[Results of renal transplantation in children with obstructive uropathy due to malformations].

180 renal transplants have been performed at our center in children less than 15 years old. Even if the distribution is equivalent (50/50%) between kidneys from living and cadaver donors, graft actuarial survival rate is 20% better at 5 years in the first group. 42 grafts have been implanted for end-stage renal failure due to chronic pyelonephritis (CNP). Among them, 17 were due to obstructive L.U.T. uropathies (posterior urethral valves): even if the results are identical in that subgroup compared to CPN group, there is an increased morbidity risk as 2 ureterovesical stenosis and 1 secondary vesico-ureteral reflux were observed (3/17 versus 4/163 in the remnant population).