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首页> 外文期刊>Journal of arrhythmia. >Ablation on the mitral annulus for the treatment of atrial fibrillation: Anatomical consideration to prevent coronary injury
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Ablation on the mitral annulus for the treatment of atrial fibrillation: Anatomical consideration to prevent coronary injury

机译：二尖瓣环的消融治疗房颤：预防冠状动脉损伤的解剖学考虑

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摘要

Coronary injury is a crucial complication of ablation on the posterior mitral annulus (PMA). Fifty autopsy heart specimens were classified into different types according to the final branch of the left circumflex coronary artery. The no-coronary area on the PMA was examined in each type. The posterolateral type was most common (39/50); the no-coronary area was located between 50.7%+/-6.5% and 83.5%+/-8.0% on the PMA. Ablations at 38.6%+/-5.2% (for catheter intervention) and the middle point (for surgery) appear safe for the obtuse marginal type but not for the posterolateral type. Thus, the no-coronary area should be considered during PMA ablation.
机译：冠状动脉损伤是二尖瓣后环（PMA）消融的关键并发症。根据左旋支冠状动脉的最终分支将五十份尸检心脏标本分为不同类型。每种类型均检查了PMA的无冠状区域。后外侧型是最常见的（39/50）。在PMA上，非冠状动脉区域位于50.7％+ /-6.5％和83.5％+ /-8.0％之间。 38.6％+ /-5.2％的消融（用于导管介入术）和中点（用于手术）对于钝性边缘型似乎是安全的，但对于后外侧型则不安全。因此，在PMA消融期间应考虑无冠状区域。

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