Analysis and research on the change of characteristic parameters with age based on PPG signal

Huirong Tao; Jindong Zhang; Jiu-li Cui

doi:10.1117/12.2618001

15 February 2022 Analysis and research on the change of characteristic parameters with age based on PPG signal

Huirong Tao, Jindong Zhang, Jiu-li Cui

Proceedings Volume 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021); 121667P (2022) https://doi.org/10.1117/12.2618001
Event: Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 2021, Hong Kong, Hong Kong

Abstract

The most important uncontrollable factor in the decrease of blood vessel elasticity is aging. Therefore, if the deterioration of blood vessel function can be detected early, it will play an important role in the prevention of various cardiovascular diseases. This paper aims to find the characteristic parameters of pulse wave waveforms that are highly correlated with cardiovascular diseases and provide early warning for possible cardiovascular diseases. In this paper, the pulse waves of 6 healthy volunteers of different ages were collected, 100 samples were collected for each age, and the cardiovascular characteristic parameters of each sample were extracted. In order to overcome the instability of the pulse waveform during the acquisition of a single sample, this paper proposes a multi-waveform superimposition average processing method based on edge detection. This method separates the collected samples individually, selects excellent one-week waveforms for fusion, and then uses the fused average waveform to extract feature parameters, and finally calculates the average and standard deviation of each sample feature parameter at each age stage. So as to analyze the changes of PPG characteristic parameters in different age groups. The experimental results show that the inflow time, the inflow time index, the outflow time index, the ratio of inflow time to outflow time vary with age, and there is a strong correlation, while outflow time, reflection parameters, main wave and dicrotic wave time difference is not particularly sensitive to changes in age.

Citation Download Citation

Huirong Tao, Jindong Zhang, and Jiu-li Cui "Analysis and research on the change of characteristic parameters with age based on PPG signal", Proc. SPIE 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 121667P (15 February 2022); https://doi.org/10.1117/12.2618001

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