Incidence and Indications for Late Allograft Pancreatectomy while on Continued Immunosuppression.

Background: There are limited data about the incidence and indications for late allograft pancreatectomy while on continued immunosuppression for functional kidney allografts. Methods: We analyzed recipients of simultaneous pancreas and kidney (SPK) and pancreas after kidney (PAK) transplants between January 1994 and July 2013. Patients with functional kidney but failed pancreas allografts after 90 days were included. Results: Out of 1022 SPK or PAK recipients, 246 satisfied these criteria. Of these, 50 underwent allograft pancreatectomy (Px) and 196 did not (no-Px). Eleven of these pancreatectomies were performed at the time of repeat transplant and were analyzed separately. None of the basic recipient or donor characteristics differed significantly between the Px (n=39) and no-Px groups, except for a higher proportion of females in the Px group. The most common presentation in the Px group was abdominal pain. Histopathology of the pancreas varied widely with graft thrombosis as the most common finding. In univariate and multivariate Cox regression analysis, only female recipient was associated with higher risk for allograft pancreatectomy. Px was not associated with kidney allograft survival (p=0.16). Conclusion: Despite the ongoing presence of full immunosuppression for a functioning kidney allograft, the need for Px for symptoms and radiological findings is not rare (39/246, 15.8%). Copyright (C) 2016 Wolters Kluwer Health, Inc. All rights reserved.

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