Abstract：Objective: To summarize the strategies of increasing the stone-free rate of staghorn calculi by percutaneous nephrolithotomy (PCNL). Methods: Eighty-three cases of staghorn calculi were subjected to kidney non-contrast CT (NCCT) scan preoperatively. During PCNL, two F5 ureteral catheters were indwelled when the expansion of the ipsilateral ureter was found, together with a suction device if preoperative diagnosis of urinary tract infection was done or cloudy urine or merge multiple tiny stones were found intraoperatively. Pneumatic lithotripsy device was used to shatter stones orderly. The C-arm was used to check the residual stones before the end of operation. KUB radiography was carried out to statistically analyze the stone free-rate 2-4 days postoperation. Results: After the first stage PCNL, 56 cases of staghorn calculi were removed completely (67.5%, 56/83). The mean operative time was 81 min (28-142 min), and mean hemoglobin decrease was 23 g/L (0-54 g/L), In one case of postoperatively declined hemoglobin, renal arteriography and super selective embolization were done. Seven cases had fever postoperation. No urosepsis and organ injury occurred. There was no death. Conclusions: Kidney NCCT scan preoperation, two ureteral catheters, if necessary, together with a suction device, orderly shatter stone, the C-arm used to confirm residual stone before the end of PCNL, all of above comprehensive measures can increase the stone free-rate of staghorn calculi by PCNL.
钟东亮，吴玉姬，刘冠炤，吴文起. 联用多种措施提高经皮肾镜取石术治疗鹿角形肾结石的清除率[J]. 微创泌尿外科杂志, 2016, 5(4): 218-221.
Zhong Dongliang, Wu Yuji, Liu Guanzhao, Wu Wenqu. Several strategies of increasing the stone-free rate of staghorn calculi by percutaneous nephrolithotomy. JOURNAL OF MINIMALLY INVASIVE UROLOGY, 2016, 5(4): 218-221.
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