Abstract
Posterior urethral valves is an uncommon condition, but it poses many diagnostic and therapeutic problems. Long term follow up of these patients revealed that the majority of these boys have long term problems. In depth assessment of 10 boys with this problem revealed that their upper urinary tracts remained stable whereas urodynamic studies showed gross micturition abnormalities. Most methods of assessing the urinary tracts in these boys are invasive (eg. Intravenous urography, micturating cystography) and may indeed show no change in upper tract radiology despite marked abnormalities of micturition detected by urodynamics and which may require further investigation and treatment. We therefore recommend regular urodynamic assessment of these boys as it is accurate and initially non-invasive. Those boys with a detectable abnormality can progress to further studies.
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