低频感音神经性听力损失的病因分析

56 Cases with Low Frequency Sensorineural Hearing Loss:Assessment and Analysis

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

目的分析低频感音神经性听力损失的病因,以避免漏诊和误诊。方法对56例低频感音神经性听力损失患者详细了解其病史,进行仔细的耳科常规检查及纯音听阈(PTT)、声导抗、听性脑干反应(ABR)、畸变产物耳声发射(DPOAE)、耳蜗电图(ECochG)及CT和/或MRI检查,综合分析各项结果。结果在56例患者中病因不明的急性低频感音神经性听力损失38例,梅尼埃病9例,听神经病6例,听神经瘤1例,多发性硬化1例,小脑半球旁蛛网膜囊肿1例。结论低频听阈升高的上坡型感音神经性听力损失可见于多种疾病。对低频感音神经性听力损失应采用多项组合的听力学检测方法进行检查和综合分析,必要时辅以CT和/或MRI检查可以及时、有效地作出可靠的诊断和鉴别诊断。

关键词

感音神经性听力损失;纯音听阈;低频;病因

基金项目(Foundation):

作者

李富德;梁瑞敏;陈晨;

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感音神经性听力损失纯音听阈低频病因

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李富德梁瑞敏陈晨