Improved intra-atrial conduction delay after successful ablation for atrial fibrillation by scar homogenization in right atrium,Annals of Noninvasive Electrocardiology

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Improved intra-atrial conduction delay after successful ablation for atrial fibrillation by scar homogenization in right atrium
Annals of Noninvasive Electrocardiology ( IF 1.1 ) Pub Date : 2023-10-02 , DOI: 10.1111/anec.13091
Jeongduk Seo ₁ , Yae Min Park ₁ , Yong Hoon Shin ₁ , Albert Youngwoo Jang ₁ , Woong Chol Kang ₁ , Wook-Jin Chung ₁ , Young-Hoon Kim ₂ , In Suck Choi ₁

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Atrial fibrosis in the right atrium (RA) presenting as a low-voltage zone might be the mechanism of atrial fibrillation (AF) and intra-atrial conduction delay. The impact of scar homogenization in RA on intra-atrial conduction delay is unknown. We describe a patient with paroxysmal AF and significant intra-atrial conduction delay with repetitive atrial flutter, triggered from the lateral free wall in the RA between the significant low-voltage zone and slow conduction area after pulmonary vein isolation. Linear ablation along the trabeculated lateral free wall in the RA to homogenize the scar was successfully performed, and the intra-atrial conduction delay improved ultimately.

中文翻译：

通过右心房疤痕均质化成功消融房颤后改善心房内传导延迟

右心房（RA）中表现为低电压区的心房纤维化可能是心房颤动（AF）和心房内传导延迟的机制。 RA 中疤痕均质化对心房内传导延迟的影响尚不清楚。我们描述了一名患有阵发性房颤和明显心房内传导延迟并伴有重复性心房扑动的患者，这是由肺静脉隔离后显着低电压区和慢传导区之间的 RA 外侧游离壁触发的。成功地沿 RA 的小梁外侧游离壁进行线性消融，使疤痕均匀化，心房内传导延迟最终得到改善。

更新日期：2023-10-02

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