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[目的]探讨术前三维CT重建模拟穿刺对经皮肾镜取石手术的价值.[方法]本院行经皮肾镜手术治疗的上尿路结石患者100例,根据患者术前是否行三维CT重建模拟穿刺分为对照组与观察组,比较两组患者手术相关情况.[结果]两组患者肾积水程度与结石位置相比较差异无显著性(P＞0.05);观察组穿刺时间、经皮通道数目、术后血红蛋白下降值及结肠损伤发生率显著低于对照组(P＜0.05),而一次性穿刺成功率与结石清除率显著高于对照组且差异有显著性(P＜0.05).[结论]经皮肾镜手术治疗前行三维CT重建模拟穿刺能有效了解结石的形态与肾脏集合系统,提高术前评估的准确性,提供最有效的穿刺方法,提高穿刺成功率与结石清除率,减少对周围组织的不必要损伤.“,”[Objective]To study the value of preoperative three-dimensional (3D) CT reconstruction simulated puncture for percutaneous nephrolithotomy.[Methods]A total of 100 cases of patients with upper urinary stones who received percutaneous nephrolithotomy surgery in our hospital were collected.Patients were divided according to whether or not they received three-dimensional CT reconstruction simulation into the control group (without 3D CT simulation) and the observation group (with 3D CT simulation).Clinical data (the puncture success rate,the stone clearance rate,and complications) were compared between the two groups.[Results]There were no statistical significant differences in hydronephrosis and stone location in patients of the two groups (P ＞0.05).In the observation group,percutaneous puncture time,channel number,postoperative hemoglobin value drop and colon injury were significantly lower than those in the control group (P ＜0.05),while the stone clearance rate and onetime puncture success rate were significantly higher than those in the control group,with statistical significance (P ＜0.05).[Conclusion]Percutaneous renal surgery under the guidance of 3D CT reconstruction of simulated puncture can effectively interpret the morphology of stones and kidney collection system.This method can improve the accuracy of preoperative evaluation and provide the most effective method of puncture,increasing puncture success rate and stone clearance probability with minimal unnecessary damage to surrounding tissue.