Xu Zhiwei, Zhao Peng, Yang Xu, Liu Xingjian, Chen Xianbing, Zhang Suzhen, Wu Ziming
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2015 Jan;29(1):20-3.
To investigate the result of vestibular evoked myogenic potentials (VEMP) of primary benign paroxysmal positional vertigo(BPPV)and to identify the characteristics in VEMP examination of the primary BPPV and to observe the relevance of patients with primary BPPV and abnormal VEMP with hearing loss.
Patients with primary BPPV were tested with pure tone audiometry, videonystagmograph and VEMPs test. We analyzed the difference in the two groups with normal hearing and hearing loss, discussed the etiology and pathogenesis.
Primary BPPV comprised 23.0% with hearing lost, 77.0% hearing normal. The results of oVEMP were abnormal in 79. 7% (59/74) of the cases; and the results of cVEMP were abnormal in 66. 2% (49/74) of the cases; oVEMP and cVEMP differences to the diagnosis of primary BPPV (P<0. 05); oVEMP and cVEMP differences to the diagnosis primary BPPV with hearing lost (P<0. 05).
oVEMP detection positive rate of primary BPPV is higher than cVEMP,which may be due to otolithic particles falling from the utricle; positive rate of cVEMP in primary BPPV with hearing loss is higher than that of oVEMP, which may related to the cochlear and sacculus occured in the same embryonic tissue structure.
探讨原发性良性阵发性位置性眩晕（BPPV）患者的前庭诱发肌源性电位（VEMP）结果，明确原发性BPPV患者VEMP检查的特点，观察原发性BPPV患者且VEMP异常者与听力损失的相关性。
对原发性BPPV患者进行纯音听力测试、视频眼震图检查及VEMP测试。分析听力正常和听力损失两组患者的差异，探讨病因及发病机制。
原发性BPPV患者中听力损失者占23.0%，听力正常者占77.0%。患侧VEMP结果异常者占79.7%（59/74）；对侧VEMP结果异常者占66.2%（49/74）；患侧和对侧VEMP对原发性BPPV的诊断有差异（P<0.05）；患侧和对侧VEMP对听力损失的原发性BPPV的诊断有差异（P<0.05）。
原发性BPPV患侧VEMP检测阳性率高于对侧，可能与耳石颗粒从椭圆囊脱落有关；听力损失的原发性BPPV患者对侧VEMP阳性率高于患侧，可能与耳蜗和球囊起源于同一胚胎组织结构有关。
