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干扰排尿控制机理的方式至今尚不清楚。多数作者认为妊娠和分娩是发生真性应力性尿失禁的病因,即分娩损伤了盆底和尿道括约肌的神经供给。过去对盆底和尿道括约肌神经支配的电肌、组织学和组织化学的研究支持此观点。本文用同轴针电极测量单个运动单位的势能,判断真性应力尿失禁患者的病因学。 研究对象平均年龄51.3岁(30～80岁),平均产次2.6(0～7),经尿动力学证实的真性应力性尿失禁患者33例。对照组平均年龄44.4岁(30～65岁),平均产次3。因患功能性子宫出血等待全子宫切除
The way to interfere with the mechanism of micturition control is still unclear. Most authors believe that pregnancy and childbirth are the cause of true stress urinary incontinence, that is, childbirth damages the neural supply to the pelvic floor and urethral sphincter. Previous studies of the electromyography, histology and histochemistry of the innervation of the pelvic floor and urethral sphincter support this view. In this paper, coaxial needle electrodes measure the potential energy of a single unit of motion to determine the true stress urinary incontinence in patients with etiology. The average age of the subjects was 51.3 years (range, 30-80 years) with an average yield of 2.6 (range, 0-7) and 33 patients with true stress urinary incontinence confirmed by urodynamics. The average age of the control group was 44.4 years (30-65 years) with an average of 3 births. Due to functional uterine bleeding waiting for hysterectomy