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Open AccessArticle

Effect of High-Induction Magnetic Stimulation on Complex Heart Rate Variability of Sus Scrofa Domesticus under General Anesthesia

1
Department of information and Communication Technology in Medicine, Faculty of Biomedical Engineering, Czech Technical University in Prague, 128 00 Prague, Czech Republic
2
Laboratory of Human Factors and Automation in Aviation, Faculty of Transportation Sciences, Czech Technical University in Prague, 128 03 Prague, Czech Republic
3
Department of Health Care and Population Protection, Faculty of Biomedical Engineering, Czech Technical University in Prague, 272 01 Kladno, Czech Republic
4
Faculty of Medicine in Plzen, Charles University, 06 05 Plzen, Czech Republic
*
Author to whom correspondence should be addressed.
This paper is an extended version of paper published in 2019 42nd international Conference on Telecommunications and Signal Processing (TSP), Budapest, Hungary, 1–3 July 2019.
Appl. Sci. 2020, 10(2), 589; https://doi.org/10.3390/app10020589
Received: 31 October 2019 / Revised: 7 January 2020 / Accepted: 9 January 2020 / Published: 14 January 2020
Modern approaches to physical therapy often use electric currents induced by time-varying magnetic fields. Although some of these methods are already commonly used, and only a few studies are looking at applying particular techniques on exposed tissue. In this study, a high-induction magnetic stimulation (HIMS) was applied to the chest area to affect the electrical conduction system of the heart. The animal model Sus scrofa domesticus was used for the study. Standard methods were used to make the subsequent analysis, i.e., heart rate variability in time and frequency domain. Concerning the nonlinear character of the electrocardiographic signal and evaluating complex variability (complexity), recurrent quantification analysis was used. The results show high resistance to a physiologically working heart, but there are also specific changes concerning complex variability. Thus, the results indicate that the HIMS application in the chest area may not pose a significant risk to healthy individuals in terms of the short-term effect of this technique on cardiac activity. However, cardiac activity is still, to some extent, affected by the HIMS application. In view of this and the fact that the study was conducted on an animal model, further research in this area would be appropriate. View Full-Text
Keywords: complex variability; complexity; heart rate variability; high-induction magnetic stimulation; nonlinear analysis; recurrence quantification analysis complex variability; complexity; heart rate variability; high-induction magnetic stimulation; nonlinear analysis; recurrence quantification analysis
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Hanáková, L.; Průcha, J.; Socha, V.; Štengl, M.; Van den Bergh, S. Effect of High-Induction Magnetic Stimulation on Complex Heart Rate Variability of Sus Scrofa Domesticus under General Anesthesia. Appl. Sci. 2020, 10, 589.

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