Abstract：Objective: To study the efficacy of percutaneous nephrolithotomy combined with flexible ureteroscope for complex kidney stones. Methods: 180 cases of complex kidney stones admitted at our hospital from 2012 to 2013 were treated, and randomly divided into observation group and control group (n=90 each). The patients in observation group were subjected to percutaneous nephrolithotomy combined with flexible ureteroscope, and those in control group were given percutaneous nephrolithotomy. Operation time, hospital stay, stone clearance rate, and complications were compared between two groups. Results: The operation time, and hospital stay were significantly shorter in observation group than in control group (P<0.05). The stone clearance rate, and incidence of complication in observation group were significantly lower than in control group (P<0.05). Conclusions: Percutaneous nephrolithotomy combined with flexible ureteroscope for complex kidney stones was safe and effective.
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