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[Non-coordinated voiding syndrome: classification and urodynamic characterization]

M Rapariz González1, J Salinas Casado, S Isorna Martínez de la Riva

  • 1Servicio de Urología, Hospital Nuestra Señora del Pino, Universidad de Las Palmas de Gran Canaria, Madrid, España.

Archivos Espanoles De Urologia
|January 1, 1996
PubMed
Summary
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Uncoordinated voiding is characterized by absent sphincter relaxation and increased perineal electromyography (EMG) activity during uroflowmetry. Detrusor pressure/voiding flow testing is crucial for classifying subtypes.

Area of Science:

  • Urology
  • Neuro-urology
  • Pediatric Urology

Context:

  • Uncoordinated voiding, a condition affecting bladder and sphincter function, requires precise urodynamic assessment.
  • Understanding the nuances of detrusor and sphincter activity is key to diagnosing voiding dysfunction.

Purpose:

  • To define the urodynamic profile of uncoordinated voiding.
  • To classify subtypes of uncoordinated voiding based on micturition mechanisms.

Summary:

  • Fifty patients underwent comprehensive urodynamic studies, including uroflowmetry, cystometry, and electromyography (EMG).
  • Key findings included absent sphincter relaxation and elevated perineal EMG activity during uroflowmetry.
  • Three subtypes were identified: Type A (involuntary detrusor contraction), Type B (voluntary detrusor contraction), and Type C (abdominal straining).

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Impact:

  • Establishes critical urodynamic markers for diagnosing uncoordinated voiding.
  • Provides a framework for classifying uncoordinated voiding subtypes, aiding in targeted treatment.
  • Highlights the importance of detrusor pressure/voiding flow testing in clinical practice.