感音神经性听力损失患者耳蜗死区检测结果分析

The Detection of Cochlear Dead Regions in the Patients with Sensorineural Hearing Loss

张帅;张官萍;刘天润;黄翠霞;

1:广东广州市中山大学附属第六医院耳鼻喉-头颈外科

摘要
目的分析感音神经性听力损失患者耳蜗死区(cochlear dead regions,CDR)检测结果。方法应用均衡噪声阈值TEN(HL)法检测273例302耳感音神经性听力损失患者的耳蜗死区,并分析耳蜗死区与其可能病因及听力曲线类型的关系。结果 273例(302耳)感音神经性听力损失患者中,112例117耳存在耳蜗死区,占总耳数的38.74%;存在耳蜗死区的患者在耳蜗死区频率处DPOAE均未引出,其中高频听力下降型占40.22%(74/184),低频下降型占47.14%(33/70),两端下降型占33.33%(2/6),平坦型占19.04%(8/42);噪声、耳毒性药物、突发性聋三种因素致聋者中耳蜗死区检出率较高。结论本组感音神经性听力损失患者耳蜗死区检出率约为38.74%,高频下降型者最多,噪声和/或耳毒性药物致聋者更易出现耳蜗死区。
关键词
耳蜗死区;内毛细胞;均衡噪声阈值检测
基金项目(Foundation):
作者
张帅;张官萍;刘天润;黄翠霞;
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