title: Blood transfusions for heart surgery:  less necessary than in the past.  Cardiac surgeons can take steps to avoid the need for a transfusion.
mesh_terms: D001803:Blood Transfusion; D006348:Cardiac Surgical Procedures / Q000379:methods*; D006801:Humans; D018579:Patient Selection; D010818:Practice Patterns, Physicians'; D019564:Unnecessary Procedures