title: Heart valve replacement in the elderly.
mesh_terms: D000368:Aged; D000790:Angiocardiography; D001021:Aortic Valve / Q000601:surgery; D003327:Coronary Disease / Q000150:complications / Q000000981:diagnostic imaging*; D006349:Heart Valve Diseases / Q000150:complications* / Q000601:surgery; D006801:Humans