Sinus rhythm restores ventricular function in patients with cardiomyopathy and no late gadolinium enhancement on cardiac magnetic resonance imaging who undergo catheter ablation for atrial fibrillation

Background Atrial fibrillation (AF) and systolic heart failure (HF) frequently coexist. Restoration of sinus rhythm by catheter ablation may result in a variable improvement in left ventricular (LV) function. Late-gadolinium enhancement (LGE) on cardiac magnetic resonance (CMR) imaging identifies ir...

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Veröffentlicht in:	Heart rhythm 2013-09, Vol.10 (9), p.1334-1339
Hauptverfasser:	Ling, Liang-Han, MBBS, PhD, Taylor, Andrew J., MBBS, PhD, Ellims, Andris H., MBBS, Iles, Leah M., MBBS, McLellan, Alex J.A., MBBS, Lee, Geoffrey, MBChB, PhD, Kumar, Saurabh, BSc (Med)/ MBBS, PhD, Lee, Geraldine, PhD, Teh, Andrew, MBBS, PhD, Medi, Caroline, B.Med, PhD, Kaye, David M., MBBS, PhD, Kalman, Jonathan M., MBBS, PhD, Kistler, Peter M., MBBS, PhD
Format:	Artikel
Sprache:	eng
Schlagworte:	Ablation Atrial fibrillation Atrial Fibrillation - physiopathology Atrial Fibrillation - surgery Cardiac magnetic resonance Cardiomyopathies - diagnosis Cardiomyopathies - physiopathology Cardiovascular Catheter Ablation Fibrosis - surgery Gadolinium Heart Conduction System - physiopathology Heart failure Heart Failure - physiopathology Humans Image Enhancement Late-gadolinium enhancement Magnetic Resonance Imaging - methods Myocardium Radiopharmaceuticals Recovery of Function - physiology Ventricular Dysfunction, Left - physiopathology Ventricular Function, Left
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Zusammenfassung:	Background Atrial fibrillation (AF) and systolic heart failure (HF) frequently coexist. Restoration of sinus rhythm by catheter ablation may result in a variable improvement in left ventricular (LV) function. Late-gadolinium enhancement (LGE) on cardiac magnetic resonance (CMR) imaging identifies irreversible structural change and may predict incomplete recovery of LV function. Objective To prospectively select patients with AF and symptomatic HF but without LV LGE and report the impact of AF ablation on LV function. Methods Patients with AF and symptomatic HF (LV ejection fraction
ISSN:	1547-5271 1556-3871
DOI:	10.1016/j.hrthm.2013.06.019