title: Invited commentary.
authors.affiliation: Department of Thoracic and Cardiovascular Surgery, Saarland University Medical Center, Kirrberger Str. 1, D-66421 Homburg/Saar, Germany. Electronic address: h-j.schaefers@uks.eu.
authors.forename: Hans-Joachim
authors.initials: HJ
authors.lastname: Schäfers
mesh_terms: D001021:Aortic Valve / Q000033:anatomy & histology* / Q000601:surgery*; D058385:Cardiac Valve Annuloplasty / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male