Honjo I, Honda K, Kumazawa T
Arch Otorhinolaryngol. 1978 Mar 3;220(1-2):1-8. doi: 10.1007/BF00456296.
In order to assess the reliability of the acoustic method in examination of Eustachian tube function, 30 subjects with normal, obstructive or patent tubes were examined twice, by the acoustic method, and by the aerodynamic method which we have developed. The reliability of the aerodynamic method has been confirmed by repeated clinical examinations. 60% of the results of the acoustic method were found to disagree with both the results of the aerodynamic method and the clinical findings of the tested ears. One cause of this disagreement was shown to be the influence of motion accompanying deglutition upon the sound transmission.
为评估声学方法在检测咽鼓管功能中的可靠性，对30名咽鼓管正常、阻塞或通畅的受试者，分别用声学方法和我们开发的空气动力学方法进行了两次检查。空气动力学方法的可靠性已通过反复临床检查得到证实。结果发现，声学方法的结果有60%与空气动力学方法的结果以及受试耳的临床检查结果不一致。这种不一致的一个原因是吞咽时的动作对声音传播产生了影响。
