Radiofrequency Ablation for Persistent Atrial Fibrillation in Patients With Advanced Heart Failure and Severe Left Ventricular Systolic Dysfunction: A Randomised Controlled Trial

Study Questions:

Does radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF) improve left ventricular ejection fraction (LVEF) in patients with heart failure (HF)?