Kidney transplant outcomes from older deceased donors: a paired kidney analysis by the European Renal Association–European Dialysis and Transplant Association Registry

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As the median age of deceased kidney donors rises, updated knowledge of transplant outcomes from older deceased donors in differing donor–recipient age groups is required. Using ERA-EDTA Registry data we determined survival outcomes of kidney allografts donated from the same older deceased donor (55–70 years), and transplanted into one recipient younger and one recipient of similar age to the donor. The recipient pairs were divided into two groups: group 1; younger (median age: 52 years) and older (60 years) and group 2; younger (41 years) and older (60 years). A total of 1410 adults were transplanted during 2000–2007. Compared to the older recipients, the mean number of functioning graft years at 10 years was 6 months longer in the group 1 and group 2 younger recipients (P < 0.001). Ten-year graft survival was 54% and 40% for the group 1 younger and older recipients, and 60% and 49% for the group 2 younger and older recipients. Paired Cox regression analyses showed a lower risk of graft failure (group 1 younger; adjusted relative risk [RRa]:0.57, 95% CI:0.41–0.79, and group 2 younger; RRa:0.63, 95% CI:0.47–0.85) in younger recipients. Outcomes from older deceased donor allografts transplanted into differing donor–recipient age groups are better than previously reported. These allografts remain a valuable transplant resource, particularly for similar-aged recipients.

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