OUTCOME OF CADAVERIC RENAL TRANSPLANT PATIENTS TREATED FOR 10 YEARS WITH CYCLOSPORINE

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Abstract
The introduction of cyclosporine (CsA) has improved the short-term outcome of renal transplantation, but its effect on the long-term survival is not well known. We analyzed 128 cadaveric first renal transplant recipients with CsA and prednisone as basal immunosuppression followed for at least 10 years, and we have compared them with a group of 185 historical patients treated with azathioprine (Aza) and prednisone. The 1-year graft survival was 83% in the CsA-treated patients and 68% in the Aza-treated patients (P<0.025), and the differences were significant for 3 years. Acute rejection accounted for the 10.9% of losses in CsA-treated patients and for 23.8% of losses in Aza-treated patients (P=0.046). Chronic allograft nephropathy was the cause of graft losses in 40.6% and 16.8% of cases (P=0.008). Patient survival at 5 years was 88% in CsA-treated patients and 79% in the Aza-treated patients (P<0.025). When analyzing the data of the 64 CsA-treated patients and the 84 Aza-treated patients with one functioning graft at 10 years, mean serum creatinine values were significantly higher in the CsA-treated patients at all time points but the increases were not significantly different. At 10 years, mean blood pressure was higher (P=0.002), and hypercholesterolemia (P=0.011) and hyperuricemia (P=0.000) were more prevalent in the CsA-treated patients. CsA resulted in a better short-time patient and graft survival that was not maintained in the long-term outcome. Chronic allograft nephropathy was the leading cause of graft loss in CsA-treated patients. Graft function was poorer in the CsA-treated patients, but its decline was similar in the two groups.