单侧听神经病附三例报告

Unilateral Auditory Neuropathy:Report of Three Cases

王锦玲;薛飞;田永胜;孟美娟

1:第四军医大学西京医院耳鼻咽喉科

2:第四军医大学西京医院耳鼻咽喉科

3:第四军医大学西京医院耳鼻咽喉科

4:第四军医大学西京医院耳鼻咽喉科 西安710032

摘要
目的 探讨单侧听神经病的听功能特征及病损部位。方法 报告及分析 3例患者的临床资料、纯音测听、声导抗测试、畸变产物耳声发射 (DPOAE)、听性脑干反应 (ABR)检测结果。结果  3例单侧患耳纯音听力图分别为上升型、平坦型及下降型 ,听力损失 1例为中度 ,2例为重度 ,另侧听力图正常 ;3例患者双侧DPOAE正常引出 ,而ABR患侧未能引出 ,健侧正常引出。颞骨HRCT未见异常。结论 单侧听神经病的听功能特征与双侧听神经病的听功能特征相同。诱发性耳声发射及ABR对鉴别一般感音神经性聋与中枢性聋有重要意义。病损部位可能在内毛细胞至听神经的传入通路
关键词
听神经病;单侧;诱发性耳声发射;听性脑干反应
基金项目(Foundation):
作者
王锦玲;薛飞;田永胜;孟美娟
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