P5650Improvement in ejection fraction predicts heart failure after catheter ablation for atrial fibrillation in patients with left ventricular systolic dysfunction: from the KPAF registry

Abstract Introduction The presence of atrial fibrillation (AF) in patients with reduced left ventricular ejection fraction (LVEF) is associated with increased risks of mortality and hospitalization for heart failure (HF). Although prior studies reported that catheter ablation (CA) for AF in low LVEF...

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Published in:European heart journal 2019-10, Vol.40 (Supplement_1)
Main Authors: Fujimoto, H, Doi, N, Hirai, K, Naito, M, Shizuta, S, Kobori, A, Inoue, K, Kaitani, K, Kurotobi, T, Morishima, I, Satomi, K, Yamaji, H, Nakazawa, Y, Kusano, K, Kimura, T
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Language:English
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Summary:Abstract Introduction The presence of atrial fibrillation (AF) in patients with reduced left ventricular ejection fraction (LVEF) is associated with increased risks of mortality and hospitalization for heart failure (HF). Although prior studies reported that catheter ablation (CA) for AF in low LVEF patients reduced risks of all-cause mortality and HF hospitalization, the predictors of worsening HF after ablation has not been adequately evaluated. Purpose The purpose of this study was to investigate the impact of improvement in LVEF after AF ablation on the incidence of subsequent HF hospitalization in patients with low LVEF. Methods The Kansai Plus Atrial Fibrillation (KPAF) Registry is a multicenter registry enrolling 5,013 consecutive patients undergoing first-time ablation for AF. The current study population consisted of 1,031 patients with reduced LVEF of
ISSN:0195-668X
1522-9645
DOI:10.1093/eurheartj/ehz746.0593