title: Invited commentary.
authors.affiliation: Department of Thoracic and Cardiovascular Surgery, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA. atikf@ccf.org
authors.forename: Fernando A
authors.initials: FA
authors.lastname: Atik
authors.forename: Gosta B
authors.initials: GB
authors.lastname: Pettersson
mesh_terms: D000328:Adult; D000367:Age Factors; D002648:Child; D006801:Humans; D011183:Postoperative Complications / Q000401:mortality; D013771:Tetralogy of Fallot / Q000601:surgery*