Neurourology and urodynamics · 2007
Urodynamic and ultrasound characteristics of incontinence after radical hysterectomy.
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Axelsen Susanne Maigaard, Bek Karl Moeller, Petersen Lone Kjeld
Аннотация
AIMS: To test whether symptoms of urinary incontinence after radical hysterectomy could be objectified with urodynamics and ultrasound.
METHODS: This case-control study comprised 100 women who underwent radical hysterectomy for cervical cancer without post-operative radiotherapy. Fifty women reporting urinary incontinence were matched with 50 women reporting continence. All women were assessed with ultrasound of the bladder neck movements and urodynamics.
RESULTS: No differences were found in ultrasound or urodynamic findings regarding mobility of the bladder neck, maximal detrusor pressure, post-voiding residual urine, flow of urine, or bladder capacity. A significant reduction in urethral pressure at rest and at contraction among the incontinent women was, however, demonstrated. Among urge-incontinent women, urethral pressure at rest was significantly lower than among continent and stress-incontinent women, respectively. Stress-incontinent women had significantly lower urethral pressure at contraction than did urge-incontinent and continent women.
CONCLUSIONS: No differences in urodynamic or ultrasound findings were observed between the two groups, except for an overall difference in the intraurethral pressure. A decrease in the urethral pressure could contribute to the characterization of incontinence after radical hysterectomy, indicating that the urethral sphincter mechanism plays a role in the pathophysiology. In this study design, the mobility of the bladder neck did not play any role.
METHODS: This case-control study comprised 100 women who underwent radical hysterectomy for cervical cancer without post-operative radiotherapy. Fifty women reporting urinary incontinence were matched with 50 women reporting continence. All women were assessed with ultrasound of the bladder neck movements and urodynamics.
RESULTS: No differences were found in ultrasound or urodynamic findings regarding mobility of the bladder neck, maximal detrusor pressure, post-voiding residual urine, flow of urine, or bladder capacity. A significant reduction in urethral pressure at rest and at contraction among the incontinent women was, however, demonstrated. Among urge-incontinent women, urethral pressure at rest was significantly lower than among continent and stress-incontinent women, respectively. Stress-incontinent women had significantly lower urethral pressure at contraction than did urge-incontinent and continent women.
CONCLUSIONS: No differences in urodynamic or ultrasound findings were observed between the two groups, except for an overall difference in the intraurethral pressure. A decrease in the urethral pressure could contribute to the characterization of incontinence after radical hysterectomy, indicating that the urethral sphincter mechanism plays a role in the pathophysiology. In this study design, the mobility of the bladder neck did not play any role.