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目的探讨封堵取石导管在内窥镜下结合钬激光碎石治疗输尿管上段结石中的应用效果。方法回顾性分析在输尿管镜下钬激光碎石术中采用封堵取石导管的56例输尿管结石患者的临床资料。结果 56例中53例通过封堵取石导管,2例因结石下方输尿管扭曲狭窄而无法进镜,1例因结石与输尿管严重粘连,较多息肉而无法通过封堵取石导管。封堵取石导管通过的53例患者中采用钬激光碎石,粉碎成功,结石粉碎至2 mm左右,未发生输尿管穿孔及大出血;术后4周左右复查B超未见结石残留。结论封堵取石导管在输尿管镜下治疗输尿管上段结石碎石过程中可有效防止结石上移,提高了结石清除率,而且创伤小,值得临床推广。
Objective To investigate the effect of occlusion stone catheter in the treatment of upper ureteral calculi with holmium laser lithotripsy under endoscope. Methods The clinical data of 56 ureteral calculi patients undergoing ureteroscopic holmium laser lithotripsy were retrospectively analyzed. Results Of the 56 cases, 53 cases were blocked by stone-guiding catheters, 2 cases were unable to enter the mirror due to distorted stenosis of the ureter below the stones, and 1 case was found to have severe adhesions due to stones and ureters. Closure of stone catheter through the 53 patients with holmium laser lithotripsy, smashing success, crushed stones to about 2 mm, ureteral perforation and bleeding did not occur; about 4 weeks after the review B-no stone residue. Conclusion Closure of stone catheter in ureteroscopic treatment of upper ureteral calculi in the process of stone can effectively prevent the move up, improve the stone removal rate, and less trauma, it is worth clinical promotion.