不同月龄婴儿1000Hz及226Hz探测音的声反射分析

The Study of Acoustic Reflex with 1 000 Hz and 226 Hz Probe Tones in Varied Age Periods of Infants

杨奉玲;王彪;余文兴;黄远;

1:遂宁市中心医院耳鼻咽喉科

2:绵阳市第三人民医院眼科

摘要
目的探讨不同月龄婴儿不同频率探测音声反射(acoustic reflex,AR)的引出率及反射阈,以指导选择合适的探测音对婴儿行声反射测试。方法选取符合纳入条件的3月龄婴儿73例,分别进行226 Hz及1 000Hz探测音的同侧AR测试,其中28例6月龄时再次行226Hz及1 000Hz的同侧AR测试,比较3、6月龄婴儿的AR引出率及反射阈。结果本组婴儿3月龄及6月龄时,1 000 Hz探测音的AR引出率均高于226 Hz(P<0.05),1 000Hz探测音的声反射阈(acoustic stapedial reflex threshold,ASRT)均低于226Hz;与3月龄时相比,6月龄时1 000Hz探测音测得的ASRT升高,而226Hz探测音的ASRT稍降低(P<0.05)。结论对于3月龄及6月龄的婴儿,宜选用1 000Hz探测音行AR测试,临床上需针对不同月龄婴儿制定不同的ASRT参考范围。
关键词
婴儿;声反射;声反射阈
基金项目(Foundation):
作者
杨奉玲;王彪;余文兴;黄远;
参考文献

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婴儿声反射声反射阈

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杨奉玲王彪余文兴黄远