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The aim of this study was to compare long-term mortality in patients undergoing primary isolated coronary artery bypass grafting who received ≥1 units of red blood cells (RBCs) or no RBCs. We hypothesized that a possible difference in long-term mortality was due to preoperative morbidity and/or postoperative morbidity.

european journal of cardio-thoracic surgery

Transfusion of red blood cells in coronary surgery: is there an effect on long-term mortality when adjusting for risk factors and postoperative complications?