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听功能损伤是法医学鉴定中的常见损伤之一,由于耳部结构复杂,其损伤后常伴有不同程度的听功能障碍,因此,听功能损伤是法医临床鉴定工作中的重点也是难点之一。通过对2002年-2004年间有关耳损伤的法医学鉴定进行回顾性分析,发现听功能损伤鉴定以伤害案件居多,而交通肇事致听功能障碍者少见;致伤物以钝器多见;耳损伤以鼓膜穿孔为主;听功能损伤鉴定伪聋与夸大听力障碍程度的占有一定比例。听功能损伤的法医学鉴定应用ABR结合同频音掩蔽试验能很好地识别伪聋及夸大病情的案例,对于存在客观听力障碍,而排除鼓膜穿孔及颞骨骨折等常见致聋因素的案例,建议考虑突聋所致。
Listening to functional impairment is one of the common injuries in forensic science. Due to the complex structure of the ear, hearing damage is often accompanied by varying degrees of hearing impairment. Therefore, hearing impairment is one of the most important and difficult points in forensic clinical evaluation. Through the retrospective analysis of the forensic identification of ear damage between 2002 and 2004, it was found that the majority of hearing loss injuries were identified as injuries, while those with traffic accidents were rare, the blunders were the most common injuries, Tympanic membrane perforation based; hearing impairment identified false deafness and exaggerated degree of hearing impairment occupy a certain percentage. Forensic identification of functional impairment ABR combined with the same frequency masking test can be very good to identify cases of false deafness and exaggerated the condition, there is objective hearing impairment, and exclude tympanic membrane perforation and temporal bone fracture and other common cause of deafness factors, consider the case Sudden deafness caused.