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Catheter Ablation Improves Mortality and Other Outcomes in Real-World Patients With Atrial Fibrillation

Authors
 Pil-Sung Yang  ;  Jung-Hoon Sung  ;  Eunsun Jang  ;  Hee Tae Yu  ;  Tae-Hoon Kim  ;  Jae-Sun Uhm  ;  Jong-Youn Kim  ;  Hui-Nam Pak  ;  Moon-Hyoung Lee  ;  Boyoung Joung 
Citation
 JOURNAL OF THE AMERICAN HEART ASSOCIATION, Vol.9(11) : e015740, 2020-06 
Journal Title
 JOURNAL OF THE AMERICAN HEART ASSOCIATION 
Issue Date
2020-06
Keywords
atrial fibrillation ; catheter ablation ; heart failure ; mortality
Abstract
Background It is still controversial whether catheter ablation for atrial fibrillation (AF) improves survival and other outcomes in patients with AF. This study evaluated whether ablation reduces death and other events in nationwide real-world Asian patients with AF. Methods and Results From the Korean National Health Insurance Service database, 194 928 adult patients (aged ≥18 years) with newly diagnosed AF were treated with ablation or medical therapy (antiarrhythmic or rate control drugs) between January 1, 2005, and December 1, 2015. Among these patients, this study included 9185 with ablation and 18 770 with medical therapy. The time at risk was counted from the first medical therapy, and ablation was analyzed as a time-varying covariate. Inverse probability of treatment weighting was used to correct for differences between the groups. After weighting, the 2 cohorts had similar background characteristics. During a median (25th, 75th percentiles) follow-up of 43 (19, 81) months, ablation of AF was associated with lower incidence and risk of composite outcome, including death, heart failure admission, and stroke/systemic embolism (2.5 and 6.4 per 100 person-years, respectively; hazard ratio [HR], 0.47; 95% CI, 0.43-0.52; P<0.001), all-cause death (1.0 and 3.6 per 100 person-years; HR, 0.41; 95% CI, 0.36-0.47; P<0.001), heart failure admission (0.7 and 1.9 per 100 person-years; HR, 0.43; 95% CI, 0.37-0.50), and ischemic stroke/systemic embolism (1.1 and 2.8 per 100 person-years; HR, 0.39; 95% CI, 0.34-0.44) than medical therapy. Conclusions Ablation may be associated with lower risk of death, heart failure admission, and ischemic stroke/systemic embolism in real-world Asian patients with AF.
Files in This Item:
T202001905.pdf Download
DOI
10.1161/JAHA.119.015740
Appears in Collections:
1. College of Medicine (의과대학) > BioMedical Science Institute (의생명과학부) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jong Youn(김종윤) ORCID logo https://orcid.org/0000-0001-7040-8771
Kim, Tae-Hoon(김태훈) ORCID logo https://orcid.org/0000-0003-4200-3456
Pak, Hui Nam(박희남) ORCID logo https://orcid.org/0000-0002-3256-3620
Uhm, Jae Sun(엄재선) ORCID logo https://orcid.org/0000-0002-1611-8172
Yu, Hee Tae(유희태) ORCID logo https://orcid.org/0000-0002-6835-4759
Lee, Moon-Hyoung(이문형) ORCID logo https://orcid.org/0000-0002-7268-0741
Jang, Eunsun(장은선) ORCID logo https://orcid.org/0000-0001-6991-4765
Joung, Bo Young(정보영) ORCID logo https://orcid.org/0000-0001-9036-7225
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179312
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