孤独症患儿听性脑干反应结果分析

Auditory Brainstem Responses in Children with Autism

马晶;刘维荣;曾祥丽;

1:湖北省黄石市中心医院耳鼻咽喉科

2:中山大学附属第三医院耳鼻咽喉头颈外科

摘要
目的探讨孤独症患儿听性脑干反应(ABR)的特点。方法对12例孤独症患儿分别进行声导抗、畸变产物耳声发射(DPOAE)、40Hz相关电位及听性脑干反应(ABR)测试,并对其中3例ABR异常者进行分析。结果 12例双耳均为A型鼓室导抗图,双耳同侧及对侧声反射均可引出,DPOAE均可正常引出,40Hz相关电位500、1 000Hz阈值均≤25dB nHL;12例ABR反应阈均正常,其中9例波形分化好,重复性好,各波潜伏期及波间期正常;3例ABR表现异常:1例双耳波Ⅱ以后各波潜伏期延长;1例双耳Ⅰ-Ⅲ波间期延长;1例双耳波Ⅰ潜伏期正常,波Ⅲ后各波潜伏期、波间期缩短。结论部分孤独症患儿虽中耳及耳蜗功能正常,但其脑干及下丘之间中枢听传导通路可能异常,故对孤独症患者应常规行听功能检测。
关键词
孤独症;听性脑干反应;传出神经;传入神经
基金项目(Foundation):
作者
马晶;刘维荣;曾祥丽;
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