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Simultaneous kidney-pancreas transplantation without antilymphocyte induction
Authors:Reddy K S  Stratta R J  Shokouh-Amiri H  Alloway R  Somerville T  Egidi M F  Gaber L W  Gaber A O
Institution:Department of Surgery, University of Kentucky Chandler Medical Center, Lexington 40536, USA.
Abstract:BACKGROUND: The introduction of potent new immunosuppressive agents may allow simultaneous kidney-pancreas transplantation to be performed without antilymphocyte induction. METHODS: We analyzed 30 simultaneous kidney-pancreas transplantations receiving tacrolimus, mycophenolate mofetil, and steroids without without antilymphocyte induction. Eighteen patients underwent pancreas transplantation with portal-enteric (P-E) drainage and the remaining 12 had systemic bladder (S-B) drainage. Target 12 hr trough tacrolimus levels for the first 3 months after simultaneous kidney-pancreas transplantation were 15-20 ng/ml. The oral mycophenolate mofetil dose was 2-3 g/day begun immediately posttransplant in two to four divided doses. Steroids were tapered according to protocol. RESULTS: All patients experienced immediate function of both kidney and pancreas grafts. One-year actuarial patient, kidney, and pancreas graft survival rates are 93, 93, and 90%, respectively. Nine patients (30%) had a total of 13 rejection episodes (12 biopsy proven) including 4 within 2 weeks, 6 between 2 weeks and 3 months, and 3 beyond 3 months after simultaneous kidney-pancreas transplantation. Three rejection episodes were treated with steroids alone and 10 were treated with antilymphocyte therapy (5 OKT3 and 5 ATGAM). A total of seven patients (23%) received antilymphocyte therapy. Three patients (10%) had more than one rejection episode. Two pancreas grafts (7%) and one kidney graft (3%) were lost from rejection. Four patients (13%) developed cytomegalovirus infection, but none had tissue-invasive cytomegalovirus. At present, 22 surviving patients (81%) remain on triple immunosuppression with tacrolimus, mycophenolate mofetil, and prednisone with excellent dual graft function. CONCLUSION: Tacrolimus, mycophenolate mofetil, and prednisone immunosuppression without without antilymphocyte induction is safe and effective after simultaneous kidney-pancreas transplantation.
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