Importance of minimizing HLA-DR mismatch and cold preservation time in cadaveric renal transplantation

Transplantation
J K ConnollyR W Johnson

Abstract

Univariate and multivariate analyses have been performed on donor an d recipient variables to determine possible effects on the outcome of 516 primary cadaveric renal transplants performed in our single center from 1989 until 1993. The overall actuarial patient survival at 1 year and 5 years was 94.4% and 87.4%, respectively; the 1 year and 5 year graft survival rates were 88.3% and 77.8%, respectively. A total of 95 grafts were lost; death with function (35%) and chronic rejection (22%) were the major causes. Three variables (HLA-DR mismatch, delayed graft function, and prolonged cold ischemia time) had a significant detrimental effect on both short- and long-term graft survival. Zero HLA-DR mismatched grafts showed significantly enhanced survival over those with 1 HLA-DR mismatch both at 1 year (92.8% vs. 84.5%) and at 5 years (88.3% vs. 73.9%) only if cold ischemia time was less than 26 hours (P=0.0009). Occurrence of delayed graft function significantly lowered graft survival at both 1 year and 5 years (P=0.002), and the incidence was significantly associated with prolonged cold ischemia time (P<0.0001). HLA-A or HLA-B matching, percentage panel reactive antibodies (PRA), and anastomosis time showed no independent effect on...Continue Reading

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Citations

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