Red Blood Cells and Mortality After Coronary Artery Bypass Graft Surgery: An Analysis of 672Â Operative Deaths

Significant differences in PROM and the postoperative course leading to death between those with and without transfusion suggest the role of transfusion may be secondary to other patient-related factors. Recognizing that the relationship between transfusion and outcome after CABG remains incompletely understood, these findings are suggestive of a complex interaction of many variables.