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21 li sun shang hou ting li sun shi de fa yi xue jian ding
Author(s): 
Pages: 161-163
Year: Issue:  3
Journal: JOURNAL OF FORENSIC MEDICINE

Keyword:  头部损伤耳损伤听力检测听觉诱发电位;
Abstract: 目的探讨外伤后主、客观听力检测方法在听力损失程度鉴定中的作用。方法对 21例头部及耳部损伤后损伤部位、听力检测方法等进行回顾性分析。结果单纯纯音测听法难以正确评估患者的听力下降情况。 ABR能测试 3kHz左右频率范围的听阈,能客观反映这一频率的听阈和听力损失的性质,但还有一定的局限性,应与纯音测听结果相结合,辅以 40Hz相关电位 (40HzAERP)的检查,以便评估出较为客观真实的听力损失程度。结论 ABR结合纯音测听法并辅以 40HzAERP的检查才能对 3kHz左右频率范围的听力损失程度作出较为客观真实的评估。
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