Zobrazeno 1 - 10
of 221
pro vyhledávání: '"J. Struijk"'
Autor:
Parastoo Dehkordi, Farzad Khosrow-Khavar, Marco Di Rienzo, Omer T. Inan, Samuel E. Schmidt, Andrew P. Blaber, Kasper Sørensen, Johannes J. Struijk, Vahid Zakeri, Prospero Lombardi, Md. Mobashir H. Shandhi, Mojtaba Borairi, John M. Zanetti, Kouhyar Tavakolian
Publikováno v:
Frontiers in Physiology, Vol 10 (2019)
Cardiac time intervals are important hemodynamic indices and provide information about left ventricular performance. Phonocardiography (PCG), impedance cardiography (ICG), and recently, seismocardiography (SCG) have been unobtrusive methods of choice
Externí odkaz:
https://doaj.org/article/66edf2b80b6f4fbd865b9a84b30e49ce
Autor:
Olaf T. von Ramm, Martin S. Andersen, Joseph Kisslo, Peter Søgaard, Samuel Emil Schmidt, Melissa LeFevre, Daniel J. Friedman, Johannes J. Struijk, Kristine Arges, Brett D. Atwater, Cooper Moore
Publikováno v:
Andersen, M S, Moore, C, LeFevre, M, Arges, K, Friedman, D J, Atwater, B D, Kisslo, J, Søgaard, P, Struijk, J J, von Ramm, O T & Schmidt, S E 2020, ' Contractile Fronts In The Interventricular Septum : A Case For High Frame Rate Echocardiographic Imaging ', Ultrasound in Medicine and Biology, vol. 46, no. 9, pp. 2181-2192 . https://doi.org/10.1016/j.ultrasmedbio.2020.04.028
The real time high frame rate (HFR) 2-dimensional ultrasound system, T5, at Duke University is capable of imaging at up to 1000 images per second for adult cardiac imaging. A method for detecting and visualizing the mechanical contraction fronts usin
Autor:
Johannes J. Struijk, Mads Græsbøll Christensen, Axel Cosmus Pyndt Diederichsen, Simon Winther, Louise Nissen, Morten Bøttcher, Bjarke Skogstad Larsen, Samuel Emil Schmidt
Publikováno v:
Larsen, B S, Winther, S, Nissen, L, Diederichsen, A, Bøttcher, M, Struijk, J J, Christensen, M G & Schmidt, S E 2021, ' Spectral analysis of heart sounds associated with coronary artery disease ', Physiological Measurement, vol. 42, no. 10, 105013 . https://doi.org/10.1088/1361-6579/ac2fb7
Larsen, B S, Winther, S, Nissen, L, Diederichsen, A, Bøttcher, M, Jan Struijk, J, Christensen, M G & Schmidt, S E 2021, ' Spectral analysis of heart sounds associated with coronary artery disease ', Physiological measurement, vol. 42, no. 10 . https://doi.org/10.1088/1361-6579/ac2fb7
Larsen, B S, Winther, S, Nissen, L, Diederichsen, A, Bøttcher, M, Jan Struijk, J, Christensen, M G & Schmidt, S E 2021, ' Spectral analysis of heart sounds associated with coronary artery disease ', Physiological Measurement, vol. 42, no. 10, 105013 . https://doi.org/10.1088/1361-6579/ac2fb7
Larsen, B S, Winther, S, Nissen, L, Diederichsen, A, Bøttcher, M, Jan Struijk, J, Christensen, M G & Schmidt, S E 2021, ' Spectral analysis of heart sounds associated with coronary artery disease ', Physiological measurement, vol. 42, no. 10 . https://doi.org/10.1088/1361-6579/ac2fb7
Larsen, B S, Winther, S, Nissen, L, Diederichsen, A, Bøttcher, M, Jan Struijk, J, Christensen, M G & Schmidt, S E 2021, ' Spectral analysis of heart sounds associated with coronary artery disease ', Physiological Measurement, vol. 42, no. 10, 105013 . https://doi.org/10.1088/1361-6579/ac2fb7
Objective. The aim of this study was to find spectral differences of diagnostic interest in heart sound recordings of patients with coronary artery disease (CAD) and healthy subjects. Approach. Heart sound recordings from three studies were pooled, a
Autor:
Louise Nissen, Lars Knudsen, Lene Helleskov Madsen, Niels Ramsing Holm, Bjarke Skogstad Larsen, Samuel Emil Schmidt, Mette Nyegaard, Johannes J. Struijk, Simon Winther, Hans Erik Bøtker, Lars Frost, Evald Høj Christiansen, Ina Trolle Andersen, Morten Bøttcher, Jelmer Westra, Grazina Urbonaviciene
Publikováno v:
Winther, S, Nissen, L, Schmidt, S E, Westra, J, Andersen, I T, Nyegaard, M, Madsen, L H, Knudsen, L L, Urbonaviciene, G, Larsen, B S, Struijk, J J, Frost, L, Holm, N R, Christiansen, E H, Botker, H E & Bottcher, M 2021, ' Advanced heart sound analysis as a new prognostic marker in stable coronary artery disease ', European Heart Journal-Digital Health, vol. 2, no. 2, pp. 279-289 . https://doi.org/10.1093/ehjdh/ztab031
Winther, S, Nissen, L, Schmidt, S E, Westra, J, Andersen, I T, Nyegaard, M, Madsen, L H, Knudsen, L L, Urbonaviciene, G, Larsen, B S, Struijk, J J, Frost, L, Holm, N R, Christiansen, E H, Bøtker, H E & Bøttcher, M 2021, ' Advanced heart sound analysis as a new prognostic marker in stable coronary artery disease ', European Heart Journal-Digital Health, vol. 2, no. 2, pp. 279–289 . https://doi.org/10.1093/ehjdh/ztab031
Winther, S, Nissen, L, Schmidt, S E, Westra, J, Andersen, I T, Nyegaard, M, Madsen, L H, Knudsen, L L, Urbonaviciene, G, Larsen, B S, Struijk, J J, Frost, L, Holm, N R, Christiansen, E H, Bøtker, H E & Bøttcher, M 2021, ' Advanced heart sound analysis as a new prognostic marker in stable coronary artery disease ', European Heart Journal-Digital Health, vol. 2, no. 2, pp. 279–289 . https://doi.org/10.1093/ehjdh/ztab031
Aims Recent technological advances enable diagnosing of obstructive coronary artery disease (CAD) from heart sound analysis with a high negative predictive value. However, the prognostic impact of this approach remains unknown. To investigate the pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::542bf072d8c48fa1481950e46662b7c7
https://pure.au.dk/portal/da/publications/advanced-heart-sound-analysis-as-a-new-prognostic-marker-in-stable-coronary-artery-disease(052445ca-a833-4d2e-b9a3-baa2dcc2cee2).html
https://pure.au.dk/portal/da/publications/advanced-heart-sound-analysis-as-a-new-prognostic-marker-in-stable-coronary-artery-disease(052445ca-a833-4d2e-b9a3-baa2dcc2cee2).html
Publikováno v:
Munck, K, Sørensen, K, Struijk, J J & Schmidt, S E 2020, ' Multichannel seismocardiography : An imaging modality for investigating heart vibrations ', Physiological Measurement, vol. 41, no. 11, 115001 . https://doi.org/10.1088/1361-6579/abc0b7
Objective: Seismocardiography is the measurement of vibration waves caused by the beating heart with accelerometer(s) placed on the chest. Investigating the nature and the behavior of these vibration waves, by comparing measurements from multiple sit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36a22a2224afb70810779ddde56b2a11
https://vbn.aau.dk/ws/files/405077850/Munck_2020_Physiol._Meas._41_115001.pdf
https://vbn.aau.dk/ws/files/405077850/Munck_2020_Physiol._Meas._41_115001.pdf
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-6 (2020)
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Autor:
Johannes J. Struijk, Peter Søgaard, Dan Stieper Karbing, Samuel Emil Schmidt, Mathias Krogh Poulsen, Kasper Sørensen
Publikováno v:
Sørensen, K, Poulsen, M K, Karbing, D S, Søgaard, P, Struijk, J J & Schmidt, S E 2020, ' A Clinical Method for Estimation of VO2max Using Seismocardiography ', International Journal of Sports Medicine, vol. 41, no. 10, pp. 661-668 . https://doi.org/10.1055/a-1144-3369
The purpose of this study was to investigate the correlation between the seismocardiogram and cardiorespiratory fitness. Cardiorespiratory fitness can be estimated as VO2max using non-exercise algorithms, but the results can be inaccurate. Healthy su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2fc500bfee8fd8a8647a4a055572f9d
https://vbn.aau.dk/da/publications/8c18761c-1e78-4889-9963-39d25468fda8
https://vbn.aau.dk/da/publications/8c18761c-1e78-4889-9963-39d25468fda8
Autor:
Morten Bøttcher, Samuel Emil Schmidt, Jan Ostergaard, Rasmus Gundorf Sæderup, Johannes J. Struijk, Simon Winther, Poul Hoang
Publikováno v:
Sæderup, R G, Hoang, P, Winther, S, Bøttcher, M, Struijk, J J, Schmidt, S & Østergaard, J 2018, ' Estimation of the second heart sound split using windowed sinusoidal models ', Biomedical Signal Processing and Control, vol. 44, pp. 229-236 . https://doi.org/10.1016/j.bspc.2018.04.006
Sæderup, R G, Hoang, P, Winther, S, Bøttcher, M, Struijk, J, Schmidt, S & Østergaard, J 2018, ' Estimation of the second heart sound split using windowed sinusoidal models ', Biomedical Signal Processing and Control, vol. 44, pp. 229-236 . https://doi.org/10.1016/j.bspc.2018.04.006
Sæderup, R G, Hoang, P, Winther, S, Bøttcher, M, Struijk, J, Schmidt, S & Østergaard, J 2018, ' Estimation of the second heart sound split using windowed sinusoidal models ', Biomedical Signal Processing and Control, vol. 44, pp. 229-236 . https://doi.org/10.1016/j.bspc.2018.04.006
Knowing the time difference between the onsets of the aortic part (A2) and the pulmonic part (P2) of the second heart sound (S2), also referred to as the time split (TS) of S2, can assist in the diagnosis of a variety of heart diseases. However, esti
Autor:
Cristian Sevcencu, Johannes J. Struijk
Publikováno v:
Sevcencu, C & Struijk, J J 2018, ' Neural markers and implantable bioelectronic systems for the treatment of hypertension ', Bioelectronics in Medicine, vol. 1, no. 2, pp. 139–150 . https://doi.org/10.2217/bem-2017-0014
Present bioelectronic devices for the treatment of resistant hypertension are based on electric stimulation of the carotid baroreceptors. Left vagus nerve (LVN) stimulation, to modulate the aortic baroreceptor signals has received less attention. Und
A Respiratory Marker Derived From Left Vagus Nerve Signals Recorded With Implantable Cuff Electrodes
Publikováno v:
Sevcencu, C, Nielsen, T N, Kjærgaard, B & Struijk, J J 2018, ' A respiratory marker derived from left vagus nerve signals recorded with implantable cuff electrodes ', Neuromodulation: Technology at the Neural Interface, vol. 21, no. 3, pp. 269-275 . https://doi.org/10.1111/ner.12630
OBJECTIVE: Left vagus nerve (LVN) stimulation (LVNS) has been tested for lowering the blood pressure (BP) in patients with resistant hypertension (RH). Whereas, closed-loop LVNS (CL-LVNS) driven by a BP marker may be superior to open-loop LVNS, there