目的总结肾盂输尿管连接部梗阻(UPJO)的诊治体会。方法分析54例肾盂输尿管连接部梗阻患者的临床资料。其中肾盂输尿管连接部狭窄27例,肾盂输尿管高位连接13例,迷走血管压迫8例,纤维索压迫6例。采用An-derson-Hynes术,术中置双J管引流。结果术后随访12～64个月,平均36个月,分别行B超、IVP检查,有49例(90.7%)肾积水消失或明显减轻,4例(7.4%)无明显变化,1例(1.9%)积水加重。结论Anderson-Hynes术治疗肾盂输尿管连接部梗阻疗效显著。 Objective To summarize the diagnosis and treatment of ureteropelvic junction obstruction (UPJO). Methods Clinical data of 54 patients with ureteropelvic junction obstruction were analyzed. Including ureteropelvic junction stenosis in 27 cases, high pelvic ureter connection in 13 cases, vagal vascular compression in 8 cases, 6 cases of fibrous compression cable. An-derson-Hynes surgery, double J tube drainage. Results The patients were followed up for 12 to 64 months with an average of 36 months. There were 49 cases (90.7%) of hydronephrosis disappeared or obviously relieved, 4 cases (7.4%) had no obvious change and 1 case (1.9%) increased water. Conclusion Anderson-Hynes surgery for ureteropelvic junction obstruction significant effect.