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Authors:
Po-Hsun Huang
Chia-Chi Chang
Tzu-Chien Hsiao
Keywords: Pulse rate variability (PRV); Empirical mode decomposition (EMD); Instantaneous PRV (iPRV)
Abstract:
Most of human body regulation is controlled by the autonomic nervous system (ANS). The activities of ANS influence the human health, therefore, how to observe the proper activity of ANS in time is important. Heart rate variability (HRV) is generally a common and widely non-invasive used method for indicating the activities of ANS. However, electrocardiography (ECG) used for HRV analysis is not suitable for homecare. Pulse rate variability (PRV) of photoplethysmography (PPG) is a surrogate method for HRV of ECG. Furthermore, PPG is easier and more convenient to use at home. Whether using HRV or PRV, there still remains some limitations because of the timescale which causes the frequency domain analysis restricted to only 0.5 Hz. For breaking the limitations, a novel method instantaneous pulse rate variability (iPRV) was proposed. The previous study had shown the difference between fever patients and normal people by using iPRV analysis. Nevertheless, it did not compare the result of iPRV to the conventional method. The aim of this study is to examine that iPRV can not only indicate the activities of ANS as PRV but provide more information. The result of this study shows the conventional indexes have no significant difference between PRV and iPRV. But the modified indexes including the very high frequency band (VHF) computed by PRV are different to the one computed by iPRV. The power of VHF is much greater in iPRV than PRV. This band as an indicator may contain more information about the body regulation. In this study, using iPRV as a method in homecare has more efficiency.
Pages: 76 to 79
Copyright: Copyright (c) IARIA, 2017
Publication date: March 19, 2017
Published in: conference
ISSN: 2308-4359
ISBN: 978-1-61208-540-1
Location: Nice, France
Dates: from March 19, 2017 to March 23, 2017