Leif Østergaard

  1. 2018
  2. Published

    Noninvasive assessment of isocitrate dehydrogenase mutation status in cerebral gliomas by magnetic resonance spectroscopy in a clinical setting. / Tietze, Anna; Choi, Changho; Mickey, Bruce; Maher, Elizabeth A; Parm Ulhøi, Benedicte; Sangill, Ryan; Lassen-Ramshad, Yasmin; Lukacova, Slavka; Østergaard, Leif; von Oettingen, Gorm.

    In: Journal of Neurosurgery: Spine, 01.02.2018, p. 1-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  3. Published

    Disturbances in the control of capillary flow in an aged APP(swe)/PS1 Delta E9 model of Alzheimer's disease. / Gutierrez-Jimenez, Eugenio; Angleys, Hugo; Rasmussen, Peter M.; West, Mark J.; Catalini, Laura; Iversen, Nina K.; Jensen, Morten S.; Frische, Sebastian; Ostergaard, Leif.

    In: Neurobiology of Aging, Vol. 62, 02.2018, p. 82-94.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  4. Published

    Hippocampal Atrophy Following Subarachnoid Hemorrhage Correlates with Disruption of Astrocyte Morphology and Capillary Coverage by AQP4. / Anzabi, Maryam; Ardalan, Maryam; Iversen, Nina Kerting; H. Rafati, Ali; Hansen, Brian; Østergaard, Leif.

    In: Frontiers in cellular neuroscience, Vol. 12, No. 19, 2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  5. Published

    Impact of age on cardiovascular function, inflammation, and oxidative stress in experimental asphyxial cardiac arrest. / Secher, N; Østergaard, L; Tønnesen, E; Hansen, F B; Granfeldt, A.

    In: Acta Anaesthesiologica Scandinavica, Vol. 62, No. 1, 2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  6. Accepted/In press

    The effects of capillary transit time heterogeneity (CTH) on the BOLD signal. / Angleys, Hugo; Jespersen, Sune; Østergaard, Leif.

    In: Human Brain Mapping, 2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  7. Published

    The effects of hypercapnia on cortical capillary transit time heterogeneity (CTH) in anesthetized mice. / Gutiérrez-Jiménez, Eugenio; Angleys, Hugo; Rasmussen, Peter Mondrup; Mikkelsen, Irene Klærke; Mouridsen, Kim; Østergaard, Leif.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 38, No. 2, 271678X17692598, 2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  8. 2017
  9. Published
  10. Published
  11. Published

    Capillary dysfunction is associated with symptom severity and neurodegeneration in Alzheimer's disease. / Nielsen, Rune B; Egefjord, Lærke; Angleys, Hugo; Mouridsen, Kim; Gejl, Michael; Møller, Arne; Brock, Birgitte; Brændgaard, Hans; Gottrup, Hanne; Rungby, Jørgen; Eskildsen, Simon F; Østergaard, Leif.

    In: Alzheimer's & Dementia, Vol. 13, No. 10, 10.2017, p. 1143-1153.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  12. Published

    Capillary dysfunction in the development of diabetic peripheral neuropathy in animal models. / Dudele, Anete; Gutierrez, Eugenio; Iversen, Nina Kerting; Frische, Sebastian; Staehelin-Jensen, Troels; Østergaard, Leif.

    2017. 276-276 Abstract from 2017 PNS (Peripheral Nerve Society) Annual Meeting , Barcelona, Spain.

    Research output: Contribution to conferenceConference abstract for conference

  13. E-pub ahead of print

    Transit time homogenization in ischemic stroke - A novel biomarker of penumbral microvascular failure? / Engedal, Thorbjørn S; Hjort, Niels; Hougaard, Kristina D; Simonsen, Claus Z; Andersen, Grethe; Mikkelsen, Irene Klærke; Boldsen, Jens K; Eskildsen, Simon F; Hansen, Mikkel B; Angleys, Hugo; Jespersen, Sune N; Pedraza, Salvador; Cho, Tae-Hee; Serena, Joaquín; Siemonsen, Susanne; Thomalla, Götz; Nighoghossian, Norbert; Fiehler, Jens; Mouridsen, Kim; Østergaard, Leif.

    In: Journal of Cerebral Blood Flow and Metabolism, 31.07.2017, p. 271678X17721666.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  14. E-pub ahead of print

    White matter biomarkers from fast protocols using axially symmetric diffusion kurtosis imaging. / Hansen, Brian; Khan, Ahmad R; Shemesh, Noam; Lund, Torben E; Sangill, Ryan; Eskildsen, Simon F; Østergaard, Leif; Jespersen, Sune N.

    In: NMR in Biomedicine, 22.05.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  15. Published

    Model-based inference from microvascular measurements : Combining experimental measurements and model predictions using a Bayesian probabilistic approach. / Rasmussen, Peter M; Smith, Amy F; Sakadžić, Sava; Boas, David A; Pries, Axel R; Secomb, Timothy W; Østergaard, Leif.

    In: Microcirculation (New York, N.Y. : 1994), Vol. 24, No. 4, 05.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  16. Published
  17. Published

    Schwann cell interactions with axons and microvessels in diabetic neuropathy. / Gonçalves, Nádia P; Vægter, Christian B; Andersen, Henning; Østergaard, Leif; Calcutt, Nigel A; Jensen, Troels S.

    In: Nature Reviews. Neurology, Vol. 13, 30.03.2017, p. 135-147.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  18. Published
  19. E-pub ahead of print

    Acute reperfusion without recanalization : Serial assessment of collaterals within 6 h of using perfusion-weighted magnetic resonance imaging. / Makris, Nikolaos; Chamard, Leila; Mikkelsen, Irene K; Hermier, Marc; Derex, Laurent; Pedraza, Salvador; Thomalla, Götz; Østergaard, Leif; Baron, Jean-Claude; Nighoghossian, Norbert; Berthezène, Yves; Cho, Tae-Hee.

    In: Journal of Cerebral Blood Flow and Metabolism, 01.01.2017, p. 271678X17744716.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  20. Published

    Cortical spreading depolarizations in the postresuscitation period in a cardiac arrest male rat model. / Hansen, Frederik Boe; Secher, Niels; Jensen, Morten Skovgaard; Østergaard, Leif; Tønnesen, Else Kirstine; Granfeldt, Asger.

    In: Journal of Neuroscience Research, Vol. 95, No. 10, 2017, p. 2040-2050.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  21. Published

    Increased cortical capillary transit time heterogeneity in Alzheimer’s disease: a DSC-MRI perfusion study. / Eskildsen, Simon F.; Gyldensted, Louise; Nagenthiraja, Kartheeban; Nielsen, Rune B.; Hansen, Mikkel Bo; Dalby, Rikke B.; Frandsen, Jesper; Rodell, Anders; Gyldensted, Carsten; Jespersen, Sune Nørhøj; Lund, Torben E.; Mouridsen, Kim; Brændgaard, Hans; Østergaard, Leif.

    In: Neurobiology of Aging, Vol. 50, 2017, p. 107-118.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  22. Published

    The effect of congenital heart disease on cerebral function and comorbidity in adulthood. / Arlander, Benjamin Asschenfeldt; Heiberg, Johan; Østergaard, Leif; Ringgaard, Steffen; Hjortdal, Vibeke E.

    2017. Poster session presented at 27th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferencePoster

  23. Published

    White Matter Biomarkers from Fast Protocols Using Axially Symmetric Diffusion Kurtosis Imaging. / Hansen, Brian; Khan, Ahmad Raza; Shemesh, Noam; Lund, Torben Ellegaard; Sangill, Ryan; Østergaard, Leif; Jespersen, Sune Nørhøj.

    Proceedings of ISMRM 25th Annual Meeting. 2017. p. 1742.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedings

  24. 2016
  25. Published

    Effect of electrical forepaw stimulation on capillary transit-time heterogeneity (CTH). / Gutiérrez-Jiménez, Eugenio; Cai, Changsi; Mikkelsen, Irene Klærke; Rasmussen, Peter Mondrup; Angleys, Hugo; Merrild, Mads; Mouridsen, Kim; Jespersen, Sune Nørhøj; Lee, Jonghwan; Iversen, Nina Kerting; Sakadzic, Sava; Østergaard, Leif.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 36, No. 12, 01.12.2016, p. 2072-2086.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  26. E-pub ahead of print

    Reliable estimation of microvascular flow patterns in patients with disrupted blood–brain barrier using dynamic susceptibility contrast MRI. / Hansen, Mikkel Bo; Tietze, Anna; kalpathy-Cramer, jayashree; Gerstner, Elizabeth; Batchelor, Tracy T.; Østergaard, Leif; Mouridsen, Kim.

    In: Journal of Magnetic Resonance Imaging, 30.11.2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  27. Accepted/In press

    Non-invasive assessment of Isocitrate dehydrogenase (IDH) mutational status in cerebral gliomas by Magnetic Resonance Spectroscopy in a clinical setting. / Tietze, Anna; Choi, Changho; Mickey, Bruce; Maher, Elizabeth; Ulhøi, Benedicte Parm; Sangill, Ryan; Lassen, Yasmin Alexandra; Lukácová, Slávka; Østergaard, Leif; Oettingen, Gorm von.

    In: Journal of Neurosurgery, 13.10.2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  28. Published

    White matter biomarkers from fast protocols using axially symmetric diffusion kurtosis imaging. / Hansen, Brian; Khan, Ahmad R.; Shemesh, Noam; Lund, Torben E.; Sangill, Ryan; Østergaard, Leif; Jespersen, Sune N.

    In: arXiv preprint, 10.10.2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  29. Published

    The effects of capillary transit time heterogeneity (CTH) on the cerebral uptake of glucose and glucose analogs: Application to FDG and comparison to oxygen uptake. / Angleys, Hugo; Jespersen, Sune; Østergaard, Leif.

    In: Frontiers in Computational Neuroscience, Vol. 10, 103, 15.09.2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  30. Published

    Capillary dysfunction in Alzheimer’s disease correlates with cognitive decline. / Eskildsen, Simon Fristed; Gyldensted, Louise; Nagenthiraja, Kartheeban; Hansen, Mikkel Bo; Dalby, Rikke Beese; Frandsen, Jesper; Rodell, Anders; Gyldensted, Carsten; Jespersen, Sune Nørhøj; Mouridsen, Kim; Brændgaard, Hans; Østergaard, Leif.

    2016. Abstract from 10th FENS FORUM of Neuroscience 2016, København, Denmark.

    Research output: Contribution to conferenceConference abstract for conference

  31. Published

    Perfusion and pH MRI in familial hemiplegic migraine with prolonged aura. / Blicher, Jakob Udby; Tietze, Anna; Donahue, Manus J; Smith, Seth A; Østergaard, Leif.

    In: Cephalalgia, Vol. 36, No. 3, 01.03.2016, p. 279-83.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  32. Published

    Does b1000-b0 Mismatch Challenge Diffusion-Weighted Imaging-Fluid Attenuated Inversion Recovery Mismatch in Stroke? / Geraldo, Ana Filipa; Berner, Lise-Prune; Haesebaert, Julie; Chabrol, Aurélie; Cho, Tae-Hee; Derex, Laurent; Hermier, Marc; Louis-Tisserand, Guy; Chamard, Leila; Klaerke Mikkelsen, Irene; Ribe, Lars; Østergaard, Leif; Hjort, Niels; Pedraza, Salvador; Thomalla, Götz; Baron, Jean-Claude; Nighoghossian, Norbert; Berthèzene, Yves.

    In: Stroke; a journal of cerebral circulation, 03.2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  33. Published

    MRI Assessment of Ischemic Lesion Evolution within White and Gray Matter. / Berner, Lise-Prune; Cho, Tae-Hee; Haesebaert, Julie; Bouvier, Julien; Wiart, Marlène; Hjort, Niels; Klærke Mikkelsen, Irene; Derex, Laurent; Thomalla, Götz; Pedraza, Salvador; Østergaard, Leif; Baron, Jean-Claude; Nighoghossian, Norbert; Berthezène, Yves.

    In: Cerebrovascular Diseases, Vol. 41, No. 5-6, 12.02.2016, p. 291-297.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  34. E-pub ahead of print

    Assessment of tumor oxygenation and its impact on treatment response in bevacizumab-treated recurrent glioblastoma. / Bonekamp, David; Mouridsen, Kim; Radbruch, Alexander; Kurz, Felix T; Eidel, Oliver; Wick, Antje; Schlemmer, Heinz-Peter; Wick, Wolfgang; Bendszus, Martin; Østergaard, Leif; Kickingereder, Philipp.

    In: Journal of Cerebral Blood Flow and Metabolism, 09.02.2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  35. Published

    Cerebral small vessel disease: Capillary pathways to stroke and cognitive decline. / Østergaard, Leif; Engedal, Thorbjørn Søndergaard; Moreton, Fiona ; Hansen, Mikkel Bo; Wardlaw, Joanna M.; Dalkara, Turgay; Markus, Hugh S; Muir, Keith W.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 36, No. 2, 01.02.2016, p. 302-25.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  36. Published

    Automated Estimation of Salvageable Tissue : Comparison with Expert Readers. / Hansen, Mikkel Bo; Nagenthiraja, Kartheeban; Ribe, Lars Riisgaard; Hougaard, Kristina Dupont; Østergaard, Leif; Mouridsen, Kim.

    In: Journal of Magnetic Resonance Imaging, Vol. 43, No. 1, 01.2016, p. 220-228.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  37. Published

    Capillary Transit Time Heterogeneity Is Associated with Modified Rankin Scale Score at Discharge in Patients with Bilateral High Grade Internal Carotid Artery Stenosis. / Mundiyanapurath, Sibu; Ringleb, Peter Arthur; Diatschuk, Sascha; Hansen, Mikkel Bo; Mouridsen, Kim; Østergaard, Leif; Wick, Wolfgang; Bendszus, Martin; Radbruch, Alexander.

    In: PloS one, Vol. 11, No. 6, 2016, p. e0158148.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  38. Published

    Comparing anesthesia with isoflurane and fentanyl/fluanisone/midazolam in a rat model of cardiac arrest. / Secher, Niels; Malte, Christian Lind; Tønnesen, Else; Østergaard, Leif; Granfeldt, Asger.

    In: Journal of Applied Physiology, 2016, p. jap.00998.2015.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  39. Published

    Disruption of microvascular flow-patterns in Alzheimer's disease correlates with neurodegeneration and cognitive decline. / Nielsen, Rune Bæksager; Egefjord, Lærke; Eskildsen, Simon Fristed; Møller, Arne; Brændgaard, Hans; Jensen, Michael Gejl; Brock, Birgitte; Rungby, Jørgen; Østergaard, Leif.

    2016. Abstract from 10th FENS Forum of Neuroscience 2016, .

    Research output: Contribution to conferenceConference abstract for conference

  40. Published

    Reduced cerebral cortical thickness in Non-cirrhotic patients with hepatitis C. / Hjerrild, Simon; Renvillard, Signe Groth; Leutscher, Peter; Sørensen, Leif Hougaard; Østergaard, Leif; Eskildsen, Simon Fristed; Videbech, Poul.

    In: Metabolic Brain Disease, Vol. 31, No. 2, 2016, p. 311-319.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  41. Published

    Sequential MR Assessment of the Susceptibility Vessel Sign and Arterial Occlusion in Acute Stroke. / Ritzenthaler, Thomas; Lacalm, Audrey; Cho, Tae-Hee; Maucort-Boulch, Delphine; Klaerke Mikkelsen, Irene; Ribe, Lars; Østergaard, Leif; Hjort, Niels; Fiehler, Jens; Pedraza, Salvador; Louis Tisserand, Guy; Baron, Jean-Claude; Berthezene, Yves; Nighoghossian, Norbert.

    In: Journal of Neuroimaging, Vol. 26, No. 3, 2016, p. 355-359.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  42. 2015
  43. Published

    Early Blood Brain Barrier Changes in Acute Ischemic Stroke : A Sequential MRI Study. / Giraud, Marc; Cho, Tae-Hee; Nighoghossian, Norbert; Maucort-Boulch, Delphine; Deiana, Gianluca; Østergaard, Leif; Baron, Jean-Claude; Fiehler, Jens; Pedraza, Salvador; Derex, Laurent; Berthezène, Yves.

    In: Journal of Neuroimaging, Vol. 25, No. 6, 02.12.2015, p. 959-63.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  44. Published

    Cortical Spreading Depolarizations after Cardiac Arrest in an Asphyxial Rat Model. / Hansen, Frederik Boe; Secher, Niels; Jensen, Morten Skovgaard; Østergaard, Leif; Tønnesen, Else Kirstine; Granfeldt, Asger.

    2015. Poster session presented at American Heart Association Scientific Sessions, Orlando, United States.

    Research output: Contribution to conferencePoster

  45. Published

    Evaluation of Early Reperfusion Criteria in Acute Ischemic Stroke. / Ozenne, Brice; Cho, Tae-Hee; Mikkelsen, Irene Klaerke; Hermier, Marc; Ribe, Lars; Thomalla, Götz; Pedraza, Salvador; Baron, Jean-Claude; Roy, Pascal; Berthezène, Yves; Nighoghossian, Norbert; Østergaard, Leif; Maucort-Boulch, Delphine.

    In: Journal of Neuroimaging, Vol. 25, No. 6, 01.11.2015, p. 951-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  46. Published

    Microcirculatory dysfunction and tissue oxygenation in critical illness. / Østergaard, Leif; Granfeldt, A; Secher, N; Tietze, A; Iversen, N K; Jensen, Morten Skovgaard; Andersen, Kristian Kjær; Nagenthiraja, K; Gutiérrez-Lizardi, P; Mouridsen, K; Jespersen, S N; Tønnesen, E K.

    In: Acta Anaesthesiologica Scandinavica, Vol. 59, No. 10, 01.11.2015, p. 1246-59.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  47. Published

    The Impact of Age on Coronary Perfusion, Cardiac Function and Inflammation in a Rat Model of Ashpyxial Cardiac Arrest. / Secher, Niels; Østergaard, Leif; Tønnesen, Else Kirstine; Granfeldt, Asger.

    2015. Poster session presented at American Heart Association Scientific Sessions 2015, Orlando, Florida, Denmark.

    Research output: Contribution to conferencePoster

  48. Published

    Hjernen. / Østergaard, Leif.

    Aarhus : Aarhus Universitetsforlag, 2015. 59 p.

    Research output: Book/anthology/dissertation/reportBook

  49. Published
  50. Published

    Preserved cerebral microcirculation after cardiac arrest in a rat model. / Secher, Niels; Østergaard, Leif; Iversen, Nina K; Lambertsen, Kate L; Clausen, Bettina H; Tønnesen, Else; Granfeldt, Asger.

    In: Microcirculation (New York, N.Y. : 1994), Vol. 66, No. 6, 01.08.2015, p. 464-74.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  51. Published

    Mean Diffusional Kurtosis in Patients with Glioma : Initial Results with a Fast Imaging Method in a Clinical Setting. / Tietze, A.; Hansen, Mikkel Bo; Østergaard, Leif; Jespersen, S. N.; Sangill, R.; Lund, T. E.; Geneser, M.; Hjelm, Mette; Hansen, Brian.

    In: American Journal of Neuroradiology, Vol. 36, No. 8, 08.2015, p. 1472-1478.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  52. Published

    Biased visualization of hypoperfused tissue by computed tomography due to short imaging duration : improved classification by image down-sampling and vascular models. / Mikkelsen, Irene Klærke; Jones, P Simon; Ribe, Lars Riisgaard; Alawneh, Josef; Puig, Josep; Bekke, Susanne Lise; Tietze, Anna; Gillard, Jonathan H; Warburton, Elisabeth A; Pedraza, Salva; Baron, Jean-Claude; Østergaard, Leif; Mouridsen, Kim.

    In: European Radiology, Vol. 25, No. 7, 01.07.2015, p. 2080-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  53. Published

    Spatially regularized mixture model for lesion segmentation with application to stroke patients. / Ozenne, Brice; Subtil, Fabien; Østergaard, Leif; Maucort-Boulch, Delphine.

    In: Biostatistics, Vol. 16, No. 3, 01.07.2015, p. 580-95.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  54. Published

    Cortical capillary dysfunction in patients suspected of Alzheimer’s disease. / Eskildsen, Simon Fristed; Gyldensted, Louise; Nagenthiraja, Kartheeban; Hansen, Mikkel Bo; Dalby, Rikke Beese; Frandsen, Jesper; Rodell, Anders; Gyldensted, Carsten; Jespersen, Sune Nørhøj; Mouridsen, Kim; Brændgaard, Hans; Østergaard, Leif.

    2015. Abstract from The Alzheimer's Association International Conference 2015, Washington D.C., United States.

    Research output: Contribution to conferenceConference abstract for conference

  55. Published

    Capillary dysfunction: Its detection and causative role in dementias and stroke. / Østergaard, Leif; Jespersen, Sune Nørhøj; Engedal, Thorbjørn Søndergaard; Jiménez, Eugenio Gutiérrez; Ashkanian, Mahmoud; Hansen, Mikkel Bo; Eskildsen, Simon; Mouridsen, Kim.

    In: Current Neurology and Neuroscience Reports, Vol. 15, No. 6, 06.2015, p. 37.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  56. Published

    Reperfusion Within 6 Hours Outperforms Recanalization in Predicting Penumbra Salvage, Lesion Growth, Final Infarct, and Clinical Outcome. / Cho, Tae-Hee; Nighoghossian, Norbert; Mikkelsen, Irene Klærke; Derex, Laurent; Hermier, Marc; Pedraza, Salvador; Fiehler, Jens; Østergaard, Leif; Berthezène, Yves; Baron, Jean-Claude.

    In: Stroke; a journal of cerebral circulation, Vol. 46, No. 6, 06.2015, p. 1582-1589.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  57. Published

    Neurovascular coupling during cortical spreading depolarization and -depression. / Østergaard, Leif; Dreier, Jens Peter; Hadjikhani, Nouchine; Jespersen, Sune Nørhøj; Dirnagl, Ulrich; Dalkara, Turgay.

    In: Stroke; a journal of cerebral circulation, Vol. 46, No. 5, 05.2015, p. 1392-401.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  58. Published

    The effects of capillary transit time heterogeneity (CTH) on brain oxygenation. / Angleys, Hugo; Østergaard, Leif; Jespersen, Sune N.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 35, No. 5, 05.2015, p. 806-17.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  59. Published

    Validity of shape as a predictive biomarker of final infarct volume in acute ischemic stroke. / Frindel, Carole; Rouanet, Anaïs; Giacalone, Mathilde; Cho, Tae-Hee; Østergaard, Leif; Fiehler, Jens; Pedraza, Salvador; Baron, Jean-Claude; Wiart, Marlène; Berthezène, Yves; Nighoghossian, Norbert; Rousseau, David.

    In: Stroke; a journal of cerebral circulation, Vol. 46, No. 4, 04.2015, p. 976-81.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  60. Published

    GABA Levels Are Decreased After Stroke and GABA Changes During Rehabilitation Correlate With Motor Improvement. / Blicher, Jakob; Near, Jamie; Næss-Schmidt, Erhard; Stagg, Charlotte J; Johansen-Berg, Heidi; Nielsen, Jørgen Feldbæk; Østergaard, Leif; Ho, Yi Ching Lynn.

    In: Neurorehabilitation and Neural Repair, Vol. 29, No. 3, 2015, p. 278-86.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  61. Published

    Making sense: Dopamine activates conscious self-monitoring through medial prefrontal cortex. / Joensson, Morten; Rømer Thomsen, Kristine; Andersen, Lau M.; Gross, Joachim; Mouridsen, Kim; Sandberg, Kristian; Østergaard, Leif; Lou, Hans Olav Christensen.

    In: Human Brain Mapping, Vol. 36, No. 5, 2015, p. 1866-77.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  62. Published

    Perfusion MRI derived indices of microvascular shunting and flow control correlate with tumor grade and outcome in patients with cerebral glioma. / Tietze, Anna; Mouridsen, Kim; Lassen-Ramshad, Yasmin; Østergaard, Leif.

    In: P L o S One, Vol. 10, No. 4, 2015.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  63. Published

    The effects of capillary dysfunction on oxygen and glucose extraction in diabetic neuropathy. / Østergaard, Leif; Finnerup, Nanna B.; Terkelsen, Astrid J.; Olesen, Rasmus A.; Drasbek, Kim R.; Knudsen, Lone; Jespersen, Sune N.; Frystyk, Jan; Charles, Morten; Thomsen, Reimar W.; Christiansen, Jens S.; Beck-Nielsen, Henning; Jensen, Troels S.; Andersen, Henning.

    In: Diabetologia, Vol. 58, No. 4, 2015, p. 666-677.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  64. Published

    The effects of transit time heterogeneity on brain oxygenation during rest and functional activation. / Rasmussen, Peter Mondrup; Jespersen, Sune N; Ostergaard, Leif.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 35, No. 3, 2015, p. 432-42.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  65. 2014
  66. Published

    A multicenter, randomized, double-blind, placebo-controlled trial to test efficacy and safety of magnetic resonance imaging-based thrombolysis in wake-up stroke (WAKE-UP). / Thomalla, Götz; Fiebach, Jochen B; Østergaard, Leif; Pedraza, Salvador; Thijs, Vincent; Nighoghossian, Norbert; Roy, Pascal; Muir, Keith W; Ebinger, Martin; Cheng, Bastian; Galinovic, Ivana; Cho, Tae-Hee; Puig, Josep; Boutitie, Florent; Simonsen, Claus Z; Endres, Matthias; Fiehler, Jens; Gerloff, Christian; WAKE-UP investigators.

    In: International Journal of Stroke, Vol. 9, No. 6, 08.2014, p. 829-36.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  67. Published
  68. Published

    Perfusion Magnetic Resonance Imaging : A Comprehensive Update on Principles and Technique. / Jahng, Geon-Ho; Li, Ka-Loh; Østergaard, Leif; Calamante, Fernando.

    In: Korean Journal of Radiology, Vol. 15, No. 5, 15.07.2014, p. 554-577.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  69. Published
  70. Published

    Influence of stroke infarct location on functional outcome measured by the modified rankin scale. / Cheng, Bastian; Forkert, Nils Daniel; Zavaglia, Melissa; Hilgetag, Claus C; Golsari, Amir; Siemonsen, Susanne; Fiehler, Jens; Pedraza, Salvador; Puig, Josep; Cho, Tae-Hee; Alawneh, Josef; Baron, Jean-Claude; Østergaard, Leif; Gerloff, Christian; Thomalla, Götz.

    In: Stroke; a journal of cerebral circulation, Vol. 45, No. 6, 06.2014, p. 1695-702.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  71. Published

    The role of capillary transit time heterogeneity in myocardial oxygenation and ischemic heart disease. / Østergaard, Leif; Kristiansen, Steen Buus; Angleys, Hugo; Frøkiær, Jørgen; Michael Hasenkam, J; Jespersen, Sune Nørhøj; Bøtker, Hans Erik.

    In: Basic Research in Cardiology, Vol. 109, No. 3, 409, 18.04.2014.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  72. Published

    Assessment of ischemic penumbra in patients with hyperacute stroke using amide proton transfer (APT) chemical exchange saturation transfer (CEST) MRI. / Tietze, Anna; Blicher, Jakob; Mikkelsen, Irene Klærke; Østergaard, Leif; Strother, Megan K; Smith, Seth A; Donahue, Manus J.

    In: N M R in Biomedicine (Online), Vol. 27, No. 2, 02.2014, p. 163-174.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  73. Published

    Blood pressure reduction does not reduce perihematoma oxygenation : a CT perfusion study. / Kate, Mahesh P; Hansen, Mikkel B; Mouridsen, Kim; Østergaard, Leif; Choi, Victor; Gould, Bronwen E; McCourt, Rebecca; Hill, Michael D; Demchuk, Andrew M; Coutts, Shelagh B; Dowlatshahi, Dariush; Emery, Derek J; Buck, Brian H; Butcher, Kenneth S.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 34, No. 1, 03.01.2014, p. 81-86.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  74. Published

    Remote Ischemic Perconditioning as an Adjunct Therapy to Thrombolysis in Patients With Acute Ischemic Stroke : A Randomized Trial. / Hougaard, Kristina Dupont; Hjort, Niels; Zeidler, Dora; Sørensen, Leif; Nørgaard, Anne; Hansen, Troels Martin; Weitzel, Paul von; Simonsen, Claus Z; Damgaard, Dorte Winther; Gottrup, Hanne; Svendsen, Kristina; Rasmussen, Peter Vestergaard; Ribe, Lars R; Mikkelsen, Irene K; Nagenthiraja, Kartheeban; Cho, Tae-Hee; Redington, Andrew N; Bøtker, Hans Erik; Østergaard, Leif; Mouridsen, Kim; Andersen, Grethe.

    In: Stroke; a journal of cerebral circulation, Vol. 45, No. 1, 03.01.2014, p. 159-67.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  75. Published

    Biomarkers in the brain after mTBI: A multimodal MRI study. / Næss-Schmidt, Erhard; Blicher, Jakob; Tietze, Anna; Eskildsen, Simon Fristed; Hansen, Brian; Lund, Torben Ellegaard; Østergaard, Leif; Nielsen, Jørgen Feldbæk.

    2014. Poster session presented at 8th World Congress for NeuroRehabilitation, Istanbul, Turkey.

    Research output: Contribution to conferencePoster

  76. Published

    Capillary transit time heterogeneity in the cerebrum correlate with cognitive decline in AD. / Eskildsen, Simon Fristed; Gyldensted, Louise; Nagenthiraja, Kartheeban; Hansen, Mikkel; Dalby, Rikke; Frandsen, Jesper; Rodell, Anders; Gyldensted, Carsten; Jespersen, Sune Nørhøj; Mouridsen, Kim; Brændgaard, Hans; Østergaard, Leif.

    2014.

    Research output: Contribution to conferenceConference abstract for conference

  77. Published

    Neuroplasticity in Constraint-Induced Movement Therapy. / Blicher, Jakob; Near, Jamie; Næss-Schmidt, Erhard; Østergaard, Leif; Johansen-Berg, Heidi; Stagg, Charlotte; Nielsen, Jørgen Feldbæk; Ho, Yi Ching Lynn.

    Replace, Repair, Restore, Relieve: Bridging Clinical and Engineering Solutions in Neurorehabilitation. ed. / Winnie Jensen; Ole Kæseler Andersen; Metin Akay. Vol. 7 Springer, 2014. p. 23-24.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  78. Published

    Preserved Cerebral Microcirculation After Cardiac Arrest in an Asphyxial Rat Model. / Secher, Niels; Hansen, Frederik Boe; Tønnesen, Else Kirstine; Østergaard, Leif; Granfeldt, Asger.

    2014. Abstract from Scientific Sessions and Resuscitation Science Symposium of the American-Heart-Association Location, Chicago, United States.

    Research output: Contribution to conferenceConference abstract for conference

  79. Published

    Preserved Cerebral Microcirculation after Cardiac Arrest in an Asphyxial Rat Model. / Secher, Niels; Hansen, Frederik Boe; Tønnesen, Else Kirstine; Østergaard, Leif; Granfeldt, Asger.

    2014. Poster session presented at American Heart Association 2014, Chicago, United States.

    Research output: Contribution to conferencePoster

  80. Published

    Reliable estimation of capillary transit time distributions using DSC-MRI. / Mouridsen, Kim; Hansen, Mikkel Bo; Østergaard, Leif; Jespersen, Sune Nørhøj.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 34, No. 9, 2014, p. 1511-21.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  81. 2013
  82. Published
  83. Published

    Application of Chemical Exchange Saturation Transfer (CEST) MRI in Acute Stroke to Visualize Tissue Acidosis and Infarction Risk. / Blicher, Jakob; Tietze, Anna; Mikkelsen, Irene Klærke; Østergaard, Leif; Strother, Megan; Smith, Seth; Donahue, Manus.

    2013. Abstract from World Congress of Neurology, Vienna, Austria.

    Research output: Contribution to conferenceConference abstract for conference

  84. Published

    Intracortical GABA is decreased after stroke and further suppressed with successful rehabilitation. / Blicher, Jakob; Near, Jamie; Næss-Schmidt, Erhard; Østergaard, Leif; Johansen-Berg, Heidi; Ho, Yi-Ching Lynn.

    2013. Abstract from World Congress of Neurology, Vienna, Austria.

    Research output: Contribution to conferenceConference abstract for conference

  85. Published

    Ultra-high field (1)H magnetic resonance imaging approaches for acute hypoxia. / Nielsen, Thomas; Nielsen, Niels Christian; Holm, Thomas Hellesøe; Ostergaard, Leif; Horsman, Michael R; Busk, Morten.

    In: Acta oncologica (Stockholm, Sweden), Vol. 52, No. 7, 30.08.2013, p. 1287-1292.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  86. Published

    Very Low Cerebral Blood Volume Predicts Parenchymal Hematoma in Acute Ischemic Stroke. / Hermitte, Laure; Cho, Tae-Hee; Ozenne, Brice; Nighoghossian, Norbert; Mikkelsen, Irene Klærke; Ribe, Lars; Baron, Jean-Claude; Østergaard, Leif; Derex, Laurent; Hjort, Niels; Fiehler, Jens; Pedraza, Salvador; Hermier, Marc; Maucort-Boulch, Delphine; Berthezène, Yves.

    In: Stroke; a journal of cerebral circulation, Vol. 44, No. 8, 08.2013, p. 2318-2320.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  87. Published

    Acute Stroke Imaging Research Roadmap II. / Wintermark, Max; Albers, Gregory W; Broderick, Joseph P; Demchuk, Andrew M; Fiebach, Jochen B; Fiehler, Jens; Grotta, James C; Houser, Gary; Jovin, Tudor G; Lees, Kennedy R; Lev, Michael H; Liebeskind, David S; Luby, Marie; Muir, Keith W; Parsons, Mark W; von Kummer, Rüdiger; Wardlaw, Joanna M; Wu, Ona; Yoo, Albert J; Alexandrov, Andrei V; Alger, Jeffry R; Aviv, Richard I; Bammer, Roland; Baron, Jean-Claude; Calamante, Fernando; Campbell, Bruce C V; Carpenter, Trevor C; Christensen, Søren; Copen, William A; Derdeyn, Colin P; Haley, E Clarke; Khatri, Pooja; Kudo, Kohsuke; Lansberg, Maarten G; Latour, Lawrence L; Lee, Ting-Yim; Leigh, Richard; Lin, Weili; Lyden, Patrick; Mair, Grant; Menon, Bijoy K; Michel, Patrik; Mikulik, Robert; Nogueira, Raul G; Østergaard, Leif; Pedraza, Salvador; Riedel, Christian H; Rowley, Howard A; Sanelli, Pina C; Sasaki, Makoto; For the Stroke Imaging Research (STIR) and Virtual International Stroke Trials Archive (VISTA)-Imaging Investigators.

    In: Stroke; a journal of cerebral circulation, Vol. 44, No. 9, 16.07.2013, p. 2628-39.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  88. Published

    Capillary Dysfunction in Alzheimer's Disease. / Østergaard, Leif; Nagenthiraja, Kartheeban; Gyldensted, Louise; Rodell, Anders; Gyldensted, Carsten; Jespersen, Sune Nørhøj; Mouridsen, Kim; Brændgaard, Hans; West, Mark J.

    2013. Poster session presented at Alzheimer's Association International Conference, Boston, United States.

    Research output: Contribution to conferencePoster

  89. Published

    Increased cerebral oxygen extraction capacity in patients with Alzheimer’s disease. / Eskildsen, Simon Fristed; Gyldensted, Louise; Nagenthiraja, Kartheeban; Frandsen, Jesper; Rodell, Anders; Gyldensted, Carsten; Jespersen, Sune Nørhøj; Mouridsen, Kim; Brændgaard, Hans; Østergaard, Leif.

    2013. Abstract from Alzheimer's Association International Conference, Boston, United States.

    Research output: Contribution to conferenceConference abstract for conference

  90. Published

    The relationship between tumor blood flow, angiogenesis, tumor hypoxia, and aerobic glycolysis. / Østergaard, Leif; Tietze, Anna; Nielsen, Thomas; Drasbek, Kim R; Mouridsen, Kim; Jespersen, Sune N; Horsman, Michael R.

    In: Cancer Research, Vol. 73, No. 18, 13.06.2013, p. 5618-5624.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  91. Published

    Acute Stroke : Automatic Perfusion Lesion Outlining Using Level Sets. / Mouridsen, Kim; Nagenthiraja, Kartheeban; Jónsdóttir, Kristjana Yr; Ribe, Lars R; Neumann, Anders B; Hjort, Niels; Østergaard, Leif.

    In: Radiology, Vol. 269, No. 2, 17.05.2013, p. 404-12.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  92. Published

    Application of Chemical Exchange Saturation Transfer (CEST) MRI in Acute Human Stroke Patients Demonstrates New Potential for Visualization of Tissue Acidosis and Infarction Risk. / Donahue, Manus; Tietze, Anna; Mikkelsen, Irene Klærke; Østergaard, Leif; Strother, Megan; Smith, Seth; Blicher, Jakob.

    2013. Abstract from ISMRM 2013, Salt Lake City, United States.

    Research output: Contribution to conferenceConference abstract for conference

  93. Published

    Accuracy and reliability assessment of CT and MR perfusion analysis software using a digital phantom. / Kudo, Kohsuke; Christensen, Søren; Sasaki, Makoto; Østergaard, Leif; Shirato, Hiroki; Ogasawara, Kuniaki; Wintermark, Max; Warach, Steven; Stroke Imaging Repository (STIR) Investigators.

    In: Radiology, Vol. 267, No. 1, 04.2013, p. 201-11.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  94. Published

    The role of the cerebral capillaries in acute ischemic stroke: the extended penumbra model. / Østergaard, Leif; Jespersen, Sune Nørhøj; Mouridsen, Kim; Mikkelsen, Irene Klærke; Jónsdóttir, Kristjana Ýr; Tietze, Anna; Blicher, Jakob; Aamand, Rasmus; Hjort, Niels; Iversen, Nina Kerting; Cai, Changsi; Hougaard, Kristina Dupont; Simonsen, Claus Ziegler; Weitzel-Mudersbach, Paul von; Modrau, Boris; Nagenthiraja, Kartheeban; Ribe, Lars Riisgaard; Hansen, Mikkel Bo; Bekke, Susanne Lise; Dahlmann, Martin Gervais; Puig, Josep; Pedraza, Salvador; Serena, Joaquín; Cho, Tae-Hee; Siemonsen, Susanne; Thomalla, Götz; Fiehler, Jens; Nighoghossian, Norbert; Andersen, Grethe.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 33, No. 5, 27.02.2013, p. 635.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  95. Published

    The capillary dysfunction hypothesis of Alzheimer's disease. / Østergaard, Leif; Aamand, Rasmus; Gutiérrez Jiménez, Eugenio ; Ho, Yi Ching Lynn; Blicher, Jakob; Madsen, Søren Møller; Nagenthiraja, Kartheeban; Dalby, Rikke Beese; Drasbek, Kim Ryun; Møller, Arne; Brændgaard, Hans; Mouridsen, Kim; Jespersen, Sune Nørhøj; Jensen, Morten Skovgaard; West, Mark J.

    In: Neurobiology of Aging, Vol. 34, No. 4, 12.01.2013, p. 1018-31.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  96. Published

    Automated decision-support system for prediction of treatment responders in acute ischemic stroke. / Nagenthiraja, Kartheeban; Walcott, B. P. ; Hansen, Mikkel Bo; Østergaard, Leif; Mouridsen, Kim.

    In: Frontiers in Neurology, Vol. 4, 140, 2013.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  97. Published

    Dose optimization for using the contrast agent gadofosveset in magnetic resonance imaging (MRI) of domestic pig brain. / Poulsen, Erik Søndergaard; Alstrup, Aage Kristian Olsen; Zeidler, Dora; Hjort, Niels; Østergaard, Leif.

    In: Scandinavian Journal of Laboratory Animal Science, Vol. 4, 2013, p. 1-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  98. Published
  99. Published

    Remote ischemic perconditioning in thrombolysed stroke patients : Randomized study of activating endogenous neuroprotection - design and MRI measurements. / Hougaard, K D; Hjort, N; Zeidler, D; Sørensen, L; Nørgaard, A; Thomsen, R B; Jonsdottir, K; Mouridsen, K; Hansen, T M; Cho, T-H; Nielsen, T T; Bøtker, H E; Østergaard, Leif; Andersen, Grethe.

    In: International Journal of Stroke, Vol. 8, No. 2, 2013, p. 141-6.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  100. Published

    Vigtige metoder til undersøgelse af hjernen. / Hansen, Brian; Østergaard, Leif.

    Hjernen - fra celle til samfund. ed. / Henriette Blæsild Vuust. 2013. p. 164-167.

    Research output: Contribution to book/anthology/report/proceedingBook chapter

  101. 2012
  102. Published

    Changes in regional brain volume three months after stroke. / Brodtmann, Amy; Pardoe, Heath ; Li, Qi; Lichter, Renee; Østergaard, Leif; Cumming, Toby.

    In: Journal of the neurological sciences, Vol. 322, No. 1-2, 15.11.2012, p. 122-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  103. Published

    Visualization of altered neurovascular coupling in chronic stroke patients using multimodal functional MRI. / Blicher, Jakob; Stagg, Charlotte J; O'Shea, Jacinta; Ostergaard, Leif; Macintosh, Bradley J; Johansen-Berg, Heidi; Jezzard, Peter; Donahue, Manus J.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 32, No. 11, 08.2012, p. 2044-2054.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  104. Published

    CT and MR perfusion can discriminate severe cerebral hypoperfusion from perfusion absence : evaluation of different commercial software packages by using digital phantoms. / Uwano, I; Kudo, Kohsuke; Sasaki, M; Christensen, Søren; Østergaard, Leif; Ogasawara, K; Ogawa, A.

    In: Neuroradiology, Vol. 54, No. 5, 01.05.2012, p. 467-74.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  105. Published

    Fully automated DWI-PWI mismatch quantification in acute stroke. / Nagenthiraja, Kartheeban; Ribe, Lars Riisgaard; Hougaard, Kristina Dupont; Østergaard, Leif; Mouridsen, Kim.

    2012. Abstract from International Society of Magnetic Resonance in Medicine 2012 , Melbourne, Australia.

    Research output: Contribution to conferenceConference abstract for conference

  106. Published

    Elevated T2-values in MRI of stroke patients shortly after symptom onset do not predict irreversible tissue infarction. / Siemonsen, Susanne ; Löbel, Ulricke; Sedlacik, Jan; Forkert, Nils D.; Mouridsen, Kim; Østergaard, Leif; Thomalla, Goetz; Fiehler, Jens.

    In: Brain, Vol. 135, No. 6, 15.03.2012, p. 1981-89.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  107. Published

    Accumulation of magnetic iron oxide nanoparticles coated with variably sized polyethylene glycol in murine tumors. / Larsen, Esben Kjær Unmack; Nielsen, Thomas; Wittenborn, Thomas; Rydtoft, Louise Munk; Lokanathan, Arcot R.; Hansen, Line; Østergaard, Leif; Kingshott, Peter; Howard, Kenneth A; Besenbacher, Flemming; Nielsen, Niels Christian; Kjems, Jørgen.

    In: Nanoscale, Vol. 4, No. 7, 06.03.2012, p. 2352-2361 .

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  108. Published

    A Fully Automated Penumbra Segmentation Tool. / Nagenthiraja, Kartheeban; Ribe, Lars Riisgaard; Hougaard, Kristina Dupont; Østergaard, Leif; Mouridsen, Kim.

    2012.

    Research output: Contribution to conferenceConference abstract for conference

  109. Published

    The roles of cerebral blood flow, capillary transit time heterogeneity, and oxygen tension in brain oxygenation and metabolism. / Jespersen, Sune Nørhøj; Østergaard, Leif.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 32, No. 2, 01.02.2012, p. 264-277.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  110. Published

    Assessing Response to Stroke Thrombolysis : Validation of 24-Hour Multimodal Magnetic Resonance Imaging. / Campbell, Bruce C. V.; Tu, Hans T. H. ; Christensen, Søren ; Desmond, Patricia M.; Levi, Christopher R.; Blandin, Christopher F.; Hjort, Niels; Ashkanian, Mahmoud; Sølling, Christine; Donnan, Geoffrey A.; Davis, Stephen M. ; Østergaard, Leif; Parsons, Mark W.

    In: Archives of Neurology, Vol. 69, No. 1, 01.01.2012, p. 46-50.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  111. Published

    BOLD, CBF, and CBV fMRI measurements in chronic stroke patients reveal details of altered neurovascular coupling. / Donahue, Manus; Stagg, Charlotte; O'Shea, Jacinta; Jezzard, Peter; Østergaard, Leif; MacIntosh, Bradley; Johansen-Berg, Heidi; Blicher, Jakob.

    2012. Abstract from ISMRM 2012, Melbourne, Australia.

    Research output: Contribution to conferenceConference abstract for conference

  112. Published

    Combretastatin A-4 phosphate affects tumor vessel volume and size distribution as assessed using MRI-based vessel size imaging. / Nielsen, Thomas; Bentzen, Lise; Pedersen, Michael Nygaard; Tramm, Trine; Rijken, Paul F J W; Bussink, Johan; Horsman, Michael R; Østergaard, Leif.

    In: Clinical Cancer Research, Vol. 18, No. 23, 2012, p. 6469-77.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  113. Published

    Correlations between Stroop task performance and white matter lesion measures in late-onset major depression. / Dalby, Rikke Beese; Frandsen, Jesper; Mallar, Chakravarty; Ahdidan, Jamila; Sørensen, Leif; Rosenberg, Raben; Østergaard, Leif; Videbech, Poul.

    In: Psychiatry Research, Vol. 202, No. 2, 2012, p. 142-149.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  114. Published

    Dynamic susceptibility Contrast MRI: Compromising Perfusion Accuracy for a Better Discrimination of Hypoperfused Tissue. / Kjølby, Birgitte Fuglsang; Christensen, Søren; Mikkelsen, Irene Klærke; Mouridsen, Kim; Gall, Peter; Kiselev, Valerij; Østergaard, Leif.

    2012.

    Research output: Contribution to conferenceConference abstract for conference

  115. Published

    Dynamic susceptibility Contrast MRI: Improved Discrimination of Hypoperfused Tissue. / Kjølby, Birgitte Fuglsang; Christensen, Søren; Mikkelsen, Irene Klærke; Mouridsen, Kim; Gall, Peter; Kiselev, Valerij; Østergaard, Leif.

    2012.

    Research output: Contribution to conferenceConference abstract for conference

  116. Published

    Imaging of white matter infiltration end heterogeneous histopathology in cerebral gliomas – Do [11C]-methionine Positron Emission Tomography and Perfusion-weighted Magnetic Resonance Tomography yield similar results? / Tietze, Anna; Borghammer, Per; Mouridsen, Kim; Dyve, Suzan; Østergaard, Leif.

    2012. Poster session presented at European Society of Neuroradiology Annual Meeting 2012, Edinburgh, United Kingdom.

    Research output: Contribution to conferencePoster

  117. Published

    Post-stroke fMRI, a comparison of BOLD, cerebral blood flow, and cerebral blood volume responses. / Blicher, Jakob; Stagg, Charlotte; O'Shea, Jacinta; Østergaard, Leif; MacIntosh, Bradley; Johansen-Berg, Heidi; Jezzard, Peter; Donahue, Manus.

    2012. Abstract from Dansk Neurologisk Selskab, Vejle, Denmark.

    Research output: Contribution to conferenceConference abstract for conference

  118. Published

    Presymptomatic cerebral blood flow changes in CHMP2B mutation carriers of familial frontotemporal dementia (FTD-3), measured with MRI. / Lunau, Line Andersen; Mouridsen, Kim; Rodell, Anders; Østergaard, Leif; Nielsen, Jørgen Erik; Isaacs, Adrian; Johannsen, Peter; The FReJA Consortium.

    In: BMJ open, Vol. 2, e000368, 2012.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  119. Published

    Superior analgesic effect of an active distraction versus pleasant unfamiliar sounds and music : The influence of emotion and cognitive style. / Garza Villarreal, Eduardo A.; Brattico, Elvira; Vase, Lene; Østergaard, Leif; Vuust, Peter.

    In: P L o S One, Vol. 7, No. 1, 2012, p. e29397.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  120. Published

    The Göttingen minipig in translational neuroscience. / Bro, Anette; Sørensen, Jens Christian Hedemann; Nielsen, Mette Slot; Rosendahl, Frederikke; Deding, Dorthe; Ettrup, Kåre Schmidt; Jensen, Kristian Nørholm; Jørgensen, Rasmus Langelund; Glud, Andreas Nørgaard; Meidahl, Anders Christian Nørgaard; Meier, Kaare; Moberg Fitting, Lise; Møller, Arne; Alstrup, Aage Kristian Olsen; Østergaard, Leif; Bjarkam, Carsten Reidies.

    In: Ellegaard Newsletter, Vol. 38, 2012, p. 8-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperReview

  121. Submitted
  122. 2011
  123. Published

    Susceptibility of T(max) to tracer delay on perfusion analysis: quantitative evaluation of various deconvolution algorithms using digital phantoms. / Kudo, K; Sasaki, M; Østergaard, Leif; Christensen, Søren; Uwano, I; Suzuki, M; Ogasawara, K; Shirato, H; Ogawa, A.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 31, No. 3, 22.09.2011, p. 908-912.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  124. Published

    Development of neuromodulation treatments in a large animal model : Do neurosurgeons dream of electric pigs? / Sørensen, Jens Christian H.; Nielsen, Mette Slot; Rosendal, Frederikke; Deding, Dorthe; Ettrup, Kåre Schmidt Ettrup; Jensen, Kristian Nørholm; Jørgensen, Rasmus Langelund; GLUD, AN; Meier, Kaare; Moberg Fitting, Lise; Møller, Arne; Alstrup, Aage Kristian Olsen; Østergaard, Leif; Bjarkam, Carsten Reidies.

    In: Progress in Brain Research, Vol. 194, 29.08.2011, p. 97-103.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperReview

  125. Published

    Assessment of baseline hemodynamic parameters within infarct progression areas in acute stroke patients using perfusion-weighted MRI. / Ritzenthaler, T; Cho, TH; Wiart, M; Berthiller, J; Østergaard, Leif; Hermier, M; Derex, L; Berthezéne, Y; Nighoghossian, Norbert.

    In: Neuroradiology, Vol. 53, No. 8, 27.08.2011, p. 571-576.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  126. Published

    Infarction of ‘non-core–non-penumbral’ tissue after stroke: Multivariate modeling of clinical impact. / Alawneh, Josef A.; Jones, Peter Simon; Mikkelsen, Irene Klærke; Cho, Tea-Hee; Siemonsen, Susanne; Mouridsen, Kim; Ribe, Lars Riisgaard; Morris, Rhiannon S.; Hjort, Niels; Antoun, Nagui; Gillard, Jonathan H.; Fiehler, Jens; Nighoghossian, Norbert; Warburton, Elizabeth A.; Østergaard, Leif; Baron, Jean-Claude.

    In: Brain, Vol. 134, No. 6, 28.05.2011, p. 1765-1776.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  127. Published

    Predicting infarction within the diffusion-weighted imaging lesion : does the mean transit time have added value? / Carrera, Emmanuel; Jones, P. Simon; Alawneh, Josef A.; Mikkelsen, Irene Klærke; Cho, Tae-Hee; Siemonsen, Suzanne; Guadagno, Joseph V.; Mouridsen, Kim; Ribe, Lars Riisgaard; Hjort, Niels; Fryer, Tim D.; Carpenter, T. Adrian; Aigbirhio, Franklin I; Fiehler, Jens; Nighoghossian, Norbert; Warburton, Elizabeth A.; Østergaard, Leif; Baron, Jean-Claude.

    In: Stroke, Vol. 42, 21.04.2011, p. 1602-7.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  128. Published

    Tapping polyrhythms in music activates language areas. / Vuust, Peter; Wallentin, Mikkel; Mouridsen, Kim; Østergaard, Leif; Roepstorff, Andreas.

    In: Neuroscience Letters, Vol. 494, No. 3, 17.03.2011, p. 211-216.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  129. Published

    Accurate and Fast Perfusion Lesion Segmentation Tool for Clinical Settings. / Nagenthiraja, Kartheeban; Ribe, Lars Riisgaard; Østergaard, Leif; Mouridsen, Kim.

    2011.

    Research output: Contribution to conferenceConference abstract for conference

  130. Published

    Automatic mean transit time lesion outlining in acute stroke using level sets. / Mouridsen, Kim; Neumann, Anders; Ribe, Lars Riisgaard; Jonsdottir, Kristjana Yr; Østergaard, Leif.

    2011.

    Research output: Contribution to conferenceConference abstract for conference

  131. Published

    Distinct neural responses to chord violations : a multiple source analysis study. / Garza Villarreal, Eduardo A; Brattico, Elvira; Leino, Sakari; Ostergaard, Leif; Vuust, Peter.

    In: Brain Research, Vol. 1389, 2011, p. 103-14.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  132. Published

    Letter to the Editor: A rejoinder to Grool et al. (2010). / Dalby, Rikke B; Rosenberg, Raben; Østergaard, Leif; Videbech, Poul.

    In: Psychological Medicine, Vol. 41, 2011, p. 446-447.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperComment/debate

  133. Published

    Post-stroke fMRI, a comparison of BOLD, cerebral blood flow, and cerebral blood volume responses. / Blicher, Jakob; Stagg, Charlotte; O'Shea, Jacinta; Østergaard, Leif; MacIntosh, Brad; Johansen-Berg, Heidi; Jezzard, Peter; Donahue, Manus.

    2011. Abstract from 1st European NeuroRehabilitation Congress, Merano, Italy.

    Research output: Contribution to conferenceConference abstract for conference

  134. Published

    Påvirkning af hjernen hos patienter med kronisk smitsom leverbetændelse vurderet ved MR-skanning. / Hjerrild, Simon; Renvillard, Signe Groth; Østergaard, Leif; Leutscher, Peter; Videbech, Poul.

    2011. Poster session presented at Psykiatriens 6. Forskningsdag, Risskov, Denmark.

    Research output: Contribution to conferencePoster

  135. Published

    Recurrent activity in higher order, modality non-specific brain regions : a Granger causality analysis of autobiographic memory retrieval. / Lou, Hans Olav Christensen; Joensson, Morten; Biermann-Ruben, Katja; Schnitzler, Alfons; Østergaard, Leif; Kjaer, Troels W; Gross, Joachim.

    In: P L o S One, Vol. 6, No. 7, e22286, 2011.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  136. Published

    Reliable estimation of capillary transit time distributions at voxel-level using DSC-MRI. / Mouridsen, Kim; Østergaard, Leif; Christensen, Søren; Jespersen, Sune Nørhøj.

    2011.

    Research output: Contribution to conferenceConference abstract for conference

  137. Published

    White Matter Lesions in Late-Onset Major Depression. / Dalby, Rikke Beese; Frandsen, Jesper; Sørensen, L; Rosenberg, Raben; Østergaard, Leif; Videbech, Poul.

    2011. Poster session presented at Dansk Psykiatrisk Selskabs Årsmøde 2011, Nyborg, Denmark.

    Research output: Contribution to conferencePoster

  138. 2010
  139. Published

    Depression severity is correlated to the integrity of white matter fiber tracts in late-onset major depression. / Dalby, Rikke Beese; Frandsen, Jesper; Mallar, Chakravarty; Ahdidan, Jamila; Sørensen, Leif; Rosenberg, Raben; Videbech, Poul; Østergaard, Leif.

    In: Psychiatry Research, Vol. 184, No. 1, 30.10.2010, p. 38-48.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  140. Published

    Localization of white-matter lesions and effect of vascular risk factors in late-onset major depression. / Dalby, R B; Chakravarty, M M; Ahdidan, J; Sørensen, Leif Hougaard; Frandsen, J; Jonsdottir, K Y; Tehrani, E; Rosenberg, R; Østergaard, L; Videbech, P.

    In: Psychological Medicine, Vol. 40, No. 8, 08.2010, p. 1389–1399.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  141. Published

    Changes in Cerebral Blood Flow in Presymptomatic Mutation Carriers of Familial Frontotemporal Dementia (FTD-3), Measured with MRI. / Lunau, Line Andersen; Mouridsen, Kim; Rodell, Anders; Nielsen, Jørgen; Isaacs, Adrian; Brown, Jerry; Zeidler, Dora; Østergaard, Leif; Eskildsen, Simon Fristed; Englund, Elisabet; Johannsen, Peter.

    2010. Abstract from International Conference on Alzheimer's Disease, Honolulu, United States.

    Research output: Contribution to conferenceConference abstract for conference

  142. Published

    The physiological significance of the time-to-maximum (Tmax) parameter in perfusion MRI. / Calamante, Fernando; Christensen, Søren; Desmond, PM; Østergaard, Leif; Davis, SM; Connelly, Alan.

    In: Stroke, Vol. 41, No. 6, 22.04.2010, p. 1169-74.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  143. Published

    Cerebral Blood Flow, Blood Volume and Mean Transit Time Responses to Propofol and Indomethacin in Peritumor and Contralateral Brain Regions: Perioperative Perfusion-weighted Magnetic Resonance Imaging in Patients with Brain Tumors. / Rasmussen, Mads; Juul, Niels; Christensen, Søren; Jonsdottir, Kristjana Yr; Gyldensted, Carsten; Vestergaard-Poulsen, Peter; Cold, Georg; Østergaard, Leif.

    In: Anesthesiology, Vol. 112, 2010, p. 50-56.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  144. Published

    Effect of hypnotic pain modulation on brain activity in patients with temporomandibular disorder pain. / Abrahamsen, Randi; Dietz, Martin; Lodahl, Sanne; Roepstorff, Andreas; Zachariae, Robert; Østergaard, Leif; Svensson, Peter.

    In: Pain, Vol. 151, No. 3, 2010, p. 825-33.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  145. Published

    Effect of hypnotic pain modulation on BOLD activity in patients with temporomandibular disorder pain. / Dietz, Martin; Abrahamsen, Randi; Roepstorff, Andreas; Zachariae, Robert; Østergaard, Leif; Svensson, Peter.

    2010. Poster session presented at 16th Annual Meeting of the Organization for Human Brain Mapping, Barcelona, Spain.

    Research output: Contribution to conferencePoster

  146. Published

    MRI prediktorer for interferon-induceret depression. / Hjerrild, Simon; Renvillard, Signe Groth; Østergaard, Leif; Leutscher, Peter; Videbech, Poul.

    2010. Poster session presented at Psykiatriens 5. Forskningsdag, Risskov, Denmark.

    Research output: Contribution to conferencePoster

  147. Published

    Neurite density from magnetic resonance diffusion measurements at ultrahigh field: comparison with light microscopy and electron microscopy. / Jespersen, Sune Nørhøj; Bjarkam, Carsten Reidies; Nyengaard, Jens Randel; Mallar, Chakravarty; Hansen, Brian; Vosegaard, Thomas; Østergaard, Leif; Yablonskiy, DA; Nielsen, Niels Christian; Vestergaard-Poulsen, Peter.

    In: NeuroImage, Vol. 49, No. 1, 2010, p. 205-16.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  148. Published

    Non-invasive imaging of combretastatin activity in two tumor models: Association with invasive estimates. / Nielsen, Thomas; Murata, Rumi; Maxwell, Ross J; Stødkilde-Jørgensen, Hans; Østergaard, Leif; Ley, Carsten D; Kristjansen, Paul E G; Horsman, Michael R.

    In: Acta Oncologica, Vol. 49, No. 7, 2010, p. 906-13.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  149. 2009
  150. Published

    Interrater agreement for final infarct MRI lesion delineation. / Neumann, Anders; Jonsdottir, Kristjana Yr; Mouridsen, Kim; Hjort, Niels; Gyldensted, Carsten; Bizzi, A; Fiehler, Jens; Gasparotti, R; Gillard, JH; Hermier, Marc; Kucinski, Thomas; Larsson, EM; Sørensen, Leif Hougaard; Østergaard, Leif.

    In: Stroke, Vol. 40, No. 12, 24.09.2009, p. 3768-71.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  151. Published

    Predicting tissue outcome in acute ischemic stroke using projection pursuit regression. / Nagenthiraja, Kartheeban; Jonsdottir, Kristjana Yr; Østergaard, Leif; Mouridsen, Kim.

    Proc. Intl. Soc. Mag. Reson. Med.. 17. ed. 2009. p. 36.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedings

  152. Published

    A fractal based model of diffusion MRI in cortical grey matter. / Hansen, Brian; Østergaard, Leif; Vestergaard-Poulsen, Peter.

    In: Diffusion Fundamentals, Vol. 11, 2009, p. 1-23.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  153. Published

    A fractal model of diffusion weighted MRI in cortical grey matter. / Hansen, Brian; Østergaard, Leif; Vestergaard-Poulsen, Peter.

    2009. Abstract from Diffusion Fundamentals, Athen, Greece.

    Research output: Contribution to conferenceConference abstract for conference

  154. Published

    Analysis of Partial Volume Effects on Arterial Input Functions Using Gradient Echo : A Simulation Study. / Kjølby, Birgitte Fuglsang; Mikkelsen, Irene Klærke; Pedersen, Michael; Østergaard, Leif; Kiselev, Valerij.

    2009. Abstract from ISMRM, Honolulu, Haiti.

    Research output: Contribution to conferenceConference abstract for conference

  155. Published

    Analysis of Partial Volume Effects on Arterial Input Functions Using Gradient Echo: A Simulation Study. / Kjølby, Birgitte Fuglsang; Mikkelsen, Irene Klærke; Pedersen, Michael; Østergaard, Leif; Kiselev, Vaelrij.

    In: Magnetic Resonance in Medicine, Vol. 61, No. 6, 2009, p. 1300-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  156. Published

    Associations between depression and cardiovascular disease in patients with late onset single episode major depressive disorder. / Devantier, Torben Albert; Videbech, Poul; Østergaard, Leif; Nørgaard, Bjarne.

    2009. Poster session presented at WFSBP, 9th World Congress of Biological Psychiatry, Paris, France.

    Research output: Contribution to conferencePoster

  157. Published

    Carbogen inhalation increases oxygen transport to hypoperfused brain tissue in patients with occlusive carotid artery disease Increased oxygen transport to hypoperfused brain. / Ashkanian, Mahmoud; Gjedde, Albert; Mouridsen, Kim; Vafaee, Manouchehr; Hansen, Kim Vang; Østergaard, Leif; Andersen, Grethe.

    In: Brain research, Vol. 1304, 2009, p. 90-95.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  158. Published

    Cerebral blood flow, blood volume and oxygen metabolism dynamics in human visual and motor cortex as measured by whole-brain multi-modal magnetic resonance imaging. / Donahue, Manus; Blicher, Jakob; Østergaard, Leif; Feinberg, David; MacIntosh, Bradley; Miller, Karla; Gunther, Matthias; Jezzard, Peter.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 29, No. 11, 2009, p. 1856-1866.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  159. Published

    Comparison of 10 Perfusion MRI Parameters in 97 Sub 6 Hour Stroke Patients using Voxel based Receiver Operating Characteristics Analysis. / Christensen, Søren; Mouridsen, Kim; Wu, Ona; Hjort, Niels; Karstoft, Henrik; Thomalla, Götz; Röther, Joachim; Fiehler, Jens; Kucinski, Thomas; Østergaard, Leif.

    In: Stroke, Vol. 40, No. 6, 2009, p. 2055-61.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  160. Published

    Cortical volumes and atrophy rates in FTD-3 CHMP2B mutation carriers and related non-carriers. / Fristed Eskildsen, Simon; Riis Østergaard, Lasse; Rodell, Anders; Østergaard, Leif; Nielsen, Jørgen Erik; Isaacs, Adrian M.; Johannsen, Peter.

    In: NeuroImage, Vol. 45, No. 3, 2009, p. 713-21.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  161. Published

    Dose Optimization for Combined Perfusion Weighted Imaging and Constrast Enhanced MRA Using Gadofosveset. / Poulsen, Erik Søndergaard; Olsen, Aage Kristian; Zeidler, Dora; Hjort, Niels; Østergaard, Leif.

    2009. Poster session presented at ISMRM 17th Scientific Meeting and Exhibition, Honolulu, United States.

    Research output: Contribution to conferencePoster

  162. Published

    Dose optimization for combined perfusion weighed imaging and contrast enhanced MRA using Gadofosveset. / Poulsen, Erik Søndergaard; Olsen, Aage Kristian; Zeidler, Dora; Hjort, Niels; Østergaard, Leif.

    2009. Abstract from ISMRM Scientific Meeting and Exhibition, Hawaii, .

    Research output: Contribution to conferenceConference abstract for conference

  163. Published

    Effect of Vascular Targeting on Tumor Vessel Volume and Size Distribution. / Nielsen, Thomas; Bentzen, Lise Nørgaard; Pedersen, Michael; Horsman, Michael Robert; Østergaard, Leif.

    2009. Abstract from ISMRM, Honolulu, Haiti.

    Research output: Contribution to conferenceConference abstract for conference

  164. Published

    Feasibility and logistics of MRI before thrombolytic treatment. / Sølling, C; Ashkanian, M; Hjort, N; Gyldensted, C; Andersen, Grethe; Østergaard, Leif.

    In: Acta Neurologica Scandinavica, Vol. 120, No. 3, 2009, p. 143-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  165. Published

    Integration of diagnostic studies in amyotrophic lateral sclerosis. / Furtula, Jasna; Fuglsang-Frederiksen, Anders; Johnsen, Birger; Pugdahl, Kirsten; Christensen, Peter Brøgger; Østergaard, Leif; Sunde, Niels; Lamm, Trine Tandrup; Finnerup, Nanna Brix.

    2009. Poster session presented at PhD Day 2009, The Faculty of Health Sciences, University of Aarhus, Denmark, Aarhus, Denmark.

    Research output: Contribution to conferencePoster

  166. Published

    Predicting Tissue Outcome From Acute Stroke Magnetic Resonance Imaging : Improving Model Performance by Optimal Sampling of Training Data. / Jonsdottir, Kristjana Yr; Østergaard, Leif; Mouridsen, Kim.

    In: Stroke, Vol. 40, 2009, p. 3006-11.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  167. Published

    Predicting tissue outcome in stroke: New approaches. / Østergaard, Leif; Jonsdottir, Kristjana Yr; Mouridsen, Kim.

    In: Current Opinion in Neurology, Vol. 22, No. 1, 2009, p. 54-59.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  168. Published

    Predictive coding of music : Brain responses to rhythmic incongruity. / Vuust, Peter; Østergaard, Leif; Pallesen, Karen Johanne; Bailey, Christopher; Roepstorff, Andreas.

    In: Cortex, Vol. 45, No. 1, 2009, p. 80-92.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  169. Published

    Presymptomatic generalized brain atrophy in frontotemporal dementia caused by CHMP2B mutation. / Rohrer, Jonathan D; Ahsan, R Laila; Isaacs, Adrian M; Nielsen, Jorgen E; Østergaard, Leif; Scahill, Rachael; Warren, Jason D; Rossor, Martin N; Fox, Nick C; Johannsen, Peter; FReJA consortium.

    In: Dementia and Geriatric Cognitive Disorders, Vol. 27, No. 2, 2009, p. 182-6.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  170. Published

    Påvirkning af hjernen hos patienter med kronisk smitsom leverbetændelse vurderet ved MR-skanning. / Hjerrild, Simon; Renvillard, Signe Groth; Østergaard, Leif; Leutscher, Peter; Videbech, Poul.

    2009. Poster session presented at Psykiatriens Forskningsdag 2009, Århus, Denmark.

    Research output: Contribution to conferencePoster

  171. Published

    Quantitative t2 values predict time from symptom onset in acute stroke patients. / Siemonsen, Susanne; Mouridsen, Kim; Holst, Brigitte; Ries, Thorsten; Finsterbusch, Jürgen; Thomalla, Götz; Østergaard, Leif; Fiehler, Jens.

    In: Stroke, Vol. 40, No. 5, 2009, p. 1612-6.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  172. Published

    Safety and efficacy of MRI-based Selection for rtPA Treatment : Responder Analysis of Outcome in the 3 Hour Time Window. / Sølling, Christine; Hjort, Niels; Ashkanian, Mahmoud; Østergaard, Leif; Andersen, Grethe.

    In: Cerebrovascular Diseases, Vol. 27, No. 3, 2009, p. 223-229.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  173. Accepted/In press

    Separating Patient Cohorts into Subgroups with Homogenous Infarct Evolution using Predictive Models. / Mouridsen, Kim; Jonsdottir, Kristjana Yr; Østergaard, Leif.

    2009. Paper presented at International Stroke Conference, San Diego, United States.

    Research output: Contribution to conferencePaper

  174. Published

    Size-Dependent Accumulation of PEGylated Silane-Coated Magnetic Iron Oxide Nanoparticles in Murine Tumors. / Larsen, Esben Kjær Unmack; Nielsen, Thomas; Wittenborn, Thomas; Birkedal, Henrik; Vorup-Jensen, Thomas; Jakobsen, Mogens H; Østergaard, Leif; Horsman, Michael R; Besenbacher, Flemming; Howard, Kenneth A; Kjems, Jørgen.

    In: A C S Nano, Vol. 3, No. 7, 2009, p. 1947-51.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  175. Published

    The frontal ERAN and temporal MMN: Two different brain responses to violations in chord progressions. / Garza Villarreal, Eduardo A.; Brattico, Elvira; Leino, Sakari; Østergaard, Leif; Vuust, Peter.

    2009. Poster session presented at Braintuning Workshop 2009, Helsinki, Finland.

    Research output: Contribution to conferencePoster

  176. Published

    Total mismatch: negative diffusion-weighted imaging but extensive perfusion defect in acute stroke. / Cho, Tae-Hee; Hermier, Marc; Alawneh, Josef A; Ritzenthaler, Thomas; Desestret, Virginie; Østergaard, Leif; Derex, Laurent; Baron, Jean-Claude; Nighoghossian, Norbert.

    In: Stroke; a journal of cerebral circulation, Vol. 40, No. 10, 2009, p. 3400-2.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  177. Published

    Upgraded acute stroke care including thrombolysis is associated with reduced length of hospital stay among non-stroke patients. / Sølling, Christine; Johnsen, Søren Påske; Ehlers, Lars; Østergaard, Leif; Andersen, Grethe.

    In: Cerebrovascular Diseases, Vol. 27, No. 1, 2009, p. 60-6.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  178. Published

    White matter lesions and cerebral perfusion imaging in late-onset major depression. / Dalby, Rikke Beese; Madsen, Jamila Ahdidan; Chakravarty, MM; Sørensen, L; Rosenberg, Raben; Østergaard, Leif; Videbech, Poul.

    2009. Poster session presented at ISMRM 17th Scientific Meeting & Exhibition, Honolulu, United States.

    Research output: Contribution to conferencePoster

  179. 2008
  180. Published

    A Whole-brain Protocol for Measuring Cerebral Hemodynamic Reactivity using MRI without Contrast Agents. / Donahue, Manus; Blicher, Jakob; MacIntosh, Brad; Østergaard, Leif; Feinberg, David; Jezzard, Peter.

    2008. Poster session presented at Gordon Research Conference on Brain Energy Metabolism & Blood Flow, United States.

    Research output: Contribution to conferencePoster

  181. Published

    Accessing the mental space - Spatial working memory processes for language and vision overlap in precuneus. / Wallentin, Mikkel; Weed, Ethan; Østergaard, Leif; Mouridsen, Kim; Roepstorff, Andreas.

    In: Human Brain Mapping, Vol. 29, No. 4, 2008, p. 524-532.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  182. Published

    Acute stroke imaging research roadmap. / Wintermark, Max; Albers, Gregory W.; Alexandrov, Alexandrei V.; Alger, Jeffrey W.; Bammer, Roland; Baron, Jean-Claude; Davis, Steven; Demaerschalk, Bart; Derdeyn, Colin P.; Donnan, Geoffrey A.; Eastwood, James D.; Fiebach, Jochen B.; Fisher, Marc; Furie, Karen L.; Goldmakher, Gregory V.; Hacke, Werner; Kidwell, Chelsea C.; Kloska, Stephen P.; Köhrmann, Martin; Koroshetz, Walter; Lee, Ting-Yim; Lees, Kennedy R.; Lev, Michael H.; Liebeskind, David S; Østergaard, Leif; Powers, William J; Provenzale, James; Schellinger, Peter; Silbergleit, Robert; Sorensen, Alma Gregory; Wardlaw, Joanna; Wu, Ona; Warach, Steven.

    In: Stroke, Vol. 39, No. 5, 2008, p. 1621-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  183. Published

    Acute stroke imaging research roadmap. / Wintermark, Max; Albers, Gregory W.; Alexandrov, Alexandrei V.; Alger, Jeffrey R.; Bammer, Roland; Baron, Jean-Claude; Davis, Steven; Damaerschack, Bart; Derdeyn, Colin P.; Donnan, Geoffrey A.; Eastwood, James D.; Fiebach, Jochen B.; Fisher, Marc; Furie, Karen L.; Goldmakher, Gregory W.; Hacke, Werner; Kidwell, Chelsea C.; Kloska, Stephen P.; Köhrman, Martin; Koroshetz, Walter; Lee, Ting-Yim; Lees, Kennedy R; Lev, Michael H.; Liebeskind, David S.; Østergaard, Leif; Powers, William J.; Provenzale, James; Schellinger, Peter; Silbergleit, Robert; Sorensen, Alma Gregory; Wardlaw, Joanna; Wu, Ona; Warach, Steven.

    In: American Journal of Neuroradiology, Vol. 29, No. 5, 2008, p. e23-e30.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  184. Published

    Carbogen increases oxygen transport to brain tissue. / Ashkanian, Mahmoud; Borghammer, Per; Vafaee, M; Andersen, Grethe; Østergaard, Leif; Gjedde, Albert.

    2008. Poster session presented at Gordon Research Conference on Brain Energy Metabolism and Blood Flow, Andover, United States.

    Research output: Contribution to conferencePoster

  185. Published

    Clinical utility of parametric perfusion estimates in prediction of final outcome in acute stroke. / Mouridsen, Kim; Jonsdottir, Kristjana Yr; Jespersen, Sune Nørhøj; Østergaard, Leif.

    2008. Paper presented at International society of magnetic resonance in medicine, annual meeting 2008, Toronto, Canada.

    Research output: Contribution to conferencePaper

  186. Published

    Clinical utility of parametric perfusion estimates in prediction of final outcome in acute stroke. / Mouridsen, Kim; Jonsdottir, Kristjana Yr; Jespersen, Sune Nørhøj; Østergaard, Leif.

    2008. Poster session presented at ISMRM, Toronto, Canada.

    Research output: Contribution to conferencePoster

  187. Published

    Combretastatin activity in tumours: factors of importance. / Nielsen, Thomas; Murata, Rumi; Maxwell, Ross James; Stødkilde-Jørgensen, Hans; Østergaard, Leif; Ley, Carsten Dan; Kristjansen, Paul Ejnar Gremaud; Horsman, Michael Robert.

    2008. Poster session presented at 21st Annual Meeting of the Danish Cancer Research Society, Denmark.

    Research output: Contribution to conferencePoster

  188. Submitted

    Comparing relative importance of MR modalities in hyper-acute and sub-acute phase using multiparametric statistical models. / Jonsdottir, Kristjana Yr; Hjort, Niels; Østergaard, Leif; Mouridsen, Kim.

    2008. Paper presented at ISMRM, 2008, New Orleans, United States.

    Research output: Contribution to conferencePaper

  189. Published

    Diffusion tractography on white matter lesions in late-onset major depression. / Dalby, Rikke Beese; Madsen, Jamila Ahdidan; Frandsen, Jesper; Mallar, Chakravarty; Sørensen, L; Tehrani, Elisabeth; Rosenberg, Raben; Østergaard, Leif; Videbech, Poul.

    2008. Poster session presented at Neuroscience 2008 (SFN), Washington DC, United States.

    Research output: Contribution to conferencePoster

  190. Published

    Effect of combretastatin on tumor vessel volume and size distribution. / Nielsen, Thomas; Bentzen, Lise Nørgaard; Pedersen, M.; Horsman, Michael Robert; Østergaard, Leif.

    2008. Poster session presented at 20th Annual Meeting of the Danish Association for Cancer Research, Vilvorde, Denmark.

    Research output: Contribution to conferencePoster

  191. Published

    Gadofosveset in brain MRI. / Poulsen, Erik Søndergaard; Olsen, Aage Kristian; Hjort, Niels; Østergaard, Leif.

    2008. Abstract from MRI Conference, .

    Research output: Contribution to conferenceConference abstract for conference

  192. Published

    How reliable is perfusion MR in acute stroke? : Validation and determination of the penumbra threshold against quantitative PET. / Takasawa, Masashi; Jones, P. Simon; Guadagno, Joseph V.; Christensen, Søren; Fryer, Tim D.; Harding, Sally; Gillard, Jonathan H.; Williams, Guy B.; Aigbirhio, Franklin I.; Warburton, Elizabeth A.; Østergaard, Leif; Baron, Jean-Claude.

    In: Stroke, Vol. 39, No. 3, 2008, p. 870-7.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  193. Published

    Improvement of brain tissue oxygenation by inhalation of carbogen. / Ashkanian, M; Borghammer, Per; Gjedde, A; Østergaard, Leif; Vafaee, M.

    In: Neuroscience, Vol. 156, No. 4, 2008, p. 932-938.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  194. Published

    Inferring origin of vascular supply from tracer arrival timing patterns using bolus tracking MRI. / Christensen, Søren; Calamante, Fernando; Hjort, Niels; Wu, Ona; Blankholm, Anne Dorte; Desmond, Patricia; Davis, Steven; Østergaard, Leif.

    In: Journal of Magnetic Resonance Imaging, Vol. 27, No. 6, 2008, p. 1371-81.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  195. Published

    Inhalation af karbogen forbedrer ilttransporten til hjernevævet. / Ashkanian, Mahmoud; Mouridsen, Kim; Vafaee, M; Andersen, Grethe; Gjedde, Albert; Østergaard, Leif.

    2008. Poster session presented at Psykiatriens 3. Forskningsdag, Risskov, Denmark.

    Research output: Contribution to conferencePoster

  196. Published

    Kognitiv dysfunktion og depression ved kronisk hepatitis C. / Renvillard, Signe Groth; Hjerrild, Simon; Østergaard, Leif; Leutscher, Peter; Laursen, Alex Lund; Gade, A; Videbech, Poul.

    2008. Poster session presented at Psykiatriens 3. Forskningsdag, Risskov, Denmark.

    Research output: Contribution to conferencePoster

  197. Published

    MRI detection of early blood-brain barrier disruption: Parenchymal enhancement predicts focal hemorrhagic transformation after thrombolysis. / Hjort, Niels; Wu, Ona; Ashkanian, Mahmoud; Sølling, Christine; Mouridsen, Kim; Christensen, Søren; Gyldensted, Carsten; Andersen, Grethe; Østergaard, Leif.

    In: Stroke, Vol. 39, No. 3, 2008, p. 1025-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  198. Published

    Modelling the regulation of cerebral oxygen extraction by flow heterogeneity. / Jespersen, Sune Nørhøj; Ashkanian, Mahmoud; Mouridsen, Kim; Østergaard, Leif.

    2008. Poster session presented at Forskningens dag, Århus, Denmark.

    Research output: Contribution to conferencePoster

  199. Published

    Modelling the regulation of cerebral oxygen extraction by flow heterogeneity. / Jespersen, Sune Nørhøj; Ashkanian, Mahmoud; Mouridsen, Kim; Østergaard, Leif.

    2008. Abstract from International society of magnetic resonance in medicine, annual meeting 2008, Toronto, Canada.

    Research output: Contribution to conferenceConference abstract for conference

  200. Published

    Preclinical studies to predict efficacy of vascular changes induced by combretastatin a-4 disodium phosphate in patients. / Nielsen, Thomas; Murata, Rumi; Maxwell, Ross J; Stødkilde-Jørgensen, Hans; Østergaard, Leif; Horsman, Michael R.

    In: International Journal of Radiation: Oncology - Biology - Physics, Vol. 70, No. 3, 2008, p. 859-66.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  201. Published

    Påvirkning af hjernen hos patienter med kronisk smitsom leverbetændelse vurderet ved MR-skanning. / Hjerrild, Simon; Renvillard, Signe Groth; Østergaard, Leif; Leutscher, Peter; Laursen, Alex Lund; Videbech, Poul.

    2008. Poster session presented at Psykiatriens 3. Forskningsdag, Risskov, Denmark.

    Research output: Contribution to conferencePoster

  202. Published

    Robustness of prognostic models to interrater variability in delineating final infarct lesin. / Ribe, Lars Riisgaard; Mouridsen, Kim; Hjort, Niels; Jonsdottir, Kristjana Yr; Østergaard, Leif.

    2008. Poster session presented at International Stroke Conference, New Orleans, United States.

    Research output: Contribution to conferencePoster

  203. Published

    Sammenhænge mellem depression og kardiovaskulær sygdom hos førstegangsdeprimerede over 50 år. / Devantier, Torben Albert; Nørgaard, Bjarne Linde; Østergaard, Leif; Videbech, Poul.

    2008. Poster session presented at Psykiatriens 3. Forskningsdag, Risskov, Denmark.

    Research output: Contribution to conferencePoster

  204. Published

    Segmentation of dynamic contrast enhanced magnetic resonance imaging data. / Nielsen, Thomas; Mouridsen, Kim; Maxwell, Ross J; Stødkilde-Jørgensen, Hans; Østergaard, Leif; Horsman, Michael R.

    In: Acta Oncologica, Vol. 47, No. 7, 2008, p. 1265-70.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  205. Published
    Stroke MRI - Time is Brain!. Østergaard, Leif (Producer); Hjort, Niels (Producer); Sølling, Christine (Producer); Zeidler, Dora (Producer); Weitzel, Paul von (Producer); Nielsen, Edith (Producer); Bock, Vibeke (Producer); Bay Thomsen, Rikke (Producer); Vuust, Henriette Blæsild (Producer). 2008. Berlin : . .

    Research output: Non-textual formSound/Visual production (digital)

  206. Published

    Testing the reproducibility of Diffusion Tensor Imaging at 3.0 T. / Frandsen, Jesper; Østergaard, Leif; Jensen, Eva Bjørn Vedel.

    2008. Poster session presented at Forskningens Dag, Århus, Denmark.

    Research output: Contribution to conferencePoster

  207. Published

    The effect of impermeable boundaries of arbitrary geometry on the apparent diffusion coefficient. / Frøhlich, Astrid From; Jespersen, Sune Nørhøj; Østergaard, Leif; Kiselev, Valerij G.

    In: Journal of Magnetic Resonance, Vol. 194, No. 1, 2008, p. 128-35.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  208. Published

    Using principal component analysis and generalized linear models to predict final outcome in acute stroke. / Jonsdottir, Kristjana Yr; Østergaard, Leif; Mouridsen, Kim.

    2008. Paper presented at ISMRM, 2007, Berlin, Germany.

    Research output: Contribution to conferencePaper

  209. Published

    White matter lesions and changes in cerebral microstructure in late-onset major depression : A diffusion tensor imaging study. / Dalby, Rikke Beese; Madsen, Jamila Ahdidan; Frandsen, Jesper; Sørensen, Leif; Tehrani, Elisabeth; Rosenberg, Raben; Østergaard, Leif; Videbech, Poul.

    In: International Journal of Neuropsychopharmacology, Vol. 11, No. Suppl. S1, 2008, p. 99-99.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journal

  210. 2007
  211. Published

    Statistical mapping of effects of middle cerebral artery occlusion (MCAO) on blood flow and oxygen consumption in porcine brain. / Watanabe, Hideaki; Sakoh, Masaharu; Andersen, Flemming; Rodell, Anders; Sørensen, Jens Christian Hedemann; Østergaard, Leif; Mouridsen, Kim; Cumming, Paul.

    In: Journal of Neuroscience Methods, Vol. 160, No. 1, 15.02.2007, p. 109-15.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  212. Published

    "Strategic" and "tactical" chess differentiate in their hippocampal and precuneus requirements in expert chess players. / Wallentin, Mikkel; Roepstorff, Andreas; Vestergaard-Poulsen, Peter; Østergaard, Leif; Gebauer, Line; Linnet, Jakob; Østergaard, Svend.

    2007. Poster session presented at Society for Neuroscience, San Diego, United States.

    Research output: Contribution to conferencePoster

  213. Published

    Automatic Correction For Signal Intensity Drift In Diffusion Weighted Images. / Frandsen, Jesper; Sangill, Ryan; Østergaard, Leif; Zeidler, Dora; Vestergaard-Poulsen, Peter.

    2007. Poster session presented at ISMRM 14th Scientific Meeting & Exhibition, Seattle, Washington, United States.

    Research output: Contribution to conferencePoster

  214. Published

    Bayesian regularization of diffusion tensor images. / Frandsen, Jesper; Hobolth, Asger; Østergaard, Leif; Vestergaard-Poulsen, Peter; Jensen, Eva Bjørn Vedel.

    In: Biostatistics, Vol. 8, No. 4, 2007, p. 784-799.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  215. Published

    Billeddiagnostik af patofysiologien ved akut apopleksi. / Ashkanian, Mahmoud; Hjort, Niels; Sølling, Christine; Gyldensted, Carsten; Østergaard, Leif.

    In: Ugeskrift for Laeger, Vol. 169, No. 40, 2007, p. 3369-72.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  216. Published

    Dynamic changes in corticospinal tracts after stroke detected by fibretracking. / Møller, Mette; Frandsen, Jesper; Andersen, Grethe; Gjedde, Albert; Vestergaard-Poulsen, Peter; Østergaard, Leif.

    In: Journal of Neurology, Neurosurgery and Psychiatry, Vol. 78, No. 6, 2007, p. 587-92.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  217. Published

    Host tissue dependence on the tracer relaxation effect in Spin Echo. / Kjølby, Birgitte Fuglsang; Morell, Arvid; Saeboe, Karen; Kiselev, Valerij G; Haldorsen, Anita G.; Østergaard, Leif; Bjørnerud, Atle.

    Joint Annual Meeting ISMRM-ESMRMB 2007. International Society of Magnetic Resonance in Medicine, 2007.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  218. Published

    Infarct prediction and treatment assessment with MRI-based algorithms in experimental stroke models. / Wu, Ona; Sumii, T; Asahi, M; Sasamata, M; Østergaard, Leif; Rosen, BR; Lo, EH; Dijkhuizen, RM.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 27, No. 1, 2007, p. 196-204.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  219. Published

    Micro structural changes in ischemic cortical gray matter predicted by a model of diffusion weighted MRI. / Vestergaard-Poulsen, Peter; Hansen, Brian; Østergaard, Leif; Jakobsen, Rikke.

    26. ed. J. Magnetic Resonance Imaging, 2007. p. 529-40.

    Research output: Working paper

  220. Published

    Microstructural changes in ischemic cortical gray matter predicted by a model of diffusion-weighted MRI. / Vestergaard-Poulsen, Peter; Hansen, Brian; Østergaard, Leif; Jakobsen, Rikke.

    In: Journal of Magnetic Resonance Imaging, Vol. 26, No. 3, 2007, p. 529-40.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  221. Published

    Modeling dendrite density from magnetic resonance diffusion measurements. / Jespersen, Sune Nørhøj; Kroenke, CD; Østergaard, Leif; Ackerman, JJ; Yablonskiy, DA.

    In: NeuroImage, Vol. 34, No. 4, 2007, p. 1473-1486.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  222. Published

    Modeling the regulation of cerebral oxygenextraction by flow heterogeneity. / Jespersen, Sune Nørhøj; Ashkanian, Mahmoud; Mouridsen, Kim; Østergaard, Leif.

    2007. Abstract from Workshop on cerebral perfusion and brain function 2007, Salvador da Bahia, Brazil.

    Research output: Contribution to conferenceConference abstract for conference

  223. Published

    Optimizing DSC perfusion-imaging by minimizing susceptibility artefacts at 3 Tesla parallel imaging and SE versus GRE : 3rd place research focus poster award. / Blankholm, Anne Dorte; Mouridsen, Kim; Ashkanian, Mahmoud; Gyldensted, Carsten; Østergaard, Leif.

    Optimizing DSC perfusion-imaging by minimizing susceptibility artefacts at 3 Tesla parallel imaging and SE versus GRE. 2007. p. 1.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  224. Published

    Predictive Models in Multimodal Imaging. / Mouridsen, Kim; Østergaard, Leif.

    Neurodegenereration in Multiple Sclerosis. ed. / Massimo Filippi; Marco Rovaris; Giancarlo Comi. Italy : Springer, 2007. p. 127-149.

    Research output: Contribution to book/anthology/report/proceedingBook chapter

  225. Published

    Realistic model of partial volume effect on the AIF in dynamic susceptibility contrast perfusion MRI. / Kjølby, Birgitte Fuglsang; Østergaard, Leif; Kiselev, Valerij G.

    Joint Annual Meeting ISMRM-ESMRMB 2007. International Society of Magnetic Resonance Imaging, 2007.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  226. Published

    Relaxivity of blood pool contrast agent depends on the host tissue as suggested by semianalytical simulations. / Kjølby, Birgitte Fuglsang; Østergaard, Leif; Kiselev, Valerij.

    2007. Poster session presented at SVF PhD Day 2007, Aarhus, Denmark.

    Research output: Contribution to conferencePoster

  227. Published

    Statistical mapping of effects of middle cerebral artery occlusion (MCAO) on blood flow and oxygen concymption in porcine brain. / Watanabe, H.; Sakoh, M.; Andersen, F.; Rodell, A.; Sørensen, Jens Christian H.; Østergaard, Leif; Mouridsen, Kim; Cumming, P.

    In: J. Neurosci. Methods, 2007.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  228. Published

    Theoretical Analysis of Perfusion Measurement using GE at 1.5 T and 3T. / Kjølby, Birgitte Fuglsang; Østergaard, Leif; Kiselev, Valerij G.

    ESMRMB. ESMRMB, 2007.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  229. 2006
  230. Published

    Polyrhythmic communicational devices appear as languagein the brains of musicians. / Vuust, Peter; Østergaard, Leif; Roepstorff, Andreas.

    ICMPC9 - International Conference on Music Perception and Cognition. ESCOM, 2006.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  231. Published

    Are MRI-Based Predictive Models Comparable Among Stroke Centers? / Hjort, Niels; Wu, Ona; Ashkanian, Mahmoud; Sølling, Christine; Mouridsen, Kim; Christensen, Søren; Fiehler, Jens; Thomalla, Götz; Kucinski, Thomas; Röther, Joachim; Andersen, Grethe; Østergaard, Leif.

    2006. Poster session presented at International Stroke Conference, Orlando, United States.

    Research output: Contribution to conferencePoster

  232. Published

    Assessing the outcome of stroke : a comparison between MRI and clinical stroke scales. / Nuutinen, J; Liu, Y; Laakso, MP; Karonen, JO; Roivainen, R; Vanninen, RL; Partanen, K; Østergaard, Leif; Sivenius, J; Aronen, HJ.

    In: Acta Neurologica Scandinavica, Vol. 113, No. 2, 2006, p. 100-107.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  233. Published

    Automatic Correction For Signal Intensity Drift in Magnetic Resonance Diffusion Weighted Images. / Frandsen, Jesper; Sangill, Ryan; Østergaard, Leif; Zeidler, Dora; Vestergaard-Poulsen, Peter.

    2006. Poster session presented at Forskningens Dag, Århus, Denmark.

    Research output: Contribution to conferencePoster

  234. Published

    Automatic selection of arterial input function using cluster analysis. / Mouridsen, Kim; Christensen, Søren; Gyldensted, Louise; Østergaard, Leif.

    In: Magnetic Resonance in Medicine, Vol. 55, No. 3, 2006, p. 524-531.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  235. Published

    Bayesian estimation of perfusion parameters using a physiological model for the microvasculature. / Mouridsen, Kim; Friston, Karl; Hjort, Niels; Gyldensted, Louise; Østergaard, Leif; Kiebel, Stefan.

    In: NeuroImage, Vol. 33, No. 2, 2006, p. 570-579.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  236. Published

    Characterizing physiological heterogeneity of infarction risk in acute human ischaemic stroke using MRI. / Wu, Ona; Christensen, Søren; Hjort, Niels; Dijkhuizen, RM; Kucinski, T; Fiehler, J; Thomalla, G; Rother, J; Østergaard, Leif.

    In: Brain, Vol. 129, No. 9, 2006, p. 2384–2393.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  237. Published

    Contrast Bolus Magnetic Resonance Imaging in Alzheimer's Disease and Mild Cognitive Impairment. / Gyldensted, Louise; Mouridsen, Kim; Rodell, Anders; Østergaard, Leif; Gyldensted, Carsten.

    2006. Poster session presented at 10th International Conference on Alzheimer's Disease and Related Disorders, Madrid, Spain.

    Research output: Contribution to conferencePoster

  238. Published

    Diffusion weighted signal at short times in the presence of impermeable interfaces. / Frøhlich, Astrid From; Østergaard, Leif; Kiselev, Valerij G.

    2006. Poster session presented at Diffusion weighted signal at short times in the presence of impermeable interfaces, Seattle, United States.

    Research output: Contribution to conferencePoster

  239. Published

    Effect of Impermeable boundaries on Diffusion-Attenuated MR Signal. / Frøhlich, Astrid From; Østergaard, Leif; Kiselev, Valerij G.

    In: Journal of Magnetic Resonance, Vol. 179, 2006, p. 223-233.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  240. Published

    Hypofractionation: Effects on Growth and Vasculature in a Preclinical Tumour Model. / Nielsen, Thomas; Østergaard, Leif; Overgaard, Jens; Horsman, Michael Robert.

    2006. Abstract from 10th International Tumor Microenvironment Workshop, Boston, United States.

    Research output: Contribution to conferenceConference abstract for conference

  241. Published

    Imaging microvascular flow distribution using residue function shape characteristics. / Mouridsen, Kim; Kiebel, Stefan; Hjort, Niels; Østergaard, Leif.

    2006. Poster session presented at Imaging microvascular flow distribution using residue function shape characteristics, .

    Research output: Contribution to conferencePoster

  242. Published

    Implementing MRI based selection Criteria for Thrombolysis in Acute Stroke within the 3 hour window: Efficacy over a 2 year period. / Sølling, Christine; Hjort, Niels; Ashkanian, Mahmoud; Andersen, Grethe; Østergaard, Leif.

    2006. Abstract from Joint World Congress on Stroke 2006, Cape Town, South Africa.

    Research output: Contribution to conferenceConference abstract for conference

  243. Published

    It don't mean a thing... : Keeping the rhythm during polyrhythmic tension, activates language areas (BA47). / Vuust, Peter; Roepstorff, Andreas; Wallentin, Mikkel; Mouridsen, Kim; Østergaard, Leif.

    In: NeuroImage, Vol. 31, No. 2, 2006, p. 832-41.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  244. Published

    MRI Findings in Late-Onset Major Depression. / Dalby, Rikke Beese; Tehrani, Elisabeth; Ravnkilde, Barbara; Bruun, Louise Meldgaard; Jensen, Claus Zander; Ahdidan, Jamila; Østergaard, Leif; Rosenberg, Raben; Videbech, Poul.

    2006. Poster session presented at Dansk Psykiatrisk Selskabs Årsmøde, Nyborg, Denmark.

    Research output: Contribution to conferencePoster

  245. Published

    MRI Findings in Late-Onset Major Depression. / Dalby, Rikke Beese; Tehrani, Elisabeth; Ahdidan, Jamila; Sørensen, Leif Hougaard; Bek, Toke; Østergaard, Leif; Rosenberg, Raben; Videbech, Poul.

    2006. Poster session presented at Psykiatriens Forskningsdag, Århus, Denmark.

    Research output: Contribution to conferencePoster

  246. Published

    Månedens billede. / Hjort, Niels; Ashkanian, Mahmoud; Sølling, Christine; Andersen, Grethe; Østergaard, Leif.

    In: Ugeskrift for Laeger, Vol. 168, No. 38, 2006, p. 3230.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperLetter

  247. Published

    Preclinical studies on hypofractionation using a C3H mouse mammary carcinoma model. / Horsman, Michael Robert; Nielsen, Thomas; Østergaard, Leif; Overgaard, Jens.

    2006. Abstract from Third Acta Oncologica Symposium, København, Denmark.

    Research output: Contribution to conferenceConference abstract for conference

  248. Published

    Radiation administered as a large single dose or in a fractionated schedule : Role of the tumour vasculature as a target for influencing response. / Horsman, Michael R; Nielsen, Thomas; Østergaard, Leif; Overgaard, Jens.

    In: Acta Oncologica, Vol. 45, No. 7, 2006, p. 876-80.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  249. Published

    Regularization of Diffusion Tensor Fields in Axonal Fibre Tracking. / Frandsen, Jesper; Hobolth, Asger; Østergaard, Leif; Vestergaard-Poulsen, Peter; Vedel, Eva Bjørn.

    2006. Poster session presented at PhD Day 2006, The Faculty of Health Sciences, Aarhus, Denmark.

    Research output: Contribution to conferencePoster

  250. Published

    Relationship between combretastatin induced changes in DCEMRI parameters and radiation response in a murine tumour model. / Nielsen, Thomas; Murata, Rumi; Maxwell, Ross J.; Stødkilde-Jørgensen, Hans; Østergaard, Leif; Horsman, Michael Robert.

    2006. Abstract from PhD Day, University of Aarhus, Graduate School of Health Sciences, Århus, Denmark.

    Research output: Contribution to conferenceConference abstract for conference

  251. Published

    Relaxivity of blood pool contrast agent depends on the host tissue as suggested by semianalytical simulations. / Jensen, Birgitte Fuglsang; Østergaard, Leif; Kiselev, Valerij G.

    2006. Poster session presented at ISMRM 14th Scientific Meeting & Exhibition, Seattle, United States.

    Research output: Contribution to conferencePoster

  252. Published

    The Physiological Significance of the Tmax Parameter in Bolus Tracking MRI. / Christensen, Søren; Wu, Ona; Butcher, K; Hjort, Niels; Karstoft, Henrik; Davis, S; Østergaard, Leif.

    2006. Abstract from ISMRM 14th Annual Meeting, Seattle, United States.

    Research output: Contribution to conferenceConference abstract for conference

  253. Published

    The impact of susceptibility gradients on cartesian and spiral EPI for BOLD fMRI. / Sangill, Ryan; Wallentin, Mikkel; Østergaard, Leif; Vestergaard-Poulsen, Peter.

    In: Magnetic Resonance Materials in Physics, Biology and Medicine, Vol. 19, No. 3, 2006, p. 105-114.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  254. Published
  255. Published

    Theoretical model of intravascular paramagnetic tracers effect on tissue relaxation. / Kjølby, Birgitte Fuglsang; Østergaard, Leif; Kiselev, Valerij G.

    In: Magnetic Resonance in Medicine, Vol. 56, No. 1, 2006, p. 187-197.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  256. Published

    Thresholding Artefacts in sSVD and oSVD Deconvolution. / Gyldensted, Louise; Mouridsen, Kim; Østergaard, Leif.

    2006. Poster session presented at ISMRM 14th Scientific Meeting & Exhibition, Seattle, United States.

    Research output: Contribution to conferencePoster

  257. Published

    Tracking Vascular Supply Using Bolus Tracking MRI. / Christensen, Søren; Manka, C; Østergaard, Leif; Calamante, F.

    2006. Abstract from ISMRM 14th Annual Meeting, Seattle, United States.

    Research output: Contribution to conferenceConference abstract for conference

  258. Published

    Transfer constant and plasma volume fraction in dynamic contrast enhanced magnetic resonance imaging: different dependencies on tumour model, size, and antivascular treatment. / Nielsen, Thomas; Maxwell, R.J.; Stødkilde-Jørgensen, Hans; Østergaard, Leif; Horsman, Michael Robert.

    2006. Abstract from 13th Scientific Meeting of the International Society for Magnetic Resonance in Medicine, Miami, United States.

    Research output: Contribution to conferenceConference abstract for conference

  259. Published

    Trombolyse af apopleksipatienter : første års erfaringer og resultater på Århus Sygehus. / Sølling, Christine; Hjort, Niels; Ashkanian, Mahmoud; Weitzel-Mudersbach, Paul von; Østergaard, Leif; Andersen, Grethe.

    In: Ugeskr for Læger, Vol. 168, No. 25, 2006, p. 2452-2456.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  260. Published

    White Matter Lesions in Late-Onset Major Depression. / Dalby, Rikke Beese; Tehrani, Elisabeth; Ahdidan, Jamila; Sørensen, Leif Hougaard; Østergaard, Leif; Rosenberg, Raben; Videbech, Poul.

    2006. Poster session presented at Second Dual Congress on Psychiatry and the Neurosciences, Athen, Greece.

    Research output: Contribution to conferencePoster

  261. 2005
  262. Published

    Intravascular contrast agent-enhanced MRI measuring contrast clearance and tumor blood volume and the effects of vascular modifiers in an experimental tumor. / Bentzen, Lise; Vestergaard-Poulsen, Peter; Nielsen, Thomas; Overgaard, Jens; Bjørnerud, Atle; Briley-Saebø, Karen; Horsman, Michael R; Østergaard, Leif.

    In: International Journal of Radiation: Oncology - Biology - Physics, Vol. 61, No. 4, 15.03.2005, p. 1208-15.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  263. Published

    Abnormal intravoxel cerebral blood flow heterogeneity in human ischemic stroke determined by dynamic susceptibility contrast magnetic resonance imaging. / Perkiö, Jussi; Soinne, Lauri; Østergaard, Leif; Helenius, Johanna; Kangasmäki, Aki; Martinkauppi, Sami; Salonen, Oili; Savolainen, Sauli; Kaste, Markku; Tatlisumak, Turgut; Aronen, Hannu J.

    In: Stroke; a journal of cerebral circulation, Vol. 36, No. 1, 2005, p. 44-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  264. Published

    Applying instance-based techniques to prediction of final outcome in acute stroke. / Gottrup, Christian; Thomsen, Knud; Locht, Peter; Wu, Ona; Sorensen, A Gregory; Koroshetz, Walter J; Østergaard, Leif.

    In: Artificial Intelligence in Medicine, Vol. 33, No. 3, 2005, p. 223-36.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  265. Published

    A MRI-compatible stereotaxic localizer box enables high-precision stereotaxic procedures in minipigs. / Sørensen, Jens Christian H.; Bjarkam, Carsten; Cancian, Gratiano; Larsen, Mette; Rosendal, Frederikke; Ettrup, Kåre Sanden; Zeidler, Dora; Blankholm, Anne Dorthe; Østergaard, Leif; Sunde, Niels.

    2005. Abstract from 14th Meeting of the World Society for Stereotatic and Functional Neurosurgery, Rom, Italy.

    Research output: Contribution to conferenceConference abstract for conference

  266. Published

    Bayesian Estimation of perfusion Parameters Using a Physiological Model of the Microvasculature. / Mouridsen, Kim; Gyldensted, Louise; Friston, Karl; Østergaard, Leif; Kiebel, Stefan.

    2005. Poster session presented at ISMRM 2005, Miami, United States.

    Research output: Contribution to conferencePoster

  267. Published

    Cerebral metabolic response to low blood flow : possible role of cytochrome oxidase inhibition. / Gjedde, Albert; Johannsen, Peter; Cold, Georg; Østergaard, Leif.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 25, No. 9, 2005, p. 1183-96.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  268. Published

    Concrete spatial language : see what I mean? / Wallentin, Mikkel; Østergaard, Svend; Lund, Torben Ellegaard; Østergaard, Leif; Roepstorff, Andreas.

    In: Brain and Language, Vol. 92, No. 3, 2005, p. 221-33.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  269. Published

    Effect of Impermeable Interfaces on Apparent Diffusion Coefficient in Heterogeneous Media. / Frøhlich, Astrid From; Østergaard, Leif; Kiselev, Valerij G.

    ESMRMB proceedings 2005. 2005. p. p.292, number 500.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedings

  270. Published

    Effect of Impermeable Interfaceson Apparent Diffusion Coefficient in Heterogeneous Media. / Frøhlich, Astrid From; Østergaard, Leif; Kiselev, Valerij G.

    In: Applied Magnetic Resonance, Vol. 29, 2005, p. 123-137.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  271. Published

    Ischemic injury detected by diffusion imaging 11 minutes after stroke. / Hjort, Niels; Christensen, Søren; Sølling, Christine; Ashkanian, Mahmoud; Wu, Ona; Røhl, Lisbeth; Gyldensted, Carsten; Andersen, Grethe; Østergaard, Leif.

    In: Annals of Neurology, Vol. 58, No. 3, 2005, p. 462-465.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  272. Published

    Magnetic ressonance imaging criteria for thrombolysis in acute cerebral infarct. / Hjort, Niels; Butcher, K; Davis, SM; Kidwell, CS; Koroshetz, WJ; Rother, J; Schellinger, PD; Warach, S; Østergaard, Leif.

    In: Stroke, Vol. 36, No. 2, 2005, p. 388-397.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  273. Published

    Motion verb sentences activate left posterior middle temporal cortex despite static context. / Wallentin, Mikkel; Lund, Torben Ellegaard; Østergaard, Svend; Østergaard, Leif; Roepstorff, Andreas.

    In: NeuroReport, Vol. 16, No. 6, 2005, p. 649-52.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  274. Published

    New Developments in Perfusion Imaging by Bolus Tracking. / Østergaard, Leif.

    In: Journal of Neuroradiology, Vol. 32, No. 5, 2005, p. 315-20.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  275. Published

    Perfusion Weighted MRI in Alzheimer's Disease and Mild Cognitive Impairment. / Gyldensted, Louise; Madsen, Jamila Ahdidan; Rodell, Anders; Mouridsen, Kim; Østergaard, Leif; Gyldensted, Carsten.

    2005. Poster session presented at ISMRM 13th Scientific Meeting & Exhibition, Miami, United States.

    Research output: Contribution to conferencePoster

  276. Published

    Predictive coding of rhythm - Brain responses to rhythmic incongruity. / Vuust, Peter; Roepstorff, Andreas; Pallesen, Karen Johanne; Bailey, Christopher; Østergaard, Leif.

    2005. Poster session presented at Human Brain Mapping 2005, Toronto, Canada.

    Research output: Contribution to conferencePoster

  277. Published

    Principles of Cerebral Perfusion Imaging by Bolus Tracking. / Østergaard, Leif.

    In: Journal of Magnetic Resonance Imaging, Vol. 22, No. 6, 2005, p. 710-717.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  278. Published

    Technical aspects of perfusion-weighted imaging. / Wu, Ona; Østergaard, Leif; Sørensen, AG.

    In: Neuroimaging Clinics of North America, Vol. 15, No. 3, 2005, p. 623-637.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  279. Published

    Theory of Susceptibility Induced Transverse Relaxation in the Capillary Network in the diffusion narrowing Regime. / Frøhlich, Astrid From; Østergaard, Leif; Kiselev, Valerij G.

    In: Magnetic Resonance in Medicine, Vol. 53, No. 3, 2005, p. 564-573.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  280. Published

    To musicians, the message is in the meter : Pre-attentive neuronal responses to incongruent rhythm are left-lateralized in musicians. / Vuust, Peter; Pallesen, Karen Johanne; Bailey, Christopher; van Zuijen, Titia; Gjedde, Albert; Roepstorff, Andreas; Østergaard, Leif.

    In: NeuroImage, Vol. 24, No. 2, 2005, p. 560-4.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  281. Published

    Trombolysebehandling til akut iskaemisk apopleksi : Dansk Neurologisk Selskab. / Andersen, Grethe; Ostergaard, Leif.

    In: Ugeskrift for Laeger, Vol. 167, No. 12-13, 2005, p. 1398.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  282. 2004
  283. Published

    A Hybrid Approach to Simulate the Transverse Relaxation Effect of the Vascular Network. / Kjølby, Birgitte Fuglsang; Østergaard, Leif; Kiselev, Valerij G.

    ESMRMB. ESMRMB, 2004.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  284. Published

    A MRI-compatible stereotaxic localizer box enables high-precision stereotaxic procedures in pigs. / Bjarkam, Carsten Reidies; Cancian, G.; Larsen, M.; Rosendahl, F.; Ettrup, Kåre Schmidt Ettrup; Zeidler, Dora; Blankholm, Anne Dorte; Østergaard, Leif; Sunde, Niels; Sørensen, Jens Christian H.

    In: Journal of Neuroscience Methods, Vol. 139, No. 2, 2004, p. 293-298.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  285. Published

    A new intracerebral microinjection device enabling multiple minimally invasive injections of stem cells and therapeutics in a large cylindrical brain volume from one central injection tract. / Sørensen, Jens Christian H.; Bjarkam, Carsten; Larsen, Mette; Rosendal, Frederikke; Olsen, Aage K.; Østergaard, Leif; Zeidler, Dora; Blankholm, Anne Dorthe; Zimmer, Jens; Meyer, Morten; Scouten, Charles; Cunningham, Miles.

    2004. Abstract from 4th Forum of European Neuroscience, Lissabon, Portugal.

    Research output: Contribution to conferenceConference abstract for conference

  286. Published

    Cerebral perfusion imaging by bolus tracking. / Østergaard, Leif.

    In: Topics in Magnetic Resonance Imaging, Vol. 15, No. 1, 2004, p. 3-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  287. Published

    Cerebral perfusion imaging by exogenous contrast agents. / Østergaard, Leif; Barker, P. (Editor); Gillard, J. (Editor); Waldman, A. (Editor).

    Clinical MR Neuroimaging. Cambridge University Press, 2004. p. 3327-3229.

    Research output: Contribution to book/anthology/report/proceedingBook chapter

  288. Published

    Do indomethacin and propofol cause cerebral ischemic damage? : Diffusion-weighted magnetic resonance imaging in patients undergoing craniotomy for brain tumors. / Rasmussen, Mads; Østergaard, Leif; Juul, Niels; Gyldensted, Carsten; Poulsen, Peter V; Cold, Georg E.

    In: Anesthesiology, Vol. 101, No. 4, 2004, p. 872-878.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  289. Published

    Nye funktionelle MR-teknikker. Specielt med henblik på akut apopleksibehandling. / Østergaard, Leif; Røhl, Lisbeth; Andersen, Grethe.

    In: Maanedsskrift for Praktisk Laegegerning, Vol. 82, 2004, p. 46-61.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  290. Published

    Quantitative cerebral perfusion using the PRESTO acquisition scheme. / Pedersen, M.; Klarhöfer, M.; Christensen, Søren; Ouallet, J.P.; Østergaard, Leif; Dousset, V.; Moonen, C.

    In: Journal of Magnetic Resonance Imaging, Vol. 20, No. 6, 2004, p. 930-940.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  291. Published

    The importance of transverse relaxation in modeling water self diffusion in brain tissue. / Vestergaard-Poulsen, Peter; Jakobsen, Rikke; Hansen, Brian; Nørregaard Laursen, Troels; Østergaard, Leif.

    2004. Poster session presented at International Society of Magnetic Resonance in Medicine, Kyoto, 2004, .

    Research output: Contribution to conferencePoster

  292. Published

    Theoretical Analysis of Internal Accuracy of Perfusion Measurements at 1.5 T and 3 T. / Kjølby, Birgitte Fuglsang; Østergaard, Leif; Kiselev, Valerij G.

    Quantitative Cerebral Perfusion Imaging Using MRI: A Techincal Perspective. International Society of Magnetic Resonance in Medicine, 2004.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  293. Published

    Theory of Susceptibility Induced Transverse Relaxation in the Capillary Network. / Frøhlich, Astrid From; Østergaard, Leif; Kiselev, Valerij G.

    Proceedings of the 12th Annual Meeting ISMRM Kyoto. 2004. p. p. 2308.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedings

  294. Published

    Tværdisciplinær forskning på CFIN : Center for Funktionelt Integrativ Neurovidenskab. / Østergaard, Leif.

    CFIN, 2004.

    Research output: Book/anthology/dissertation/reportBook

  295. 2003
  296. Published

    A porcine model for long-term stroke studies. / Olsen, Aage Kristian; Watanabe, Hideaki; Bjarkam, Carsten Reidies; Rodell, Anders; Zeidler, Dora; Blankholm, Anne Dorte; Cumming, Paul; Gyldensted, Carsten; Østergaard, Leif; Vestergaard-Poulsen, Peter; Gjedde, Albert.

    2003. Abstract from ScandLAS Symposium, Lahti, Finland.

    Research output: Contribution to conferenceConference abstract for conference

  297. Published

    Cerebral hemodynamics in a healthy population measured by dynamic susceptibility contrast MR imaging. / Helenius, J.; Perkio, J.; Soinne, L.; Østergaard, Leif; Carano, R.A.; Salonen, O.; Savolainen, S.; Kaste, M.; Aronen, H.J.; Tatlisumak, T.

    In: Acta Radiologica, Vol. 44, 2003, p. 538-546.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  298. Published

    Effects of tracer arrival time on flow estimates in MR perfusion-weighted imaging. / Wu, Ona; Østergaard, Leif; Koroshetz, Walter J; Schwamm, Lee H; O'Donnell, Joanie; Schaefer, Pamela W; Rosen, Bruce R; Weisskoff, Robert M; Sorensen, A Gregory.

    In: Magnetic Resonance in Medicine, Vol. 50, No. 4, 2003, p. 856-64.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  299. Published

    Evolving relations between cerebral blood flow and oxygen metabolism after middle cerebral artery occlusion in the porcine chronic stroke model. / Watanabe, Hideaki; Olsen, Aage Kristian; Bjarkam, Carsten Reidies; Rodell, Anders; Zeidler, Dora; Blankholm, Anne Dorte; Østergaard, Leif; Gyldensted, Carsten; Cumming, Paul; Gjedde, Albert.

    2003. Abstract from European Stroke Conference, Valencia, Spain.

    Research output: Contribution to conferenceConference abstract for conference

  300. Published

    Imaging system for obtaining quantative perfusion indices. / Østergaard, Leif (Inventor).

    Patent No.: USP 6542769. Mar 20, 2000.

    Research output: Patent

  301. Published

    PET og hjernearbejde. Energiforsyning og stofomsætning i hjernen. / Gjedde, Albert Hellmut; Vafaee, Manouchehr Seyedi; Østergaard, Leif; Rodell, Anders (Editor).

    På sporet af det indre liv. PET i Århus 1993-2003. Professionelle og Eksperimenterende Tekster, Århus, 2003. p. 137-149.

    Research output: Contribution to book/anthology/report/proceedingBook chapter

  302. Published

    Prediction of tissue survival after stroke based on changes in the apparent diffusion of water (cytotoxic edema). / Sakoh, M; Ohnishi, T; Østergaard, Leif; Gjedde, A.

    Brain Edema XII: Proceedings of the 12th International Symposium, Hakone, Japan, November 10–13, 2002. ed. / T Kuroiwa; A Baethmann; Z Czernicki; J T Hoff; U Ito; Y Katayama; A Marmarou; B A D Mendelow; H-J Reulen. Vol. 86 2003. p. 137-40.

    Research output: Contribution to book/anthology/report/proceedingBook chapter

  303. Published

    Tracer arrival effects on flow estimates in MR perfusion-weighted imaging. / Wu, Ona; Østergaard, Leif; Koroshetz, W.J.; Schwamm, L.H.; ODonnell, J.; Schaefer, P.W.; Rosen, B.R.; Weisskoff, R.M.; Sorensen, A.G.

    In: Magnetic Resonance in Medicine, Vol. 50, No. 4, 2003, p. 856-864.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  304. Published

    Tracer arrival timing insensitive technique for estimating flow in MR perfusion-weighted imaging using singular value decomposition with a block-circulant deconvolution matrix. / Wu, Ona; Østergaard, Leif; Koroshetz, W.J.; Schwamm, L.H.; ODonnell, J.; Schaefer, P.W.; Rosen, B.R.; Weisskoff, R.M.; Sorensen, A.G.

    In: Magnetic Resonance in Medicine, Vol. 50, No. 1, 2003, p. 164-174.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  305. 2002
  306. Published

    Iron-induced susceptibility effect at the globus pallidus causes underestimation of flow and volume on dynamic susceptibility contrast-enhanced MR perfusion images. / Yamada, Kei; Gonzalez, R Gilberto; Østergaard, Leif; Komili, Suzanne; Weisskoff, Robert M; Rosen, Bruce R; Koroshetz, Walter J; Nishimura, Tsunehiko; Sorensen, A Gregory.

    In: American Journal of Neuroradiology, Vol. 23, No. 6, 14.06.2002, p. 1022-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  307. Published

    Evaluation of four postprocessing methods for determination of cerebral blood volume and mean transit time by dynamic susceptibility contrast imaging. / Perkiö, Jussi; Aronen, Hannu J; Kangasmäki, Aki; Liu, Yawu; Karonen, Jari; Savolainen, Sauli; Østergaard, Leif.

    In: Magnetic Resonance in Medicine, Vol. 47, No. 5, 2002, p. 973-81.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  308. Published

    Final infarct size after acute stroke : prediction with flow heterogeneity. / Simonsen, Claus Z; Røhl, Lisbeth; Vestergaard-Poulsen, Peter; Gyldensted, Carsten; Andersen, Grethe; Østergaard, Leif.

    In: Radiology, Vol. 225, No. 1, 2002, p. 269-75.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  309. Published

    Magnetic resonance perfusion-weighted imaging of acute cerebral infarction: effect of the calculation methods and underlying vasculopathy. / Yamada, Kei; Wu, Ona; Gonzalez, R Gilberto; Bakker, Dirk; Østergaard, Leif; Copen, William A; Weisskoff, Robert M; Rosen, Bruce R; Yagi, Katsumi; Nishimura, Tsunehiko; Sorensen, A Gregory.

    In: Stroke; a journal of cerebral circulation, Vol. 33, No. 1, 2002, p. 87-94.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  310. Published

    Perfusion-weighted MRI in human acute ischemic stroke : a comparison with the progression of the infarct on diffusion-weighted images. / Aronen, Hannu J; Perkiö, Jussi; Karonen, Jari O; Vanninen, Ritva L; Østergaard, Leif; Liu, Yawu; Könönen, Mervi; Vanninen, Esko J; Soimakallio, Seppo; Kuikka, Jyrki T.

    In: Academic Radiology, Vol. 9, No. Suppl 1, 2002, p. S160-4.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  311. Published

    Time evolution of cerebral perfusion and apparent diffusion coefficient measured by magnetic resonance imaging in a porcine stroke model. / Røhl, Lisbeth; Sakoh, Masaharuh; Simonsen, Claus Ziegler; Vestergaard-Poulsen, Peter; Sangill, Ryan; Sørensen, Jens Christian H.; Bjarkam, Carsten; Gyldensted, Carsten; Østergaard, Leif.

    In: Journal of Magnetic Resonance Imaging, Vol. 15, No. 2, 2002, p. 123-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  312. 2001
  313. Published

    Correlation between diffusion- and perfusion-weighted MRI and neurological deficit measured by the Scandinavian Stroke Scale and Barthel Index in hyperacute subcortical stroke (< or = 6 hours). / Røhl, Lisbeth; Geday, Jacob; Østergaard, Leif; Simonsen, Claus Ziegler; Vestergaard-Poulsen, Peter; Andersen, Grethe; Le Bihan, D.; Gyldensted, C.

    In: Cerebrovascular Diseases, Vol. 12, No. 3, 2001, p. 203-213.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  314. Published

    Diffusion and perfusion MR imaging in acute ischemic stroke : a comparison to SPECT. / Karonen, J O; Østergaard, Leif; Vainio, P; Partanen, K; Vanninen, R; Vanninen, E; Korhonen, K; Haapamäki, S; Liu, Y; Roivainen, R; Onatsu, J; Nuutinen, J; Könönen, M; Sivenius, J; Kuikka, J; Aronen, H J.

    In: Computer Methods and Programs in Biomedicine, Vol. 66, No. 1, 2001, p. 125-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  315. Published

    FDOPA metabolism in the adult porcine brain: influence of tracer circulation time and VOI selection on estimates of striatal DOPA decarboxylation. / Danielsen, E H; Smith, D F; Andersen, Flemming; Gee, A D; Bender, D; Hansen, Søren Baarsgaard; Hermansen, F; Østergaard, L; Cumming, P; Gjedde, A.

    In: Journal of Neuroscience Methods, Vol. 111, No. 2, 2001, p. 157-68.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  316. Published

    MR-scanning ved akut apopleksi. / Simonsen, Claus Ziegler; Røhl, L; Østergaard, L; Vestergaard-Poulsen, P; Andersen, Grethe; Gyldensted, C.

    In: Ugeskrift for Laeger, Vol. 163, No. 17, 2001, p. 2368-72.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  317. Published

    Predicting tissue outcome in acute human cerebral ischemia using combined diffusion- and perfusion-weighted MR imaging. / Wu, O; Koroshetz, W J; Østergaard, Leif; Buonanno, F S; Copen, W A; Gonzalez, R G; Rordorf, G; Rosen, B R; Schwamm, L H; Weisskoff, R M; Sorensen, A G.

    In: Stroke; a journal of cerebral circulation, Vol. 32, No. 4, 2001, p. 933-42.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  318. Published

    Prediction of tissue survival after middle cerebral artery occlusion based on changes in the apparent diffusion of water. / Sakoh, M; Østergaard, Leif; Gjedde, A; Røhl, L; Vestergaard-Poulsen, P; Smith, D F; Le Bihan, D; Sakaki, S; Gyldensted, C.

    In: Journal of Neurosurgery, Vol. 95, No. 3, 2001, p. 450-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  319. Published

    Quantitative measurements of cerebral blood flow in patients with unilateral carotid artery occlusion : a PET and MR study. / Lin, W; Celik, A; Derdeyn, C; An, H; Lee, Y; Videen, T; Østergaard, Leif; Powers, W J.

    In: Journal of Magnetic Resonance Imaging, Vol. 14, No. 6, 2001, p. 659-67.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  320. Published
  321. Published

    Viability thresholds of ischemic penumbra of hyperacute stroke defined by perfusion-weighted MRI and apparent diffusion coefficient. / Røhl, Lisbeth; Østergaard, Leif; Simonsen, Claus Ziegler; Vestergaard-Poulsen, Peter; Andersen, Grethe; Sakoh, M.; Le Bihan, D.; Gyldensted, Carsten.

    In: Stroke, Vol. 32, 2001, p. 1140-1146.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  322. Published

    [14C]Serotonin uptake and [O-methyl-11C]venlafaxine kinetics in porcine brain. / Smith, D F; Hansen, Søren Baarsgaard; Østergaard, L; Gee, A D; Danielsen, E; Ishizu, K; Bender, D; Poulsen, P H; Gjedde, A.

    In: Nuclear Medicine and Biology, Vol. 28, No. 6, 2001, p. 633-8.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  323. 2000
  324. Published

    Assessment of regional cerebral blood flow by dynamic susceptibility contrast MRI using different deconvolution techniques. / Wirestam, R.; Andersson, L.; Østergaard, Leif; Bolling, M.; Aunola, J.; Lindgren, A.; Geijer, B.; Holtås, S.; Ståhlberg, F.

    In: Magnetic Resonance in Medicine, Vol. 43, No. 5, 2000, p. 691-700.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  325. Published

    Cerebral Hemodynamics in Human Acute Ischemic Stroke : A Study with Diffusion- and Perfusion-Weighted Magnetic Resonance Imaging and SPECT. / Liu, Y.; Karonen, J.O.; Vanninen, R.L.; Østergaard, Leif; Roivainen, R.; Nuutinen, J.; Perkiö, J.P.; Könönen, M.; Hämäläinen, A.; Vanninen, E.J.; Soimakallio, S.; Kuikka, J.T.; Aronen, H.J.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 20, No. 6, 2000, p. 910-920.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  326. Published

    Cerebral blood flow and blood volume measured by magnetic resonance imaging bolus tracking after acute stroke in pigs: comparison with [(15)O]H(2)O positron emission tomography. / Sakoh, M; Røhl, L; Gyldensted, C; Gjedde, A; Østergaard, Leif.

    In: Stroke, Vol. 31, No. 8, 2000, p. 1958-64.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  327. Published

    Cerebral blood flow in volunteers measured by PET and Xe CT/CBF : A comparison. / Bergholt, Bo; Østergaard, Leif; Oettingen, Gorm von; Johannsen, P.; Poulsen, P.H.; Bundgaard, H.; Asboe, H.; Cold, Georg; Gjedde, Albert; Gyldensted, C.; Astrup, Jens.

    In: Keio Journal of Medicine, Vol. 49, No. Suppl 1, 2000, p. 55-57.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  328. Published

    Cerebral hemodynamics in CADASIL before and after acetazolamide challenge assessed with MRI bolus tracking. / Chabriat, H; Pappata, S; Østergaard, Leif; Clark, C A; Pachot-Clouard, M; Vahedi, K; Jobert, A; Le Bihan, D; Bousser, M G.

    In: Stroke, Vol. 31, No. 8, 2000, p. 1904-12.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  329. Published

    Combined diffusion-weighted and perfusion-weighted flow heterogeneity magnetic resonance imaging in acute stroke. / Østergaard, Leif; Sorensen, A G; Chesler, D A; Weisskoff, R M; Koroshetz, W J; Wu, O; Gyldensted, C; Rosen, B R.

    In: Stroke, Vol. 31, No. 5, 2000, p. 1097-103.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  330. Published

    Combined perfusion- and diffusion-weighted MR imaging in acute ischemic stroke during the 1st week : a longitudinal study. / Karonen, J O; Liu, Y; Vanninen, R L; Østergaard, Leif; Kaarina Partanen, P L; Vainio, P A; Vanninen, E J; Nuutinen, J; Roivainen, R; Soimakallio, S; Kuikka, J T; Aronen, H J.

    In: Radiology, Vol. 217, No. 3, 2000, p. 886-94.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  331. Published

    Comparison of Gd-DTPA BMA and NC100150 Enhancement Patterns in C3H Mammary Carcinoma Bearing Mice. / Østergaard, Leif; Vestergaard-Poulsen, Peter; Bentzen, Lise Nørgaard; Horsman, M.R.; Overgaard, Jens; Bjørnerud, A.; Briley-Sæbø, K.; Gyldensted, C.

    Proc. Intl. Sot. Mag. Reson. Med. 8. 2000. p. 2019-2019.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  332. Published

    Comparison of gradient- and spin-echo imaging: CBF, CBV, and MTT measurements by bolus tracking. / Simonsen, Claus Ziegler; Østergaard, Leif; Smith, D F; Vestergaard-Poulsen, P; Gyldensted, C.

    In: Journal of Magnetic Resonance Imaging, Vol. 12, No. 3, 2000, p. 411-6.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  333. Published

    Determination of Cerebral Blood Volume and Mean Transit Time by Dynamic Contrast Enhanced MR Imaging in Patients with Acute Stroke : A Comparison of Four Post Processing Methods. / Perkiö, J.; Aronen, H.J.; Karonen, J.; Liu, Y.; Savolainen, S.; Østergaard, Leif.

    Proc. Intl. Sot. Mag. Reson. Med. 8. 2000. p. 527-527.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  334. Published

    Dynamic MR Bolus Tracking in Hyperacute Stroke : Comparison with Diffusion Weighted MR Imaging. / Perkiö, J.; Soinne, L.; Østergaard, Leif; Tatlisumak, T.; Kangsmäki, A.; Helenius, J.; Martinkauppi, S.; Salonen, O.; Savolainen, S.; Kaste, M.; Aronen, H.J.

    Proc. Intl. Soc. Mag. Reson. Med. 8. 2000. p. 450-450.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  335. Published

    Human Cerebral Blood Flow Maps Improve with Higher Concentration of Contrast Agent. / Benner, T.; Tombach, B.; Synnott, J.P.; Schuierer, G.; Reimer, P.; Geens, V.; Østergaard, Leif; Sorensen, A.G.

    ISMRM 8th Scientific Meeting & Exhibition - Proceedings. 2000.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  336. Published

    MR Residue Detection: Modeling Cerebral Blood Flow and Flow Heterogeneity : With Special Reference to Acute Stroke. / Østergaard, Leif.

    Aarhus : Faculty of Health Sciences, Aarhus University, 2000. 30 p.

    Research output: Book/anthology/dissertation/reportDoctoral thesis

  337. Published

    Methodological Aspects of Cerebral Blood Flow Measurements : With Special Reference to Monitoring Anti-Edema Drug Action in Brain Tumor Patients. / Østergaard, Leif.

    Aarhus : Faculty of Health Sciences, Aarhus University, 2000. 24 p.

    Research output: Book/anthology/dissertation/reportPh.D. thesis

  338. Published

    NC100150 Enhanced Imaging Offers the Possibility to Monitor Pharmacological Modification of Tumor Blood Flow and Blood Volume in Experimental Tumors in Mice. / Bentzen, Lise Nørgaard; Vestergaard-Poulsen, Peter; Horsman, M.R.; Overgaard, Jens; Bjørnerud, A.; Briley-Sæbø, K.; Gyldensted, C.; Østergaard, Leif.

    ISMRM 8th Scientific Meeting & Exhibition - Proceedings. 2000. 2030.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedings

  339. Published

    Pulmonary function affects the quantification of rCBF by non-invasive xenon methods. / von Oettingen, G; Bergholt, B; Rasmussen, M; Østergaard, Leif; Astrup, J.

    In: Journal of Neuroscience Methods, Vol. 95, No. 2, 2000, p. 159-69.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  340. Published

    Quantification of Cerebral Blood Flow by Using Bolus Tracking and Artery Spin Tagging Methods. / Li, T-Q.; Chen, Z.G.; Østergaard, Leif; Hindmarsh, T.; Moseley, M.E.

    In: Magnetic Resonance Imaging, Vol. 18, No. 5, 2000, p. 503-512.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  341. Published

    Quantitative perfusion imaging in carotid artery stenosis using dynamic susceptibility contrast-enhanced magnetic resonance imaging. / Lythgoe, D J; Østergaard, Leif; William, S C; Cluckie, A; Buxton-Thomas, M; Simmons, A; Markus, H S.

    In: Magnetic Resonance Imaging, Vol. 18, No. 1, 2000, p. 1-11.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  342. Published

    Reduced cerebral blood flow in white matter in ischaemic leukoaraiosis demonstrated using quantitative exogenous contrast based perfusion MRI. / Markus, H.S.; Lythgoe, D.; Østergaard, Leif; O'Sullivan, M.; Williams, S.C.R.

    In: Journal of Neurology, Neurosurgery and Psychiatry, Vol. 69, No. 1, 2000, p. 48-53.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  343. Published

    Regional cerebral blood flow distributions in normal volunteers: dynamic susceptibility contrast MRI compared with 99mTc-HMPAO SPECT. / Wirestam, R; Ryding, E; Lindgren, A; Geijer, B; Østergaard, Leif; Andersson, L; Holtås, S; Ståhlberg, F.

    In: Journal of Computer Assisted Tomography, Vol. 24, No. 4, 2000, p. 526-30.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  344. Published
  345. Published

    The DaNeX Study of Embryonic Mesencephalic Dopaminergic Tissue Grafted to a Minipig model of Parkinson's disease : Preliminary Findings of Effect of MPTP-Poisoning on Striatal Dopaminergic Markers. / Danielsen, Erik Hvid; Cumming, Paul; Andersen, Flemming; Bender, Dirk; Brevig, T.; Falborg, Lise; Gee, A.; Gillings, N.M.; Hansen, S.B.; Hermansen, F.; Johansen, J.; Johansen, T.E.; Dahl-Jørgensen, A.; Jørgensen, H.A.; Meyer, M.; Munk, Ole Lajord; Pedersen, E.B.; Poulsen, P.H.; Rodell, A.B.; Sakoh, M.; Simonsen, Claus Ziegler; Smith, Donald F.; Sørensen, J.C.; Østergaard, Leif; Zimmer, J.; Gjedde, Albert; Møller, Arne.

    In: Cell Transplantation, Vol. 9, No. 2, 2000, p. 247-259.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  346. Published

    The influence of the input function on quantitative rCBF by the Xe/CT method. / Oettingen, Gorm von; Bergholt, Bo; Østergaard, Leif; Rasmussen, Mads; Gyldensted, Carsten; Astrup, Jens.

    In: Keio Journal of Medicine, Vol. 49, No. Suppl 1, 2000, p. 11-15.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference article

  347. Published

    Viability Thresholds of the Penumbra of Acute Human Ischemic Stroke Defined from rCBF and rCBV. / Røhl, Lisbeth; Østergaard, Leif; Simonsen, Claus Ziegler; Vestergaard-Poulsen, Peter; Andersen, Grethe; Le Bihan, D.; Gyldensted, Carsten.

    In: Proc ISMRM, 2000, p. 452-452.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  348. Published

    Xenon CT cerebral blood flow in patients with head injury: influence of pulmonary trauma on the input function. / von Oettingen, G; Bergholt, Bo; Østergaard, Leif; Jensen, Lars Christian; Gyldensted, C; Astrup, Jens.

    In: Neuroradiology, Vol. 42, No. 3, 2000, p. 168-73.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  349. 1999
  350. Published

    An evaluation of the time dependence of the anisotropy of the water diffusion tensor in acute human ischemia. / Zelaya, F; Flood, N; Chalk, J B; Wang, D; Doddrell, D M; Strugnell, W; Benson, M; Østergaard, Leif; Semple, J; Eagle, S.

    In: Magnetic Resonance Imaging, Vol. 17, No. 3, 1999, p. 331-48.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  351. Published

    CBF and CBV measurements by USPIO bolus tracking: reproducibility and comparison with Gd-based values. / Simonsen, Claus Ziegler; Østergaard, Leif; Vestergaard-Poulsen, P; Røhl, L; Bjørnerud, A; Gyldensted, C.

    In: Journal of Magnetic Resonance Imaging, Vol. 9, No. 2, 1999, p. 342-7.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  352. Published

    Combined diffusion and perfusion MRI with correlation to single-photon emission CT in acute ischemic stroke. Ischemic penumbra predicts infarct growth. / Karonen, J O; Vanninen, R L; Liu, Y; Østergaard, Leif; Kuikka, J T; Nuutinen, J; Vanninen, E J; Partanen, P L; Vainio, P A; Korhonen, K; Perkiö, J; Roivainen, R; Sivenius, J; Aronen, H J.

    In: Stroke, Vol. 30, No. 8, 1999, p. 1583-90.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  353. Published

    Early changes measured by magnetic resonance imaging in cerebral blood flow, blood volume, and blood-brain barrier permeability following dexamethasone treatment in patients with brain tumors. / Østergaard, Leif; Hochberg, F H; Rabinov, J D; Sorensen, A G; Lev, M; Kim, L; Weisskoff, R M; Gonzalez, R G; Gyldensted, C; Rosen, B R.

    In: Journal of Neurosurgery, Vol. 90, No. 2, 1999, p. 300-5.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  354. Published

    Hyperacute stroke: simultaneous measurement of relative cerebral blood volume, relative cerebral blood flow, and mean tissue transit time. / Sorensen, A G; Copen, W A; Østergaard, Leif; Buonanno, F S; Gonzalez, R G; Rordorf, G; Rosen, B R; Schwamm, L H; Weisskoff, R M; Koroshetz, W J.

    In: Radiology, Vol. 210, No. 2, 1999, p. 519-27.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  355. Published

    Modeling cerebral blood flow and flow heterogeneity from magnetic resonance residue data. / Østergaard, Leif; Chesler, D A; Weisskoff, R M; Sorensen, A G; Rosen, B R.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 19, No. 6, 1999, p. 690-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  356. Published

    NC100150-enhanced 3D-SPGR MR angiography of the common carotid artery in a pig vascular stenosis model : Quantification of stenosis and dose optimization. / Røhl, L; Østergaard, Leif; Simonsen, Claus Ziegler; Vestergaard-Poulsen, P; Sørensen, L; Bjørnerud, A; Saebø, K B; Gyldensted, C.

    In: Acta Radiologica, Vol. 40, No. 3, 1999, p. 282-90.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  357. Published

    On the oxygenation of hemoglobin in the human brain. / Gjedde, A; Poulsen, P H; Østergaard, Leif.

    Oxygen Transport to Tissue XXI. ed. / Andras Eke; David T Delpy. Vol. 471 Springer Publishing Company, 1999. p. 67-81.

    Research output: Contribution to book/anthology/report/proceedingBook chapter

  358. Published

    Perfusion weighted imaging during migraine : spontaneous visual aura and headache. / Sanchez del Rio, M; Bakker, D; Wu, O; Agosti, R; Mitsikostas, D D; Østergaard, Leif; Wells, W A; Rosen, B R; Sorensen, G; Moskowitz, M A; Cutrer, F M.

    In: Cephalalgia, Vol. 19, No. 8, 1999, p. 701-7.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  359. 1998
  360. Published

    Absolute cerebral blood flow and blood volume measured by magnetic resonance imaging bolus tracking: comparison with positron emission tomography values. / Østergaard, Leif; Smith, D F; Vestergaard-Poulsen, Peter; Hansen, Søren Baarsgaard; Gee, A D; Gjedde, A; Gyldensted, C.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 18, No. 4, 1998, p. 425-32.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  361. Published

    Cerebral blood flow measurements by magnetic resonance imaging bolus tracking: comparison with [(15)O]H2O positron emission tomography in humans. / Østergaard, Leif; Johannsen, P; Høst-Poulsen, P; Vestergaard-Poulsen, P; Asboe, H; Gee, A D; Hansen, Søren Baarsgaard; Cold, G E; Gjedde, A; Gyldensted, C.

    In: Journal of Cerebral Blood Flow and Metabolism, Vol. 18, No. 9, 1998, p. 935-40.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  362. Published

    Perfusion-weighted imaging defects during spontaneous migrainous aura. / Cutrer, F M; Sorensen, A G; Weisskoff, R M; Østergaard, Leif; Sanchez del Rio, M; Lee, E J; Rosen, B R; Moskowitz, M A.

    In: Annals of Neurology, Vol. 43, No. 1, 1998, p. 25-31.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  363. 1997
  364. Published

    Contrast agents in functional MR imaging. / Sorensen, A G; Tievsky, A L; Østergaard, Leif; Weisskoff, R M; Rosen, B R.

    In: Journal of Magnetic Resonance Imaging, Vol. 7, No. 1, 1997, p. 47-55.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  365. Published

    In vivo estimation of cerebral blood flow, oxygen consumption and glucose metabolism in the pig by [15O]water injection, [15O]oxygen inhalation and dual injections of [18F]fluorodeoxyglucose. / Poulsen, Peter Høst; Smith, D F; Østergaard, Leif; Danielsen, Erik Hvid; Gee, A; Hansen, Søren Baarsgaard; Astrup, Jens; Gjedde, Albert.

    In: Journal of Neuroscience Methods, Vol. 77, No. 2, 1997, p. 199-209.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  366. 1996
  367. Published

    High resolution measurement of cerebral blood flow using intravascular tracer bolus passages. Part I: Mathematical approach and statistical analysis. / Østergaard, Leif; Weisskoff, R M; Chesler, D A; Gyldensted, C; Rosen, B R.

    In: Magnetic Resonance in Medicine, Vol. 36, No. 5, 1996, p. 715-25.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  368. Published

    High resolution measurement of cerebral blood flow using intravascular tracer bolus passages. Part II: Experimental comparison and preliminary results. / Østergaard, Leif; Sorensen, A G; Kwong, K K; Weisskoff, R M; Gyldensted, C; Rosen, B R.

    In: Magnetic Resonance in Medicine, Vol. 36, No. 5, 1996, p. 726-36.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article

  369. 1995
  370. Published

    MR perfusion studies with T1-weighted echo planar imaging. / Kwong, K K; Chesler, D A; Weisskoff, R M; Donahue, K M; Davis, T L; Østergaard, Leif; Campbell, T A; Rosen, B R.

    In: Magnetic Resonance in Medicine, Vol. 34, No. 6, 1995, p. 878-87.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal article