Blood Conservation During Myocardial Revascularization

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Abstract

A prospective study of blood utilization in 50 consecutive patients undergoing elective coronary artery bypass was undertaken. Blood was removed from all patients during induction of anesthesia and reinfused after bypass (mean, 675 ml). Intraoperatively, all discard suction was routed through a regionally heparinized collecting and processing system, and the resulting red cell concentrate was transfused. At the conclusion of bypass, all blood remaining in the pump oxygenator was retained for transfusion. After operation, shed mediastinal blood was collected in a sterile, filtered collection system and transfused. Normovolemic anemia was accepted in hemodynamically stable patients. The mean amount of patients' blood salvaged by the intraoperative system was 259 ml (range, 0 to 724 ml) and by the postoperative system, 104 ml (range, 0 to 564 ml). Ninety-four percent (47/50) of the patients received no bank blood or blood products during their hospital stay. No patients received bank blood intraoperatively or during the first 24 hours following operation. There were no complications attributable to blood salvage techniques. © 1979, The Society of Thoracic Surgeons. All rights reserved.

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Cosgrove, D. M., Thurer, R. L., Lytle, B. W., Gill, C. G., Peter, M., & Loop, F. D. (1979). Blood Conservation During Myocardial Revascularization. Annals of Thoracic Surgery, 28(2), 184–189. https://doi.org/10.1016/S0003-4975(10)63778-2

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