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正常新生儿高频探测音的鼓室导抗测试

Application of High-Frequency Tympanometry to Normal Neonates

杨琨;黄治物;刘志奇;段传新;万芳;

1:武汉大学人民医院耳鼻咽喉-头颈外科

2:武汉大学人民医院耳鼻咽喉-头颈外科

3:武汉大学人民医院耳鼻咽喉-头颈外科

4:湖北省妇幼保健院耳鼻咽喉科

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摘要

目的探讨经瞬态诱发耳声发射(transient evoked otoacoustic emission,TEOAE)听力筛查通过的正常新生儿(27天龄)高频(1000Hz)探测音鼓室导抗图的特点。方法采用AccuScreen Pro型TEOAE听力筛查仪对135例新生儿进行听力筛查;对双耳通过TEOAE听力筛查的新生儿采用GSI-33型中耳分析仪检测在高频(1000Hz)探测音下的鼓室导抗图,对其进行分型,并分析外耳道容积、峰声导纳值等指标的正常值。结果135例新生儿中有100例(200耳)新生儿双耳通过TEOAE听力筛查,其鼓室导抗图单峰型有180耳(占90.0%)、双峰型5耳(占2.5%)、平坦无峰型7耳(占3.5%)、其它型8耳(占4.0%)。其中,单峰型鼓室导抗图的峰声导纳值为2.21±0.53mmHo,峰压点处外耳道压力为11.19±41.35daPa,外耳道容积约0.50±0.08ml。男性与女性相比:外耳道容积、峰声导纳值、+200daPa时的声顺值、峰补偿静态声导纳值的差异均有统计学意义(P<0.05);峰声导纳值对应的外耳道压力在性别中的差异无统计学意义(P>0.05)。结论通过听力筛查的新生儿高频(1000Hz)探测音的鼓室导抗图以单峰型为主,相应的峰声导纳值、峰压点处外耳道压力、外耳道容积等指标的正常值可以作为新生儿中耳状态评估时的参考依据。

关键词

鼓室导抗测试;鼓室导纳图;声导纳;听力筛查;新生儿

基金项目(Foundation):

湖北省科技攻关计划项目(NO.2006AA301C15);; 国家“十五”科技攻关计划项目(NO.2004BA720A18-02)

作者

杨琨;黄治物;刘志奇;段传新;万芳;

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本文关键词相关文章

鼓室导抗测试鼓室导纳图声导纳听力筛查新生儿

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杨琨黄治物刘志奇段传新万芳