title: Letter by Petretta regarding article, "Catheter ablation of atrial fibrillation in patients with left ventricular systolic dysfunction: a systematic review and meta-analysis".
authors.affiliation: Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy.
authors.forename: Mario
authors.initials: M
authors.lastname: Petretta
mesh_terms: D001281:Atrial Fibrillation / Q000601:surgery*; D017115:Catheter Ablation; D005260:Female; D006801:Humans; D008297:Male; D013599:Systole; D018487:Ventricular Dysfunction, Left / Q000503:physiopathology*; D016277:Ventricular Function, Left