ULTRASOUND TRANSMISSION MEASUREMENTS THROUGH THE OS CALCIS

被引：119

作者：

ZAGZEBSKI, JA ^{[1
]}

ROSSMAN, PJ ^{[1
]}

MESINA, C ^{[1
]}

MAZESS, RB ^{[1
]}

MADSEN, EL ^{[1
]}

机构：

[1] UNIV WISCONSIN, DEPT MED PHYS, MADISON, WI 53706 USA

来源：

CALCIFIED TISSUE INTERNATIONAL | 1991年 / 49卷 / 02期

关键词：

ULTRASOUND ATTENUATION; SPEED-OF-SOUND; BONE; OSTEOPOROSIS;

D O I：

10.1007/BF02565130

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

A method of measuring ultrasonic propagation in the os calcis was devised for assessing bone properties in humans. Speed-of-sound (SOS) and broadband ultrasound attenuation (BUA) were measured using broadband acoustic pulses transmitted and received by a pair of focused transducers. The transducers are mounted coaxially in a water tank with the subject's heel in between. Reproducibility of results in an adult male was 10% for the BUA and 1.2% for the SOS. Both SOS and BUA changed when the transmission path through the os calcis was varied. For a population of normal male subjects, SOS and BUA were correlated with densitometry results on the os calcis, but less well correlated to area density at remote sites.

引用

页码：107 / 111

页数：5

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