Abstract
Background: The real-world outcomes of the use of the BASILICA (Bioprosthetic or Native Aortic Scallop Intentional Laceration to Prevent Iatrogenic Coronary Artery Obstruction) transcatheter technique in Europe have not been described.
Aims: We sought to evaluate the procedural and one-year outcomes of BASILICA in patients at high risk for coronary artery obstruction (CAO) undergoing transcatheter aortic valve implantation (TAVI) in a multicentre European registry (EURO-BASILICA).
Methods: Seventy-six patients undergoing BASILICA and TAVI at ten European centres were included. Eighty-five leaflets were identified as targets for BASILICA due to high risk for CAO. The updated Valve Academic Research Consortium 3 (VARC-3) definitions were used to determine prespecified endpoints of technical and procedural success and adverse events up to one year.
Results: Treated aortic valves included native (5.3%), surgical bioprosthetic (92.1%) and transcatheter valves (2.6%). Double BASILICA (for both left and right coronary cusps) was performed in 11.8% of patients. Technical success with BASILICA was achieved in 97.7% and resulted in freedom from any target leaflet-related CAO in 90.6% with a low rate of complete CAO (2.4%). Target leaflet-related CAO occurred significantly...
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