Abstract
The effects of pretransplantation dialysis modality on graft function are key issues in end-stage renal disease patients. The aim of this study was to evaluate post-transplantation outcomes according to pretransplantation renal replacement therapy modality in deceased-donor kidney transplantation. Among 444 deceased-donor kidney transplant recipients in Severance Hospital between April 1993 and Dec 2014, 275 who maintained a unique dialysis modality (hemodialysis [HD; n= 178] or peritoneal dialysis [PD; n= 97]) until transplantation were enrolled. There were no significant differences in sex, age, human leukocyte antigen mismatch, cold ischemic time, or duration of dialysis between groups. There was also no difference in 5-year graft survival between HD and PD groups (87.7% vs. 82.3%, respectively; P= .148). On multivariate Cox regression for risk factors affecting graft survival, renal replacement therapy modality was not found to be a risk factor. However, the rate of delayed graft function was higher in the HD group than in the PD group (32.0% vs. 19.6%, respectively; P= .028). In addition, graft function at 1 week after transplantation in the PD group was superior to that in the HD group. The pretransplantation dialysis modality was found to affect both delayed graft function and early graft function, although not graft survival.
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