[Application of transperineal pelvic floor ultrasonography in the diagnosis of female stress urinary incontinence].

Objective: To explore the application of transperineal pelvic floor ultrasonography in the diagnosis of female stress urinary incontinence(SUI). Methods: From March 2017 to December 2017, 60 patients diagnosed with SUI by department of gynecology, Xiangya Hospital of Central South University were selected as the case group, and 30 cases of normal women in the same period were selected as the control group. All subjects in both groups were examined by transperineal pelvic floor ultrasonography, that is, to be measured the bladder neck descent(BND), the urethral inclination angle(UIA), the posterior urethrovesical angle(PUVA) and the levator hiatus area(LHA) in resting state and during Valsalva maneuver. Results: (1)The differences in the measured values of the two groups were statistically significant( P <0.05). (2)The receiver operating characteristic curve(ROC) was used to find the cut-off values of SUI: when BND>31.5 mm; in Valsalva state, UIA>33.5°, PUVA>150.5° and LHA>20.6 cm2, with their sensitivity of 77.6%, 71.4%, 68.3% and 61.4%, respectively; the specificity of 68.9%, 74.6%, 73.9% and 78.0%, respectively. The area under the curve(AUC) were 0.753, 0.812, 0.721 and 0.712, respectively, when combined analysis of these indexes, reaching to 0.912. Conclusions: (1) Transperineal pelvic floor ultrasonography has a certain diagnostic value for SUI. (2)Combined analysis of various ultrasonic parameters can significantly improve the diagnostic efficiency of SUI.