Deceased donor kidney transplanted in childhood functioning well after 52years.

Abstract

Kidney transplantation in children in 1970 was considered by many to be unethical, as long-term survival was minimal. It was therefore risky at the time to offer transplantation to a child. A 6-year-old boy with kidney failure due to haemolytic uraemic syndrome received 4months of intermittent peritoneal dialysis followed by 6months of haemodialysis until at6years and 10months, he underwent bilateral nephrectomy and received a kidney transplant from a deceased 18-year-old donor. Despite moderate long-term immunosuppression of prednisone (20mg/48h) and azathioprine (62.5mg/day), at the last visit in September 2022, he was well, normotrophic, with a serum creatinine of157µmol/l (eGFR 41ml/min/1.73 m2) and no haematuria, proteinuria or hypertension. Except for benign skin lesions due to azathioprine, and undergoing an aortic valve replacement and an aortic aneurysm repair in adulthood, the now 58-year-old man has had no major complications. We speculate that stable and unmodified immunosuppressive therapy, started before the era of calcineurin inhibitors, the lack of significant rejection episodes, the absence of donor-specific antibodies, and the young donor age have contributed to maintaining exceptional long-term kidney transplant survival. Luck, a robust health system and an adherent patient are also important. To the best of our knowledge, thisis the longest functioning kidney transplant from a deceased donor performed in a child worldwide. Despite its risky nature at the time, this transplant paved the way for others.