title: Invited commentary.
authors.affiliation: Department of Cardiac Surgery, International University of Health and Welfare, 537-3 Iguchi, Nasushiobara, Tochigi 329-2763, Japan. kobando@iuhw.ac.jp
authors.forename: Ko
authors.initials: K
authors.lastname: Bando
mesh_terms: D005260:Female; D006349:Heart Valve Diseases / Q000601:surgery*; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008297:Male; D014261:Tricuspid Valve / Q000601:surgery*