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  • Title: Long-term graft outcome in patients with chronic allograft nephropathy after immunosuppression modifications.
    Author: El-Agroudy AE, El-Dahshan KF, Mahmoud K, Ismail AM, El-Baz M, Shokeir AA, Ghoneim MA.
    Journal: Clin Exp Nephrol; 2009 Feb; 13(1):66-72. PubMed ID: 18716711.
    Abstract:
    BACKGROUND/AIM: This retrospective study was conducted to assess the efficacy and safety of immunosuppression conversion on progression of chronic allograft nephropathy (CAN). METHODS: One-hundred and seventy-four cyclosporin (CsA)-treated renal transplant recipients were studied. Patients were included if they had a biopsy-proven CAN (mild to moderate) with serum creatinine < or =3.5 mg/dL. Patient treatment was switched to either: (A) MMF/reduced dose CsA (MMF for azathioprine (Aza); n = 132); or (B) Aza/Tac for CsA (n = 42). Patient records were checked for graft function and survival, and for co-morbidities after conversion. RESULTS: Mean follow-up before conversion was 52.2 +/- 31.1 and 47.9 +/- 27.4 months for groups A and B, respectively. There was significant deterioration of graft function in group B after five years (P < 0.5). Ten-year actuarial graft survival was 38% in group A and 19% in group B (P = 0.04). Nine patients (five patients and four patients in groups A and B, respectively) started dialysis within 12 months. Tacrolimus-treated patients had a lower insignificant incidence of hyperlipidemia (P = 0.05), but a significantly higher incidence of diabetes mellitus (P = 0.04).There was no significant change or difference in blood pressure between groups. CONCLUSIONS: Our results suggest that in patients with CAN and deteriorating allograft function, CsA minimization and addition of MMF achieved favorable efficacies in retarding the decline of graft function. Further prospective studies with larger cohorts are needed for validation.
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