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目的探讨经皮肾镜取石术(PCNL)中建立皮肾通道(PCN)的改良方法。方法以自行改进的经皮肾脏穿刺及引导扩张一体化PCN技术行经皮肾镜下治疗肾结石与用传统的PCN技术治疗肾结石进行比较。结果改良PCN组PCN成功率为100%(53/53例),传统PCN组PCN成功率为87.5%(112/128例);两组在PCN成功率和损伤出血之间的差异有统计学意义(P均<0.05)。结论改良PCN法提高了经皮肾穿刺的准确性,减少了严重出血的并发症,提高了PCN的成功率和和安全性。
Objective To explore an improved method of establishing renal tubular (PCN) in percutaneous nephrolithotomy (PCNL). Methods Percutaneous nephrolithotomy and percutaneous nephrolithotomy were compared with percutaneous nephrolithotomy and guided percutaneous nephrolithotomy combined with conventional PCN technique in the treatment of nephrolithiasis. Results The success rate of PCN in PCN group was 100% (53/53 cases). The success rate of PCN in PCN group was 87.5% (112/128 cases). There was a significant difference between PCN success rate and injury and bleeding (P <0.05). Conclusion The improved PCN method improves the accuracy of percutaneous renal puncture, reduces the complications of severe bleeding and improves the success rate and safety of PCN.