Aarhus University Seal / Aarhus Universitets segl

Peter Johansen

  1. 2020
  2. E-pub ahead of print

    Correction to : Left atrial appendage occlusion with the Amulet device: to tug or not to tug? / Salmon, Mandy K; Hammer, Karen Eich; Nygaard, Jens Vinge; Korsholm, Kasper; Johansen, Peter; Nielsen-Kudsk, Jens Erik.

    In: Journal of Interventional Cardiac Electrophysiology, 31.07.2020.

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

  3. E-pub ahead of print

    Seizure detection using heart rate variability : A prospective validation study. / Jeppesen, Jesper; Fuglsang-Frederiksen, Anders; Johansen, Peter; Christensen, Jakob; Wüstenhagen, Stephan; Tankisi, Hatice; Qerama, Erisela; Beniczky, Sándor.

    In: Epilepsia, 2020.

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

  4. 2019
  5. Published

    In response: Heart rate differential method simple but inefficient method for seizure detection. / Jeppesen, Jesper; Johansen, Peter; Beniczky, Sándor.

    In: Epilepsia, Vol. 60, No. 12, 12.2019, p. 2532.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperComment/debateResearchpeer-review

  6. Published

    Seizure detection based on heart rate variability using a wearable electrocardiography device. / Jeppesen, Jesper; Fuglsang-Frederiksen, Anders; Johansen, Peter; Christensen, Jakob; Wüstenhagen, Stephan; Tankisi, Hatice; Qerama, Erisela; Hess, Alexander; Beniczky, Sándor.

    In: Epilepsia, Vol. 60, No. 10, 10.2019, p. 2105-2113.

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

  7. Published

    O-45 Automated seizure detection for epilepsy patients using wearable ECG-device. / Jeppesen, Jesper; Fuglsang-Frederiksen, Anders; Johansen, Peter; Christensen, Jakob; Wüstenhagen, Stephan; Tankisi, Hatice; Qerama, Erisela; Hess, Alexander; Beniczky, Sándor.

    In: Clinical Neurophysiology, Vol. 130, No. 7, 01.07.2019, p. e36.

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

  8. Published

    Characterization of The Regional Loss and Storage Moduli in Different Segments of The Thoracic Aorta. / Noor, Mariam Abdi; Nygaard, Jens Vinge; Hasenkam, J. Michael; Johansen, Peter.

    2019. Abstract from 37th Annual Meeting. Danish Society for Biomedical Engineering., København, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  9. Published

    Ny dansk hjerteklapbehandling. / Johansen, Peter.

    In: Medicoteknik, Vol. 3, No. 6, 05.2019, p. 12-13.

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

  10. Published

    In-vitro and in-vivo evaluation of a novel bioprosthetic pulmonary valve for use in congenital heart surgery. / Rasmussen, Jonas; Skov, Søren Nielsen; Nielsen, Ditte Bruus; Jensen, Ida Lindhardt; Tjørnild, Marcell Juan; Johansen, Peter; Hjortdal, Vibeke E.

    In: Journal of Cardiothoracic Surgery, Vol. 14, No. 1, 6, 01.2019.

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

  11. Published

    A new pulmonary valve repair technique for congenital heart surgery: in vitro evaluation. / Carlson Hanse, Lisa; Tjørnild, Marcell Juan; Johansen, Peter; Lugones, Ignacio; Hjortdal, Vibeke E.

    2019. Abstract from 29th Annual Meeting SSRCTS, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  12. Published

    Biomechanical characterization and comparison of different aortic root surgical techniques. / Bechsgaard, Tommy; Lindskow, Thomas; Lading, Troels; Røpcke, Diana M; Nygaard, Hans; Johansen, Peter; Nielsen, Sten L; Hasenkam, J Michael.

    In: Interactive Cardiovascular and Thoracic Surgery, Vol. 28, No. 1, 2019, p. 112-119.

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

  13. Published

    Biomechanical characterization of the regional loss and storage moduli of the thoracic aorta. / Noor, Mariam Abdi; Nygaard, Jens Vinge; Hasenkam, J. Michael; Johansen, Peter.

    2019. Abstract from 29th Annual Meeting SSRCTS, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  14. Published

    Left Atrial Appendage Occlusion: To Tug or Not To Tug? / Salmon, Mandy Kerry; Hammer, Karen Eich; Johansen, Peter; Nielsen-Kudsk, Jens Erik.

    2019. Poster session presented at EuroPCR in Interventional Cardiovascular Medicine, Paris, France.

    Research output: Contribution to conferencePosterResearchpeer-review

  15. Submitted
  16. 2018
  17. Published

    Frequency Dependant Viscoelastic Properties of different Regions of Aorta. / Noor, Mariam Abdi; Nygaard, Jens Vinge; Johansen, Peter; Hasenkam, J. Michael.

    2018. Poster session presented at 36th Annual Meeting. Danish Society for Biomedical Engineering, Vingsted, Denmark.

    Research output: Contribution to conferencePosterResearchpeer-review

  18. Published

    Biomechanical characterization of the native porcine aortic root. / Bechsgaard, T; Lindskow, Thomas; Lading, Troels; Hasenkam, J M; Nygaard, H; Johansen, P; L Nielsen, S.

    In: Journal of Biomechanics, Vol. 74, 06.06.2018, p. 156-162.

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

  19. Published

    Automated R-Peak Detection Algorithm for Patients with Epilepsy Using Portable ECG. / Jeppesen, Jesper; Beniczky, Sándor; Johansen, Peter; Christensen, Jakob; Fuglsang-Frederiksen, Anders.

    In: Clinical Neurophysiology, Vol. 129, No. Supplement 1, F117, 10.05.2018, p. e134-135.

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

  20. Published

    Biomechanical in vitro assessment of the porcine aortic root. / Salvig, Camilla Dalby; Benhassen, Leila Louise; Nygaard, Jens Vinge; Johansen, Peter; Skov, Søren Nielsen; Hasenkam, J. Michael.

    2018. Poster session presented at 28th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferencePosterResearchpeer-review

  21. Published

    Comparison of Dacron ring and suture annuloplasty for aortic root repair - an in vitro evaluation. / Sharghbin, Mona; Benhassen, Leila Louise; Lading, Troels ; Bechsgaard, Tommy Kragh; Skov, Søren Nielsen; Lyager, Diana Mathilde Røpcke; Nielsen, Sten Lyager; Johansen, Peter; Hasenkam, J. Michael.

    2018. Abstract from 28th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  22. Published

    Comparison of the Dacron ring and suture annuloplasty for aortic root repair : an in vitro evaluation. / Sharghbin, Mona; Benhassen, Leila L; Lading, Troels; Bechsgaard, Tommy; Nielsen Skov, Søren; Røpcke, Diana M; Lyager Nielsen, Sten; Hasenkam, J Michael; Johansen, Peter.

    In: Interactive Cardiovascular and Thoracic Surgery, Vol. 27, No. 6, 2018, p. 819-827.

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

  23. Published

    Comparison of valve-sparing aortic root repair techniques with single and double annuloplasty rings. / Hedensted, Jacob Hesselby; Benhassen, Leila Louise; Bechsgaard, Tommy Kragh; Johansen, Peter; Nielsen, Sten Lyager; Hasenkam, J. Michael.

    2018. Abstract from 28th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  24. Published

    Compromised sinus of valsalva flow and transcatheter aortic valve thrombosis. / Nielsen-Kudsk, Mette Hammer; Ralfs, Finja Jette; Kim, Won Yong; Ringgaard, Steffen; Nielsen-Kudsk, Jens Erik; Johansen, Peter.

    2018. Poster session presented at 28th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferencePosterResearchpeer-review

  25. Published

    FEM methods for identification of constitutive parameters of the aortic root through reverse engineering. / Marelli, Laura; Votta, E. ; Selmi, M.; Ringgaard, Steffen; Benhassen, Leila Louise; Kim, Won Yong; Johansen, Peter.

    2018. Poster session presented at 28th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferencePosterResearchpeer-review

  26. Published

    Shed-blood-separation and cell-saver : an integral Part of MiECC? Shed-blood-separation and its influence on the perioperative inflammatory response during coronary revascularization with minimal invasive extracorporeal circulation systems - a randomized controlled trial. / Bauer, Adrian; Hausmann, Harald; Schaarschmidt, Jan; Scharpenberg, Martin; Troitzsch, Dirk; Johansen, Peter; Nygaard, Hans; Eberle, Thomas; Michael Hasenkam, J.

    In: Perfusion, Vol. 33, No. 2, 2018, p. 136-147.

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

  27. Published

    The functional effect of left atrial appendage occlusion. / Ralfs, Finja Jette; Nielsen-Kudsk, Mette Hammer; Nielsen-Kudsk, Jens Erik; Johansen, Peter.

    2018. Poster session presented at 28th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferencePosterResearchpeer-review

  28. 2017
  29. Published

    Fully automated R-peak detection algorithm for patients with epilepsy: first step towards portable seizure detector. / Jeppesen, Jesper; Beniczky, Sándor; Johansen, Peter; Sidenius, Per Christian; Fuglsang-Frederiksen, Anders.

    In: Clinical Neurophysiology, Vol. 128, No. 9, 09.2017, p. e282.

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

  30. Published

    Adding annuloplasty ring to remodeling aortic valve sparing repair is equal to reimplantation technique - insights from in vitro stress-strain characterization. / Lading, Troels ; Lindskow, Thomas; Bechsgaard, Tommy Kragh; Lyager, Diana Mathilde Røpcke; Johansen, Peter; Nielsen, Sten Lyager.

    2017. Abstract from HVS Scientific Meeting, Monaco, Monaco.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  31. Published

    Biomechanical assessment of the aortic root using novel force transducers. / Bechsgaard, Tommy Kragh; Hønge, Jesper Langhoff; Nygaard, Hans; Nielsen, Sten Lyager; Johansen, Peter.

    In: Journal of Biomechanics, Vol. 61, 2017, p. 58-64.

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

  32. Published

    Comparison of aortic valve repair techniques with different subvalvular annuloplasties - an in vitro evaluation. / Sharghbin, Mona; Benhassen, Leila Louise; Bechsgaard, Tommy Kragh; Lyager, Diana Mathilde Røpcke; Johansen, Peter; Nielsen, Sten Lyager.

    2017. Poster session presented at Aarhus University Graduate School of Health, PhD Day 2017, Aarhus, Denmark.

    Research output: Contribution to conferencePosterResearchpeer-review

  33. Published

    Comparison of valve-sparing aortic root repair techniques with single and double annuloplasty rings. / Hedensted, Jacob Hesselby; Benhassen, Leila Louise; Lyager, Diana Mathilde Røpcke; Bechsgaard, Tommy Kragh; Johansen, Peter; Nielsen, Sten Lyager.

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

    Research output: Contribution to conferencePosterResearchpeer-review

  34. Published

    Fracturing mechanics before valve-in-valve therapy of small aortic bioprosthetic heart valves. / Johansen, Peter; Engholt, Henrik; Tang, Mariann; Nybo, Rasmus F; Rasmussen, Per D; Nielsen-Kudsk, Jens Erik.

    In: EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology, Vol. 13, No. 9, 2017, p. e1026-e1031.

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

  35. Published

    Fracturing surgical bioprosthetic heart valves by high-pressure balloon dilatation in-vitro. / Engholt, Henrik; Rasmussen, Per Dahl; Tang, Mariann; Nielsen-Kudsk, Jens Erik; Johansen, Peter.

    2017. Abstract from 27th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  36. Published

    Geometric comparison of repair procedures for the aortic root, an in vivo experiment. / Bechsgaard, Tommy Kragh; Lindskow, Thomas; Lading, Troels ; Lyager, Diana Mathilde Røpcke; Nygaard, Hans; Johansen, Peter; Nielsen, Sten Lyager.

    2017. Poster session presented at Aarhus University Graduate School of Health, PhD Day 2017, Aarhus, Denmark.

    Research output: Contribution to conferencePosterResearchpeer-review

  37. Published

    How can we secure continuous recruitment of biomedical engineers in cardiovascular research. / Johansen, Peter.

    2017. Abstract from 27th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  38. Published

    Mapping of catheter tug forces during left atrial appendage occlusion. / Nybo, Rasmus F.; Nielsen-Kudsk, Jens Erik; Johansen, Peter.

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

    Research output: Contribution to conferencePosterResearchpeer-review

  39. Published

    New implantable force transducer for the aortic annulus. / Bechsgaard, Tommy Kragh; Nygaard, Hans; Nielsen, Sten Lyager; Johansen, Peter.

    2017. Poster session presented at SB3C Summer Biomechanics, Bioengineering and Biotransport Conference, Tucson, United States.

    Research output: Contribution to conferencePosterResearchpeer-review

  40. Published

    The effects of the aortic root on the fracturing pressure of bioprosthetic heart valves. / Rasmussen, Per Dahl; Engholt, Henrik; Benhassen, Leila Louise; Tang, Mariann; Andersen, Henning Rud; Nielsen-Kudsk, Jens Erik; Johansen, Peter.

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

    Research output: Contribution to conferencePosterResearchpeer-review

  41. Published

    Three-dimensional optical strain measurements on mitral valve anterior leaflet. / Noor, Mariam Abdi; Skov, Søren Nielsen; Johansen, Peter.

    2017. Abstract from 27th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  42. 2016
  43. Published

    Comparing maximum autonomic activity of psychogenic non-epileptic seizures and epileptic seizures using heart rate variability. / Jeppesen, Jesper; Beniczky, Sándor; Johansen, Peter; Sidenius, Per Christian; Fuglsang-Frederiksen, Anders.

    In: Seizure - European Journal of Epilepsy, Vol. 37, 04.2016, p. 13-19.

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

  44. Published

    A Novel Method for Optical High Spatiotemporal Strain Analysis for Transcatheter Aortic Valves In Vitro. / Heide-Jørgensen, Simon; Kumaran Krishna, Sellaswasmy; Taborsky, Jonas; Bechsgaard, Tommy Kragh; Zegdi, Rachid; Johansen, Peter.

    In: Journal of Biomechanical Engineering, Vol. 138, No. 3, 034504, 01.03.2016.

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

  45. Published

    Detecting epileptic seizures with ECG using geometric analyses of heart rate variability. / Jeppesen, Jesper; Beniczky, Sándor; Johansen, Peter; Sidenius, Per Christian; Fuglsang-Frederiksen, Anders.

    2016. Abstract from 26th Annual Scientific Meeting of the SSRCTS, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  46. Published

    A novel cormatrix pulmonary valve - initial in-vivo experience. / Rasmussen, Jonas; Skov, Søren Nielsen; Tjørnild, Marcell Juan; Nielsen, Ditte B.; Jensen, Ida L.; Johansen, Peter; Hjortdal, Vibeke E.

    2016. Abstract from 26th Annual Meeting SSRCTS, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  47. Published

    Biomechanical description of the aortic root repair techniques - with supporting external annuloplasty. / Lading, Troels ; Lindskow, Thomas; Bechsgaard, Tommy Kragh; Røpcke, Diana Mathilde; Nygaard, Hans; Hasenkam, J. Michael; Johansen, Peter; Nielsen, Sten Lyager.

    2016. Abstract from 26th Annual Meeting SSRCTS, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  48. Published

    Development of a new Heart valve prosthesis concept for pediatric cardiac surgery. / Jensen, Morten Bjørn; Smerup, Morten Holdgaard; Johansen, Peter.

    2016. Abstract from 26th Annual Meeting SSRCTS, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  49. Published

    Establishing guidelines for valve-in-valve therapy predilatation stent fracturing. / Johansen, Peter; Tang, Mariann; Andersen, Henning Rud; Nielsen-Kudsk, Jens Erik.

    2016. Abstract from 26th Annual Meeting SSRCTS, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  50. Published

    Geometric comparison of aortic root repair procedures, an in vivo experiment. / Bechsgaard, Tommy Kragh; Lindskow, Thomas; Lading, Troels ; Rasmussen, Jonas; Røpcke, Diana Mathilde; Tjørnild, Marcell Juan; Nygaard, Hans; Johansen, Peter; Nielsen, Sten Lyager.

    2016. Abstract from 26th Annual Meeting SSRCTS, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  51. Published

    Optimization of an in vitro model for Heart valve research. / Khalipina, Diana; Johansen, Peter.

    2016. Poster session presented at 26th Annual Meeting SSRCTS, Geilo, Norway.

    Research output: Contribution to conferencePosterResearchpeer-review

  52. Published

    Optimization of mechanical heart valve cavitation detection. / Krishna, S K; Weng, P; Johansen, Peter.

    2016. Abstract from 26th Annual Meeting SSRCTS, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  53. Published

    The effect of the aortic valve orientation on cavitation. / Johansen, Peter; Travis, Brandon Reed; Smerup, Morten Holdgaard; Christensen, Thomas Decker; Funder, Jonas Amstrup; Nyboe, Camilla; Nygaard, Hans; Hasenkam, J. Michael.

    In: IEEE Xplore, 2016, p. 4305-4308.

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

  54. 2015
  55. Published

    Detection of epileptic seizures with a modified heart rate variability algorithm based on Lorenz plot. / Jeppesen, Jesper; Beniczky, Sándor; Johansen, Peter; Sidenius, Per; Fuglsang-Frederiksen, Anders.

    In: Seizure - European Journal of Epilepsy, Vol. 24, 01.2015, p. 1-7.

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

  56. Published

    Bioprosthetic Heart Valve Leaflet 3D Strain Mapping using Digital Image Correlation. / Heide-Jørgensen, Simon; Taborsky, Jonas; Krishna, S. Kumaran; Bechsgaard, Tommy Kragh; Hønge, Jesper Langhoff; Zegdi, Rachid; Johansen, Peter.

    2015. Abstract from BMES 2015 Annual Meeting, Tampa, Florida, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  57. Published

    Cavitation in patients with bileaflet mechanical heart valves. / Johansen, Peter; Andersen, Tina S; Hasenkam, J. Michael; Nygaard, Hans; Paulsen, Peter Kildeberg.

    2015. Poster session presented at The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferencePosterResearchpeer-review

  58. Published

    Comparison of the aortic root remodeling techniques - with and without a supporting annular ring. An vitro evaluation. / Lading, Troels ; Røpcke, Diana Mathilde; Lindskow, Thomas; Bechsgaard, Tommy Kragh; Johansen, Peter; Nygaard, Hans; Hasenkam, J. Michael; Nielsen, Sten Lyager.

    2015. Poster session presented at The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferencePosterResearchpeer-review

  59. Published

    Design of custom-made TAVI valve for low-cost valve concept testing. / Bruus, Ditte ; Lindhardt, Ida; Weng, Philip B.S.; Galsgaard, R.; Johansen, Peter.

    2015. Abstract from The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  60. Published

    Design, calibration and preliminary results of force transducers for aortic root repairs. / Bechsgaard, Tommy Kragh; Laugesen, Sofie; Hønge, Jesper Langhoff; Nygaard, Hans; Nielsen, Sten Lyager; Johansen, Peter.

    2015. Abstract from The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  61. Published

    Development of a new valve prosthesis concept for infant cardiac surgery. / Jensen, Morten; Smerup, Morten Holdgaard; Johansen, Peter.

    2015. Poster session presented at The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferencePosterResearchpeer-review

  62. Published

    Force Alterations in the Aortic Root after Reconstructive Surgery : An In Vitro Experiment. / Bechsgaard, Tommy Kragh; Lading, Troels ; Lindskow, Thomas; Nygaard, Hans; Nielsen, Sten Lyager; Johansen, Peter.

    2015. Abstract from BMES 2015 Annual Meeting, Tampa, Florida, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  63. Published

    Novel assessment of strain distribution with high spatiotemporal resolution on aortic valve leaflets. / Heide-Jørgensen, Simon; Krishna, S. Kumaran; Taborsky, Jonas; Bechsgaard, Tommy Kragh; Hønge, Jesper Langhoff; Zegdi, R.; Johansen, Peter.

    2015. Abstract from The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  64. Published

    Optimization of Mechanical Heart Valve Cavitation Detection. / Weng, Philip B.S.; Johansen, Peter.

    2015. Abstract from BMES 2015 Annual Meeting, Tampa, Florida, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  65. Published

    The effect of TAVI oversizing on valve tissue stresses. / Krishna, Kumaran; Galsgaard, R.; Heide-Jørgensen, Simon; Bechsgaard, Tommy Kragh; Zegdi, R.; Bräuner, Lars Erik; Nygaard, Jens Vinge; Johansen, Peter.

    2015. Poster session presented at The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferencePosterResearchpeer-review

  66. 2014
  67. Published

    In vitro dynamic nuclear polarization study for tracking real-time metabolism in endothelial progenitor cells. / Lauritsen, Simon Meyer; Bertelsen, Lotte Bonde; Johansen, Peter; Nygaard, Jens Vinge; Stødkilde-Jørgensen, Hans.

    2014. Abstract from DMTS 2014, dansk medikoteknisk landsmøde, Brædstrup, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  68. Published

    Heart rate variability analysis of seizure leading to sudden unexpected death in a patient with epilepsy indicates increased pre-ictal parasympathetic tonus. / Jeppesen, Jesper; Beniczky, Sándor; Johansen, Peter; Fuglsang-Frederiksen, Anders.

    In: Clinical Neurophysiology, Vol. 125, No. S1, 06.2014, p. S169.

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

  69. Published

    New modified heart rate variability analyses as detector of epileptic seizures. / Jeppesen, Jesper; Beniczky, Sándor; Johansen, Peter; Sidenius, Per Christian; Fuglsang-Frederiksen, Anders.

    In: Clinical Neurophysiology, Vol. 125, No. S1, 06.2014, p. S255.

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

  70. Published

    Velocity and directionality of the electrohysterographic signal propagation. / Lange, Lasse; Vaeggemose, Anders; Kidmose, Preben; Mikkelsen, Eva; Uldbjerg, Niels; Johansen, Peter.

    In: PLOS ONE, Vol. 9, No. 1, e86775, 21.01.2014, p. 1-6.

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

  71. Published

    A Novel Method for High Resolution Non-Contact Tissue Strain and Deformation Analysis. / Heide-Jørgensen, Simon; Krishna, S K; Taborsky, Jonas; Bechsgaard, Tommy; Hønge, Jesper Langhoff; Zegdi, R.; Johansen, Peter.

    2014. Abstract from DMTS 2014, Brædstrup, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  72. Published

    A new approach for determination of cavitation at mechanical heart valves. / Würtz, Kent; Johansen, Peter.

    2014. Abstract from 24th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  73. Published

    A new method for high resolution non-contact heart valve deformation analysis. / Heide-Jørgensen, Simon; Krishna, K; Taborsky, Jonas; Bechsgaard, Tommy Kragh; Hønge, Jesper Langhoff; Johansen, Peter; Zegdi, R.

    7th World Congress of Biomechanics (WCB 2014): Abstracts. 2014. M55.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearchpeer-review

  74. Published

    Aortic annulus and commissural force transducers development and calibration. / Bechsgaard, Tommy Kragh; Laugesen, Sofie; Hønge, Jesper Langhoff; Nygaard, Hans; Nielsen, Sten Lyager; Johansen, Peter.

    2014. Abstract from 24th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  75. Published

    Blood gas tensions in adult asthma : a systematic review and meta-regression analysis. / Johansen, Troels; Johansen, Peter; Dahl, Ronald.

    In: Journal of Asthma, Vol. 51, No. 9, 2014, p. 974-981.

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

  76. Published

    Design and calibration of transducers for aortic root force measurement. / Bechsgaard, Tommy Kragh; Laugesen, Sofie; Hønge, Jesper Langhoff; Nygaard, Hans; Nielsen, Sten Lyager; Johansen, Peter.

    BMES 2014 Annual Meeting: Bioengineering innovations to catalyze affordable health care. Biomedical Engineering Society, 2014. 568.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearchpeer-review

  77. Published

    Development of force transducers for biomechanical assessment of aortic root surgery. / Bechsgaard, Tommy Kragh; Hønge, Jesper Langhoff; Laugesen, Sofie; Nygaard, Hans; Nielsen, Sten Lyager; Johansen, Peter.

    7th World Congress of Biomechanics (WCB 2014): Abstracts. 2014. T47.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearchpeer-review

  78. Published

    How Broad Should Biomedical Engineering Educational Programs Be? / Johansen, Peter.

    2014. Abstract from BMES 2014 Annual Meeting, San Antonio, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  79. Published

    Mechanical heart valve cavitation in patients with bileaflet valves. / Johansen, Peter; Andersen, Tina S; Hasenkam, J. Michael; Nygaard, Hans; Paulsen, Peter Kildeberg.

    In: Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, 2014, p. 5655 - 5658 .

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

  80. Published

    New transducers to measure forces in the aortic annulus and at the valve commissures. / Bechsgaard, Tommy Kragh; Hønge, Jesper Langhoff; Nygaard, Hans; Nielsen, Sten Lyager; Johansen, Peter.

    2014. Abstract from 24th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  81. Published

    Non-circular TAVI deployment's impact on maximum orifice area. / Heide-Jørgensen, Simon; Taborsky, Jonas; Krishna, S. Kumaran; Zegdi, R.; Johansen, Peter.

    2014. Abstract from 24th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  82. Published

    Non-contact strain measurements with high spatial and temporal resolution on aortic valves. / Krishna, S. Kumaran; Christensen, J. ; Taborsky, Jonas ; Heide-Jørgensen, Simon; Bechsgaard, Tommy Kragh; Hønge, Jesper Langhoff; Zegdi, R.; Johansen, Peter.

    2014. Abstract from 24th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  83. Published

    Platform to evaluate aortic root repair techniques based on new implantable force transducers. / Bechsgaard, Tommy Kragh; Hønge, Jesper Langhoff; Laugesen, Sofie; Nygaard, Hans; Nielsen, Sten Lyager; Johansen, Peter.

    Valves in the Heart of Big Apple VIII: Evaluation & Management of Valvular Heart Disease 2014. 2014.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearchpeer-review

  84. Published

    The impact of blocked sinus valsalva on aortic valve closing velocity and orifice area. / Mark, Søren; Pätzold, N.; Krishna, S. Kumaran; Taborsky, Jonas ; Heide-Jørgensen, Simon; Hønge, Jesper Langhoff; Zegdi, R.; Johansen, Peter.

    2014. Abstract from 24th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  85. Published

    The impact of deformed TAVI on valve closing velocity. / Taborsky, Jonas ; Heide-Jørgensen, Simon; Krishna, S. Kumaran; Zegdi, R.; Johansen, Peter.

    2014. Abstract from 24th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  86. Published

    Using Lorenz plot and Cardiac Sympathetic Index of heart rate variability for detecting seizures for patients with epilepsy. / Jeppesen, Jesper; Beniczky, Sándor; Johansen, Peter; Sidenius, Per Christian; Fuglsang-Frederiksen, Anders.

    In: Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, 2014, p. 4563-66.

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

  87. 2013
  88. Published

    New modified Heart Rate Variability analysis as detector of epilectic seizures. / Jeppesen, Jesper; Beniczky, Sándor; Johansen, Peter; Sidenius, Per Christian; Fuglsang-Frederiksen, Anders.

    2013. Poster session presented at Danske Medicotekniske Landsmøde, Brædstrup, Denmark.

    Research output: Contribution to conferencePosterResearchpeer-review

  89. Published

    New modified Heart Rate Variability analysis as detector of epilectic seizures. / Jeppesen, Jesper; Beniczky, Sándor; Sidenius, Per Christian; Johansen, Peter; Fuglsang-Frederiksen, Anders.

    2013. Poster session presented at Horizons in Clinical Neurophysiology, Oxford, United Kingdom.

    Research output: Contribution to conferencePosterResearchpeer-review

  90. Published

    Electrohysterography of labor contractions: propagation velocity and direction. / Mikkelsen, Eva; Johansen, Peter; Fuglsang-Frederiksen, Anders; Uldbjerg, Niels.

    In: Acta Obstetricia et Gynecologica Scandinavica, Vol. 92, No. 9, 03.06.2013, p. 1070-1078.

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

  91. Published

    Electrode placement in bioimpedance spectroscopy. / Birkemose, Marie ; Juul Møller, Asger ; Lænsø Madsen, Mads; Brantlov, Steven; Sørensen, Henrik; Overgaard, Kristian; Johansen, Peter.

    In: I E E E Engineering in Medicine and Biology Society. Conference Proceedings, 2013.

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

  92. Published

    Impact of aortic valve repair on the stress distribution of the aortic root. / Bechsgaard, Tommy; Hønge, Jesper Langhoff; Nygaard, Hans; Nielsen, Sten Lyager; Johansen, Peter.

    2013. Abstract from 23rd Scientific Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  93. Published

    The effect of bulging sinuses of valsalva on valve dynamics - an in vitro study of TAVI valves. / Pirk, Jens Lasse ; Krishna, Kumaran; Taborsky, J. ; Nielsen, M. H.; Heide-Jørgensen, Simon; Hønge, Jesper Langhoff; Zegdi, R.; Johansen, Peter.

    2013. Abstract from 23rd Scientific Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  94. Published

    The impact of non-circular TAVI deployment on valve performance. / Heide-Jørgensen, Simon; Nielsen, M H; Krishna, Kumaran; Pirk, J L; Taborsky, J; Hønge, Jesper Langhoff; Zegdi, R.; Johansen, Peter.

    2013. Abstract from 23rd Scientific Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  95. 2012
  96. Published
  97. Published
  98. Published

    Characterization of the Electrohysterographic Signal Propagation During Uterine Contractions. / Lange, Lasse ; Væggemose, Anders ; Kidmose, Preben; Uldbjerg, Niels; Johansen, Peter.

    2012. Poster session presented at 34rd Annual International Conference of the IEEE, San Diego, United States.

    Research output: Contribution to conferencePosterResearchpeer-review

  99. Published

    Propagation Direction and Velocity of Uterine EMG Signals during Labor. / Mikkelsen, Eva; Johansen, Peter; Fuglsang-Frederiksen, Anders; Uldbjerg, Niels.

    2012. Abstract from XX FIGO World Congress of Gynecology and Obstetrics, Rom, Italy.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  100. 2011
  101. Published

    Mitral ring annuloplasty relieves tension of the secondary but not primary chordae tendineae in the anterior mitral leaflet. / Nielsen, Sten Lyager; Lomholt, Mads; Johansen, Peter; Hansen, Søren Baarsgaard; Andersen, Niels Trolle; Hasenkam, John Michael.

    In: Journal of Thoracic and Cardiovascular Surgery, Vol. 141, No. 3, 01.03.2011, p. 732-7.

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

  102. Published

    Factor XIII as a treatment in haemophilia A. / Rea, Catherine J; Foley, Jonathan ; Johansen, Peter; Sørensen, Benny .

    2011. Poster session presented at XXIII Congress of the International Society on Thrombosis and Haemostasis, Kyoto, Kyoto, Japan.

    Research output: Contribution to conferencePosterResearchpeer-review

  103. 2010
  104. Published

    An automated in vitro model for the evaluation of ultrasound modalities measuring myocardial deformation. / Stigö, Albin; Johansen, Peter; Jensen, Morten Ø; Sivesgaard, Kim; Nygaard, Hans; Sloth, Erik.

    In: Cardiovascular Ultrasound, Vol. 8, 2010, p. 40.

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

  105. Published

    Test af biologiske hjerteklapper – et tæt samarbejde imellem læger og ingeniører. / Johansen, Peter; Funder, Jonas Amstrup.

    In: Medicinsk Teknologi & Informatik, Vol. Maj 2010, 2010, p. 16-19.

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

  106. 2009
  107. Published

    A new dielectric electro active polymer based strain transducer for measuring local forces in the heart valves. / Johansen, Peter; Sørensen, L.; Christensen, J.; Funder, Jonas Amstrup.

    2009. Poster session presented at 19th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferencePosterResearch

  108. Published

    Determining Local Stresses and Forces in the Heart Valves through a new Dielectric Elctro Active Polymer based Strain Transducer. / Johansen, Peter; Sørensen, Lars; Christensen, Joanna; Funder, Jonas Amstrup; Nygaard, Hans.

    2009. Poster session presented at 5th Biennial Meeting of the Society for Heart Valve Disease, Berlin, Germany.

    Research output: Contribution to conferencePosterResearch

  109. Published

    Frequency modulation of microembolic signals in phases of cardiac cycles. / Ng, Him Shing; Nygaard, Hans; Hasenkam, John Michael; Johansen, Peter.

    2009. Poster session presented at PhD Day, Århus, Denmark.

    Research output: Contribution to conferencePosterResearch

  110. Published

    Leaflet closing motion of stentless heart valves. / Frost, Markus Winther; Funder, Jonas Amstrup; Klaaborg, Kaj-Erik; Wierup, Per; Johansen, Peter; Nygaard, Hans; Hasenkam, John Michael.

    2009. Abstract from 19th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  111. 2008
  112. Published

    Are sounds from mechanical heart valves equal for different valve types? / Pedersen, Thais A L; Johansen, Peter; Hasenkam, J Michael; Koerfer, Reiner; Koertke, Heinrich; Nygaard, Hans.

    In: Journal of Heart Valve Disease, Vol. 17, No. 5, 2008, p. 579-82.

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

  113. Published

    Development of an implantable heart valve force transducer. / Jensen, Morten Ølgaard Jegstrup; Johansen, Peter; Nygaard, Hans.

    Proceedings of the ASME 2008 Summer Bioengineering Conference. 2008.

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

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