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冷热水试验的注视抑制检查,是临床上判断有无注视机能障碍的方法之一,前庭性眼震能被注视所抑制,但某些能引起注视机能障碍的疾病,能使对前庭性眼震的抑制能力减弱或消失,有助于某些中枢性疾病的定位诊断。近年来,我院在常规的冷热水试验中进行注视抑制检查结果报道如下。 临床资料 在常规的Fitzgerald-Hallpike冷热水试验时,用眼震电图(ENG)记录水平眼震(暗处闭眼),在眼震反应高潮期,嘱患者睁眼注视前方一亮点10秒,并记录水平眼震(亮处开眼)。计算出暗处闭眼的慢相速度(SPV close)和亮处开眼的慢相速度(SPV open)。
Observational inhibition test of hot and cold water test is one of the methods to determine the presence or absence of gaze dysfunction clinically, vestibular nystagmus can be inhibited by gaze, but some diseases that can cause gaze dysfunction can make the vestibular eye Earthquake suppression weaken or disappear, contribute to the diagnosis of some central disease localization. In recent years, our hospital in the conventional hot and cold water test to observe the results of inhibition test reported below. Clinical data In the conventional Fitzgerald-Hallpike hot and cold water test, the use of electronystagmography (ENG) recorded nystagmus (dark eyes closed), in the nystagmus reaction period, Zhu Huanzhe eyes open in front of a bright spot 10 seconds , And record the level of nystagmus (bright open eyes). The slow phase velocity (SPV close) for blind eyes and the slow phase velocity (SPV open) for bright eyes were calculated.