Original article
Vol. 153 No. 8 (2023)
Outcome of kidney transplantation from senior deceased donors: a single centre study
- Kris Magerl
- Matthias Diebold
- Caroline Wehmeier
- Patrizia Amico
- Michael Dickenmann
- Jürg Steiger
- Stefan Schaub
- Patricia Hirt-Minkowski
Summary
BACKGROUND: Addressing the current demographic development, the efficacy and safety of kidney transplantations from very senior donors needs to be carefully evaluated. The aim of this study was to analyse patient and graft outcomes of kidney allograft recipients stratified by donor age.
METHODS: We retrospectively investigated n = 491 patients from a prospective, observational renal transplant cohort. Patients with kidneys from very old donors (n = 75, aged >70 years), elderly donors (n = 158, between 60–70 years), and regular donors (n = 258, aged <60 years) were investigated. The primary outcome was death-censored graft survival within the predefined donor age groups.
RESULTS: Overall, n = 57 death-censored graft losses occurred. Graft loss was proportionally highest in the very old donor group (n = 11/75), but this did not reach statistical significance when compared to the elderly (14/158) and regular donor groups (32/258); (p = 0.37). Kaplan-Meier analysis demonstrated that 3-year/5-year death-censored graft survival in the very old donor group was 96%/86% and did not differ from the other age groups (p = 0.44). Median estimated glomerular filtration rate (eGFR), calculated by the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) formula (in ml/min/1.73 m2 of body surface) 12 months post-transplant did not differ between the elderly donor and very old donor groups (p = 0.53). However, patients who received regular donor kidneys had higher median eGFR compared to recipients in both the elderly and very old donor groups (p <0.0001). During follow-up, 31% of patients developed at least one acute rejection episode. Time-to-event analysis demonstrated no difference in occurrence of any acute rejection event across all three groups (p = 0.11).
CONCLUSIONS: This study demonstrates that kidney transplantation from carefully selected very old donors seems a valid option with reasonable short- and mid-term outcomes.
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