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Izvestiya of Saratov University. Physics, 2021, Volume 21, Issue 4, Pages 363–371
DOI: https://doi.org/10.18500/1817-3020-2021-21-4-363-371
(Mi isuph13)
 

Radiophysics, Electronics, Acoustics

Decrease of low-frequency spectral power in a heart rate variability signal in a mathematical model of the cardiovascular system of arterial hypertension patients

J. M. Ishbulatovabcd, M. A. Simonyanb, A. S. Karavaevbad, A. R. Kiselevbe, V. I. Gridnevb

a Saratov Branch, Kotel'nikov Institute of Radio-Engineering and Electronics, Russian Academy of Sciences
b Saratov State Medical University named after V. I. Razumovsky
c P.G. Demidov Yaroslavl State University
d Saratov State University
e National Medical Research Center for Therapy and Preventive Medicine, 10 Petroverigsky per., Moscow 101990, Russia
References:
Abstract: Background and Objectives: Index equal to the spectral power of the low-frequency oscillations from the time series of the time intervals between the hearts contractions are often used when investigating the cardiovascular system. Experimental studies have shown that this spectral index was a preclinical marker of cardiovascular diseases, including arterial hypertension and diabetes. However, physiological understanding of this index, in particular, its relation to the tone of autonomic control is still largely not understood. Materials and Methods: This problem was studied using mathematical models of the cardiovascular system, which simulated a healthy subject and an arterial hypertension patient. Conclusion: The decrease in the power of low-frequency oscillations in the time-series of the time intervals between the heart contractions in arterial hypertension patients was due to decreased dynamic range of the arterial baroreceptors.
Keywords: heart rate variability, mathematical modeling, autonomic control, cardiovascular system, spectral analysis.
Funding agency Grant number
Russian Science Foundation 21-71-30011
This study was funded by the Russian Science Foundation (project No. 21-71-30011).
Received: 06.09.2021
Document Type: Article
UDC: 537.86.029
Language: Russian
Citation: J. M. Ishbulatov, M. A. Simonyan, A. S. Karavaev, A. R. Kiselev, V. I. Gridnev, “Decrease of low-frequency spectral power in a heart rate variability signal in a mathematical model of the cardiovascular system of arterial hypertension patients”, Izv. Sarat. Univ. Physics, 21:4 (2021), 363–371
Citation in format AMSBIB
\Bibitem{IshSimKar21}
\by J.~M.~Ishbulatov, M.~A.~Simonyan, A.~S.~Karavaev, A.~R.~Kiselev, V.~I.~Gridnev
\paper Decrease of low-frequency spectral power in a heart rate variability signal in a mathematical model of the cardiovascular system of arterial hypertension patients
\jour Izv. Sarat. Univ. Physics
\yr 2021
\vol 21
\issue 4
\pages 363--371
\mathnet{http://mi.mathnet.ru/isuph13}
\crossref{https://doi.org/10.18500/1817-3020-2021-21-4-363-371}
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