Abstract：Objective To explore the clinical effect of ultrasound guided minimally invasive percutaneous nephrolithotomy in the treatment of complex renal calculi.Methods 76 patients with complicated renal calculi diagnosed from May 2015 to April 2016 were divided into two groups according to the randomly drawing method.The treatment group (n=38)was underwent ultrasound guided minimally invasive percutaneous nephrolithotomy,the control group (n=38)was treated with open lithotripsy,the incidence of complications,residual rate of stones,operation time and length of stay were compared between the two groups.Results The incidence of complications of treatment group was 7.89%,which was lower than that of control group of 28.95%(P＜0.05).The operation time and hospitalization time of treatment group were shorter than those of control group (P＜0.01).The residual rate of stones in the treatment group was 2.63%,which was lower than that of control group of 26.32%(P＜0.01).Conclusion Ultrasound guided minimally invasive percutaneous nephrolithotomy and lithotripsy for the treatment of complex renal calculus affirmed the clinical efficacy can reduce the incidence of complications and residual stones,shorten the operation time and accelerate the recovery process.
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