title: Invited commentary.
authors.affiliation: Cardiothoracic Surgery, German Heart Center Munich, Lazarettstr 36, Munich, D-80636, Germany. Electronic address: cleuziou@dhm.mhn.de.
authors.forename: Julie
authors.initials: J
authors.lastname: Cleuziou
mesh_terms: D016063:Blood Loss, Surgical / Q000517:prevention & control*; D001803:Blood Transfusion / Q000706:statistics & numerical data*; D006348:Cardiac Surgical Procedures / Q000706:statistics & numerical data*; D006330:Heart Defects, Congenital / Q000601:surgery*; D006801:Humans