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Kidney transplantation is the preferred therapy after kidney failure, but kidneys transplanted from deceased donors often do not last for the rest of a recipient’s life. Because of the scarcity of donor organs and the immunological sensitization of transplant recipients, aciclovir pomada em gestantes it’s unclear whether patients whose transplanted kidneys are no longer functioning should receive second transplants, or whether they should be treated with dialysis. A study published in Clinical Journal of the American Society of Nephrology compares these options.

For the study, a team led by Rainer Oberbauer, MD (Medical University of Vienna, in Austria) analyzed data pertaining to 2,346 adults with a failed first kidney transplant who were waitlisted for a second kidney transplant in Austria during 1980–2019.

At a 10-year follow-up point, patients who received a second kidney transplant had a longer average survival time compared with those who underwent dialysis while remaining on the transplant waitlist. Specifically, patients who underwent retransplantation lived for an average of 5.8 months longer. The difference in survival time with retransplantation was lower in patients who had a longer wait time after their first transplant failed, however. At the 10-year follow-up point, patients who underwent retransplantation lived for an average of 8.0 and 0.1 months of additional life for patients with a waiting time of less than 1 year and 8 years, respectively.

“Our data showed that a second transplantation is advantageous regarding gained life years; however, the difference to non-transplanted patients decreases with time on the waiting list,” said Dr. Oberbauer. “Nevertheless, patients might have a higher quality of life when transplanted and therefore should get a second transplant if a suitable donor organ is available.” Dr. Oberbauer stressed that patients with a failed first kidney transplant should be waitlisted immediately if they are fit to undergo a second transplantation.

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