镫骨肌声反射(AR)引不出或AR阈值升高。
Either the acoustic reflex (AR) was absent or the AR threshold was elevated.
镫骨肌反射引不出；
声镫骨肌反射具有客观、设备简单、操作方便快捷、检查费用低廉等优点。
The advantages of an acoustic-stapedius reflex thresholds are used objective simple equipments, easy to operate and cheap.
声导抗鼓室图全部正常，45耳镫骨肌反射消失，仅1耳引出且反射阈升高。
The tympanograms are normal. 45 ears lost acoustic reflex. 1 ear increased acoustic reflex threshold.
结果：20例(21耳)纯音测听、听觉诱发电位均异常，19例镫骨肌声反射及前庭功能异常。
Result: Pure tone and ABR waveforms were abnormal in 20 subjects (21 ears), moreover acoustic stapedius reflex and the vestibular function were abnormal in 19 subjects.
术中处理面神经隐窝病变时勿随意磨低锥隆起及鼓索隆起，以免损伤面神经镫骨肌支及鼓索神经。
Pyramidal eminence and chordal eminence should not be lowly abraded in order to avoid damaging the musculus stapedius and chorda tympani nerve when dealing with a facial recess lesion.
术中处理面神经隐窝病变时勿随意磨低锥隆起及鼓索隆起，以免损伤面神经镫骨肌支及鼓索神经。
Pyramidal eminence and chordal eminence should not be lowly abraded in order to avoid damaging the musculus stapedius and chorda tympani nerve when dealing with a facial recess lesion.
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