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OBJECTIVE: To identify potential risk factors for the development of chronic renal allograft failure. SUMMARY BACKGROUND DATA: Chronic allograft failure (CAF) is the leading cause of late graft loss in renal transplantation. The authors studied the risk factors for the development of CAF in a single center during a period in which a consistent baseline immunosuppression regimen (cyclosporine, azathioprine, and prednisolone) was used. METHODS: Data from the Oxford Transplant Center Database were assessed on 862 renal allografts during a 10-year period. Risk factors were identified using multivariate logistic regression analysis. RESULTS: Biopsy-proven CAF occurred in 77 patients (9.2%) in the entire group. Multivariate risk factor analysis revealed that early and late acute rejection episodes, proteinuria, and serum triglycerides were significant factors. Acute rejection after 3 months was more important than early acute rejection. Serum triglyceride level and proteinuria at 1 year were both elevated in the CAF group. Male sex provided a protective effect. Serum creatinine levels at 6 months after the transplant were not predictive of the risk of developing CAF. CONCLUSIONS: These results from the largest single-center review to date suggest that both antigen-dependent and -independent factors are involved in the pathogenesis of CAF. Acute rejection at all time points has a significant impact on the development of CAF.


Journal article


Ann Surg

Publication Date





98 - 103


Adult, Chronic Disease, Creatinine, Female, Graft Rejection, Humans, Kidney Transplantation, Logistic Models, Male, Middle Aged, Retrospective Studies, Risk Factors, Time Factors, Triglycerides