Neurourology and urodynamics · 2009
Three-dimensional ultrasound of the urethral sphincter predicts continence surgery outcome.
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Digesu G Alessandro, Robinson Dudley, Cardozo Linda, Khullar Vik
Аннотация
AIM: To assess the predictive value of three-dimensional (3D) ultrasound volumes of the urethral sphincter in women undergoing continence surgery.
MATERIALS AND METHODS: Women with urodynamic stress incontinence undergoing to Burch colposuspension were prospectively studied using videocystourethrography (VCU), urethral pressure profilometry (UPP) and a 3D transvaginal ultrasound scan of the urethra. The total urethral sphincter volume, urethral volume, maximum cross sectional area, and rhabdosphincter volume were calculated, preoperatively. Surgical outcome was assessed at 6 months using VCU. Urethral function parameters were correlated to surgical outcomes using the Mann-Whitney U-test.
RESULTS: Ninety-one women were studied. Women who failed continence surgery had significantly smaller preoperative urethral sphincter volumes than those who had an objective cure (P < 0.001). UPP parameters were not found to be predictive of surgical outcome (P = 0.5).
CONCLUSIONS: The assessment of the urethral sphincter using a 3D ultrasound scan predicts the outcome of continence surgery.
MATERIALS AND METHODS: Women with urodynamic stress incontinence undergoing to Burch colposuspension were prospectively studied using videocystourethrography (VCU), urethral pressure profilometry (UPP) and a 3D transvaginal ultrasound scan of the urethra. The total urethral sphincter volume, urethral volume, maximum cross sectional area, and rhabdosphincter volume were calculated, preoperatively. Surgical outcome was assessed at 6 months using VCU. Urethral function parameters were correlated to surgical outcomes using the Mann-Whitney U-test.
RESULTS: Ninety-one women were studied. Women who failed continence surgery had significantly smaller preoperative urethral sphincter volumes than those who had an objective cure (P < 0.001). UPP parameters were not found to be predictive of surgical outcome (P = 0.5).
CONCLUSIONS: The assessment of the urethral sphincter using a 3D ultrasound scan predicts the outcome of continence surgery.