• Kai Ma, Xiao-bo Huang, Liu-lin Xiong, Qing-quan Xu, Tao Xu, Hai-yun Ye, Lu-ping Yu, and Xiao-feng Wang.
• Department of Urology, Peking University People's Hospital, Beijing 100034, China.
• Beijing Da Xue Xue Bao. 2014 Aug 18;46(4):563-5.

ObjectiveTo evaluate the feasibility and efficacy of percutaneous renal puncture in percutaneous nephrolithotomy guided by novel needle-tracking ultrasound system.MethodsFrom may to october 2013, 16 cases of percutaneous nephrolithotomy were performed under the guidance of ultrasound system. The clinical data including the time of completing percutaneous renal puncture, the color of urine sucked out from the kidney calices, and the complications were analyzed retrospectively.ResultsOf the 16 patients, 18 percutaneous renal access were established guided by ultrasound system. All of them were successtul for the first time, and the average time of completing percutaneous renal punctures was (26.90 ± 11.37) s (15 to 54 s). After the operation, the hemoglobin decreased by (9.56 ± 5.27)%(1.41% to 24.06%), and no complications occurred except for postoperative fever in 2 case.ConclusionThe novel ultrasound system is a safe and effective technique that can reduce the technical difficulty of percutaneous renal puncture in percutaneous nephrolithotomy.

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