PRETRANSPLANT TRANSFUSIONS IN CARDIAC ALLOGRAFT RECIPIENTS

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Abstract
The role of pretransplant transfusion in cardiac allograft recipients was determined retrospectively in 68 patients. Three groups were studied: group 1 (n = 29) received no pretransplant transfusion, group 2 (n = 15) received transfusion over one year prior to transplantation, and Group 3 (n = 24) received 5 or 10 50-100 ml units of random donor red blood cells or buffy coat 2-4 weeks prior to transplantation. Data were analyzed for survival, number of rejection episodes, and number of infections. Immunosuppression included azathioprine, prednisone, and antithymocyte globulin. Survival in transfused patients (groups 2 and 3) was 68% and 51% at 1 and 5 years, respectively, while in the nontransfused population (group 1) it was 35% and 16%. The incidence of rejection episodes per year of survival was similar in the three groups (group 1: 1.3, group 2: 1.1, group 3: 1.3; P greater than 0.05). The number of infections per year of survival were greater in the transfused patients but this did not achieve statistical significance (group 1: 1.0, group 2: 1.2, group 3: 1.7; P greater than 0.05). Thus, we conclude that cardiac transplant recipients who have received blood transfusions prior to transplantation may have enhanced survival over patients who have not received preoperative transfusions.

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