How to: Ultrasound in Stress Urinary Incontinence

When Valsalva* is performed with an empty bladder:

  • Significant bladder neck descent, defined as descent of at least 25mm.
  • Open retrovesical angle.
  • Reduced urethral sphincter volume.

Do not forget:

It is mid-urethral mobility, not mobility of the bladder neck, which is most important for continence.

When Valsalva* is performed with a full bladder:

  • Urine leakage in b-mode or even with color doppler when the bladder is filled.
Leakage documented during Valsalva with a full bladder.

*Optimal Valsalva is considered when its duration is at least 6 seconds.


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