NDLI: Comparison of valley-to-valley and peak-to-peak intervals from photoplethysmographic signals to obtain heart rate variability in the sitting position

Content Provider	IEEE Xplore Digital Library
Author	Xiang Chen Tianjun Chen Feifei Luo Jin Li
Copyright Year	2013
Description	Author affiliation: Key Lab. of Biomed. Inf. Eng. of Minist. of Educ., Xi'an Jiaotong Univ., Xian, China (Xiang Chen; Tianjun Chen; Feifei Luo; Jin Li)
Abstract	Photoplethysmographic (PPG) signals have been considered as a promising approach to obtain heart rate variability (HRV). In the study, we used RR intervals (RRI) of electrocardiograph (ECG) as a standard to compare the accuracy of valley-to-valley intervals (VVI) and peak-to-peak intervals (PPI) from PPG for HRV analysis in the sitting position. The PPG and the ECG signals were recorded simultaneously from 20 subjects. The PPI and VVI time series were derived from the PPG signal and RRI time series were from the ECG signals. For each interval time series, 9 HRV indices were calculated. The correlation and linear regression analysis were performed to assess the consistency. The results showed that for all indices, the correlation coefficients between VVI and RRI reached 0.979±0.025 and the determination coefficients $R^{2}>0.94,$ which were higher than the corresponding parameters between PPI and RRI. The results suggest that for PPG signals, VVI is more reliable than PPI for HRV analysis in the sitting position.
Sponsorship	IEEE Eng. Med. Biol. Soc.
Starting Page	214
Ending Page	218
File Size	474475
Page Count	5
File Format	PDF
e-ISBN	9781479927616
DOI	10.1109/BMEI.2013.6746936
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Accuracy Correlation Rail to rail inputs valley-to-valley intervals(VVI) Time series analysis heart rate variability (HRV) Electrocardiography photoplethysmography (PPG) Educational institutions Heart rate variability electrocardiography (ECG) peak-to-peak intervasl(PPI)
Content Type	Text
Resource Type	Article

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