本文总结了功能性肾盂输尿管交界处梗阻 (UPJO)病人 4 6例共 4 8只积水肾的诊疗资料 ,结合复习有关文献 ,指出 度积水肾可暂时观察 , 、 度积水肾以离断性肾盂成形术 (A-H)为佳 , 度积水肾的切除指征应严格掌握。指出了双“丁”内支架导管在 A- H手术中明显优于外支架导管 ,内支架应用组的手术成功率高于外支架组 ,泌尿系感染在内支架组中明显降低 This article summarizes the functional pyelou junction (UPJO) patients 46 cases a total of 48 hydronephrosis diagnosis and treatment data, combined with the review of the literature, pointed out that hydronephrosis can be temporarily observed, degree of hydronephrosis to break Sex pyeloplasty (AH) is better, degree of hydronephrosis indications should be strictly controlled. It was pointed out that the double “D” stent was superior to the stent in A-H surgery, the operation success rate in the stent group was higher than that in the stent group, and the urinary tract infection was significantly reduced in the stent group