Correlation of the type and degree of cystocele with stress urinary incontinence by transperineal ultrasound
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To assess the correlation between the type and degree of cystocele and stress urinary incontinence (SUI) by transperineal ultrasound.
A retrospective study evaluated 207 women who were diagnosed with cystocele by transperineal ultrasound. One hundred and six women who were diagnosed with SUI by a full urodynamic study were enrolled in the SUI group, 101 women without SUI were enrolled in the prolapse group, and 100 normal women with neither SUI nor POP were enrolled as the control group. In the transperineal ultrasound study, the bladder neck, the lowest point of the bladder wall, bladder neck funneling, the retrovesical angle, and the urethra inclination angle were observed at rest and Valsalva.
It was found that 87.7% of patients in the SUI group were diagnosed with cystourethrocele, which was significantly higher than the 47.5% in the prolapse group. In addition, 93.4% of patients in the SUI group were diagnosed with Grade I or II cystocele and 6.6% were Grade III, which was significantly higher than that in the prolapse group. Bladder neck funneling on ultrasonography had a sensitivity of 59.4% and a specificity of 64.1% for the detection of SUI. It was significantly higher in cystourethrocele than isolated cystocele (P < 0.05).
The type and degree of cystocele can be diagnosed by transperineal ultrasound. Cystourethrocele and bladder neck funneling are highly correlated with SUI. Bladder neck funneling may be an important symptom of SUI.
KeywordsStress urinary incontinence Cystocele type Transperineal ultrasound Bladder neck funneling
This work is supported by the Lanzhou Science and Technology Plan Program (Grant No. 2016-2-71). The results of this work are based on the data collected in the Department of Medical Ultrasonics, Lanzhou University Second Hospital. The authors would like to acknowledge anonymous reviewers for critical comments and suggestions that improved the original manuscript.
Lanzhou Science and Technology Plan Program (2016-2-71).
Compliance with ethical standards
Conflict of interest
Lan Bu, Dan Yang, Fang Nie, Qi Li, and Yan-fang Wang declare that they have no conflicts of interest.
All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. Informed consent was obtained from all patients for being included in the study.
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