title: Invited commentary.
authors.affiliation: Department of Cardiothoracic Anesthesia, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH 44195, USA. kochc@ccf.org
authors.forename: Colleen G
authors.initials: CG
authors.lastname: Koch
mesh_terms: D000740:Anemia / Q000628:therapy*; D001803:Blood Transfusion / Q000379:methods*; D006348:Cardiac Surgical Procedures; D005260:Female; D006331:Heart Diseases / Q000601:surgery*; D006801:Humans; D008297:Male