AGE-BASED ANALYSIS OF HEART RATE VARIABILITY (HRV) FOR PATIENTS WITH CONGESTIVE HEART FAILURE

Hamidreza Namazi, Dumitru Baleanu and Ondrej Krejcar
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Hamidreza Namazi: College of Engineering and Science, Victoria University, Melbourne, Australia†Center for Basic and Applied Research, Faculty of Informatics and Management, University of Hradec Kralove, Hradec Kralove, Czechia
Dumitru Baleanu: ��Department of Mathematics, Cankaya University, Ankara, Turkey§Institute of Space Sciences, Magurele-Bucharest, Romania
Ondrej Krejcar: ��Center for Basic and Applied Research, Faculty of Informatics and Management, University of Hradec Kralove, Hradec Kralove, Czechia¶Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia Kuala Lumpur, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia

FRACTALS (fractals), 2021, vol. 29, issue 03, 1-9

Abstract: It is known that heart activity changes during aging. In this paper, we evaluated alterations of heart activity from the complexity point of view. We analyzed the variations of heart rate of patients with congestive heart failure that are categorized into four different age groups, namely 30–39, 50–59, 60–69, and 70–79 years old. For this purpose, we employed three complexity measures that include fractal dimension, sample entropy, and approximate entropy. The results showed that the trend of increment of subjects’ age is reflected in the trend of increment of the complexity of heart rate variability (HRV) since the values of fractal dimension, approximate entropy, and sample entropy increase as subjects get older. The analysis of the complexity of other physiological signals can be further considered to investigate the variations of activity of other organs due to aging.

Keywords: Heart Rate Variability; Congestive Heart Failure; Complexity; Aging; Fractal Dimension; Approximate Entropy; Sample Entropy (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1142/S0218348X21501358

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