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对 10例女性膀胱颈梗阻患者术前进行尿动力学和膀胱镜检查。膀胱镜检查发现膀胱颈抬高 ,膀胱壁小梁增生。根据尿道压力分布 (UPP)曲线 ,以刀形电极分别在 4点和 8点两处全层切开内括约肌 ,长度根据术前UPP测定的结果而定 ,以测定的压力曲线长度的前 1/ 3处 ,一般约深 0 .6cm ,不超过 0 .8cm。结果 :术后均能恢复自行排尿 ,排尿通畅 ,平均最大尿流率为 17.9ml/s。未发生尿失禁、尿瘘、继发出血及二次手术。术后的UPP检查发现 ,内括约肌段压力 (主要为膀胱颈压 )明显降低 ,在UPP曲线上可见前段低平的曲线。认为UPP检查对女性膀胱颈梗阻的诊断及治疗有一定的价值 ,尤其对于术中切开长度及术后疗效的判断有独到的价值
Ten patients with bladder neck obstruction before surgery for urodynamic and cystoscopy. Cystoscopy revealed bladder neck elevation, trabecular hyperplasia of the bladder wall. According to the UPP curve, the internal sphincter was cut at full thickness at 4 and 8 o’clock respectively with a knife-edge electrode. The length was determined according to the results of the preoperative UPP measurement. The measured pressure curve length of the first 1 / 3, generally about 0 .6cm deep, not more than 0 .8cm. Results: All patients were able to recover their own voiding and urination after operation. The mean maximum flow rate was 17.9ml / s. No urinary incontinence, urinary fistula, secondary bleeding and secondary surgery. Postoperative UPP examination found that the internal sphincter pressure (mainly bladder neck pressure) decreased significantly in the UPP curve shows the curve of the anterior flat line. UPP examination of bladder neck obstruction that the diagnosis and treatment of certain value, especially for the length of the intraoperative and postoperative curative effect has a unique value