Research progress of left atrial appendage electrical isolation in the treatment of persistent atrial fibrillation
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摘要: 肺静脉隔离是心房颤动(房颤)导管消融的基石，对于阵发性房颤有良好效果，但在持续性房颤中的效果则不尽人意。肺静脉隔离以外的辅助消融策略有助于提高持续性房颤的手术成功率。左心耳不仅是心腔内血栓的常见起源，还是导致快速性房性心律失常发生或维持的因素，因而左心耳电隔离成为持续性房颤辅助消融策略之一，研究表明其可能有助于提高持续性房颤的手术成功率。本文就左心耳电隔离的相关研究进展作一综述。Abstract: Pulmonary vein isolation(PVI) is the cornerstone of catheter ablation of atrial fibrillation(AF), which has a good effect on paroxysmal AF. But it is less effective in patients with persistent AF. Adjuvant ablation strategies other than PVI can improve the surgical success rate of persistent AF. The left atrial appendage is not only a common source of intracardiac thrombosis, but also a factor in the occurrence or maintenance of atrial tachyarrhythmias. Therefore, left atrial appendage electrical isolation has become one of the ablation strategies for persistent AF. Studies have shown that it may help to improve the surgical success rate of persistent AF. This paper reviews the research progress of left atrial appendage electrical isolation.
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Key words:
- arrhythmia /
- atrial fibrillation /
- left atrial appendage /
- catheter ablation
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