Leif Østergaard

  1. Journal article
  2. 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 articleResearchpeer-review

  3. 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 articleResearchpeer-review

  4. 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 articleResearchpeer-review

  5. 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 articleResearchpeer-review

  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 articleResearchpeer-review

  7. 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 articleResearchpeer-review

  8. 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 articleResearchpeer-review

  9. 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 articleResearchpeer-review

  10. E-pub ahead of print

    The effect of carotid artery stenting on capillary transit time heterogeneity in patients with carotid artery stenosis. / Arsava, Ethem M; Hansen, Mikkel Bo; Kaplan, Berkan; Peker, Ahmet; Gocmen, Rahsan; Arat, Anil; Oguz, Kader K; Topcuoglu, Mehmet A; Østergaard, Leif; Dalkara, Turgay.

    In: European Stroke Journal, 26.04.2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  11. 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 articleResearchpeer-review

  12. 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 articleResearchpeer-review

  13. 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 articleResearchpeer-review

  14. Published

    Stroke infarct volume estimation in fixed tissue : Comparison of diffusion kurtosis imaging to diffusion weighted imaging and histology in a rodent MCAO model. / Bay, Vibeke; Kjølby, Birgitte F; Iversen, Nina K; Mikkelsen, Irene K; Ardalan, Maryam; Nyengaard, Jens R; Jespersen, Sune N; Drasbek, Kim R; Østergaard, Leif; Hansen, Brian.

    In: PloS one, Vol. 13, No. 4, 26.04.2018, p. e0196161.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  15. 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 articleResearchpeer-review

  16. 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 articleResearch

  17. 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 articleResearchpeer-review

  18. 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 articleResearch

  19. 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 articleResearchpeer-review

  20. 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 articleResearchpeer-review

  21. 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 articleResearchpeer-review

  22. 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 articleResearchpeer-review

  23. 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 articleResearchpeer-review

  24. 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 articleResearchpeer-review

  25. 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 articleResearchpeer-review

  26. 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 articleResearchpeer-review

  27. 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 articleResearchpeer-review

  28. 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 articleResearchpeer-review

  29. 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 articleResearchpeer-review

  30. 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 articleResearchpeer-review

  31. 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 articleResearchpeer-review

  32. 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 articleResearchpeer-review

  33. 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 articleResearchpeer-review

  34. 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 articleResearchpeer-review

  35. 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 articleResearchpeer-review

  36. 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 articleResearchpeer-review

  37. 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 articleResearchpeer-review

  38. 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 articleResearchpeer-review

  39. 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 articleResearchpeer-review

  40. 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 articleResearchpeer-review

  41. 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 articleResearchpeer-review

  42. 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 articleResearchpeer-review

  43. 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 articleResearchpeer-review

  44. 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 articleResearchpeer-review

  45. 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 articleResearchpeer-review

  46. 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 articleResearchpeer-review

  47. 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 articleResearchpeer-review

  48. 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 articleResearchpeer-review

  49. 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 articleResearchpeer-review

  50. 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 articleResearchpeer-review

  51. 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 articleResearchpeer-review

  52. 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 articleResearchpeer-review

  53. 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 articleResearchpeer-review

  54. 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 articleResearchpeer-review

  55. 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 articleResearchpeer-review

  56. 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 articleResearchpeer-review

  57. 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 articleResearchpeer-review

  58. 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 articleResearchpeer-review

  59. 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 articleResearchpeer-review

  60. 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 articleResearchpeer-review

  61. 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 articleResearchpeer-review

  62. 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 articleResearchpeer-review

  63. 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; Eskildsen, Simon F; Østergaard, Leif; Jespersen, Sune N.

    In: NMR in Biomedicine, Vol. 30, No. 9, e3741, 09.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  64. 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 articleResearch

  65. 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 articleResearch

  66. 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 articleResearchpeer-review

  67. 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 articleResearchpeer-review

  68. 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 articleResearchpeer-review

  69. 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 articleResearchpeer-review

  70. 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 articleResearchpeer-review

  71. 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 articleResearchpeer-review

  72. 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 articleResearchpeer-review

  73. 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 articleResearchpeer-review

  74. 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 articleResearchpeer-review

  75. 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 articleResearchpeer-review

  76. 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 articleResearchpeer-review

  77. 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 articleResearchpeer-review

  78. 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 articleResearchpeer-review

  79. 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 articleResearchpeer-review

  80. 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 articleResearchpeer-review

  81. 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 articleResearchpeer-review

  82. 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 articleResearchpeer-review

  83. 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 articleResearchpeer-review

  84. 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 articleResearchpeer-review

  85. 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 articleResearchpeer-review

  86. Published

    Effect of ephedrine and phenylephrine on brain oxygenation and microcirculation in anaesthetised patients with cerebral tumours : study protocol for a randomised controlled trial. / Koch, Klaus Ulrik; Tietze, Anna; Aanerud, Joel; Öettingen, Gorm von; Juul, Niels; Sørensen, Jens Christian Hedemann; Nikolajsen, Lone; Østergaard, Leif; Rasmussen, Mads.

    In: BMJ open, Vol. 7, No. 11, e018560, 17.11.2017.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  87. 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 articleResearchpeer-review

  88. 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 articleResearchpeer-review

  89. 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 articleResearchpeer-review

  90. 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 articleResearchpeer-review

  91. 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 articleResearchpeer-review

  92. 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 articleResearchpeer-review

  93. 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 articleResearchpeer-review

  94. 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 articleResearchpeer-review

  95. 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 articleResearchpeer-review

  96. 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 articleResearchpeer-review

  97. 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 articleResearchpeer-review

  98. 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 articleResearchpeer-review

  99. 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 articleResearchpeer-review

  100. 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 articleResearchpeer-review

  101. 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 articleResearchpeer-review

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