[Do posterior urethral valves alter the results of renal transplantation in children?].

The authors conducted a retrospective study based on a series of 715 renal transplantations in children performed between January 1973 and December 1989 at the Hôpital Necker-Enfants Malades in order to determine whether the long-term result of renal transplantation was as good in children with posterior urethral valves (PUV) as in children with a normal lower urinary tract. Group 1 consisted of 50 renal transplantations performed in 41 children in whom the primary urological disease was PUV. The bladder was able to be used without modification in 36 cases and had to be enlarged in 5 cases. A permanent cutaneous urinary diversion was not required in any of these transplanted patients. Group 2 consisted of 665 renal transplantations performed in children without PUV. There was no significant difference between the two groups in terms of the distribution of cadaver kidney and living related donor transplantations. Immunosuppressive treatment consisted of various combinations of prednisone, azathioprine, ALS for the earlier patients in the series, OKT 3 and cyclosporin for the more recent patients. In group 1, we observed a urological complication rate of 20% and a vascular complication rate of 14%, while, in group 2, the urological complication rate was 16.9% and the vascular complication rate was 9.5%. The actuarial 5-year and 10-year graft survival rates were 63% and 49% in group 1 and 63% and 49% in group 2, respectively. The actuarial graft survival rates were therefore identical in the two groups.(ABSTRACT TRUNCATED AT 250 WORDS)