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Related Experiment Videos

Bladder neck mobility evaluated by vaginal ultrasonography

L Mouritsen1, A Rasmussen

  • 1Department of Obstetrics and Gynaecology, Gentofte Hospital, Hellerup, Denmark.

British Journal of Urology
|February 1, 1993
PubMed
Summary
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Vaginal ultrasound reveals bladder neck mobility is key to diagnosing incontinence. Key measurements like the angle and distance to the bladder neck can identify incontinence and predict surgical outcomes.

Area of Science:

  • Urogynecology
  • Medical imaging
  • Female pelvic medicine

Background:

  • Bladder neck mobility is a critical factor in urinary continence.
  • Assessing bladder neck mobility can aid in diagnosing and managing urinary incontinence.

Purpose of the Study:

  • To investigate factors of bladder neck mobility using vaginal ultrasonography.
  • To establish diagnostic criteria for urinary incontinence based on bladder neck mobility.

Main Methods:

  • Vaginal ultrasonography was used to examine 33 continent, 28 incontinent, and 39 post-surgery patients.
  • Measurements included bladder neck-symphysis (BS) distance and the angle of mobility at rest, during Valsalva, and while withholding urine.

Main Results:

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  • Continent individuals had a fixed bladder neck with a 90-degree angle and 2.4 cm BS distance.
  • Incontinent patients showed a shorter BS (2.1 cm), larger angles (approx. 100 degrees), and mobile bladder necks.
  • Diagnostic criteria (angle ≥95°, BS ≤2.3 cm, mobility ≥20°) achieved 84% sensitivity and 82% specificity.

    • Conclusions:

    • Bladder neck mobility assessment via ultrasound is effective for diagnosing urinary incontinence.
    • Specific mobility parameters can differentiate between continent and incontinent states.
    • These parameters also predict treatment outcomes in surgically managed patients.