Immunologic Factors Determining Survival of Cadaver-Kidney Transplants

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Abstract
We assessed immunologic factors determining graft survival in 510 recipients of primary cadaver allografts at one center. The degree of HLA match grade did not directly affect graft survival (54 per cent in no-antigen match, and 42 per cent in three-antigen match, at two years). There was no correlation between the HLA match grade and the degree of stimulation of the mixed lymphocyte culture. Patients receiving more than five blood transfusions had a significantly better graft survival than nontransfused recipients (52 versus 23 per cent, respectively, at two years, P<0.001). The beneficial effect of transfusions was noted whether or not lymphocytotoxic antibodies were produced, provided adequate screening was performed before transplantation. Transfusions did not alter the degree of stimulation in the mixed lymphocyte culture. More liberal use of transfusions and frequent screening for cytotoxic antibodies would probably result in more effective cadaver-kidney transplantation. (N Engl J Med 299:793–798, 1978)