Abstract
Atrial Fibrillation (AF) is the most common sustained cardiac arrhythmia in the clinical practice and one of the main causes of cerebrovascular accident. It is known that the pulmonary veins (PVs) are involved in the beginning and maintenance of AF, and that the isolation of the PVs (PVI) through radiofrequency catether ablation is efficient in the treatment of paroxystic AF. However, the…