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[Chronic renal disease in boys with posterior urethral valve]

Michał Maternik1, Aleksandra Zurowska, Piotr Czarniak

  • 1Klinika Nefrologii Dzieciecej, Akademii Medycznej w Gdańsku. mmaternik@amg.gda.pl

Przeglad Lekarski
|August 11, 2006
PubMed

Insights

Posterior urethral valve (PUV) causes bladder outlet obstruction. Most boys with PUV develop chronic renal disease (CRD), often within the first year of life, necessitating early nephrologic monitoring.

Area of Science:

  • Pediatric Urology
  • Nephrology
  • Medical Genetics

Background:

  • Posterior urethral valve (PUV) is the primary congenital cause of bladder outlet obstruction.
  • Early valve ablation does not always prevent renal function decline in children and adolescents.

Purpose of the Study:

  • To determine the incidence and progression of chronic renal disease (CRD) in male infants diagnosed with PUV.
  • To assess the long-term renal outcomes for boys with PUV.

Main Methods:

  • Retrospective analysis of 58 boys with PUV.
  • Assessment of CRD using renal ultrasound and estimated glomerular filtration rate (eGFR) via the Schwartz method.
  • Classification of CRD into 5 stages based on NKF K/DOQI guidelines.

Main Results:

  • CRD was present in 82% (48/58) of boys with PUV.
  • Among patients monitored from birth, 89% exhibited CRD within the first year of life.

Conclusions:

  • A significant majority of boys with PUV (83%) present with CRD.
  • CRD in PUV patients is often apparent from infancy.
  • Lifelong, regular nephrologic surveillance is crucial for boys diagnosed with PUV from birth.
Abstract

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