Johansen, P., Søgaard, H., Morgenstjerne, O.
, Hasenkam, J. M. & Nygaard, H. (2005).
Mechanical heart valve integrity in patients assessed using acoustic techniques requires ultrahigh frequency high fidelity microphones. Poster session presented at New Era2005 Cardiac Care: Innovation & Technology, Dana Point, United States.
Nielsen, S. L., Lomholt, M.
, Johansen, P., Hansen, S. B., Andersen, N. T. & Hasenkam, J. M. (2011).
Mitral ring annuloplasty relieves tension of the secondary but not primary chordae tendineae in the anterior mitral leaflet.
Journal of Thoracic and Cardiovascular Surgery,
141(3), 732-7.
https://doi.org/10.1016/j.jtcvs.2010.05.011
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.
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., 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.
Jeppesen, J., Beniczky, S., Johansen, P., Sidenius, P. C. & Fuglsang-Frederiksen, A. (2014).
New modified heart rate variability analyses as detector of epileptic seizures.
Clinical Neurophysiology,
125(S1), S255.
Jeppesen, J., Beniczky, S., Johansen, P., Sidenius, P. C. & Fuglsang-Frederiksen, A. (2013).
New modified Heart Rate Variability analysis as detector of epilectic seizures. Poster session presented at Danske Medicotekniske Landsmøde, Brædstrup, Denmark.
Jeppesen, J., Beniczky, S., Sidenius, P. C., Johansen, P. & Fuglsang-Frederiksen, A. (2013).
New modified Heart Rate Variability analysis as detector of epilectic seizures. Poster session presented at Horizons in Clinical Neurophysiology, Oxford, United Kingdom.
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.
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.
Krishna, S. K., Christensen, J., Taborsky, J., Heide-Jørgensen, S.
, Bechsgaard, T. K., Hønge, J. L., Zegdi, R.
& Johansen, P. (2014).
Non-contact strain measurements with high spatial and temporal resolution on aortic valves. 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.
Noor, M. A., Benhassen, L. L., Kaspersen, A. E., Weiss, M. G., Hasenkam, J. M. & Johansen, P. (2023).
Novel Expansible Aortic Annuloplasty Ring Exhibits Similar Characteristics as the Dacron Ring—an In Vitro Evaluation.
Journal of Cardiovascular Translational Research,
16(5), 1144-1152.
https://doi.org/10.1007/s12265-023-10393-7
Jeppesen, J., Fuglsang-Frederiksen, A., Johansen, P., Christensen, J., Wüstenhagen, S.
, Tankisi, H., Qerama, E., Hess, A. & Beniczky, S. (2019).
O-45 Automated seizure detection for epilepsy patients using wearable ECG-device.
Clinical Neurophysiology,
130(7), e36.
https://doi.org/10.1016/j.clinph.2019.04.360
Pedersen, T. A., Nygaard, H., Johansen, P., Körtke, H.
& Hasenkam, J. M. (2006).
Patient's perception of mechanical heart valve sounds: psychoacoustics and quality of life. Poster session presented at 16th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Pedersen, T. A., Nygaard, H., Johansen, P., Körtke, H.
& Hasenkam, J. M. (2006).
Patient's perception of mechanical heart valve sounds: psychoacoustics and quality of life. Abstract from 16th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
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
Nielsen, T., Nielsen, T. V.
, Johansen, P., Hasenkam, J. M. & Nygaard, H. (2005).
Psychoacoustic Quantification of Mechanical Heart Valve Noise.
Journal of Heart Valve Disease,
14(1), 89-95.
Sørensen, B.
, Johansen, P., Nielsen, G. L., Sørensen, J. C. & Ingerslev, J. (2003).
Reversal of the International Normalized Ratio with recombinant activated factor VII in central nervous system bleeding during warfarin thromboprophylaxis: clinical and biochemical aspects.
Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis,
14(5), 469-77.
https://doi.org/10.1097/01.mbc.0000061332.06975.47Jeppesen, J., Fuglsang-Frederiksen, A., Johansen, P., Christensen, J., Wüstenhagen, S.
, Tankisi, H., Qerama, E., Hess, A. & Beniczky, S. (2019).
Seizure detection based on heart rate variability using a wearable electrocardiography device.
Epilepsia,
60(10), 2105-2113.
https://doi.org/10.1111/epi.16343
Jeppesen, J., Fuglsang-Frederiksen, A., Johansen, P., Christensen, J., Wüstenhagen, S.
, Tankisi, H., Qerama, E. & Beniczky, S. (2020).
Seizure detection using heart rate variability: A prospective validation study.
Epilepsia,
61 (S1), S41-S46.
https://doi.org/10.1111/epi.16511
Jeppesen, J., Christensen, J., Ahrenfeldt Petersen, O., Fenger, S.
, Armand Larsen, S., Wüstenhagen, S.
, Wagner, S. R., Johansen, P. & Beniczky, S. (2025).
Seizure detection using wearable electrocardiogram connected to a smartphone: a phase 3 clinical validation study.
EBioMedicine,
120, Article 105952.
https://doi.org/10.1016/j.ebiom.2025.105952
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
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.
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.
Pirk, J. L., Krishna, K., Taborsky, J., Nielsen, M. H., Heide-Jørgensen, S.
, Hønge, J. L., Zegdi, R.
& Johansen, P. (2013).
The effect of bulging sinuses of valsalva on valve dynamics - an in vitro study of TAVI valves. Abstract from 23rd Scientific Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
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.
Krishna, K., Galsgaard, R., Heide-Jørgensen, S.
, Bechsgaard, T. K., Zegdi, R.
, Bräuner, L. E., Nygaard, J. V. & Johansen, P. (2015).
The effect of TAVI oversizing on valve tissue stresses. Poster session presented at The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Johansen, P., Ng, H. S., Travis, B. R., Smerup, M. H., Funder, J. A., Nyboe, C., Nygaard, H. & Hasenkam, J. M. (2006).
The effect of the aortic valve orientation on cavitation. 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, United States.
Johansen, P., Travis, B. R., Smerup, M. H., Christensen, T. D., Funder, J. A., Nyboe, C., Nygaard, H. & Hasenkam, J. M. (2016).
The effect of the aortic valve orientation on cavitation. In
2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) (pp. 4305-4308). IEEE.
https://doi.org/10.1109/EMBC.2016.7591679
Johansen, P., Ng, H. S.
, Travis, B. R., Smerup, M. H., Funder, J. A., Nyboe, C., Nygaard, H. & Hasenkam, J. M. (2006).
The effect of the aortic valve position on cavitation. Poster session presented at 16th Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Rasmussen, P. D., Engholt, H.
, Benhassen, L. L., Tang, M., Andersen, H. R., Nielsen-Kudsk, J. E. & Johansen, P. (2017).
The effects of the aortic root on the fracturing pressure of bioprosthetic heart valves. Poster session presented at 27th Annual Meeting, Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
