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目的探讨微创经皮肾取石术(MPCNL)治疗肾下盏结石的疗效和安全性。方法我院于2004年4月—2009年5月期间,采用微创经皮肾取石术治疗肾下盏结石42例。结果所有病例均1期穿刺碎石、取石,1期结石清除率95.2%,手术时间平均75 min(50~100 min),术后平均4.6(4~6)d拔除肾造瘘管,平均7.2(6~8)d出院,术后随访3个月,结石排尽率100%。无继发大出血。结论微创经皮肾取石术治疗肾下盏结石,具有创伤小、手术成功率高、结石清除率高等优点,是治疗肾下盏结石的理想方法,值得在有条件的基层医院推广应用。
Objective To investigate the efficacy and safety of minimally invasive percutaneous nephrolithotomy (MPCNL) in the treatment of lower calyx stones. Methods In our hospital from April 2004 to May 2009, minimally invasive percutaneous nephrolithotomy was used to treat 42 cases of lower calyx stones. Results All cases were treated with primary percutaneous lithotripsy and stone removal. The rate of stone removal in stage I was 95.2%, the average operation time was 75 min (50-100 min), and the mean number of nephrostomy was 4.6 (4-6) days after operation, with an average of 7.2 ( 6 ~ 8) d discharged, 3 months after surgery, stone exhaustion rate of 100%. No secondary bleeding. Conclusion Minimally invasive percutaneous nephrolithotomy for the treatment of lower calyceal calculus has the advantages of small trauma, high success rate of operation and high rate of stone removal. It is an ideal method for treating lower calyx calculi and is worth popularizing and applying in the qualified primary hospital.