title: Invited commentary.
authors.affiliation: Klinik fur Herzchirurgie, Universitätsklinikum Schleswig-Holstein Campus Luebeck, Ratzeburger Alle 160, Luebeck, 23538 Germany. sievers@medinf.mu-luebeck.de
authors.forename: Hans-Hinrich
authors.initials: HH
authors.lastname: Sievers
mesh_terms: D001021:Aortic Valve / Q000002:abnormalities* / Q000601:surgery; D005260:Female; D006330:Heart Defects, Congenital / Q000150:complications*; D019918:Heart Valve Prosthesis Implantation / Q000379:methods; D006801:Humans; D008297:Male; D008943:Mitral Valve; D008944:Mitral Valve Insufficiency / Q000209:etiology / Q000601:surgery*; D008945:Mitral Valve Prolapse / Q000209:etiology / Q000601:surgery*; D011379:Prognosis