良性阵发性位置性眩晕诊治过程中面临的挑战

Challenge in the management of benign paroxysmal positional vertigo

良性阵发性位置性眩晕（Benign paroxysmal positional vertigo,BPPV）是外周性眩晕最常见的病因之一〔1〕,发病机制可能与椭圆囊中耳石脱落至两侧半规管有关。耳石复位技术能够使耳石从半规管的非壶腹端进入椭圆囊而改善眩晕,该方法简单、无创、安全有效〔2〕。复位操作治疗良性发作性位置性眩晕首次成功率为80%左右,多次操作成功率在95%以上〔3〕。

Benign paroxysmal positional vertigo（BPPV）is the most common peripheral vestibular disorder,which is defined as a disorder of the inner ear characterized by repeated episodes of positional vertigo as changes in head position.The effective positioning maneuvers has made BPPV the most successfully treated type of vertigo.However,some patients experience a serious disturbance with residual vertigo,light cupula and persistent or repeated attacks of BPPV even after several trials of canalith repositioning procedures.In this article,the challenge as light cupula,management of residual vertigo and repeated attacks of BPPV after canalith repositioning procedures were reviewed.