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  • Title: Long-term results with single pediatric donor kidney transplants in adult recipients.
    Author: Modlin C, Novick AC, Goormastic M, Hodge E, Mastrioanni B, Myles J.
    Journal: J Urol; 1996 Sep; 156(3):890-5. PubMed ID: 8709356.
    Abstract:
    PURPOSE: We investigated whether transplantation of single pediatric donor kidneys into adults leads to an increased incidence of functional allograft impairment and complications, as previously reported. MATERIALS AND METHODS: To evaluate long-term functional outcome using single pediatric donor kidneys 60 adults (study group) who underwent transplantation between March 1973 and December 1988 using single pediatric donor kidneys 6 years old or younger (mean donor age plus or minus standard deviation 41.1 +/- 17.9 months) were compared to 58 matched adults (control group) who underwent transplantation with adult kidneys (mean donor age 29.7 +/- 10.8 years). The groups were identical for era of transplantation, recipient age, sex and followup (82 versus 83 months). RESULTS: There was no difference in patient survival between the study and control groups (p = 0.26). In the study group there were an increased requirement for early dialysis (45 versus 24%, p = 0.02), a higher incidence of proteinuria (greater than 0.8 gm./24 hours, 67 versus 48%, p = 0.04) and a higher incidence of rejection within the first 6 months (80 versus 64%, p = 0.05). There was also an increased incidence of graft failure from acute rejection in the study group. Early differences in serum creatinine levels in the 2 groups dissipated after 3 months. Renal allograft histopathology revealed no significant difference in the incidence of focal segmental glomerulosclerosis in the study versus control groups after transplantation (22.9 versus 13.3%, p = 0.70). However, focal segmental glomerulosclerosis manifested sooner after transplantation in study than control patients (mean 37 versus 82 months). After transplantation proteinuria developed in study patients with focal segmental glomerulosclerosis at a mean of 4.6 months compared to 31.8 months in controls with post-transplant focal segmental glomerulosclerosis. Graft survival in the study group was superior when cyclosporine was given rather than conventional noncyclosporine based immunosuppression. Five-year graft survival rates were 48 versus 44% for cyclosporine treated and 33 versus 44% for conventionally treated study versus control patients. CONCLUSIONS: These data suggest that with cyclosporine immunosuppression transplanting single pediatric kidneys into adults yields the same long-term functional graft outcome as adult donor kidneys.
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