急性低频感音神经性聋临床发病特征和诊断

Clinical Symptoms and Diagnosis of Acute Low Frequency Sensorineural Hearing Loss

李富德;梁瑞敏;陈晨;

1:天津市第一中心医院耳鼻咽喉科

摘要

目的探讨急性低频感音神经性聋(acute low-frequency sensori neural hearing loss,ALHL)的临床发病特征和诊断方法,以期避免误诊,提高诊断率。方法回顾性分析34例(35耳)ALHL的临床表现、听力学检测结果和45年的随访情况,总结ALHL的临床发病特征。结果本组34例(35耳)ALHL呈急性发病,年龄215年的随访情况,总结ALHL的临床发病特征。结果本组34例(35耳)ALHL呈急性发病,年龄2147岁。男11例(32%),女23例(68%)。单侧占97.06%(33/34例),双侧占2.94%(1/34例)。28例(29耳)伴低调耳鸣、耳部堵闷或胀满感。0.12547岁。男11例(32%),女23例(68%)。单侧占97.06%(33/34例),双侧占2.94%(1/34例)。28例(29耳)伴低调耳鸣、耳部堵闷或胀满感。0.1251 kHz平均听阈为29.92±10.61 dB HL,21 kHz平均听阈为29.92±10.61 dB HL,28 kHz平均听阈为9±3.94 dBHL。听性脑干反应(ABR)各波潜伏期及波间期正常。耳蜗电图(ECochG)-SP幅值异常增大占54.28%,-SP/AP比值异常增大占65.71%。畸变产物耳声发射(DPOAE)在低频区引出率为24.28%,高频区引出率约为97.71%。随访48 kHz平均听阈为9±3.94 dBHL。听性脑干反应(ABR)各波潜伏期及波间期正常。耳蜗电图(ECochG)-SP幅值异常增大占54.28%,-SP/AP比值异常增大占65.71%。畸变产物耳声发射(DPOAE)在低频区引出率为24.28%,高频区引出率约为97.71%。随访45年,31例(91.18%)于初次发病后至今未再复发。结论ALHL以单侧发病为主,常伴低调耳鸣、耳部堵闷及胀满感。该病多见于青年女性。PTT以低频听阈升高为特征。ABR正常,ECochG示-SP幅值及-SP/AP比值增大。

关键词

耳聋;感音神经性;内淋巴积水;听阈;低频

基金项目(Foundation):

作者

李富德;梁瑞敏;陈晨;

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