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Right atrial anatomical remodeling affects early outcomes of nonvalvular atrial fibrillation after radiofrequency ablation.

Authors
 Jeonggeun Moon  ;  Yoo Jin Hong  ;  Jaemin Shim  ;  Hye-Jin Hwang  ;  Jong-Youn Kim  ;  Hui-Nam Pak  ;  Moon-Hyoung Lee  ;  Boyoung Joung 
Citation
 Circulation Journal, Vol.76(4) : 860-867, 2012 
Journal Title
 Circulation Journal 
ISSN
 1346-9843 
Issue Date
2012
Abstract
BACKGROUND: The impact of the right atrial (RA) anatomical remodeling on outcomes of atrial fibrillation (AF) after radiofrequency ablation (RFA) is unclear. METHODS AND RESULTS: Sixty-three patients (50 men, 57±10 years, 23 persistent AF [PeAF]) who underwent RFA for AF were enrolled. Both RA and left atrial (LA) volumes, measured with multidetector computed tomography, as well as echocardiographic parameters were compared between subjects with early (<3 months, n=13) or 1-year (n=19) recurrence after RFA and without recurrence. The RA volume index (RAVI) was larger (98±21 vs. 77±22 ml/m²) and PeAF was more common (62% vs. 30%) in the early recurrence group (P<0.05 for all), whereas the LA volume index (LAVI) was similar between the 2 groups (78±15 vs. 72±19 ml/m², P=0.23). Notably, RAVI was the only independent predictor of early recurrence (for each 10 ml/m² increase, OR: 1.650, 95%CI: 1.017-2.677, P=0.04). PeAF was the only independent predictor of 1-year recurrence after RFA (OR: 4.496, 95%CI: 1.110-18.211, P=0.04), whereas RAVI and LAVI were not. CONCLUSIONS: RA anatomical remodeling might affect the early recurrence of AF after RFA. However, the chronicity of AF, rather than RA and LA anatomical remodeling, is a determinant of 1-year recurrence of AF after RFA.
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DOI
10.1253/circj.CJ-11-1232
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
김종윤(Kim, Jong Youn) ORCID logo https://orcid.org/0000-0001-7040-8771
박희남(Pak, Hui Nam) ORCID logo https://orcid.org/0000-0002-3256-3620
심재민(Shim, Jae Min)
이문형(Lee, Moon Hyoung) ORCID logo https://orcid.org/0000-0002-7268-0741
정보영(Joung, Bo Young) ORCID logo https://orcid.org/0000-0001-9036-7225
홍유진(Hong, Yoo Jin) ORCID logo https://orcid.org/0000-0002-7276-0944
황혜진(Hwang, Hye Jin)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/89958
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