title: Invited commentary.
authors.affiliation: Queensland Paediatric Cardiac Services, Mater Children's Hospital, Raymond Terrace, S. Brisbane, Qu 4101, Australia. tom.karl@mater.org.au
authors.forename: Tom
authors.initials: T
authors.lastname: Karl
mesh_terms: D006348:Cardiac Surgical Procedures / Q000379:methods* / Q000401:mortality*; D003490:Cyanosis / Q000401:mortality / Q000601:surgery; D006330:Heart Defects, Congenital / Q000401:mortality / Q000601:surgery; D006801:Humans; D007150:Immunohistochemistry; D011379:Prognosis; D011651:Pulmonary Artery / Q000473:pathology*