目的 探讨226 Hz、1 000 Hz声导抗测试在婴幼儿SOM诊断中的作用.方法 将146例婴幼儿分泌性中耳炎患者分为3~6个月、7~10个月及11~36个月3组,分别进行226 Hz与1 000 Hz声导抗测试,并对测试结果进行比较分析.结果 3~6个月婴幼儿226 Hz声导抗测试异常型占78.57%,异常型比率低于1 000 Hz声导抗测试结果(占92.86%),差异具有统计学意义(P0.05).1 000 Hz声导抗测试:3~6个月与7~10个月、11~36个月患儿的异常型比率差异无统计学意义(P>0.05).3~6个月婴幼儿的异常型比率明显低于7~10个月和11~36个月患儿(P 0.05 ). Conclusion In 3 - 6 months infants, 1000 Hz tympanometry was an sensitive diagnostic measure for diagnosis of SOM, while 226 Hz tympanometry was failed to do so. There was no statistical difference between 226 Hz and 1 000 Hz tympanometry in 7 - 36 months infants.
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