摘要
目的:探讨以眩晕为主诉的后循环缺血(PCIV)患者视频眼震图的表现及其在诊断PCIV中的意义。方法:对50例以眩晕为主诉,经临床确诊的PCIV患者进行视频眼震图(VNG)检查,对照组为30例健康人,对两组结果进行统计分析。结果:PCIV组与对照组VNG参数对比:自发性眼震(4%、0;P>0.05)扫视试验异常率(68%、10%;P<0.01),视跟踪试验异常率(42.0%、6.7%;P<0.01),视动试验异常率(44%、0;P<0.01),异常位置性眼震(78%、10%;P<0.01),位置性眼震强度(4.12±3.46)°/s,显著高于正常对照组(P<0.01)。PCIV组的各项检查中,共37例(74%)出现1项或几项结果异常。结论:后循环缺血对前庭中枢及外周均有可能累及,视频眼震电图的检查对这两者的鉴别诊断及病灶的定位有重要意义,视频眼震电图检查在后循环缺血性眩晕患者中出现高异常率:92%(46/50),其对PCIV的诊断具有辅助意义。
Objective：To investigate the changes of vedionystamography（VNG）in patients with posterior circulation ischemia vertigo（PCIV）.Method：Fifty patients who complained of vertigo and imbalance with PCI were selected as experimental group for testing of visual nystamography（VNG）.Thirty normal subjects were chosen as control group.The result was analyzed.Result：The results of VNG in PCIV group and the control group were compared.The abnormal ratio were as follows：（4%,0;P0.05）for Spontaneous nystagmus,（68%,10%;P0.01）for Saccade Test,（42.0%,6.7%;P0.01）for Tracking Test,（44%,0;P0.01）for Optokinetic Test,（78%,10%;P0.01）for Positional Test,respectively.The intensity of positional nystagmus in those patients was（4.12±3.46）°/s,which was much higher than that of the control group（P0.01）.One or more abnormal findings for visual-oculomotor system examination were shown in 37 patients（74%）.Conclusion：Both vestibular central and peripheral system can be involved in PCIV.VNG test has clinical significance in differential diagnosis and lesion location.The abnormal ratio of visual nystamography in PCIV group reaches 92%（46/50）.These results suggest that VNG be used as an important accessory diagnostic tool for patients with PCIV.
出处
《临床耳鼻咽喉头颈外科杂志》
CAS
北大核心
2018年第2期99-102,共4页
Journal of Clinical Otorhinolaryngology Head And Neck Surgery
关键词
后循环缺血性眩晕
视频眼震图
前庭功能
posterior circulation ischemia vertigo
videonystamography
vestibular function
