脑干听觉诱发电位对前庭系统性眩晕的诊断价值  

DIAGNOSTIC VALUE OF BRAINSTEM AUDITORY EVOKED POTENTIAL IN PATIENTS WITH VESTIBULAR SYSTEMIC VERTIGO

作　　者：陈静[1] 

机构地区：[1]山东大学齐鲁医院肌电图室,250012

出　　处：《现代电生理学杂志》2004年第4期187-188,共2页Journal of Modern Electrophysiology

摘　　要：目的:探讨脑干听觉诱发电位对前庭系统性眩晕(BAEP)的诊断价值。方 法:对96例前庭系统性眩晕患者进行BAEP检测,并以40例正常人作对照。结果:96例 中BAEP异常72例,异常率75％,其中内耳型37例,表现为Ⅰ波PL及其后各波PL延长 或消失,脑干型35例,表现为Ⅰ波正常,Ⅲ或Ⅴ波PL延长或消失,各波IPL延长,Ⅲ- Ⅴ/Ⅰ-Ⅲ>1,Ⅴ波ILD>0.4ms。结论:BAEP可分别反映出内耳及脑干病变,对鉴别 周围性与中枢性眩晕有肯定的诊断价值。Objective: To explore the diagnostic value of BAEP in the diagnosis of ves tibular systemic vertigo. Methods: BAEPs were determined in 96 patients with vestibular systemic vertigo and 40 healthy subjects. Results: BAEPs were abnormal in 72 patients, the abnormal rate was 75%. The abnormality were classified into two types according to their characteristics: (1) inner-ear type (37 cases) : Pl of wave I and later waves prolonged or disappeared; (2) Brainstem type (35 cases) : wave I was normal, PL of wave Ⅲ or wave Ⅴ prolonged or disappeared , IPLs of those waves prolonged , Ⅲ - Ⅴ/ Ⅰ - Ⅲ > 1, and ILD of wave Ⅴ > 0. 4ms. Conclusion: BAEPs are relevant to pathological changes in inner - ear and brainstem, and of positive value in the differentiating vestibular peripheral and central vertigo.

关 键 词：BAEP 眩晕 诊断价值 前庭系统 脑干听觉诱发电位 内耳 PL 肯定 消失 对照 

分 类 号：R741.04[医药卫生—神经病学与精神病学]