Long-term upper and lower urinary tract functions in children with posterior urethral valves.

Objective: Several factors have been identified as predictive of future renal function in children with posterior urethral valves (PUV). Our aim was to analyse upper and lower urinary tract outcome in patients with PUV, and determine any factors from the period of early management that were predictive of future renal function.

Methods: The charts of 67 boys (mean age 2.