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目的：探讨阻塞性睡眠呼吸暂停低通气综合征（OSAHS）患者的前庭功能表现及临床意义，观察其状态是否与正常对照组存在不同之处。方法对42例 OSAHS 患者及30例正常对照组进行视频眼震图（VNG）检查，分别进行自发性眼震、视动性中枢、前庭双温、位置性眼震试验，然后将结果进行比较。结果OSAHS 患者的自发性眼震和视动性中枢的试验结果，与正常对照组比较，差异有统计学意义（P ＜0．05）。而 OSAHS 患者的前庭双温和位置性眼震的试验结果，与正常对照组比较，差异无统计学意义（P ＞0．05）。并且42例 OSAHS 患者中，其呼吸暂停低通气指数（AHI）、病程与前庭功能异常，差异均有统计学意义（P ＜0．05）。结论OSAHS 可以引起患者中枢性前庭功能异常，通过视频眼震图（VNG）检查能够及时发现这些改变，有助于进一步理解 OSAHS 对全身各个系统的影响。“,”Objective To observe the changes of vestibular function in patients with obstructive sleep apnea hypopnea syndrom (OSAHS).Methods The video of nystagmus figure (VNG)check of 42 OSAHS cases and 30 healthy con-trols were examined.The results of spontaneous nystagmus test,oculomotor center test,vestibular bithermal calorid test and positional test conducted in the two groups were compared.Results The results of spontaneous nystagmus test and oculomotor center test were statistically different between the two groups (P <0.05).In OSAHS cases,the apnea hy-popnea index (AHI)and history were closely related to vestibular dysfunction (P <0.05).Conclusion OSAHS may cause dysfunction of central vestibule.The changes of vestibular function can be timely detected with VNG tests and can help us further understand OSAHA effects on body systems.