学龄期听力正常儿童瞬态诱发耳声发射的特征及测试体会

吴莹;丁炎娥;李金兰;王宁宇;

1:首都医科大学附属北京朝阳医院耳鼻咽喉头颈外科

2:首都医科大学耳鼻咽喉科学院

摘要
目的探讨学龄期听力正常儿童瞬态诱发耳声发射(TEOAE)的特征及测试方法。方法对20例(男女各10例)听力正常的学龄期儿童行TEOAE检测,分析其特点。结果①学龄期儿童的TEOAE总强度为13.11±4.13dB SPL,其中女性为14.16±4.24dB SPL,男性为11.76±3.69dB SPL,女性高于男性2.40dB,但差异无统计学意义(P=0.091)。TEOAE总重复率为86.43%±8.78%,A&B值为13.38±3.93dB SPL,A-B值为3.55±2.80dB;②学龄期儿童TEOAE频带信噪比(SNR)在1.5kHz频带最高,之后随频率增加而降低,在4kHz频带SNR最低。结论学龄期儿童TEOAE的测试噪声及频带SNR的分布与成人接近,TEOAE反应强度高于成人,尤其在较高频带区。
关键词
学龄期儿童;瞬态诱发耳声发射
基金项目(Foundation):
作者
吴莹;丁炎娥;李金兰;王宁宇;
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学龄期儿童瞬态诱发耳声发射

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吴莹丁炎娥李金兰王宁宇