Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2021
Catheter ablation for non-paroxysmal atrial fibrillation accompanied by heart failure with preserved ejection fraction: feasibility and benefits in functions and B-type natriuretic peptide.
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Yamauchi Ryota, Morishima Itsuro, Okumura Kenji, Kanzaki Yasunori, Morita Yasuhiro, Takagi Kensuke, Nagai Hiroaki, Watanabe Naoki, Furui Koichi, Yoshioka Naoki, Miyazawa Hiroyuki, Shimojo Kazuki, Imaoka Takuro, Sakamoto Gaku, Murohara Toyoaki
Аннотация
AIMS: We aimed to examine the benefits of catheter ablation in patients with non-paroxysmal atrial fibrillation (AF) accompanied by heart failure (HF) with preserved ejection fraction (HFpEF), in comparison with the benefits in patients with AF accompanied by HF with reduced ejection fraction (HFrEF) or patients with no HF.
METHODS AND RESULTS: From 1173 consecutive patients undergoing catheter ablation, 502 with non-paroxysmal AF were divided into three groups: no history of HF [plasma B-type natriuretic peptide (BNP) <100 pg/mL and no HF hospitalization; n = 125], HFpEF [left ventricular (LV) EF ≥50%; n = 293], and HF with midrange EF (HFmrEF) + HFrEF (LVEF <50%; n = 84) groups. The endpoints were AF recurrence at 1 year, changes in symptomatic and image-based functional status, and changes in BNP levels from baseline to 1 year. In the HFpEF group, AF recurred in 48 patients (16.4%) and 278 patients (94.8%) had sinus rhythm at 1 year; these values were comparable with those in the other groups. Significant improvement was observed in the left atrial diameter, LVEF, and New York Heart Association functional class in the HFpEF and HFmrEF + HFrEF groups. The BNP level significantly decreased irrespective of the index rate control status, and freedom from AF recurrence was an independent predictor of HF remission, defined as BNP <100 pg/mL at 1 year, in the HFpEF group.
CONCLUSION: Catheter ablation is highly feasible for restoring sinus rhythm in non-paroxysmal AF with coexisting HFpEF, thereby improving cardiac function and BNP levels. Catheter ablation for AF may be an optional management strategy.
METHODS AND RESULTS: From 1173 consecutive patients undergoing catheter ablation, 502 with non-paroxysmal AF were divided into three groups: no history of HF [plasma B-type natriuretic peptide (BNP) <100 pg/mL and no HF hospitalization; n = 125], HFpEF [left ventricular (LV) EF ≥50%; n = 293], and HF with midrange EF (HFmrEF) + HFrEF (LVEF <50%; n = 84) groups. The endpoints were AF recurrence at 1 year, changes in symptomatic and image-based functional status, and changes in BNP levels from baseline to 1 year. In the HFpEF group, AF recurred in 48 patients (16.4%) and 278 patients (94.8%) had sinus rhythm at 1 year; these values were comparable with those in the other groups. Significant improvement was observed in the left atrial diameter, LVEF, and New York Heart Association functional class in the HFpEF and HFmrEF + HFrEF groups. The BNP level significantly decreased irrespective of the index rate control status, and freedom from AF recurrence was an independent predictor of HF remission, defined as BNP <100 pg/mL at 1 year, in the HFpEF group.
CONCLUSION: Catheter ablation is highly feasible for restoring sinus rhythm in non-paroxysmal AF with coexisting HFpEF, thereby improving cardiac function and BNP levels. Catheter ablation for AF may be an optional management strategy.