Does delayed kidney graft function increase the risk of chronic rejection?

Transplant International : Official Journal of the European Society for Organ Transplantation
H M IsoniemiJ P Ahonen

Abstract

The impact of delayed graft function (DGF) on later renal graft loss due to chronic rejection was studied in a single center using uniform protocol for organ procurement and posttransplant patient care. DGF function was observed in 34% of 829 consecutive first cadaveric renal transplants in adults and in 47% of 169 retransplantations (P < 0.05). There were no significant differences in graft survival between groups with early graft function (EGF) and DGF, either in first transplantations or retransplantations. The half-life in EGF and DGF groups of first transplants was 12.3 years and 10.5 years, respectively, and of retransplantants was 8.0 years and 6.5 years, respectively. DGF was divided in three subgroups according to the day of onset. If graft function started during the first or second week after transplantation there were no significant differences in long-term graft survival rates compared with EGF. Only in retransplants, if graft function started later than 2 weeks postoperatively, were long-term graft survival rates significantly lower when compared with EGF and the difference persisted if other causes of graft loss except chronic rejection were censored.

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