RESUMEN
PURPOSE: Posterior urethral valves (PUV) are the most common cause of bladder outlet obstruction in infancy that impairs renal and bladder function. MATERIAL AND METHODS: We realize a retrospective study and examined 35 boys with urinary disorders post-treatment of PUV, seen at the urodynamic consultation. RESULTS: The mean age: 7.56 years, urinary problems are dominated by recurrent urinary tract infections and urinary leakage, morphological assessment is marked by the constant expansion of the urinary tract and bladder, 18 children have end-stage renal disease of which 8 are candidates for transplantation. About urodynamic, the uroflowmetry with measure of post-void urine residue: dysuria with significant residual urine in 14 children; for cystometry, 20 children with bladder hyperactivity, 9 bladders are hypotonic hypoactive with high capacity, 6 explorations are normal. CONCLUSION: Urodynamic explorations are all interest when voiding symptoms persist after endoscopic section valves and despite a good radiological result.