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Nefrología (Madrid)

On-line version ISSN 1989-2284Print version ISSN 0211-6995


MORALES, Enrique et al. Preemptive kidney transplantation in elderly recipients with kidneys discarded of very old donors: a good alternative. Nefrología (Madr.) [online]. 2015, vol.35, n.3, pp.246-255. ISSN 1989-2284.

Background: The shortage of organs is a major hurdle in kidney transplantation, and one solution to the problem is to extend the age of the donor. However, organs from older donors are often discarded due to the macroscopic appearance of the parenchyma or major vessels. On the other hand, a large number of elderly patients are potential candidates for kidney transplantation, while many kidneys from elderly deceased donors are discarded due to a lack of age-matched recipients. In addition, a large number are often discarded due to the lack of compatible recipients among elderly patients undergoing chronic dialysis. A possible solution to avoid this wastage of kidneys potentially suitable for transplantation could be the performance of preemptive kidney transplantation (PKT) in carefully selected elderly patients. PKT improves graft and patient survival compared to other renal replacement therapy options. There is no information about PKT in elderly patients receiving kidneys from elderly deceased donors. Methods: From 2007 to 2012, we performed a prospective observational study comparing 26 elderly patients receiving PKT with a control group of 26 elderly patients receiving a first transplant after prior dialysis. Results: Mean age of recipients was 74.3 ± 2.9 years and mean age of donors was 73.8 ± 4.1 years. Induction immunosuppression was similar in both groups. Death-censored graft survival was 96% in the PKT group and 68% in the control group (p = 0.02), at 5 years after transplantation. Immediate and delayed graft function occurred in 92% and 3.8%, respectively, of patients in the PKT group and 53% and 34.6% of patients in the control group (p = 0.005). Acute rejection was significantly more frequent in PKT patients (23.1% vs 3.8%, p = 0.043). At the end of follow-up time 35.5 ± 20.1 months, the glomerular filtration rate was similar in both groups (42.2 ± 11.7 vs 41.7 ± 11.2 ml/min, p-value = 0.72). Patient survival was similar in the two groups. Conclusions: Elderly patients with end stage of renal disease non-dialysis may benefit from PKT elderly deceased donors whose kidneys were to be discarded for there are not patients in the waiting list.

Keywords : Pre-emptive kidney transplantation; Elderly recipient; Elderly donor; Discarded organs; Graft survival; Patient survival.

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