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Biomedical Engineering / Biomedizinische Technik

Editor-in-Chief: Dössel, Olaf

Editorial Board Member: Augat, Peter / Haueisen, Jens / Jockenhoevel, Stefan / Lenarz, Thomas / Leonhardt, Steffen / Plank, Gernot / Radermacher, Klaus M. / Schkommodau, Erik / Stieglitz, Thomas / Boenick, Ulrich / Jaramaz, Branislav / Kraft, Marc / Lenthe, Harry / Lo, Benny / Mainardi, Luca / Micera, Silvestro / Penzel, Thomas / Robitzki, Andrea A. / Schaeffter, Tobias / Snedeker, Jess G. / Sörnmo, Leif / Sugano, Nobuhiko / Werner, Jürgen /

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Volume 51, Issue 4 (Oct 2006)

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Volume 57 (2012)

Non-linear dynamic analysis of the cardiac rhythm during transient myocardial ischemia

Pedro Gomis
  • Biomedical Engineering Research Center (CREB), Department ESAII, Technical University of Catalonia, Barcelona, Spain
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Pere Caminal
  • Biomedical Engineering Research Center (CREB), Department ESAII, Technical University of Catalonia, Barcelona, Spain
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Montserrat Vallverdú
  • Biomedical Engineering Research Center (CREB), Department ESAII, Technical University of Catalonia, Barcelona, Spain
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Stafford Warren / Galen Wagner
Published Online: 2006-10-25 | DOI: https://doi.org/10.1515/BMT.2006.031

Abstract

Coronary artery occlusions related to myocardial ischemia drive cardiac control system reactions that may lead to heart failure. The purpose of this study was to assess the autonomic nervous system (ANS) response during prolonged percutaneous transluminal coronary angioplasty (PTCA). Continuous ECG data were acquired from 50 patients before and during PTCA, with occlusions in the left anterior descending, left circumflex or right coronary artery. Heart rate variability (HRV) was analyzed for 3-min segments of the R-R interval signal obtained from ECG data. The ANS behavior was evaluated by HRV analysis using fractal-like indices. The fractal scalar exponent α1 and power-law slope β decreased considerably during PTCA. This indicates that significant reactions of autonomic control of the heart rate occurred during coronary artery occlusions, with a reduction in complexity of the ANS.

Keywords: angioplasty; cardiac ischemia; complex systems; fractal analysis; heart rate variability

About the article

Corresponding author: Pedro Gomis, PhD, Technical University of Catalonia, Pau Gargallo, 5, Edif U, 08028 Barcelona, Spain Phone: +34-93-4010763 Fax: +34-93-4017045


Published Online: 2006-10-25

Published in Print: 2006-10-01


Citation Information: Biomedizinische Technik, ISSN (Online) 1862-278X, ISSN (Print) 0013-5585, DOI: https://doi.org/10.1515/BMT.2006.031.

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[1]
M Calvo, P Gomis, D Romero, V Le Rolle, N Béhar, P Mabo, and A Hernández
Physiological Measurement, 2017, Volume 38, Number 2, Page 387
[2]
Olle Pahlm, Cees A. Swenne, Sumche Man, Yama Fakhri, Brett D. Atwater, Ljuba Bacharova, Lia Bang, Yochai Birnbaum, Esben Carlsson, Peter Clemmensen, Henrik Engblom, Leonard S. Gettes, Peer Grande, Nina Hakacova, Lene Holmvang, Birgit Jurlander, Zak Loring, Ulrika Pahlm, Jonas Pettersson, Michael Ringborn, Niels Risum, Maria Sejersten-Ripa, Leif Sörnmo, David G. Strauss, Robbert Zusterzeel, and Stafford G. Warren
Journal of Electrocardiology, 2017, Volume 50, Number 1, Page 47
[3]
Jus Ksela, Jurij Matija Kalisnik, Viktor Avbelj, Gaj Vidmar, Piotr Suwalski, Grzegorz Suwalski, Kazimierz Suwalski, and Borut Gersak
Computers in Biology and Medicine, 2009, Volume 39, Number 1, Page 79
[4]
R Magrans, P Gomis, P Caminal, and G Wagner
Physiological Measurement, 2010, Volume 31, Number 4, Page 565

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