LEFT ATRIAL APPENDAGE LIGATION AND ABLATION FOR PERSISTENT ATRIAL FIBRILLATION (LAALA-AF REGISTRY)

Left atrial appendage (LAA) isolation is known to be an important adjunctive therapy to improve outcomes of pulmonary vein isolation in patients with persistent AF. Percutaneous endo-epicardial LAA closure system (LARIAT) can result in both mechanical and electrical exclusion of the LAA and may