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脑干听觉诱发电位和40Hz听觉诱发电位在职业性噪声聋诊断中的应用

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases(2012)

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Abstract
目的 探讨脑干听觉诱发电位(ABR)和40 Hz听觉诱发电位(40 Hz AERP)在职业性噪声聋诊断中的应用,为其诊断提供客观依据.方法 对54名噪声作业工人分别进行纯音测试、ABR及40HzAERP测试,对高频段及3、4 kHz处阈值与ABR反应阈值及语频段、0.5 kHz处阈值与40 Hz AERP反应阈值进行比较分析.结果 ABR反应阈值与高频段纯音听阈相关性较好;40 Hz AERP反应阈值与语频段纯音听阈比较差异较大,40 Hz AERP与语频段纯音听阈之间的校正值:轻度噪声聋组为(16.43±1.08) dBn HL,中度噪声聋组为(11.80±1.12) dBn HL.结论 在职业性噪声聋诊断中,ABR反应阈值能客观地预估纯音高频听阈,语频听阈与40 Hz AERP差异较大,不能将反应阈值误认为听阈值,而应进行反应阈值与校正值计算,得出估计的行为听阈值.
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Key words
Noise,occupational,Audiometry,pure-tone,Evoked potentials,auditory,brain stem
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