Transplant international : official journal of the European Society for Organ Transplantation
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Randomized Controlled Trial Multicenter Study
Machine perfusion versus cold storage for preservation of kidneys from expanded criteria donors after brain death.
The purpose of this study was to analyze the possible effects of machine perfusion (MP) versus cold storage (CS) on delayed graft function (DGF) and early graft survival in expanded criteria donor kidneys (ECD). As part of the previously reported international randomized controlled trial 91 consecutive heart-beating deceased ECDs--defined according to the United Network of Organ Sharing definition--were included in the study. From each donor one kidney was randomized to MP and the contralateral kidney to CS. ⋯ The incidence of nonfunction in the CS group (12%) was four times higher than in the MP group (3%) (P=0.04). One-year graft survival was significantly higher in machine perfused kidneys compared with cold stored kidneys (92.3% vs. 80.2%, P=0.02). In the present study, MP preservation clearly reduced the risk of DGF and improved 1-year graft survival and function in ECD kidneys. (Current Controlled Trials number: ISRCTN83876362).