The primary purpose of the FIN-bioAVR registry is to assess the incidence of AF, strokes and major bleeding events in patients undergoing aortic valve replacement. This retrospective multicenter registry will include 850 patients with aortic valve replacement using bioprosthesis.

Inclusion Criteria:

• patients undergoing aortic valve bioprosthesis implantation

Exclusion Criteria:

• mechanical heart valves in any position

All-comers design of patients undergoing aortic valve bioprosthesis implantation