03/17/2026 03:00:00 AMEach year, millions of patients undergoing major surgery receive blood transfusions, yet one fundamental question remains: when does a transfusion help—and when might it do more harm than good? That question is at the center of a clinical study led by Downstate researchers that recently drew national attention.Office of the President/var/staging/oucampus/suny-downstate/downstate/about/office-of-the-president/presidents-bulletin/2026/03-17/06-study-on-postoperative-transfusions.xmlSurgery