Andersen, T. S.
, Johansen, P., Paulsen, P. K., Nygaard, H. & Hasenkam, J. M. (2003).
Indication of cavitation in mechanical heart valve patients.
J Heart Valve Dis,
12(6), 790-796.
Andersen, T. S.
, Johansen, P., Christensen, B. O., Paulsen, P. K.
, Nygaard, H. & Hasenkam, J. M. (2006).
Intraoperative and Postoperative Evaluation of Cavitation in Mechanical Heart Valve Patients.
Annals of Thoracic Surgery,
81, 34-41.
Andersen, S., Laursen, P. H.
, Wood, G. J., Lyhne, M. D., Madsen, T. L., Hansen, E. S. S., Johansen, P., Kim, W. Y. & Andersen, M. J. (2024).
Comparison of admittance and cardiac magnetic resonance generated pressure-volume loops in a porcine model.
Physiological Measurement,
45(5), Article 055014.
https://doi.org/10.1088/1361-6579/ad4a03
Bauer, A., Hausmann, H., Schaarschmidt, J., Scharpenberg, M.
, Troitzsch, D., Johansen, P., Nygaard, H., Eberle, T.
& Michael Hasenkam, J. (2018).
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.
Perfusion,
33(2), 136-147.
https://doi.org/10.1177/0267659117728195
Bechsgaard, T.
, Hønge, J. L., Nygaard, H., Nielsen, S. L. & Johansen, P. (2013).
Impact of aortic valve repair on the stress distribution of the aortic root. Abstract from 23rd Scientific Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Bechsgaard, T. K., Hønge, J. L., Nygaard, H., Nielsen, S. L. & Johansen, P. (2014).
New transducers to measure forces in the aortic annulus and at the valve commissures. Abstract from 24th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Bechsgaard, T. K., Laugesen, S., Hønge, J. L., Nygaard, H., Nielsen, S. L. & Johansen, P. (2014).
Design and calibration of transducers for aortic root force measurement. In
BMES 2014 Annual Meeting: Bioengineering innovations to catalyze affordable health care Article 568 Biomedical Engineering Society.
http://bmes.org/files/BMES%202014%20Program_FINAL.pdf
Bechsgaard, T. K., Hønge, J. L., Laugesen, S., Nygaard, H., Nielsen, S. L. & Johansen, P. (2014).
Development of force transducers for biomechanical assessment of aortic root surgery. In
7th World Congress of Biomechanics (WCB 2014): Abstracts Article T47
http://wcb2014.com/
Bechsgaard, T. K., Hønge, J. L., Laugesen, S., Nygaard, H., Nielsen, S. L. & Johansen, P. (2014).
Platform to evaluate aortic root repair techniques based on new implantable force transducers. In
Valves in the Heart of Big Apple VIII: Evaluation & Management of Valvular Heart Disease 2014 http://heartvalveconference.com/2014/V2.cgi
Bechsgaard, T. K., Laugesen, S., Hønge, J. L., Nygaard, H., Nielsen, S. L. & Johansen, P. (2015).
Design, calibration and preliminary results of force transducers for aortic root repairs. Abstract from The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Bechsgaard, T. K., Laugesen, S., Hønge, J. L., Nygaard, H., Nielsen, S. L. & Johansen, P. (2014).
Aortic annulus and commissural force transducers development and calibration. Abstract from 24th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Bechsgaard, T. K., Lindskow, T.
, Lading, T., Rasmussen, J., Røpcke, D. M., Tjørnild, M. J., Nygaard, H., Johansen, P. & Nielsen, S. L. (2016).
Geometric comparison of aortic root repair procedures, an in vivo experiment. Abstract from 26th Annual Meeting SSRCTS, Geilo, Norway.
Bechsgaard, T. K., Lading, T., Lindskow, T.
, Nygaard, H., Nielsen, S. L. & Johansen, P. (2015).
Force Alterations in the Aortic Root after Reconstructive Surgery: An In Vitro Experiment. Abstract from BMES 2015 Annual Meeting, Tampa, Florida, United States.
http://submissions.mirasmart.com/BMESArchive/Browse.aspx?colID=8
Bechsgaard, T. K., Lindskow, T.
, Lading, T., Lyager, D. M. R., Nygaard, H., Johansen, P. & Nielsen, S. L. (2017).
Geometric comparison of repair procedures for the aortic root, an in vivo experiment. Poster session presented at Aarhus University Graduate School of Health, PhD Day 2017, Aarhus, Denmark.
Bechsgaard, T. K., Nygaard, H., Nielsen, S. L. & Johansen, P. (2017).
New implantable force transducer for the aortic annulus. Poster session presented at SB3C Summer Biomechanics, Bioengineering and Biotransport Conference, Tucson, Arizona, United States.
Bechsgaard, T. K., Hønge, J. L., Nygaard, H., Nielsen, S. L. & Johansen, P. (2017).
Biomechanical assessment of the aortic root using novel force transducers.
Journal of Biomechanics,
61, 58-64.
https://doi.org/10.1016/j.jbiomech.2017.07.003
Bechsgaard, T., Lindskow, T.
, Lading, T., Hasenkam, J. M., Nygaard, H., Johansen, P. & L Nielsen, S. (2018).
Biomechanical characterization of the native porcine aortic root.
Journal of Biomechanics,
74, 156-162.
https://doi.org/10.1016/j.jbiomech.2018.04.037
Bechsgaard, T., Lindskow, T., Lading, T., Røpcke, D. M., Nygaard, H., Johansen, P., Nielsen, S. L. & Hasenkam, J. M. (2019).
Biomechanical characterization and comparison of different aortic root surgical techniques.
Interactive Cardiovascular and Thoracic Surgery,
28(1), 112-119.
https://doi.org/10.1093/icvts/ivy187
Benhassen, L. L., Hedensted, J. H., Sharghbin, M., Bechsgaard, T., Nielsen, S. L., Hasenkam, J. M. & Johansen, P. (2023).
Comparison of aortic valve repair techniques with single- and double-ring annuloplasties.
European Journal of Cardio-Thoracic Surgery,
63(5), Article ezad164.
https://doi.org/10.1093/ejcts/ezad164
Bieniek, J. M.
, Ng, H. S., Manning, K. B., Fontaine, A. A.
, Johansen, P. & Deutsch, S. (2005).
Stable Bubble Release from Mechanical Heart Valves in a Mock Circulatory Loop. Poster session presented at 51
st Annual Conference in the American Society for Artificial Internal Organs, Washington, United States.
Birkemose, M., Juul Møller, A., Lænsø Madsen, M.
, Brantlov, S., Sørensen, H., Overgaard, K. & Johansen, P. (2013).
Electrode placement in bioimpedance spectroscopy.
Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).
https://doi.org/10.1109/EMBC.2013.6610178Bontempi, L., Zattoni, M., Ramella, A., Migliavacca, F.
, Ringgaard, S., Kim, W. Y., Johansen, P. & Colombo, M. (2025).
Idealized aortic annuloplasty FSI digital twin of 3D-printed phantoms with 4D-flow MRI comparison.
Computers in Biology and Medicine,
192, Article 110398.
https://doi.org/10.1016/j.compbiomed.2025.110398Bruus, D., Lindhardt, I., Weng, P. B. S., Galsgaard, R.
& Johansen, P. (2015).
Design of custom-made TAVI valve for low-cost valve concept testing. Abstract from The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Carlson Hanse, L., Tjørnild, M. J., Johansen, P., Lugones, I.
& Hjortdal, V. E. (2019).
A new pulmonary valve repair technique for congenital heart surgery: in vitro evaluation. Abstract from 29th Annual Meeting SSRCTS, Geilo, Norway.
Carlson Hanse, L., Tjørnild, M. J., Sørensen, S. G., Johansen, P., Lugones, I.
& Hjortdal, V. E. (2022).
Trileaflet Semilunar Valve Reconstruction: Pulsatile In Vitro Evaluation.
Interactive Cardiovascular and Thoracic Surgery,
35(4), Article ivac227.
https://doi.org/10.1093/icvts/ivac227
Carlson Hanse, L., Tjørnild, M. J., Karunanithi, Z., Jedrzejczyk, J. H., Islamagič, L.
, Hummelshøj, N. E., Enevoldsen, M., Johansen, P., Lauridsen, M. H. & Hjortdal, V. E. (2023).
A handsewn pericardial valved pulmonary conduit: pulsatile flow loop in vitro and acute porcine in vivo evaluation.
European Journal of Cardio-Thoracic Surgery,
63(4), Article ezad143.
https://doi.org/10.1093/ejcts/ezad143
Engholt, H., Rasmussen, P. D.
, Tang, M., Nielsen-Kudsk, J. E. & Johansen, P. (2017).
Fracturing surgical bioprosthetic heart valves by high-pressure balloon dilatation in-vitro. Abstract from 27th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Frost, M. W.
, Funder, J. A., Klaaborg, K.-E.
, Wierup, P., Johansen, P., Nygaard, H. & Hasenkam, J. M. (2009).
Leaflet closing motion of stentless heart valves. Abstract from 19th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Hedensted, J. H., Benhassen, L. L., Lyager, D. M. R., Bechsgaard, T. K., Johansen, P. & Nielsen, S. L. (2017).
Comparison of valve-sparing aortic root repair techniques with single and double annuloplasty rings. Poster session presented at 27th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Hedensted, J. H., Benhassen, L. L., Bechsgaard, T. K., Johansen, P., Nielsen, S. L. & Hasenkam, J. M. (2018).
Comparison of valve-sparing aortic root repair techniques with single and double annuloplasty rings. Abstract from 28th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Heide-Jørgensen, S., Taborsky, J., Krishna, S. K., Zegdi, R.
& Johansen, P. (2014).
Non-circular TAVI deployment's impact on maximum orifice area. Abstract from 24th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Heide-Jørgensen, S., Krishna, S. K., Taborsky, J.
, Bechsgaard, T. K., Hønge, J. L., Zegdi, R.
& Johansen, P. (2015).
Novel assessment of strain distribution with high spatiotemporal resolution on aortic valve leaflets. Abstract from The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Heide-Jørgensen, S., Kumaran Krishna, S., Taborsky, J.
, Bechsgaard, T. K., Zegdi, R.
& Johansen, P. (2016).
A Novel Method for Optical High Spatiotemporal Strain Analysis for Transcatheter Aortic Valves In Vitro.
Journal of Biomechanical Engineering,
138(3), Article 034504.
https://doi.org/10.1115/1.4032501
Heide-Jørgensen, S., Taborsky, J., Krishna, S. K.
, Bechsgaard, T. K., Hønge, J. L., Zegdi, R.
& Johansen, P. (2015).
Bioprosthetic Heart Valve Leaflet 3D Strain Mapping using Digital Image Correlation. Abstract from BMES 2015 Annual Meeting, Tampa, Florida, United States.
http://submissions.mirasmart.com/BMESArchive/Browse.aspx?colID=8
Heide-Jørgensen, S., Krishna, S. K., Taborsky, J., Bechsgaard, T.
, Hønge, J. L., Zegdi, R.
& Johansen, P. (2014).
A Novel Method for High Resolution Non-Contact Tissue Strain and Deformation Analysis. Abstract from DMTS 2014, Brædstrup, Denmark.
Holck, E. N., Andreasen, L. N., Hansen, E. K., Thomsen, J. S., Brüel, A., Johansen, P., Christiansen, E. H. & Jakobsen, L. (2025).
Complex Treatment of a Coronary Bifurcation Perforation With a Dual-Covered Stent Strategy.
JACC: Case Reports,
30(7), Article 103382.
https://doi.org/10.1016/j.jaccas.2025.103382
Jensen, M. Ø. J., Nielsen, S. L., Smerup, M. H., Jensen, H., Johansen, P., Yoganathan, A. P.
, Hasenkam, J. M. & Nygaard, H. (2006).
New Insight into the Force Balance in the Mitral Valve Annulus. 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, Iceland.
Jensen, M. Ø. J., Nielsen, S. L., Smerup, M. H., Johansen, P., Yoganathan, A. P.
, Hasenkam, J. M. & Nygaard, H. (2006).
3D Geometry and Stress Distribution in Mitral Valve Annuloplasty Rings. Poster session presented at 16th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Jensen, M. Ø. J., Nielsen, S. L., Smerup, M. H., Johansen, P., Jensen, H., A.P., Y.
, Hasenkam, J. M. & Nygaard, H. (2006).
New Insight into the Mitral Valve Force Balance. Abstract from Biomedical Engineering Society Annual Meeting, Chicago, United States.
Jensen, M. Ø. J., Nielsen, S. L., Smerup, M. H., Johansen, P., Jensen, H., Yoganathan, A. P.
, Hasenkam, J. M. & Nygaard, H. (2006).
Stress Distribution and 3D Geometry in Mitral Valve Annuloplasty Rings: Ring Selection Implications. Abstract from 10th Annual Meeting. Advances in Innovative Technologies and Tissue Engineering for the Treatment of Heart Valve Disease, Hilton Head, United States.
Jensen, M. Ø. J., Nielsen, S. L., Smerup, M. H., Johansen, P., Jensen, H., Yoganathan, A. P.
, Hasenkam, J. M. & Nygaard, H. (2006).
Stress Distribution and 3D Geometry in Mitral Valve Annuloplasty Rings: Ring Selection Implications. Poster session presented at 10th Annual Meeting. Advances in Innovative Technologies and Tissue Engineering for the Treatment of Heart Valve Disease, Hilton Head, United States.
Jensen, M. Ø. J., Jensen, H., Nielsen, S. L., Smerup, M. H., Johansen, P., Yoganathan, A. P.
, Nygaard, H. & Hasenkam, J. M. (2007).
Force Balance in the Mitral Valve Annulus: New Results from Novel Modalities and Measurement Techniques. Poster session presented at 17th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Jensen, M. Ø. J., Jensen, H., Nielsen, S. L., Smerup, M. H., Johansen, P., Yoganathan, A. P.
, Nygaard, H. & Hasenkam, J. M. (2007).
How to interpret the function of annuloplasty devices.. Abstract from 4th Biennial Meeting of The Society for Heart Valve Disease, New York, United States.
Jensen, M. Ø. J., Jensen, H., Nielsen, S. L., Smerup, M. H., Johansen, P., Yoganathan, A. P.
, Nygaard, H. & Hasenkam, J. M. (2008).
What Forces Act on a Flat Rigid Mitral Annuloplasty Ring? Journal of Heart Valve Disease,
17, 267-275.
Jensen, M. Ø. J., Nielsen, S. L., Smerup, M. H., Johansen, P., Yoganathan, A. P.
, Hasenkam, J. M. & Nygaard, H. (2006).
The Effect of Mitral Annuloplasty Rings on Mitral Valve 3D Geometry and Stress Distribution. Poster session presented at PhD Day, University of Aarhus, Århus, Denmark.
