<unk>  surgery is the replacement of one or more of the heart<unk> s with either an artificial heart<unk>  or a bioprosthesis (homograft from human tissue or xenograft e.g. from pig). It is an alternative to<unk>  repair. __TOC__
Valve replacement
Heart valve repair
Aortic valve repair
Mitral valve repair
Mitral valve replacement
Heart transplantation
Aortic valve replacement
Percutaneous aortic valve replacement