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  • Title: Influence of maintenance steroids on the outcomes in deceased-donor kidney transplant recipients exposed to prolonged pretransplantation dialysis.
    Author: Sureshkumar KK, Hussain SM, Thai NL, Marcus RJ.
    Journal: Transplant Proc; 2013; 45(1):99-101. PubMed ID: 23375281.
    Abstract:
    BACKGROUND: Pre-transplant dialysis duration exerts a graded negative influence on outcomes after kidney transplantation. Higher immune reactivity associated with prolonged dialysis with consequent increased acute rejection could be contributory. METHODS: Using the Organ Procurement and Transplant Network/United Network of Organ Sharing database, we identified patients ≥ 18 years of age who received deceased-donor kidney (DDK) transplants from 2000 to 2008 after being on maintenance dialysis for ≥ 4 years. Patients received induction therapy with rabbit antithymocyte globulin (r-ATG), alemtuzumab, or an interleukin-2 receptor blocker (IL-2B) and were discharged on calcineurin inhibitor (CNI)/mycophenolate mofetil (MMF)-based immunosuppression with or without steroid. Unadjusted and adjusted graft/patient survivals were compared in steroid versus no-steroid groups by induction type. RESULTS: A total of 14,459 patients were identified, of which 7,684 received r-ATG (steroid, 6,098; no-steroid, 1,586), 1,292 alemtuzumab (steroid, 362; no-steroid, 930), and 5,483 an IL-2B agent (steroid, 5,107; no-steroid, 376). Adjusted graft survivals were similar for steroid versus no-steroid groups in r-ATG (hazard ratio [HR] 1.10, 95% confidence interval (CI) 0.96-1.26, P = .16), alemtuzumab (HR 0.88, 95% CI 0.65-1.19; P = .40), and IL-2B (HR 0.91, 95% CI 0.73-1.13; P = .38) groups. Adjusted patient survival for steroid versus no-steroid groups was inferior in r-ATG (HR 1.41, 95% CI 1.17-1.71; P < .001) but similar in alemtuzumab (HR 1.05, 95% CI 0.70-1.59; P = .80) and IL-2B (HR 1.17, 95% CI 0.86-1.58; P = .32) groups. CONCLUSIONS: Our analysis failed to show a graft survival benefit for the addition of steroid to a CNI/MMF-based immunosuppression after induction with r-ATG, alemtuzumab, or an IL-2B agent in DDK recipients exposed to prolonged pretransplantation dialysis.
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