摘 要 目的：探讨后半规管良性阵发性位置性眩晕的诊治方法。方法：对诊断为后半规管良性阵发性位置性眩晕的患者采用Epley 耳石复位法进行治疗，观察并分析疗效。结果：治疗有效率达97% 。结论：Epley 耳石复位法治疗后半规管良性阵发性位置性眩晕安全有效。

    关键词 良性阵发性位置性眩晕；后半规管；Epley 耳石复位法

    Abstract Objective ：To discuss the diagnosis and therapy of pc-benign paroxysmal positional vertigo (PC-BPPV) .Method： In the diagnosis of pc-BPPV patients using Epley respositioning procedure of treatment, observation and analysis of effects. Results：The effective rate was 97 percent. Conclusion：Epley respositioning procedure are safe and effective treatment of PC -BPPV.

    Key wordsBenign paroxysmal positional vertigo (BPPV)； posterior Semicircular canal ； Epley respositioning procedure

    良性发作性位置性眩晕(BPPV)是一种常见的内耳自限性疾病 ......