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目的 :探讨防止体外冲击波碎石 ( ESWL)治疗巨大肾结石后发生石街的方法。方法 :采用 ESWL结合预置 Dormia支架的方法治疗巨大肾结石 15例。结果 :全部患者术后均未发生嵌顿性石街 ,大部分结石粉末可通过拔除支架一同带出或沿支架自行排出。结论 :Dormia支架作为巨大肾结石 ESWL的辅助治疗工具 ,能有效地防止术后石街形成 ,促进碎石排出 ,但应注意掌握其适用范围和留置时限。
OBJECTIVE: To explore a method to prevent the stone street from being treated with extracorporeal shock wave lithotripsy (ESWL) after treating huge kidney stones. Methods: Fifteen cases of giant kidney stones were treated with ESWL combined with Dormia stent. Results: No incarcerated stone street occurred in all patients. Most of the stone powder could be taken out by stent or discharged along the stent itself. Conclusion: The Dormia stent as an adjunctive treatment tool for ESWL with huge renal calculus can effectively prevent the stone street from being formed and promote the excretion of gravel stones. However, it is necessary to pay attention to its application scope and retention time limit.