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Related Experiment Videos

A normal flow pattern in women does not exclude voiding pathology.

Elisabeth Pauwels1, Stefan De Wachter, Jean-Jacques Wyndaele

  • 1Department of Urology, University Hospital Antwerp, Faculty of Medicine, University of Antwerp, 10 Wilrijkstraat, 2650, Edegem, Belgium.

International Urogynecology Journal and Pelvic Floor Dysfunction
|September 15, 2004
PubMed
Summary

A normal micturition flow pattern does not rule out voiding dysfunction in women. This study found that even women experiencing voiding difficulties often exhibit a "normal" bell-shaped flow curve during urination.

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Area of Science:

  • Urology
  • Female Lower Urinary Tract Symptoms
  • Urodynamics

Background:

  • A normal micturition flow pattern is widely assumed to reflect normal voiding behavior.
  • This assumption suggests that a normal flow curve can exclude voiding difficulties.

Purpose of the Study:

  • To investigate the diagnostic value of a normal flow pattern in women with and without voiding dysfunction.
  • To determine if a bell-shaped flow curve can exclude voiding difficulties in different female populations.

Main Methods:

  • Evaluated micturition flow patterns using pressure flow studies in four groups: stress incontinent women, women with bladder overactivity, healthy middle-aged volunteers, and healthy students.
  • Assessed the occurrence of a bell-shaped flow curve in relation to voiding behavior, including straining.

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Main Results:

  • A significant percentage of women in all groups, including those with voiding dysfunction, presented with a bell-shaped flow curve (50-65%).
  • Even women who strained to void, indicative of dysfunction, frequently exhibited a bell-shaped flow curve (46-100%).

Conclusions:

  • A normal, bell-shaped micturition flow curve does not reliably exclude voiding dysfunction in women.
  • Relying solely on flow patterns may lead to underdiagnosis of lower urinary tract symptoms in females.