Recurrence was determined using cystoscopy or retrograde urethrography and long-term voiding functions were determined using residual urine and uroflowmetry.

• 术后复发（再狭窄）与否由膀胱镜或逆行性尿道摄影得知，长期的排尿功能能电病人解尿后的馀尿量以及尿流速做评估。