Aim: To analyze uroflow findings in older boys with tubularized incised-plate urethroplasty (TIPU). Materials and Methods: 79 toilet-trained patients who had TIPU were evaluated by studying their voiding history, a physical examination, suprapubic ultrasound and uroflowmetry, both pre- and postoperatively. The obstructive urinary flow pattern (OUFP) was accepted as low maximum urinary flow rate with plateau, staccato or intermittent shape. Results: The mean age was 7 years (range 5–11). The mean follow-up was 30 months (range 6–36). Of the 79 patients, 70 recovered. A permanent OUFP was found in 10 of 63 patients, as follows: 7 were detected in the 6th month after operation, and 1 each in the 9th, 18th and 36th months.Ten patients had no voiding abnormality and significant residual urine. The mean interval from initial surgery to presentation with an OUFP was 10.5 months. Conclusions: An occult urethral obstruction develops in some asymptomatic children with TIPU and commonly occurrs in the first year after operation.

Keywords:
Hypospadias, Urethral stricture, Urodynamics
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© 2009 S. Karger AG, Basel
2009
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