Measurement of arterial viscoelastic properties using a foil-type pressure sensor and a photoplethysmography

Harutoyo Hirano, Hiromi Maruyama, Abdugheni Kutluk, Toshio Tsuji, Osamu Fukuda, Naohiro Ueno, Teiji Ukawa, Ryuji Nakamura, Noboru Saeki, Masashi Kawamoto, Masao Yoshizumi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper proposes a noninvasive method for estimating the dynamic characteristics of arterial walls using pulse waves measured in various parts of the body by a foil-type pressure sensor (FPS) and a photoplethysmography. The FPS not only has high sensitivity and flexibility but also features the ability to continuously measure the alternating-current component of pulse waves, and was employed to measure pulse waves based on the tonometry approach. Then a method of estimating changes in arterial viscoelastic indices was proposed based on the measured pulse waves and photoplethysmograms. First, in order to measure amplitude variation of the blood pressure wave shape accurately, we examined suitable mechanical forces externally applied to the FPS, and found that values of 5 - 25 [N] yielded the best performance. Next, in order to verify the time characteristics of the pulse waves, the brachial-ankle Pulse Wave Velocity (baPWV) was measured and found that baPWVs measured by the FPS and the noninvasive vascular screening device are quite similar. We then estimated the arterial viscoelastic indices of a radial artery and a dorsal pedis artery when mechanical pain stimuli were applied to the subjects. The results suggested the estimated indices could be used to quantitatively assess vascular response caused by sympathicotonia. We thus concluded the proposed method enabled noninvasive measurement of pulse waves and estimation of viscoelastic indices.

Original languageEnglish
Title of host publicationProceedings of the 2011 International Conference on Electrical Engineering and Informatics, ICEEI 2011
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event2011 International Conference on Electrical Engineering and Informatics, ICEEI 2011 - Bandung, Indonesia
Duration: 17-07-201119-07-2011

Publication series

NameProceedings of the 2011 International Conference on Electrical Engineering and Informatics, ICEEI 2011

Conference

Conference2011 International Conference on Electrical Engineering and Informatics, ICEEI 2011
Country/TerritoryIndonesia
CityBandung
Period17-07-1119-07-11

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Electrical and Electronic Engineering

Fingerprint

Dive into the research topics of 'Measurement of arterial viscoelastic properties using a foil-type pressure sensor and a photoplethysmography'. Together they form a unique fingerprint.

Cite this