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Background The effect on allograft survival of the shipment of cadaveric renal allografts from one organ-procurement organization to another is uncertain.
Methods Using data from the Organ Procurement and Transplantation Network of the United Network for Organ Sharing, we identified 5446 pairs of cadaveric kidneys (10,892 allografts) in which one kidney was shipped and the other was transplanted locally. We compared the risk of graft failure using statistical models that accounted for confounding variables, including the degree of HLA mismatching.
Results After adjustment for the degree of HLA mismatching, shipped organs had a significantly higher rate of allograft failure than locally transplanted organs in the first year after transplantation (adjusted hazard ratio, 1.17; 95 percent confidence interval, 1.05 to 1.31; P=0.004), but not thereafter. An association between the shipment of organs with no HLA mismatches and allograft failure was not confirmed.
Conclusions The shipment of cadaveric renal allografts increases the risk of failure of HLA-mismatched grafts during the first year after transplantation.
Source Information
From the Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania (K.C.M.), and the RenalElectrolyte and Hypertension Division, Hospital of the University of Pennsylvania (K.C.M., R.D.B.) both in Philadelphia; and the Department of Research, United Network for Organ Sharing, Richmond, Va. (W.S.C., J.M.).
Address reprint requests to Dr. Mange at 700 Clinical Research Bldg., 415 Curie Blvd., Philadelphia, PA 19104, or at kmange{at}cceb.med.upenn.edu.
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