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Hans Nygaard

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  1. 2012
  2. Udgivet

    External approach to in vivo force measurement on mitral valve traction suture. / Jensen, Morten O ; Jensen, Henrik ; Langhoff Honge, Jesper ; Nygaard, Hans ; Hasenkam, Michael ; Nielsen, Sten L.

    I: Journal of Biomechanics, Vol. 45, Nr. 5, 2012, s. 908-12.

    Publikation: Forskning - peer review › Tidsskriftartikel

  3. Udgivet

    Mitral valve mechanics following posterior leaflet patch augmentation. / Rahmani, Azadeh ; Rasmussen, Ann Qvist ; Hønge, Jesper Langhoff ; Østli, B. ; Askov, Jesper Brink ; Levine, Robert A. ; Hagège, A. ; Nygaard, Hans ; Hasenkam, Michael ; Nielsen, Sten Lyager ; Jensen, Morten Ølgaard Jegstrup.

    2012. Abstract from 22nd Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning - peer review › Konferenceabstrakt til konference

  4. Udgivet

    Paper electrocardiograph strips may contain overlooked clinical information in screen-detected type 2 diabetes patients. / Fleischer, Jesper ; Charles, Morten ; Tarnow, Lise ; Jensen, Klaus Skovbo ; Nygaard, Hans ; Sandbaek, Annelli ; Ejskjaer, Niels.

    I: Journal of Diabetes Science and Technology, Vol. 6, Nr. 1, 2012, s. 74-80.

    Publikation: Forskning - peer review › Tidsskriftartikel

  5. 2011
  6. Udgivet

    Self-monitoring of cardiac autonomic function at home is feasible. / Fleischer, Jesper ; Nielsen, Roni ; Laugesen, Esben ; Nygaard, Hans ; Poulsen, Logstrup Per ; Ejskjaer, Niels.

    I: Journal of Diabetes Science and Technology, Vol. 5, Nr. 1, 01.01.2011, s. 107-12.

    Publikation: Forskning - peer review › Tidsskriftartikel

  7. Udgivet

    Turbulence downstream of subcoronary stentless and stented aortic valves. / Funder, Jonas Amstrup ; Winther Frost, Markus ; Wierup, Per ; Klaaborg, Kaj-Erik ; Hjortdal, Vibeke ; Nygaard, Hans ; Hasenkam, J Michael.

    I: Journal of Biomechanics, Vol. 44, Nr. 12, 11.08.2011, s. 2273-8.

    Publikation: Forskning - peer review › Tidsskriftartikel

  8. Udgivet

    Position article for the use of extracorporeal life support in adult patients. / Beckmann, Andreas ; Benk, Christoph ; Beyersdorf, Friedhelm ; Haimerl, Gerd ; Merkle, Frank ; Mestres, Carlos ; Pepper, John ; Wahba, Alexander ; on behalf of the ECLS Working Group ; Hasenkam, John Michael ; Nygaard, Hans.

    I: European Journal of Cardio-Thoracic Surgery, Vol. 40, Nr. 3, 01.09.2011, s. 676-680.

    Publikation: Forskning - peer review › Tidsskriftartikel

  9. Udgivet

    Saddle-shaped mitral valve annuloplasty rings improve leaflet coaptation geometry. / Jensen, Morten Ølgaard Jegstrup ; Jensen, Henrik ; Levine, Robert A. ; Yoganathan, Ajit P ; Andersen, Niels Trolle ; Nygaard, Hans ; Hasenkam, J Michael ; Nielsen, Sten L.

    I: Journal of Thoracic and Cardiovascular Surgery, Vol. 142, Nr. 3, 01.09.2011, s. 697-703.

    Publikation: Forskning - peer review › Tidsskriftartikel

  10. Udgivet

    Leaflet dynamics in stentless aortic valves implanted in humans. / Frost, Markus Winther ; Funder, Jonas Amstrup ; Klaaborg, Kaj-Erik ; Wierup, Per ; Nygaard, Hans ; Hasenkam, John Michael.

    2011. Poster session presented at 21st Annual Meeting of the Scandinavian Society of Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  11. Udgivet

    Novel papillary muscle force transducer: Initial tests and results. / Askov, Jesper Brink ; Hønge, Jesper Langhoff ; Jensen, Morten Ølgaard Jegstrup ; Nygaard, Hans ; Hasenkam, John Michael ; Nielsen, Sten Lyager.

    2011. Abstract from PhD Day, Faculty of Health Sciences, University of Aarhus, Aarhus, Danmark.

    Publikation: Forskning › Konferenceabstrakt til konference

  12. Udgivet

    Novel papillary muscle force transducer: Tests and results. / Askov, Jesper Brink ; Hønge, Jesper Langhoff ; Nygaard, Hans ; Hasenkam, John Michael ; Nielsen, Sten Lyager ; Jensen, Morten Ølgaard Jegstrup.

    2011. Poster session presented at 21st Annual Meeting of the Scandinavian Society of Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  13. Udgivet

    Papillary Muscle Force Transducer for Measurement In Vivo. / Askov, Jesper Brink ; Hønge, Jesper Langhoff ; Nygaard, Hans ; Hasenkam, John Michael ; Nielsen, Sten Lyager ; Jensen, Morten Ølgaard Jegstrup.

    I: Cardiovascular Engineeering and Technology, Vol. 2, Nr. 3, 2011, s. 196-202.

    Publikation: Forskning - peer review › Tidsskriftartikel

  14. 2010
  15. Udgivet

    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.

    I: Cardiovascular Ultrasound, Vol. 8, 2010, s. 40.

    Publikation: Forskning - peer review › Tidsskriftartikel

  16. Udgivet

    Aortic root distensibility and cross sectional areas in stented and subcoronary stentless bioprostheses in pigs. / Funder, Jonas Amstrup ; Ringgaard, Steffen ; Frost, Markus Winther ; Wierup, Per ; Klaaborg, Kaj Erik ; Hjortdal, Vibeke ; Nygaard, Hans ; Hasenkam, John Michael.

    I: Interactive Cardiovascular and Thoracic Surgery, Vol. 10, Nr. 6, 2010, s. 976-980.

    Publikation: Forskning - peer review › Tidsskriftartikel

  17. Udgivet

    Effect of Mitral Valve Ring Annuloplasty on In Vivo Chordal Tension. / Askov, Jesper Brink ; Jensen, Morten Ølgaard Jegstrup ; Hønge, Jesper Langhoff ; Nygaard, Hans ; Hasenkam, John Michael ; Nielsen, Sten Lyager.

    2010. Poster session presented at PhD Day 2010, University of Aarhus, Århus, Danmark.

    Publikation: Forskning › Poster

  18. Udgivet

    Hæmodynamik på højt plan. / Hasenkam, John Michael ; Nygaard, Hans ; Brøndum, Emil Toft ; Aalkjær, Christian ; Wang, Tobias.

    I: Cardiologisk Forum, Vol. 25, Nr. 1, 2010, s. 23-28.

    Publikation: Formidling › Tidsskriftartikel

  19. Udgivet

    In-vivo blood velocity and velocity gradient profiles downstream of stented and stentless aortic heart valves. / Funder, Jonas Amstrup ; Frost, Markus W ; Ringgaard, Steffen ; Klaaborg, Kaj-Erik ; Wierup, Per ; Hjortdal, Vibeke ; Nygaard, Hans ; Hasenkam, John Michael.

    I: Journal of Heart Valve Disease, Vol. 19, Nr. 3, 2010, s. 292-303.

    Publikation: Forskning - peer review › Tidsskriftartikel

  20. Udgivet

    Leaflet opening and closing dynamics of stentless bioprostheses. / Frost, Markus W ; Funder, Jonas Amstrup ; Klaaborg, Kaj Erik ; Wierup, Per ; Sloth, Erik ; Nygaard, Hans ; Hasenkam, John Michael.

    I: Journal of Heart Valve Disease, Vol. 19, Nr. 4, 2010, s. 492-8.

    Publikation: Forskning - peer review › Tidsskriftartikel

  21. Udgivet

    Miniature transducer for chordal force measurements in vivo. / Askov, Jesper Brink ; Jensen, Morten Ølgaard Jegstrup ; Hønge, Jesper Langhoff ; Nygaard, Hans ; Hasenkam, John Michael ; Nielsen, Sten Lyager.

    I: Proceedings of the ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers (ASME), 2010. s. 19181.

    Publikation: Forskning › Konferencebidrag i proceedings

  22. Udgivet

    Novel Papillary Muscle Force Transducer: Tests and Results. / Askov, Jesper Brink ; Hønge, Jesper Langhoff ; Jensen, Morten Ølgaard Jegstrup ; Nygaard, Hans ; Hasenkam, John Michael ; Nielsen, Sten Lyager.

    2010. Abstract from 2010 BMES Annual Meeting, Austin, USA.

    Publikation: Forskning › Konferenceabstrakt til konference

  23. Udgivet

    Miniature transducer for chordal force measurements in vivo.. / Askov, Jesper Brink ; Jensen, Morten Ølgaard Jegstrup ; Hønge, Jesper Langhoff ; Nygaard, Hans ; Hasenkam, John Michael ; Nielsen, Sten Lyager.

    2010. Abstract from Biennial Heart Valve & Biology Tissue Engineering Meeting, Hilton Head Island, USA.

    Publikation: Forskning › Konferenceabstrakt til konference

  24. Udgivet

    Novel Papillary Muscle Force Transducer: Initial Tests and Results. / Askov, Jesper Brink ; Hønge, Jesper Langhoff ; Jensen, Morten Ølgaard Jegstrup ; Nygaard, Hans ; Hasenkam, John Michael ; Nielsen, Sten Lyager.

    2010. Abstract from World Congress on Biomechanics, Singapore, Singapore.

    Publikation: Forskning › Konferenceabstrakt til konference

  25. 2009
  26. Udgivet

    Biomedicinsk Teknologi ved AU og IHA. / Nygaard, Hans.

    I: Medicinsk Teknologi og Informatik, Vol. 1, 2009, s. 14-16.

    Publikation: Forskning › Tidsskriftartikel

  27. Udgivet

    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, Tyskland.

    Publikation: Forskning › Poster

  28. Udgivet

    Effect of Mitral Valve Ring Annuloplasty on in Vivo Chordal Tension. / Askov, Jesper Brink ; Jensen, Morten Ølgaard Jegstrup ; Hønge, Jesper Langhoff ; Nielsen, Sten Lyager ; Nygaard, Hans ; Hasenkam, John Michael.

    2009. Poster session presented at 19th World Congress - World Society of Cardio-Thoracic Surgeons, Buenos Aires, Argentina.

    Publikation: Forskning › Poster

  29. Udgivet

    Ekstrakorporal cirkulation og anden cirkulationsstøtte. / Nygaard, Hans ; Kaare, Sander.

    I: Thorax kirurgi. 2. udg. FADL's Forlag, 2009. s. 9-29.

    Publikation: Undervisning › Bidrag til bog/antologi

  30. Udgivet

    Flexible Mitral Valve Annuloplasty Rings Provide Superior Annular Dynamics and Force Distribution. / Jensen, Morten Ølgaard Jegstrup ; Jensen, Henrik ; Askov, Jesper Brink ; Levine, Robert A. ; Yoganathan, Ajit P. ; Nygaard, Hans ; Nielsen, Sten Lyager ; Hasenkam, John Michael.

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

    Publikation: Forskning › Poster

  31. Udgivet

    Flexible Mitral Valve Annuloplasty Rings Provide Superior Annular Dynamics and Force Distribution. / Jensen, Morten Ølgaard Jegstrup ; Jensen, Henrik ; Askov, Jesper Brink ; Levine, Robert A. ; Yoganathan, Ajit P. ; Nygaard, Hans ; Nielsen, Sten Lyager ; Hasenkam, John Michael.

    2009. Abstract from DaCRA Summer Meeting, Sandbjerg, Danmark.

    Publikation: Forskning › Konferenceabstrakt til konference

  32. Udgivet

    Flexible mitral valve annuloplasty rings provide superior annular dynamics and force distribution. / Jensen, Morten Ølgaard Jegstrup ; Jensen, Henrik ; Askov, Jesper Brink ; Levine, Robert A. ; Yoganathan, Ajit P. ; Nygaard, Hans ; Nielsen, Sten Lyager ; Hasenkam, John Michael.

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

    Publikation: Forskning › Konferenceabstrakt til konference

  33. Udgivet

    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, Danmark.

    Publikation: Forskning › Poster

  34. Udgivet

    Influence of venous reservoir level on microbubbles in cardiopulmonary bypass. / Nielsen, Peter Fast ; Funder, Jonas Amstrup ; Jensen, Morten Ølgaard Jegstrup ; Nygaard, Hans.

    2009. Abstract from 13th European Congress on Extracorporeal Circulation Technology, Århus, Danmark.

    Publikation: Forskning › Konferenceabstrakt til konference

  35. Udgivet

    Jugular venous pooling during lowering of the head affects blood pressure of the anesthetized giraffe. / Brøndum, E ; Hasenkam, J M ; Secher, N H ; Bertelsen, M F ; Grøndahl, C ; Petersen, Karin Kastberg ; Buhl, R ; Aalkjaer, C ; Baandrup, U ; Nygaard, H ; Smerup, M ; Stegmann, F ; Sloth, E ; Ostergaard, K H ; Nissen, P ; Runge, M ; Pitsillides, K ; Wang, T.

    I: American Journal of Physiology: Regulatory, Integrative and Comparative Physiology, Vol. 297, Nr. 4, 2009, s. R1058-65.

    Publikation: Forskning - peer review › Tidsskriftartikel

  36. Udgivet

    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, Norge.

    Publikation: Forskning › Konferenceabstrakt til konference

  37. Udgivet

    New miniature transducers for in vivo chordae tendineae force measurements. / Askov, Jesper Brink ; Jensen, Morten Ølgaard Jegstrup ; Nielsen, Sten Lyager ; Nygaard, Hans ; Hasenkam, John Michael.

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

    Publikation: Forskning › Poster

  38. Udgivet

    New miniature transducers for in vivo chordae tendineae force measurements. / Askov, Jesper Brink ; Jensen, Morten Ølgaard Jegstrup ; Nielsen, Sten Lyager ; Nygaard, Hans ; Hasenkam, John Michael.

    2009. Abstract from Dansk Medico Teknisk Selskabs 27. årsmøde, Brædstrup, Danmark.

    Publikation: Forskning › Konferenceabstrakt til konference

  39. Udgivet

    New miniature transducers for in vivo chordae tendineae force measurements. / Askov, Jesper Brink ; Jensen, Morten Ølgaard Jegstrup ; Nielsen, Sten Lyager ; Nygaard, Hans ; Hasenkam, John Michael.

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

    Publikation: Forskning › Poster

  40. Udgivet

    Reliability of Speckle Tracking and Doppler Tissue Velocity Imaging for Assessment of Myocardial Strain. / Stigö, Albin ; Sivesgaard, Kim ; Jensen, Morten Ølgaard Jegstrup ; Nygaard, Hans ; Sloth, Erik.

    2009. Poster session presented at Third International Conference on Mechanics of Biomaterials and Tissues, Clearwater Beach FL, USA.

    Publikation: Forskning › Poster

  41. Udgivet

    Reliability of speckle tracking and Doppler tissue velocity imaging for assessment of myocardial strain. / Stigö, Albin ; Sivesgaard, Kim ; Jensen, Morten Ølgaard Jegstrup ; Nygaard, Hans ; Sloth, Erik.

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

    Publikation: Forskning › Poster

  42. Udgivet

    Speckle tracking echocardiography enables angle independent measurement of peak strain in vitro. / Sivesgaard, Kim ; Christensen, Sara Dahl ; Nygaard, Hans ; Hasenkam, John Michael ; Sloth, Erik.

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

    Publikation: Forskning › Poster

  43. Udgivet

    Speckle tracking ultrasound is independent of insonation angle and gain: an in vitro investigation of agreement with sonomicrometry. / Sivesgaard, Kim ; Christensen, Sara Dahl ; Nygaard, Hans ; Hasenkam, J Michael ; Sloth, Erik.

    I: American Society of Echocardiography. Journal, Vol. 22, Nr. 7, 2009, s. 852-8.

    Publikation: Forskning - peer review › Tidsskriftartikel

  44. Udgivet

    Velocity gradient profiles downstream of stented and stentless aortic valves in pigs. / Funder, Jonas Amstrup ; Frost, Markus Winther ; Ringgaard, Steffen ; Wierup, Per ; Klaaborg, Kaj-Erik ; Hjortdal, Vibeke E. ; Nygaard, Hans ; Hasenkam, John Michael.

    2009. Poster session presented at 19th World Congress - World Society of Cardio-Thoracic Surgeons, Buenos Aires, Argentina.

    Publikation: Forskning › Poster

  45. Udgivet

    Velocity profiles of stentless heart valves compared to stented and native valves in pigs. / Funder, Jonas Amstrup ; Frost, Markus Winther ; Ringgaard, Steffen ; Klaaborg, Kaj-Erik ; Wierup, Per ; Hjortdal, Vibeke E. ; Nygaard, Hans ; Hasenkam, John Michael.

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

    Publikation: Forskning › Konferenceabstrakt til konference

  46. 2008
  47. Udgivet

    A Dynamic Ultrasound Model for Evaluation of Myocardial Deformation Measurements. / Sivesgaard, Kim ; Christensen, Sara Dahl ; Nygaard, Hans ; Hasenkam, John Michael ; Sloth, Erik.

    2008. Poster session presented at Dansk Selskab for Anæstesiologi og Intensiv Medicins årsmøde (DASAIM), København, Danmark.

    Publikation: Forskning › Poster

  48. Udgivet

    A Pocket-size Device to Detect Autonomic Neuropathy. / Ejskjær, Niels ; Fleischer, Jesper ; Fleischer, Jacob ; Jakobsen, Poul Erik ; Poulsen, Per Løgstrup ; Nygaard, Hans.

    I: Journal of Diabetes Science and Technology, Vol. 2, Nr. 4, 2008, s. 692-696.

    Publikation: Forskning - peer review › Tidsskriftartikel

  49. Udgivet

    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.

    I: Journal of Heart Valve Disease, Vol. 17, Nr. 5, 2008, s. 579-82.

    Publikation: Forskning - peer review › Tidsskriftartikel

  50. Udgivet

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

    I: Proceedings of the ASME 2008 Summer Bioengineering Conference. 2008.

    Publikation: Forskning › Konferencebidrag i proceedings

  51. Udgivet

    Embolic Doppler ultrasound signal detection using continuous wavelet transform to detect multiple vascular emboli.. / Ng, Him Shing ; Hao, Qing ; Leung, Thomas ; Lawrence Wong, K S ; Nygaard, Hans ; Hasenkam, John Michael ; Johansen, Peter.

    I: Journal of Neuroimaging, Vol. 18, Nr. 4, 2008, s. 388-95.

    Publikation: Forskning - peer review › Tidsskriftartikel

  52. Udgivet

    Embolic Signals Detection Using Continuous Wavelet Transform Capable of Multiple Emboli Detection. / Ng, Him Shing ; Nygaard, Hans ; Johansen, Peter ; Hasenkam, John Michael ; Wong, K. ; Hao, Q. ; Leung, T..

    2008. Poster session presented at BMES Annual Fall Meeting, Los Angeles, USA.

    Publikation: Forskning › Poster

  53. Udgivet

    Excellent flow profile of mitroflow heart valve compared to stentless valves. / Funder, Jonas Amstrup ; Frost, Markus Winther ; Ringgaard, Steffen ; Klaaborg, Kaj-Erik ; Wierup, Per ; Hjortdal, Vibeke E. ; Nygaard, Hans ; Hasenkam, John Michael.

    2008. Abstract from The 57th Annual Meeting of the Scandinavian Society of Thoracic Surgery and the 28th Annual Meeting of Scandinavian Society of Extra Corporeal Technology, København, Danmark.

    Publikation: Forskning › Konferenceabstrakt til konference

  54. Udgivet

    In vivo Force Measurement on Mitral Valve Traction Suture: Insights to Left Ventricular Force Balance. / Jensen, Morten Ølgaard Jegstrup ; Jensen, Henrik ; Levine, Robert ; Yoganathan, Ajit ; Nygaard, Hans ; Nielsen, Sten Lyager ; Hasenkam, John Michael.

    I: Heart Surgery Forum, Vol. 11, Nr. Suppl. 1, 2008, s. 252.

    Publikation: Forskning › Konferenceabstrakt i tidsskrift

  55. Udgivet

    Influence of venous reservoir level on microbubbles in cardiopulmonary bypass. / Nielsen, Peter Fast ; Funder, Jonas Amstrup ; Jensen, Morten Ølgaard Jegstrup ; Nygaard, H.

    I: Perfusion, Vol. 23, Nr. 6, 2008, s. 347-53.

    Publikation: Forskning - peer review › Tidsskriftartikel

  56. Udgivet

    Leaflet Dynamics of Stentless Heart Valves. / Frost, Markus Winther ; Funder, Jonas Amstrup ; Klaaborg, Kaj-Erik ; Wierup, Per ; Nygaard, Hans ; Hasenkam, John Michael.

    2008. Poster session presented at 2008 Summer Meeting at The Sandbjerg Estate, Sønderborg, Danmark.

    Publikation: Forskning › Poster

  57. Udgivet

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

    2008. Poster session presented at 18th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  58. Udgivet

    Myocardial deformation assessed by speckle tracking echocardiography - in vitro investigation of potential limitations and pitfalls. / Sivesgaard, Kim ; Christensen, Sara Dahl ; Nygaard, Hans ; Hasenkam, John Michael ; Sloth, Erik.

    2008. Poster session presented at 18th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  59. Udgivet

    Myocardial deformation assessed by speckle tracking echocardiography: In vitro investigation of potential limitations and pitfalls. / Sivesgaard, Kim ; Christensen, Sara Dahl ; Nygaard, Hans ; Hasenkam, John Michael ; Sloth, Erik.

    I: Journal of Cardiothoracic and Vascular Anesthesia, Nr. 3, 2008, s. 22-23.

    Publikation: Forskning › Konferenceabstrakt i tidsskrift

  60. Udgivet

    Optimization of a dynamic ultrasound phantom for evaluation of 2D strain. / Sivesgaard, K. ; Christensen, S.D. ; Nygaard, Hans ; Hasenkam, John Michael ; Sloth, Erik.

    2008. Poster session presented at DASAIM årsmøde, København, Danmark.

    Publikation: Forskning › Poster

  61. Udgivet

    Saddle-shaped mitral valve annuloplasty rings experience lower forces compared with flat rings. / Jensen, Morten Ølgaard Jegstrup ; Smerup, Morten Holdgaard ; Jensen, Henrik ; Levine, Robert A ; Yoganathan, Ajit P ; Nygaard, Hans ; Hasenkam, J Michael ; Nielsen, Sten L.

    I: Circulation (Baltimore), Vol. 118, Nr. 14 Suppl, 2008, s. S250-5.

    Publikation: Forskning - peer review › Tidsskriftartikel

  62. Udgivet

    Saddle-shaped mitral valve annuloplasty rings provide superior annular force distribution. / Jensen, Morten Ølgaard Jegstrup ; Jensen, Henrik ; Smerup, Morten Holdgaard ; Levine, Robert A. ; Yoganathan, Ajit P. ; Nygaard, Hans ; Hasenkam, John Michael ; Nielsen, Sten Lyager.

    2008. Abstract from 18th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Konferenceabstrakt til konference

  63. Udgivet

    Saddle-shaped Mitral Valve Annuloplasty Rings Provide Superior Annular Force Distribution Compared with Flat Rings. / Jensen, Morten Ølgaard Jegstrup ; Jensen, Henrik ; Smerup, Morten Holdgaard ; Levine, Robert A. ; Yoganathan, Ajit P. ; Nygaard, Hans ; Hasenkam, John Michael ; Nielsen, Sten Lyager.

    2008. Poster session presented at PhD Day, Aarhus Universitet, Århus, Danmark.

    Publikation: Forskning › Poster

  64. Udgivet

    Speckle tracking echocardiography enables angle and gain independent measurement of peak strain. In vitro evaluation in a dynamic tissue mimicking phatom. / Sivesgaard, Kim ; Christensen, Sara Dahl ; Nygaard, Hans ; Hasenkam, John Michael ; Sloth, Erik.

    2008. Poster session presented at Euroecho 2008, Lyon, Frankrig.

    Publikation: Forskning › Poster

  65. Udgivet

    Stentless Heart Valve Flexibility. / Funder, Jonas Amstrup ; Frost, Markus Winther ; Ringgaard, Steffen ; Klaaborg, Kaj-Erik ; Wierup, Per ; Hjortdal, Vibeke E. ; Nygaard, Hans ; Hasenkam, John Michael.

    2008. Poster session presented at 18th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  66. Udgivet

    Stentless heart Valve Profile. / Funder, Jonas Amstrup ; Frost, Markus Winther ; Ringgaard, Steffen ; Klaaborg, Kaj-Erik ; Wierup, Per ; Hjortdal, Vibeke E. ; Nygaard, Hans ; Hasenkam, John Michael.

    I: Heart Surgery Forum, Vol. 11, Nr. Suppl. 1, 2008, s. 234.

    Publikation: Forskning › Konferenceabstrakt i tidsskrift

  67. Udgivet

    What Forces Act on a Flat Rigid Mitral Annuloplasty Ring?. / Jensen, Morten Ølgaard Jegstrup ; Jensen, Henrik ; Nielsen, Sten Lyager ; Smerup, Morten Holdgaard ; Johansen, Peter ; Yoganathan, Ajit P. ; Nygaard, Hans ; Hasenkam, John Michael.

    I: Journal of Heart Valve Disease, Vol. 17, 2008, s. 267-275.

    Publikation: Forskning - peer review › Tidsskriftartikel

  68. 2007
  69. Udgivet

    Are sounds from mechanical heart valves equal for different  valve types?. / Pedersen, Thais A. ; Johansen, Peter ; Hasenkam, John Michael ; Körfer, Reiner ; Körtke, Heinrich ; Nygaard, Hans.

    2007. Poster session presented at Fourth Biennial Meeting of The Society for Heart Valve Disease, New York, USA.

    Publikation: Forskning › Poster

  70. Udgivet

    Are sounds from mechanical heart valves equal for different valve types?. / Pedersen, Thais A. ; Johansen, Peter ; Hasenkam, John Michael ; Körfer, Reiner ; Körtke, Heinrich ; Nygaard, Hans.

    2007. Abstract from 4th Biennial Meeting of The Society for Heart Valve Disease, New York, USA.

    Publikation: Forskning › Konferenceabstrakt til konference

  71. Udgivet

    Force Balance in the Mitral Valve Annulus: New Results from Novel Modalities and Measurement Techniques. / Jensen, Morten Ølgaard Jegstrup ; Jensen, Henrik ; Nielsen, Sten Lyager ; Smerup, Morten Holdgaard ; Johansen, Peter ; Yoganathan, Ajit P. ; Nygaard, Hans ; Hasenkam, John Michael.

    2007. Poster session presented at 17th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  72. Udgivet

    Gaseous emboli detection based on a dual-wavelet transform analysis. / Ng, Him Shing ; Nygaard, Hans ; Hasenkam, John Michael ; Johansen, Peter.

    I: Institution of Mechanical Engineers. Proceedings. Part H: Journal of Engineering in Medicine, Vol. 221, Nr. 6, 2007, s. 687-698.

    Publikation: Forskning - peer review › Tidsskriftartikel

  73. Udgivet

    How to interpret the function of annuloplasty devices.. / Jensen, Morten Ølgaard Jegstrup ; Jensen, Henrik ; Nielsen, Sten Lyager ; Smerup, Morten Holdgaard ; Johansen, Peter ; Yoganathan, Ajit P. ; Nygaard, Hans ; Hasenkam, John Michael.

    2007. Abstract from 4th Biennial Meeting of The Society for Heart Valve Disease, New York, USA.

    Publikation: Forskning › Konferenceabstrakt til konference

  74. Udgivet

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

    2007. Poster session presented at 17th  Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  75. Udgivet

    Saddle-shaped Mitral Valve Annuoplasty Rings Improve Leaflet Coaptation Geometry. / Jensen, Morten Ølgaard Jegstrup ; Jensen, Henrik ; Smerup, Morten Holdgaard ; Levine, Robert A. ; Yoganathan, Ajit P. ; Nygaard, Hans ; Hasenkam, John Michael ; Nielsen, Sten Lyager.

    2007. Poster session presented at American Heart Association Scientific Sessions, Orlando, USA.

    Publikation: Forskning › Poster

  76. Udgivet

    Se giraffen - den kan styre sit blodtryk. / Nygaard, Hans.

    I: Dansk Medicoteknisk landsmøde 2007. 2007.

    Publikation: Forskning › Konferencebidrag i proceedings

  77. 2006
  78. Udgivet

    Embolic Signal Detection Using Continuous and Discrete Wavelet Transform. / Ng, Him Shing ; Johansen, Peter ; Nygaard, Hans ; Hasenkam, John Michael.

    2006. Abstract from Advances in Innovative Technologies and Tissue Engineering for the Treatment of Heart Valve Disease, Hilton Head, USA.

    Publikation: Forskning › Konferenceabstrakt til konference

  79. Udgivet

    Embolic Signal Detection Using Continuous and Discrete Wavelet Transform. / Ng, Him Shing ; Johansen, Peter ; Nygaard, Hans ; Hasenkam, John Michael.

    2006. Poster session presented at Advances in Innovative Technologies and Tissue Engineering for the Treatment of Heart Valve Disease, Hilton Head, USA.

    Publikation: Forskning › Poster

  80. Udgivet

    Hemodynamic Performance in Stentless Heart Valves. / Funder, Jonas Amstrup ; Hjortdal, Vibeke E. ; Paulsen, Peter Kildeberg ; Nygaard, Hans ; Hasenkam, John Michael.

    2006. Poster session presented at 16th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  81. Udgivet

    Hemodynamic Performance in Stentless Heart Valves. / Funder, Jonas Amstrup ; Hjortdal, Vibeke E. ; Paulsen, Peter Kildeberg ; Nygaard, Hans ; Hasenkam, John Michael.

    2006. Abstract from 16th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Konferenceabstrakt til konference

  82. Udgivet

    Intraoperative and Postoperative Evaluation of Cavitation in Mechanical Heart Valve Patients. / Andersen, Tina S. ; Johansen, Peter ; Christensen, Bekka O. ; Paulsen, Peter Kildeberg ; Nygaard, Hans ; Hasenkam, John Michael.

    I: The Annals of Thoracic Surgery, Vol. 81, 2006, s. 34-41.

    Publikation: Forskning - peer review › Tidsskriftartikel

  83. Udgivet

    New Insight into the Force Balance in the Mitral Valve Annulus. / Jensen, Morten Ølgaard Jegstrup ; Nielsen, Sten Lyager ; Smerup, Morten Holdgaard ; Jensen, Henrik ; Johansen, Peter ; Yoganathan, Ajit P. ; Hasenkam, John Michael ; Nygaard, Hans.

    2006. Poster session presented at The 55th Annual Meeting of the Scandinavian Association for Thoracic Surgery & The 26th Annual Meeting of the Scandinavian Society for Extracorporeal Technology, Reykjavik, Island.

    Publikation: Forskning › Poster

  84. Udgivet

    New Insight into the Mitral Valve Force Balance. / Jensen, Morten Ølgaard Jegstrup ; Nielsen, Sten Lyager ; Smerup, Morten Holdgaard ; Johansen, Peter ; Jensen, Henrik ; A.P., Yoganathan ; Hasenkam, John Michael ; Nygaard, Hans.

    2006. Abstract from Biomedical Engineering Society Annual Meeting, Chicago, USA.

    Publikation: Forskning › Konferenceabstrakt til konference

  85. Udgivet

    Patient's perception of mechanical heart valve sounds: psychoacoustics and quality of life. / Pedersen, Thais A. ; Nygaard, Hans ; Johansen, Peter ; Körtke, Heinrich ; Hasenkam, John Michael.

    2006. Poster session presented at 16th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  86. Udgivet

    Patient's perception of mechanical heart valve sounds: psychoacoustics and quality of life. / Pedersen, Thais A. ; Nygaard, Hans ; Johansen, Peter ; Körtke, Heinrich ; Hasenkam, John Michael.

    2006. Abstract from 16th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Konferenceabstrakt til konference

  87. Udgivet

    Stress Distribution and 3D Geometry in Mitral Valve Annuloplasty Rings: Ring Selection Implications. / Jensen, Morten Ølgaard Jegstrup ; Nielsen, Sten Lyager ; Smerup, Morten Holdgaard ; Johansen, Peter ; Jensen, Henrik ; Yoganathan, Ajit P. ; Hasenkam, John Michael ; Nygaard, Hans.

    2006. Abstract from 10th Annual Meeting. Advances in Innovative Technologies and Tissue Engineering for the Treatment of Heart Valve Disease, Hilton Head, USA.

    Publikation: Forskning › Konferenceabstrakt til konference

  88. Udgivet

    Stress Distribution and 3D Geometry in Mitral Valve Annuloplasty Rings: Ring Selection Implications. / Jensen, Morten Ølgaard Jegstrup ; Nielsen, Sten Lyager ; Smerup, Morten Holdgaard ; Johansen, Peter ; Jensen, Henrik ; Yoganathan, Ajit P. ; Hasenkam, John Michael ; Nygaard, Hans.

    2006. Poster session presented at 10th Annual Meeting. Advances in Innovative Technologies and Tissue Engineering for the Treatment of Heart Valve Disease, Hilton Head, USA.

    Publikation: Forskning › Poster

  89. Udgivet

    The Effect of Mitral Annuloplasty Rings on Mitral Valve 3D Geometry and Stress Distribution. / Jensen, Morten Ølgaard Jegstrup ; Nielsen, Sten Lyager ; Smerup, Morten Holdgaard ; Johansen, Peter ; Yoganathan, Ajit P. ; Hasenkam, John Michael ; Nygaard, Hans.

    2006. Poster session presented at PhD Day, University of Aarhus, Århus, Danmark.

    Publikation: Forskning › Poster

  90. Udgivet

    The effect of the aortic valve orientation on cavitation. / Johansen, Peter ; Ng, Him Shing ; Travis, Brandon Reed ; Smerup, Morten Holdgaard ; Funder, Jonas Amstrup ; Nyboe, Camilla ; Nygaard, Hans ; Hasenkam, John Michael.

    2006. Poster session presented at The 10th Annual Hilton Head Workshop and 2nd Biennial Heart Valve Meeting: Advances in Innovative Technologies and Tissue Engineering for the Treatment of Heart Valve Disease, Hilton Head Island, USA.

    Publikation: Forskning › Poster

  91. Udgivet

    The effect of the aortic valve position on cavitation. / Johansen, Peter ; Ng, Him Shing ; Travis, Brandon Reed ; Smerup, Morten Holdgaard ; Funder, Jonas Amstrup ; Nyboe, Camilla ; Nygaard, Hans ; Hasenkam, John Michael.

    2006. Poster session presented at 16th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  92. Udgivet

    Turbulent stress measurements downstream of three bileaflet heart valve designs in pigs. / Nyboe, Camilla ; Funder, Jonas Amstrup ; Smerup, Morten Holdgaard ; Nygaard, Hans ; Hasenkam, John Michael.

    I: European Journal of Cardio-Thoracic Surgery, Vol. 29, 2006, s. 1008-1013.

    Publikation: Forskning - peer review › Tidsskriftartikel

  93. Udgivet

    Visual Verification of Emboli Detection Using Doppler Ultrasound and Wavelet Transform. / Ng, Him Shing ; Johansen, Peter ; Nygaard, Hans ; Hasenkam, John Michael.

    2006. Abstract from International Symposium on Cardiovascular & Neurovascular Medicine in conjunction with International Heart Failure Symposium, Hongkong, Hongkong.

    Publikation: Forskning › Konferenceabstrakt til konference

  94. Udgivet

    Visual Verification of Emboli Detection Using Doppler Ultrasound and Wavelet Transform. / Ng, Him Shing ; Johansen, Peter ; Nygaard, Hans ; Hasenkam, John Michael.

    2006. Poster session presented at International Symposium on Cardiovascular & Neurovascular Medicine in conjunction with International Heart Failure Symposium, Hongkong, Hongkong.

    Publikation: Forskning › Poster

  95. Udgivet

    3D Geometry and Stress Distribution in Mitral Valve Annuloplasty Rings. / Jensen, Morten Ølgaard Jegstrup ; Nielsen, Sten Lyager ; Smerup, Morten Holdgaard ; Johansen, Peter ; Yoganathan, Ajit P. ; Hasenkam, John Michael ; Nygaard, Hans.

    2006. Poster session presented at 16th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  96. 2005
  97. Udgivet

    Assessment of Mechanical Heart Valve Integrity in patients using acoustic techniques requires ultrahigh frequency bandwidth high fidelity microphones. / Johansen, Peter ; Søgaard, Henrik ; Morgenstjerne, Ole R. ; Hasenkam, John Michael ; Nygaard, Hans.

    2005. Poster session presented at The 3rd European Medical & Biological Engineering Conference, Prag, Tjekkiet.

    Publikation: Forskning › Poster

  98. Udgivet

    Clinical evaluation of a novel ultrasound-based bladder volume monitor. / Kristiansen, Niels Kristian ; Nygaard, Hans ; Djurhuus, Jens Christian.

    I: Scandinavian Journal of Urology and Nephrology, Vol. 39, Nr. 4, 2005, s. 321-328.

    Publikation: Forskning - peer review › Tidsskriftartikel

  99. Udgivet

    Design and evaluation of a handheld impedance plethysmograph for measuring heart rate variability. / Kristiansen, Niels Kristian ; Fleischer, J. ; Jensen, M.S. ; Andersen, K. S. ; Nygaard, Hans.

    I: Medical & Biological Engineering & Computing, Vol. 43, 2005, s. 516-521.

    Publikation: Forskning - peer review › Tidsskriftartikel

  100. Udgivet

    Imbalanced chordal force distribution causes acute ischemic mitral regurgitation: mechanistic insights from chordae tendineae force measurements in pigs. / Nielsen, Sten Lyager ; Hansen, Søren B. ; Nielsen, K.O. ; Nygaard, Hans ; Paulsen, Peter Kildeberg ; Hasenkam, John Michael.

    I: The Journal of Thoracic and Cardiovascular Surgery, Vol. 129, Nr. 3, 2005, s. 525-531.

    Publikation: Forskning - peer review › Tidsskriftartikel

  101. Udgivet

    In-vivo turbulent stresses of bileaflet prosthesis leakage jets.. / Travis, Brandon Reed ; Christensen, Thomas Decher Christensen ; Smerup, Morten Holdgaard ; Olsen, Morten Smærup ; Hasenkam, John Michael ; Nygaard, Hans.

    I: Journal of Heart Valve Disease, Vol. 14, Nr. 5, 2005, s. 644-655.

    Publikation: Forskning - peer review › Tidsskriftartikel

  102. Udgivet

    Mechanical heart valve cavitation in bileaflet valves. / Johansen, Peter ; Andersen, Tina S. ; Hasenkam, John Michael ; Nygaard, Hans.

    2005. Abstract from First International Conference on Mechanics of Biomaterials & Tissues, Waikoloa, USA.

    Publikation: Forskning › Konferenceabstrakt til konference

  103. Udgivet

    Mechanical heart valve integrity in patients assessed using acoustic techniques requires ultrahigh frequency high fidelity microphones. / Johansen, Peter ; Søgaard, Henrik ; Morgenstjerne, Ole ; Hasenkam, John Michael ; Nygaard, Hans.

    2005. Poster session presented at New Era2005 Cardiac Care: Innovation & Technology, Dana Point, USA.

    Publikation: Forskning › Poster

  104. Udgivet

    Psychoacoustic Quantification of Mechanical Heart Valve Noise. / Nielsen, Thomas ; Nielsen, Torben V. ; Johansen, Peter ; Hasenkam, John Michael ; Nygaard, Hans.

    I: Journal of Heart Valve Disease, Vol. 14, Nr. 1, 2005, s. 89-95.

    Publikation: Forskning - peer review › Tidsskriftartikel

  105. Udgivet

    Turbulent Stress Measurements Downstream of Three Bileaflet Heart Valve Designs in Pigs. / Nyboe, Camilla ; Funder, Jonas Amstrup ; Smerup, Morten Holdgaard ; Nygaard, Hans ; Hasenkam, John Michael.

    2005. Poster session presented at 54th Annual Meeting of the Scandinavian Association of Thoracic Surgery, Bergen, Norge.

    Publikation: Forskning › Poster

  106. Udgivet

    Urinary bladder volume tracking using a Kalman filter. / Kristiansen, Niels Kristian ; Sjöström, S.O. ; Nygaard, Hans.

    I: Medical & Biological Engineering & Computing, Vol. 43, 2005, s. 331-334.

    Publikation: Forskning - peer review › Tidsskriftartikel

  107. Udgivet

    Visual verification of emboli detection (size and count)using Doppler ultrasound and wavelet transform. / Ng, Him Shing ; Nygaard, Hans ; Hasenkam, John Michael ; Johansen, Peter.

    2005. Poster session presented at 15th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norge.

    Publikation: Forskning › Poster

  108. Udgivet

    Visual Verification of Emboli Detection Using Doppler Ultrasound and Wavelet Transform. / Ng, Him Shing ; Nygaard, Hans ; Hasenkam, John Michael ; Johansen, Peter.

    2005. Poster session presented at Third Biennial Meeting of The Society for Heart Valve Disease, Vancouver, Canada.

    Publikation: Forskning › Poster

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