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.
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. (2016).
Comparing maximum autonomic activity of psychogenic non-epileptic seizures and epileptic seizures using heart rate variability.
Seizure - European Journal of Epilepsy,
37, 13-19.
https://doi.org/10.1016/j.seizure.2016.02.005
Jeppesen, J., Beniczky, S., Johansen, P., Sidenius, P. C. & Fuglsang-Frederiksen, A. (2016).
Detecting epileptic seizures with ECG using geometric analyses of heart rate variability. Abstract from 26th Annual Scientific Meeting of the SSRCTS, Geilo, Norway.
Jeppesen, J., Beniczky, S., Johansen, P., Sidenius, P. & Fuglsang-Frederiksen, A. (2015).
Detection of epileptic seizures with a modified heart rate variability algorithm based on Lorenz plot.
Seizure - European Journal of Epilepsy,
24, 1-7.
https://doi.org/10.1016/j.seizure.2014.11.004
Jeppesen, J., Beniczky, S., Johansen, P., Sidenius, P. C. & Fuglsang-Frederiksen, A. (2017).
Fully automated R-peak detection algorithm for patients with epilepsy: first step towards portable seizure detector.
Clinical Neurophysiology,
128(9), e282.
Jeppesen, J., Beniczky, S., Johansen, P., Christensen, J. & Fuglsang-Frederiksen, A. (2018).
Automated R-Peak Detection Algorithm for Patients with Epilepsy Using Portable ECG.
Clinical Neurophysiology,
129(Supplement 1), e134-135. Article F117.
https://doi.org/10.1016/j.clinph.2018.04.340
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
Jeppesen, 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
Johansen, P., Fontaine, A. A., Deutsch, S., Manning, K. B.
, Nygaard, H. & Tarbell, J. M. (2003).
A new method for evaluation of cavitation near mechanical heart valves.
Journal of Biomechanical Engineering,
125(5), 663-670.
Johansen, P., Riis, C.
, Hasenkam, J. M., Paulsen, P. K. & Nygaard, H. (2000).
A new method for quantitative evaluation of perceived sounds from mechanical heart valve prostheses.
Proc Inst Medch Eng,
214(1), 121-128.
Johansen, P., Travis, B. R., Paulsen, P. K., Nygaard, H. & Hasenkam, J. M. (2003).
Cavitaion caused by mechanical heart valve prosthesis: A review.
APMIS, (109), 108-112.
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.
Johansen, P., Søgaard, H., Morgenstjerne, O. R.
, Hasenkam, J. M. & Nygaard, H. (2005).
Assessment of Mechanical Heart Valve Integrity in patients using acoustic techniques requires ultrahigh frequency bandwidth high fidelity microphones. Poster session presented at The 3rd European Medical & Biological Engineering Conference, Prag, Czech Republic.
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.
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., Andersen, T. S.
, Hasenkam, J. M., Nygaard, H. & Paulsen, P. K. (2007).
Mechanical heart valve cavitation in patients with bileaflet valves. Poster session presented at 17th
Annual Meeting of The Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Johansen, P., Sørensen, L., Christensen, J.
, Funder, J. A. & Nygaard, H. (2009).
Determining Local Stresses and Forces in the Heart Valves through a new Dielectric Elctro Active Polymer based Strain Transducer. Poster session presented at 5th Biennial Meeting of the Society for Heart Valve Disease, Berlin, Germany.
Johansen, P., Andersen, T. S.
, Hasenkam, J. M., Nygaard, H. & Paulsen, P. K. (2015).
Cavitation in patients with bileaflet mechanical heart valves. Poster session presented at The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Johansen, P., Engholt, H.
, Tang, M., Nybo, R. F., Rasmussen, P. D.
& Nielsen-Kudsk, J. E. (2017).
Fracturing mechanics before valve-in-valve therapy of small aortic bioprosthetic heart valves.
EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology,
13(9), e1026-e1031.
https://doi.org/10.4244/EIJ-D-17-00245
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
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.
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.
Lading, T., Røpcke, D. M., Lindskow, T.
, Bechsgaard, T. K., Johansen, P., Nygaard, H., Hasenkam, J. M. & Nielsen, S. L. (2015).
Comparison of the aortic root remodeling techniques - with and without a supporting annular ring. An vitro evaluation.. Poster session presented at The 25th Annual Meeting of the Scandinavian Society for Research in Cardiothoracic Surgery, Geilo, Norway.
Lading, T., Lindskow, T.
, Bechsgaard, T. K., Røpcke, D. M., Nygaard, H., Hasenkam, J. M., Johansen, P. & Nielsen, S. L. (2016).
Biomechanical description of the aortic root repair techniques - with supporting external annuloplasty. Abstract from 26th Annual Meeting SSRCTS, Geilo, Norway.
Lading, T., Lindskow, T.
, Bechsgaard, T. K., Lyager, D. M. R., Johansen, P. & Nielsen, S. L. (2017).
Adding annuloplasty ring to remodeling aortic valve sparing repair is equal to reimplantation technique - insights from in vitro stress-strain characterization. Abstract from HVS Scientific Meeting, Monaco, Monaco.
