title: Invited commentary.
authors.affiliation: The Congenital Heart Institute, Arnold Palmer Hospital for Children, Department of Surgery, University of Central Florida College of Medicine, 50 W Sturtevant St, Orlando, FL 32806-2036, USA. william.decampli@orlandohealth.com
authors.forename: William M
authors.initials: WM
authors.lastname: DeCampli
mesh_terms: D015331:Cohort Studies; D017707:Erythrocyte Transfusion; D006331:Heart Diseases / Q000209:etiology / Q000401:mortality / Q000601:surgery*; D006801:Humans; D007902:Length of Stay; D011182:Postoperative Care; D011183:Postoperative Complications; D015203:Reproducibility of Results; D012189:Retrospective Studies; D016019:Survival Analysis; D016896:Treatment Outcome