Improved intra‐atrial conduction delay after successful ablation for atrial fibrillation by scar homogenization in right atrium

Abstract 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 s...

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Main Authors: Jeongduk Seo, Yae Min Park, Yong Hoon Shin, Albert Youngwoo Jang, Woong Chol Kang, Wook‐Jin Chung, Young‐Hoon Kim, In Suck Choi
Format: Article
Language:English
Published: Wiley 2023-11-01
Series:Annals of Noninvasive Electrocardiology
Subjects:
Online Access:https://doi.org/10.1111/anec.13091
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author Jeongduk Seo
Yae Min Park
Yong Hoon Shin
Albert Youngwoo Jang
Woong Chol Kang
Wook‐Jin Chung
Young‐Hoon Kim
In Suck Choi
author_facet Jeongduk Seo
Yae Min Park
Yong Hoon Shin
Albert Youngwoo Jang
Woong Chol Kang
Wook‐Jin Chung
Young‐Hoon Kim
In Suck Choi
author_sort Jeongduk Seo
collection DOAJ
description Abstract 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.
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spelling doaj.art-d3f58da036ef4634b3e8fd93ceb17f3e2023-11-15T06:40:29ZengWileyAnnals of Noninvasive Electrocardiology1082-720X1542-474X2023-11-01286n/an/a10.1111/anec.13091Improved intra‐atrial conduction delay after successful ablation for atrial fibrillation by scar homogenization in right atriumJeongduk Seo0Yae Min Park1Yong Hoon Shin2Albert Youngwoo Jang3Woong Chol Kang4Wook‐Jin Chung5Young‐Hoon Kim6In Suck Choi7Cardiology Division Gachon University Gil Medical Center Incheon KoreaCardiology Division Gachon University Gil Medical Center Incheon KoreaCardiology Division Gachon University Gil Medical Center Incheon KoreaCardiology Division Gachon University Gil Medical Center Incheon KoreaCardiology Division Gachon University Gil Medical Center Incheon KoreaCardiology Division Gachon University Gil Medical Center Incheon KoreaCardiology Division Korea University Anam Hospital Seoul KoreaCardiology Division Gachon University Gil Medical Center Incheon KoreaAbstract 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.https://doi.org/10.1111/anec.13091atrial fibrillationcatheter ablationintra‐atrial conduction delayright atriumscar homogenization
spellingShingle Jeongduk Seo
Yae Min Park
Yong Hoon Shin
Albert Youngwoo Jang
Woong Chol Kang
Wook‐Jin Chung
Young‐Hoon Kim
In Suck Choi
Improved intra‐atrial conduction delay after successful ablation for atrial fibrillation by scar homogenization in right atrium
Annals of Noninvasive Electrocardiology
atrial fibrillation
catheter ablation
intra‐atrial conduction delay
right atrium
scar homogenization
title Improved intra‐atrial conduction delay after successful ablation for atrial fibrillation by scar homogenization in right atrium
title_full Improved intra‐atrial conduction delay after successful ablation for atrial fibrillation by scar homogenization in right atrium
title_fullStr Improved intra‐atrial conduction delay after successful ablation for atrial fibrillation by scar homogenization in right atrium
title_full_unstemmed Improved intra‐atrial conduction delay after successful ablation for atrial fibrillation by scar homogenization in right atrium
title_short Improved intra‐atrial conduction delay after successful ablation for atrial fibrillation by scar homogenization in right atrium
title_sort improved intra atrial conduction delay after successful ablation for atrial fibrillation by scar homogenization in right atrium
topic atrial fibrillation
catheter ablation
intra‐atrial conduction delay
right atrium
scar homogenization
url https://doi.org/10.1111/anec.13091
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