Analysis of Indications for Voiding Cystography in Children

Natalia Kopiczko1, Aleksandra Dzik-Sawczuk1, Karolina Szwarc1

  • 1Department of Pediatrics and Nephrology, Medical University of Bialystok, ul. Waszyngtona 17, 15-274 Bialystok, Poland.

Insights

Voiding cystography is crucial for diagnosing vesicoureteral reflux (VUR) in children with febrile urinary tract infections or urinary tract malformations. However, its use should be limited in children with lower urinary tract dysfunction.

Area of Science:

  • Pediatric Urology
  • Diagnostic Imaging

Background:

  • Vesicoureteral reflux (VUR) is a common condition in children.
  • Voiding cystography (VCUG) is a key diagnostic tool for VUR.
  • Understanding the diagnostic yield of VCUG based on clinical indications is important for optimizing its use.

Purpose of the Study:

  • To analyze the prognosis of VUR based on different indications for VCUG.
  • To evaluate the prevalence and degree of VUR in children undergoing VCUG for specific reasons.

Main Methods:

  • Retrospective analysis of 4302 children over a 12-year period.
  • Children were categorized by VCUG indication: febrile UTI, ultrasonography-detected urinary tract malformations, or lower urinary tract dysfunction.
  • Prevalence and degree of VUR were compared across these groups.

Main Results:

  • VUR was diagnosed in 21.32% of children overall.
  • Reflux prevalence was similar in children with febrile UTI (23.63%) and urinary tract malformations (23.34%).
  • Children with lower urinary tract dysfunction showed significantly lower VUR prevalence (14.65%) and degree (p < 0.01).

Conclusions:

  • VCUG is highly valuable for detecting VUR in children with febrile UTIs or urinary tract malformations.
  • The diagnostic utility of VCUG is lower in children with lower urinary tract dysfunction, suggesting limited indications for this group.

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