Left atrial appendage electrical isolation for persistent atrial fibrillation: Radiofrequency vs cryoballoon ablation

Dr Di Biase is a consultant for Biosense Webster, Stereotaxis, Boston Scientific, and Abbott Medical. Dr Di Biase received speaker honoraria/travel from Medtronic, Pfizer, Bristol Meyers Squibb, and Biotronik. Dr Romero has no disclosures.