<unk>  is an "open heart" procedure performed by cardithoracic surgeons for treatment of narrowing (stenosis) or leakage (regurgitation) of the aortic<unk> .
Aortic valve replacement
Aortic valve repair
Mitral valve replacement
Mitral valve repair
Mitral regurgitation surgery
Aortic stenosis valvuloplasty
Transcatheter aortic valve replacement
Tricuspid regurgitation therapy