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Am J Transplant. 2010 May;10(5):1312-5. doi: 10.1111/j.1600-6143.2010.03083.x. Epub 2010 Mar 26.

Retransplantation after BK virus nephropathy in prior kidney transplant: an OPTN database analysis.

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  • 1Department of Pediatrics, University of Florida College of Medicine, Shands Children's Hospital, Gainesville, FL, USA. vikasmd@peds.ufl.edu

Abstract

BK virus (BKV) has emerged as a major complication of kidney transplantation. Since June 30, 2004, the OPTN in the USA collects BKV as a primary or secondary cause of graft loss and also if treatment for BK virus (TBKV) is administered. In this study, we determined characteristics of those recipients of repeat kidney transplants from the OPTN database, where either (a) a graft loss occurred between June 30, 2004 and December 31, 2008 and database recorded prior TBKV in that allograft or (b) a graft loss between June 30, 2004 and December 31, 2008 was attributed primarily or secondarily due to BKV. In the study time period, 823 graft losses have occurred where TBKV or graft failure attributable to BKV was reported in prior transplant; of these, 126 have received a retransplant as of June 5, 2009. Induction and maintenance immunosuppression usage mirrored current trends. As of June 5, 2009, 118/126 grafts are still functioning, one graft failure attributed to BKV. TBKV was reported in 17.5% of the retransplants. In the retransplants performed through December 31, 2007, 1-year acute rejection rate was 7%, 1-year and 3-year Kaplan-Meier graft survival rates and median GFR were 98.5%, 93.6%, 65.5 and 68.4 mL/min, respectively. Retransplantation after BKV appears to be associated with good results.

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