目的观察蕈状肾盂输尿管支架管治疗脓肾的效果。方法通过蕈状肾盂输尿管支架管,应用有效抗生素,经过肾盂、输尿管、膀胱进行持续性冲洗、引流脓液,解除梗阻。结果本组28例患肾的功能全部或部分肾功能恢复,切口I期愈合。结论能有效地控制感染,解除梗阻,保留患肾,降低了脓肾的切除率及Ⅱ期手术率。 Objective To observe the effect of mushroom ureteropelvic stent in the treatment of pus. Methods Through the mushroom-shaped ureteropelvic stent, effective antibiotics, through the renal pelvis, ureter, bladder continuous flushing, draining pus, relieve the obstruction. Results The group of 28 patients with renal function recovered all or part of the renal function, I incision healed. Conclusion It can effectively control the infection, relieve the obstruction, retain the kidney, reduce the resection rate of pus and the rate of operation in stage Ⅱ.