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  • Title: [Clinical study of 18 pediatric cadaveric renal transplantations: organ sharing in pediatric renal transplantation after enforcement of the organ transplant law in Japan].
    Author: Asano T, Shiraga H, Akioka Y, Hattori M, Ishikawa N, Tanabe K, Toma H, Ito K.
    Journal: Nihon Jinzo Gakkai Shi; 2000 May; 42(4):327-32. PubMed ID: 10897591.
    Abstract:
    Renal transplantation is considered to be the optimal replacement therapy for children with end-stage renal disease. However, the number of pediatric renal transplants in Japan is much lower than in the USA and/or Europe. Since October 1997, pediatric(< 15 years) recipients are given priority over adult recipients for organ sharing, only if one or two HLA-DR antigen(s) are matched between the recipient and pediatric(< 15 years) donor. However, the number of pediatric transplants is not increasing. One hundred and twenty-four pediatric renal transplantations were performed in Tokyo Women's Medical University between 1983 and 1999, of which 18(14.5%) were cadaveric transplants and the others (106, 85.5%) were living-related transplants. We examined 18 pediatric cadaveric renal transplantations. Seven patients received their graft from pediatric donors less than 15 years of age and 11 from adult donors. The mean age at transplantation was 13.2 years (range 4.5-18.7 years). Major etiologies of renal disease are hereditary renal disease(38.8%), chronic glomerulonephritis(33.3%), and focal segmental glomerulosclerosis[FSGS] (16.7%). Zero matches in HLA-DR locus were observed in 72.2%. Patient survival rate was 100%. Graft survival rates at 1 and 5 years after transplantation were 83% and 64% successively. There was no significant difference between the graft survival of cadaveric and living-related transplantation at 1 and 5 years. All 5 patients who received their graft between 1994 and 1998 have maintained normal graft function. Causes of their graft loss were chronic rejection in 3, recurrence of FSGS in 2, primary non-function in 1, and graft thrombosis in 1. Donor age and HLA-DR mismatching did not affect the outcome. We propose that pediatric renal grafts should be provided to children with priority, regardless of their HLA-A, B and HLA-DR matching.
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