NDLI: New methods of one-point measurement of pulse wave velocity

Content Provider	IEEE Xplore Digital Library
Author	Harada, A. Okada, T. Niki, K. Dehua Chang Sugawara, M.
Copyright Year	2002
Description	Author affiliation: Res. Lab., Aloka Co. Ltd., Tokyo, Japan (Harada, A.; Okada, T.)
Abstract	Conventional on-line methods of measuring pulse wave velocity (PWV) have mainly been based on "two-point" measurements. This work presents two methods by which "one-point" measurements can be made. The principle of the first method is to measure blood pressure and velocity at a point, and use the water-hammer equation for forward traveling waves. The principle of the second method is to derive PWV from a coefficient of elasticity of the artery. We applied the methods to the common carotid artery in 13 normal humans. The regression line of the PWV (m/s) obtained by the former method on the PWV (m/s) obtained by the latter method was y = 1.03x - 0.90 (R/sup 2/=0.83). Although regional PWV in the human carotid artery has not been reported so far, the correlation between the PWV's obtained by the present methods was so high that we are convinced of the validity of these methods.
Sponsorship	Ultransonics Ferroelectr., & Frequency Control Soc
Starting Page	1835
Ending Page	1838
File Size	141202
Page Count	4
File Format	PDF
ISBN	0780375823
ISSN	10510117
DOI	10.1109/ULTSYM.2002.1192654
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-08
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse measurements Velocity measurement Pressure measurement Blood pressure Equations Time measurement Impedance Heart Carotid arteries Humans
Content Type	Text
Resource Type	Article

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