Abstract
Data were collected prospectively on 8581 cadaveric renal transplants performed by institutions of the South-Eastern Organ Procurement Foundation (SEOPF) during the period November 1, 1983 through December 31, 1987. Cyclosporine was the initial then always used immunosuppressant for 5742 of these patients while 1050 never received cyclosporine. The drug was started late in the course of 481 transplants and stopped early in 378 cases. This allowed for 7651 transplants to be analyzed regarding these four categories of cyclosporine use or non-use. Actuarial graft survival for the cyclosporine "ALWAYS" group was 75% at one year, 68% at two years, 62% at three years, and 59% at four years compared with 55%, 49%, 45%, and 43%, respectively for the cyclosporine "NEVER" group (P less than 0.0001). Inclusion of the 930 cases that could not be categorized regarding cyclosporine use or for which actuarial data was not complete allowed all 8581 transplants to be analyzed by multivariate methods. This analysis disclosed significant effects on graft survival due to delayed graft function, prior transplant, recipient race, HLA match, level of PRA, and cyclosporine use. Organ sharing had no effect on graft outcome. While cyclosporine improves outcome in renal transplantation, the importance of other biologic factors affecting graft survival is not diminished by its use.
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