Strategy of Crossing Two Ablation Techniques (Cryoballoon and Radiofrequency) After the Recurrence of Paroxysmal AF and the Need for a New Procedure

Inclusion Criteria: * Paroxysmal FA (one that ends, spontaneously or not, within 7 days of its onset. GUIDELINES ESC FA 2020) * Have undergone an initial AF ablation procedure using Cryoballoon or point-to-point focal RF within the three years prior to the initial visit. * During the initial AF ablation procedure ONLY pulmonary vein isolation / ablation will have been performed * Documented recurrence of AF lasting more than 30 seconds after the first ablation procedure. * With the ability and willingness to sign the informed consent of the patient. * With a minimum follow-up capacity of 12 months. Exclusion Criteria: * Patients aged \<18 years. * Previous heart surgery. * Moderate or severe mitral valve disease. * Severe dilation of the left atrium, defined as a volume greater than 48 ml / m2 or a left atrial diameter greater than 50 mm in the parasternal long axis. * Contraindication for anticoagulation. * Pregnancy or pregnancy intention during the 12-month follow-up. * Life expectancy less than 12 months. * Unavailability for follow-up for 12 months. * Simultaneous participation in another clinical trial