The double J stents used in the operation of upper urinary tract stone and ureteral stricture had more inflammatory adherence than those used in the ureterocystostomy for the other disease.

• 进一步的分析发现，肾和输尿管结石及输尿管狭窄手术中使用的导管其表面炎性渗出物数量明显多于其它原因行输尿管膀胱再植术中安置的导管。