Results: It was found that the bladder detrusor dysfunction in 19, urethral stricture in 14, adenomatous remnant in 7 and bladder lithiasis in 3 cases.

• 结果:膀胱逼尿肌功能紊乱19例,尿道狭窄14例,腺体残留7例,膀胱结石3例。结论:逼尿肌功能紊乱、尿道狭窄是引起术后症状无改善的主要原因。