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Article type: Research Article
Authors: Ta, Naa | Wei, Hai-Chengb; * | Li, Miao-Miaoa
Affiliations: [a] School of Electrical and Information Engineering, North Minzu University, Yinchuan, Ningxia, China | [b] Basic Experimental Teaching and Engineering Training Center, North Minzu University, Yinchuan, Ningxia, China
Correspondence: [*] Corresponding author: Hai-Cheng Wei, Basic Experimental Teaching and Engineering Training Center, North Minzu University, No. 204 North Wenchang Street, Yinchuan, Ningxia 750021, China. E-mail: wei_hc@nun.edu.cn.
Abstract: BACKGROUND: Arteriosclerosis is one of the diseases that endanger human health. There is a large amount of information in pulse wave signals to reflect the degree of arteriosclerosis. OBJECTIVE: The degree of arteriosclerosis is assessed by analyzing pulse wave signal and calculating multi-scale entropy values. METHODS: A method based on the multiscale cross-approximate entropy of the pulse wave of the human finger is proposed to assess the degree of arteriosclerosis. A total of 86 subjects were divided into three groups. The data of 1000 pulse cycles were selected in the experiment, and the multiscale cross-approximate entropy was calculated for the climb time and pulse wave peak interval. Independent sample t-test analysis gives the small-scale cross-approximate entropy of the two time series of climb time and pulse wave peak interval as p< 0.001 in Groups 1 and 2. The large-scale cross-approximate entropy of the two time series of climb time and pulse wave peak interval is p< 0.017 in Groups 2 and 3. RESULTS: Using the proposed algorithm, the results showed that the small-scale cross-approximate entropy of climb time and pulse wave peak interval could reflect the degree of arteriosclerosis in the human body from the perspective of autonomic nerve function. The large-scale cross-approximate entropy of climb time and pulse wave peak interval confirmed the effect of diabetes on the degree of arteriosclerosis. CONCLUSIONS:The results demonstrate the multiscale cross-approximate entropy is a comprehensive index to evaluate the degree of human arteriosclerosis.
Keywords: Arteriosclerosis, diabetes, multiscale cross-approximate entropy, pulse wave
DOI: 10.3233/THC-220040
Journal: Technology and Health Care, vol. 30, no. 6, pp. 1359-1369, 2022
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