在二尖瓣环成功消融房室结折返性心动过速Successful radiofrequency ablation of atrioventricular nodal reentrant tachycardia at the mitral annulus
周菁,丁燕生,杨俊娟,苏加林,盛琴惠,张钧华
摘要(Abstract)：
目的分析需要在二尖瓣环消融的房室结折返性心动过速(AVNRT)的电生理特点。方法采用重整标测方法(resetting)在二尖瓣环判断慢径位置并进行射频消融,观察在二尖瓣环消融成功的AVNRT相关的电生理参数。结果3例既往消融失败的AVNRT患者在右侧常规慢径区域消融仍不成功,在消融中仅1例偶尔出现交界性逸搏心律;改在二尖瓣环行重整标测可以确定慢径位置,在消融中均间断出现交界性逸搏心律,且消融均获成功。结论对于难治性AVNRT,可能需要在二尖瓣环消融,重整标测有助于确定慢径位置。
关键词(KeyWords)： 心动过速,房室结折返性;电生理学;射频消融
基金项目(Foundation):
作者(Author): 周菁,丁燕生,杨俊娟,苏加林,盛琴惠,张钧华
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