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01.01.2019 | Original Article

Mid-term outcomes of concomitant left atrial appendage closure and catheter ablation for non-valvular atrial fibrillation: a multicenter registry

Heart and Vessels
Fang-zhou Liu, Wei-dong Lin, Hong-tao Liao, Jian Peng, Yu-mei Xue, Xian-zhang Zhan, Jie-ming Zhu, Kai-hang Yiu, Yi-fu Li, Hung-fat Tse, Li Shi, Xian-hong Fang, Shu-lin Wu
Wichtige Hinweise
Fang-zhou Liu, Wei-dong Lin and Hong-tao Liao contributed equally to this article.

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To investigate the safety and midterm outcome of concomitant left atrial appendage (LAA) closure and catheter ablation (CA) as a one-stage hybrid procedure for non-valvular atrial fibrillation (AF) in a multicenter registry. A total of 50 consecutive patients with symptomatic drug-resistant non-valvular AF with CHA2DS2-VASc score ≥ 2 and contraindications for antithrombotic therapy were included in the prospectively established LAA closure registry, and underwent concomitant LAA closure (48 for WATCHMAN and 2 for ACP) and CA procedure (40 for radiofrequency and 10 for cryoballoon CA). Two cardiac tamponades, one peripheral vascular complications and one mild air embolism were observed during perioperative period. After mean follow-up of 20.2 ± 11.5 months, 18 (36%) patients presented with atrial arrhythmia relapse and 45 (91.8%) patients presented with complete sealing; furthermore, there were two transient ischemic attacks and one ischemic stroke under an off-oral anticoagulant situation, respectively. Concomitant CA and LAA closure as a one-stage hybrid procedure might be feasible and potentially decrease costs in patients with symptomatic non-valvular AF with high stroke risk and contraindication to antithrombotic treatment, and as safe as LAA closure procedure only during the perioperative period. However, it was necessary to further validate the mid-term safety.

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