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目的 应用超声尿动力学研究女性压力性尿失禁的尿道关闭功能和尿道膀胱连接部移动度。方法 对 40例压力性尿失禁患者和 2 2例正常人作超声尿动力学检查。标化测定连接部移动度 (UVJ M )、尿道最大关闭压 (MCP)、尿道功能性长度 (FL)和腹压漏尿点压 (ALPP)。除外不稳定膀胱和尿道。结果 尿失禁组参量UVJ M大于正常组 (P <0 .0 1) ;参量ALPP、MCP、FL低于正常组 (P <0 .0 1)。尿失禁组分为ALPP≤ 5 5cmH2 O组 (n =18)和ALPP >5 5cmH2 O组 (n =2 2 )。前组UVJ M、MCP、FL显著低于后组 (P <0 .0 1) ,尿失禁Ⅱ～Ⅲ度比例数高于后组 (78%对 5 0 % ,P <0 .0 5 ) ,合并子宫脱垂或阴道膨出比例数低于后组 (5 4%对 91% ,P <0 .0 1)。结论 压力性尿失禁组同时存在尿道关闭功能和连接部移动度异常。ALP≤ 5 5cmH2 O组以尿道关闭功能损害为主 ,ALPP >5 5cmH2 O组以连接部过度活动为主
Objective To study the urethral closing function and urinary bladder transition of female stress urinary incontinence using ultrasound urodynamics. Methods 40 cases of stress urinary incontinence and 22 cases of normal people for ultrasound urodynamic examination. Standardization measures junction mobility (UVJ M), maximum urethral pressure (MCP), length of urinary tract (FL) and abdominal pressure (ALPP). Except for unstable bladder and urethra. Results The urinary incontinence group had higher UVJ M than the normal group (P <0.01). The parameters ALPP, MCP and FL were lower than the normal group (P <0.01). Urinary incontinence components were ALPP ≤ 5 5 cmH 2 O (n = 18) and ALPP> 5 5 cmH 2 O (n = 2 2). The UVJ M, MCP and FL of the former group were significantly lower than those of the latter group (P <0.01), and the ratio of Ⅱ ~ Ⅲ degree of urinary incontinence was higher than that of the latter group (78% vs 50%, P <0.05) The proportion of patients with uterine prolapse or vaginal prolapse was lower than the posterior group (54% vs 91%, P <0.01). Conclusions The stress urinary incontinence group has the urethral closure function and abnormal mobility of the joint. ALP≤5 5cmH2O group mainly with urethral function impairment, ALPP> 5 5cmH2O group with connection activity mainly