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BackgroundLittle is known about the association between B‐type natriuretic peptide (BNP) levels and catheter ablation of atrial fibrillation (AF) in patients with heart failure. This study aimed to examine the impact of elimination of AF by catheter ablation on BNP levels in patients with left ventricular systolic dysfunction.
MethodsFifty‐four AF patients with left ventricular ejection fraction...
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