NDLI: Evaluation of elastic property of the arterial wall by measuring small velocity signals using ultrasound

Content Provider	IEEE Xplore Digital Library
Author	Hasegawa, H. Ozawa, M. Kanai, H. Hoshimiya, N. Chubachi, N. Koiwa, Y.
Copyright Year	1997
Description	Author affiliation: Dept. of Electr. Eng., Tohoku Univ., Sendai, Japan (Hasegawa, H.)
Abstract	To evaluate the elasticity of the arterial wall more locally, it is necessary to noninvasively measure the local change in thickness of the arterial wall with amplitude of several micrometers. For this purpose, in this paper, small velocity signals on the arterial wall is accurately measured using ultrasound. From this small change in thickness, the systolic blood pressure, and the diastolic blood pressure, the average elastic modulus of the arterial wall is noninvasively evaluated. The elastic modulus of the arterial wall depends upon the arterial inner pressure because of the hysteresis property between the inner pressure and the strain of the artery. Therefore, the authors obtain the change in the Young's modulus in one cardiac cycle from the local pulse wave velocity (PWV) measured in each short period. From the resultant PWV in each short period, the hysteresis property of the arterial wall is estimated.
Starting Page	1169
Ending Page	1172
File Size	258360
Page Count	4
File Format	PDF
ISBN	0780341538
ISSN	10510117
DOI	10.1109/ULTSYM.1997.661786
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-10-05
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Arteries Ultrasonic variables measurement Velocity measurement Blood pressure Hysteresis Pulse measurements Elasticity Thickness measurement Ultrasonic imaging Capacitive sensors
Content Type	Text
Resource Type	Article

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