title: Invited commentary.
authors.affiliation: Cardiac Surgery, Children's National Medical Center, 111 Michigan Ave NW, Washington, DC 20010. Electronic address: rjonas@cnmc.org.
authors.forename: Richard
authors.initials: R
authors.lastname: Jonas
mesh_terms: D000015:Abnormalities, Multiple / Q000601:surgery*; D005260:Female; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D008297:Male; D011664:Pulmonary Valve / Q000002:abnormalities* / Q000601:surgery*; D013771:Tetralogy of Fallot / Q000601:surgery*