输尿管镜气压弹道碎石治疗输尿管结石50例疗效分析

Transurethral Ureteroscopy Ballst Lithotrity in the Treatment of Ureteral Calculi

采用经尿道输尿管镜气压弹道碎石治疗输尿管结石５０例，并根据影像学及术中内窥镜观察结石周围组织病变情况，将结石进行临床分类并判断疗效。结果：上段结石碎石治愈率８３％，中下段结石治愈率９６％，总治愈率达９０％。结论：该术式对中下段结石、结石较大、嵌顿时间长、肉芽组织或息肉包裹。

Fifty cases of ureteral calculi were treated by transurethral ureteroscopy ballast lithotrity.The stones were classified according to the image and the changes of tissue around the stones which were observed through endoscope during operation.The success rate of upper stone was 83%,of middle and distal stones were 96%.The total cure rate was 90%.It thinks that the method is the firstchoice to the patients whose stones are lying in middle and distal ureter,or bigger and incarcerated at the same spot for a long period,encapsulation of the calculi by granulation tissue or inflammatery ureteral polyp and with poor renal function or for the contraindication for ESWL.