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目的 提高体外震波碎石 (ESWL)治疗尿路结石的成功率 ,减少并发症。方法 回顾分析 2 5例ESWL治疗上尿路结石无效后改行开放手术病人的临床资料 ,总结ESWL治疗泌尿系结石失败的可能原因 ,再次讨论ESWL治疗泌尿系结石的指征。结果 2 5例因复治 2～ 4次无效而改行开放手术病人 ,结石大小平均 1 2cm× 0 9cm。术后发现炎性狭窄、息肉、结石滞留部位以下的梗阻、定位不准确、诊断失误及结石过大均可成为ESWL治疗失败的原因。结论 ESWL治疗泌尿系结石安全有效 ,但应严格掌握指征。
Objective To improve the success rate of extracorporeal shock wave lithotripsy (ESWL) in treating urolithiasis and reduce the complications. Methods A retrospective analysis of 25 cases of ESWL treatment of upper urinary tract stones after the conversion of open surgery in patients with clinical data to summarize the possible causes of failure of ESWL treatment of urinary stones, to discuss the treatment of urinary stones ESWL indications. Results 25 cases were retreated 2 ~ 4 times ineffective diverting open surgery patients, the average stone size 12cm X 0 9cm. Postoperative inflammatory stenosis, polyps, stones below the retention site obstruction, inaccurate positioning, diagnosis errors and excessive stones can be the cause of ESWL failure. Conclusion ESWL is safe and effective in the treatment of urinary calculi, but indications should be strictly controlled.