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A grading system for evaluation of bladder trabeculation.

Xiao Wang1,2,3,4,5, Hong-Song Chen1,2,3,4,5, Chong Wang1,2,3,4,5

  • 1Department of Urology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, People's Republic of China.

World Journal of Urology
|July 26, 2023
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Summary
This summary is machine-generated.

A new grading system for bladder trabeculation (BT) uses Bladder Dispersion (BD) to assess severity in children. This objective tool helps differentiate low-risk from high-risk cases, aiding clinical decisions.

Keywords:
DiagnosisLower urinary tract symptomsNeurogenic bladderUrethral obstructionUrinary bladder

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Area of Science:

  • Pediatric Urology
  • Medical Imaging Analysis
  • Urodynamics

Background:

  • Bladder trabeculation (BT) is a common finding in pediatric lower urinary tract conditions.
  • Accurate assessment of BT severity is crucial for guiding management and predicting outcomes.
  • Existing methods for evaluating BT lack objective, quantifiable parameters.

Purpose of the Study:

  • To develop and validate a novel, parameter-based grading system for evaluating bladder trabeculation (BT) in pediatric patients.
  • To establish objective criteria for assessing the severity of bladder trabeculation.
  • To correlate the proposed grading system with urodynamic findings and clinical outcomes.

Main Methods:

  • Retrospective analysis of 74 children with posterior urethral valve (PUV) or neurogenic bladder (NB) undergoing VCUG, urodynamic testing, and ultrasonography.
  • Calculation of Bladder Dispersion (BD) from fluoroscopic images to define four grades (0-3) of BT.
  • Classification into low-risk (Grades 0-1) and high-risk (Grades 2-3) groups for comparative analysis.

Main Results:

  • The study included 74 children (62.2% boys), with diagnoses including PUV, NB, and combined conditions.
  • Significant differences in detrusor pressure, post-void residual urine ratio, and bladder compliance were observed across BT grades.
  • High-risk patients exhibited higher rates of severe hydronephrosis and urinary tract infections.

Conclusions:

  • A reliable and objective grading system for bladder trabeculation (BT) has been established using the Bladder Dispersion (BD) parameter.
  • This system provides a quantifiable method for assessing BT severity in children.
  • The proposed grading system can assist clinicians in evaluating BT and identifying patients at higher risk for complications.