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通过对105例耻骨上前列腺摘除术后患者的临床观察及处理，发现有66％（69例）患者术后出现不同程度尿意频繁、尿急迫感和膀胱逼尿肌无抑制性收缩现象。认为术后止血气囊牵引压迫致膀胱颈部和三角区压力改变，造瘘管位置太低刺激三角区，膀胱引流不畅．致使膀胱充盈过度是引起膀胱无抑制性收缩的3个主要原因。通过几种方法的防治比较，认为木后硬膜外腔留管定时注射吗啡和布比卡因混合液具有较好的预防作用。
Through the clinical observation and treatment of 105 cases of suprapubic prostatectomy, found that 66% (69 cases) of patients with varying degrees of frequent urination, urinary urgency and no inhibition of bladder detrusor contraction. That postoperative hemostasis balloon traction pressure caused by bladder neck and triangle pressure changes, fistula position is too low to stimulate the triangle, poor drainage of the bladder. Resulting in excessive bladder filling is caused by the bladder without inhibitory contraction of the three main reasons. Through the comparison and prevention of several methods, it is considered that the injection of morphine and bupivacaine into the epidural space of the posterior epidural space has a good preventive effect.