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  • Title: Progress in pancreas transplantation and combined pancreas-kidney transplantation.
    Author: Ming CS, Chen ZH.
    Journal: Hepatobiliary Pancreat Dis Int; 2007 Feb; 6(1):17-23. PubMed ID: 17287160.
    Abstract:
    BACKGROUND: Pancreas transplantation (PT) has proved effective but it is associated with a high risk of surgical complications and technical failure. Duct management and venous drainage are identified as major issues. Improvements in immunosuppression and prophylaxis greatly have contributed to surgical progress. DATA SOURCES: A literature search of the PubMed database (1996-2005) was conducted and research articles on PT reviewed. RESULTS: More than 23 000 PTs have been performed throughout the world. The majority (83%) were performed in combination with kidney transplantation [simultaneous pancreas-kidney transplantation (SPK)]. Pancreas graft survival rates at one year were 85% for 2001-2003 SPK cases, 79% for pancreas after kidney transplantation (PAK) cases, and 76% for pancreas transplantation alone (PTA) cases. For the 1999-2003 cases, enteric drainage was done in 79% of the SPK cases and bladder drainage in 21%. Patient survival rates, pancreas and kidney graft survival rates, and pancreas graft immunological failure rates did not differ significantly in enteric versus bladder drainage cases. All the available data fail to demonstrate a definitive advantage of portal drainage over systemic drainage. From 1993 to 2002, the use of rabbit antithymocyte globulin increased from 0 to 37%; the use of daclizumab increased from 0 to 16%; and the use of basiliximab increased from 0 to 25%. In 1993, 98% of SPK recipients received cyclosporine; but this was decreased to 9% in 2002. Tacrolimus (FK506) usage has increased from 0 (1993) to 87% (2002) of SPK recipients. Sirolimus (SIR) usage has increased from 0 (1993) to 18% (2002) of SPK recipients. CONCLUSIONS: PT remains an effective therapy for treatment of type I diabetes mellitus. Enteric drainage is currently predominant in SPK, but bladder drainage is still largely used. Portal drainage is as safe as systemic drainage, but there is still no convincing evidence about whether it is immunologically or metabolically convenient. The combined of FK506 and mycophenolate mophetil (MMF) is the preferred maintenance immunosuppression in PT. Sirolimus may be a good alternative as a second agent in recipients of PT under FK506 therapy.
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