Impact of acute kidney injury in ≥65-year-old kidney donors on short- and long-term allograft outcomes

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Source: Frontiers Medicine

Original: https://www.frontiersin.org/articles/10.3389/fmed.2025.1683082...

Published: 2026-01-21T00:00:00Z

A retrospective cohort study analyzed the outcomes of kidney transplantation from donors aged ≥65 years with acute kidney injury (AKI according to KDIGO) and without AKI in 685 recipients in three German centers in 2020-2026. Of the 183 recipients of kidneys from donors with AKI, 81.6% (n=151) were in stage 1 AKI. Delayed graft function occurred equally frequently in both groups (32.8% in AKI vs. 32.8% in non-AKI, p=1.0). Death-censored graft survival at 7 years was 59.0% in AKI and 61.3% in non-AKI (p=0.87). Median eGFR at 12 months was 33.8 mL/min/1.73 m² (IQR 27.3-44.2) in AKI and 35.5 mL/min/1.73 m² (IQR 26.3-44.8) in non-AKI (p=0.79). Results remained comparable after adjustment in multivariable Cox regression. The study supports the use of kidneys from elderly donors with mostly mild AKI to expand the donor pool.