听神经瘤病人的前庭诱发电位
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Vestibular evoked myogenic potential (VEMP) in patients with acoustic neuromas
N Takeichi, T Sakamoto, S Fukuda, and Y Inuyama
Auris Nasus Larynx, May 1, 2001; 28 Suppl: S39-41
OBJECTIVE: To study the utility of VEMP (vestibular-evoked myogenic potential) in the diagnosis of acoustic neuromas. METHODS: Eighteen patients with unilateral acoustic neuromas were subjected to this study. Myogenic potential responding to loud click stimuli was recorded at ipsilateral sternocleidomastoid muscle. A normal range of VEMP was obtained from 20 controls. VEMP responses were compared with both, clinical symptoms and results of caloric tests. RESULT: Thirteen out of 18 patients showed decreased responses of VEMP at the affected side. VEMP responses seemed to have little relation with dysequilibrium, spontaneous nystagmus, canal paresis and pure-tone hearing. CONCLUSION: VEMP is useful for detecting dysfunction of inferior vestibular nerve in patients withacoustic neuromas.
听神经瘤病人的前庭诱发电位
目的：探讨vemp（前庭诱发电位）在听神经瘤诊断中的作用。方法：选择18例单侧听神经瘤患者最为研究对象，以强声刺激同时在同侧胸锁乳突肌表面记录肌电位。20个控制器的全部检测均在Vemp的正常范围。以Vemp的检测结果与临床症状和冷热水实验相比较。结果：18人中有13人患侧vemp水平降低。但vemp似乎与平衡失调，自发眼震，半规管轻瘫及纯音测听关系不大。结论：vemp对于检测听神经瘤患者的下前庭神经功能障碍是有用的。
N Takeichi, T Sakamoto, S Fukuda, and Y Inuyama
Auris Nasus Larynx, May 1, 2001; 28 Suppl: S39-41
OBJECTIVE: To study the utility of VEMP (vestibular-evoked myogenic potential) in the diagnosis of acoustic neuromas. METHODS: Eighteen patients with unilateral acoustic neuromas were subjected to this study. Myogenic potential responding to loud click stimuli was recorded at ipsilateral sternocleidomastoid muscle. A normal range of VEMP was obtained from 20 controls. VEMP responses were compared with both, clinical symptoms and results of caloric tests. RESULT: Thirteen out of 18 patients showed decreased responses of VEMP at the affected side. VEMP responses seemed to have little relation with dysequilibrium, spontaneous nystagmus, canal paresis and pure-tone hearing. CONCLUSION: VEMP is useful for detecting dysfunction of inferior vestibular nerve in patients withacoustic neuromas.
听神经瘤病人的前庭诱发电位
目的：探讨vemp（前庭诱发电位）在听神经瘤诊断中的作用。方法：选择18例单侧听神经瘤患者最为研究对象，以强声刺激同时在同侧胸锁乳突肌表面记录肌电位。20个控制器的全部检测均在Vemp的正常范围。以Vemp的检测结果与临床症状和冷热水实验相比较。结果：18人中有13人患侧vemp水平降低。但vemp似乎与平衡失调，自发眼震，半规管轻瘫及纯音测听关系不大。结论：vemp对于检测听神经瘤患者的下前庭神经功能障碍是有用的。
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