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目的：探讨ＶＢＩ的发病原因，临床特点及防治措施。方法：对５８０例ＶＢＩ的临床资料及Ｘ光片，ＣＴ检查资料进行分析并经统计学处理。结果：５８０例ＶＢＩ的病因，颈椎病占９７．８％；动脉粥样硬化占８６．４％。临床表现，以突发的眩晕界最常见占８２．１％。结论：ＶＢＩ的病因虽多，但仍相对集中于颈椎病，动脉粥样硬化；ＶＢＩ的临床征象复杂多样但仍与ＶＢＡ供血区域相吻合，Ｘ光摄片、ＣＴ及ＭＲＩ扫描（颈椎、头颅）对诊断有帮助。
Objective: To investigate the etiological factor, clinical features and prevention and treatment of VBI. Methods: The clinical data of 580 cases of VBI and X - ray and CT examination data were analyzed and statistically processed. Results: The causes of VBI in 580 cases were 97.8% for cervical spondylosis and 86.4% for atherosclerosis. Clinical manifestations to the sudden onset of vertigo most commonly accounted for 82.1%. Conclusions: The causes of VBI are still relatively concentrated in cervical spondylosis and atherosclerosis. The clinical manifestations of VBI are complex and diverse but still coincide with the blood supply of VBA. X-ray, CT and MRI (cervical, head) Helpful for diagnosis