Ashman R B, Antich P P, Gonzales J, Anderson J A, Rho J Y
Research Department, Texas Scottish Rite Hospital, Dallas 75218.
J Biomech. 1994 Sep;27(9):1195-9. doi: 10.1016/0021-9290(94)90061-2.
A reflection ultrasonic technique, which offers several advantages over transmission ultrasonic techniques, has been described for elastic property measurement of bone. Ultrasonic velocities from specimens of cancellous bone were compared using a reflection ultrasound technique and the more traditional transmission ultrasonic technique. The two techniques were found to yield velocities which were reasonably well correlated (r2 = 0.74). However, a statistical difference was found between the line of identity and the regression between transmission and reflection velocities (due to an offset in the intercept). In spite of differences in intercept between velocities measured by the two techniques, significant correlation was found between the two methods, suggesting that the reflection technique can measure wave velocities meaningful to bone elasticity.
一种反射超声技术已被用于测量骨的弹性特性，该技术相对于透射超声技术具有多个优点。使用反射超声技术和更为传统的透射超声技术对松质骨标本的超声速度进行了比较。结果发现，这两种技术所测得的速度具有合理的良好相关性（r2 = 0.74）。然而，在恒等线与透射速度和反射速度之间的回归曲线之间发现了统计学差异（由于截距存在偏移）。尽管两种技术所测得的速度在截距上存在差异，但两种方法之间仍发现了显著相关性，这表明反射技术能够测量与骨弹性相关的波速。
