Application of Preoperative 3D Printing Model Simulating Operation in Percutaneous Nephrolithotomy based on CT Three-dimensional Reconstruction Imaging

doi:10.7517/issn.1674-0475.221026

Abstract

Abstract: This study investigated the effect of preoperative 3D printing model based on CT 3D reconstruction imaging to simulate surgical operation in the treatment o f patients with complex kidney stones by percutaneous nephrolithotomy. 96 patients with complex kidney stones were selected,and they were randomly divided into a 3D group and a routine group with 48 cases in each group. The patients in 3D group were treated with preoperative 3D printed model simulates the operation of percutaneous ephrolithotomy based on CT three-dimensional reconstruction imaging, and the routine group only takes preoperative CT three-dimensional reconstruction for percutaneous nephrolithotomy under surgical positioning. The operation time, operative blood loss, success rate of single puncture, postoperative stone clearance rate, and the changes of peripheral blood white blood cells (WBC), hemoglobin (Hb), serum procalcitonin (PCT), C-reactive protein (CRP), cystatin C (CysC), blood urea nitrogen (BUN) and serum creatinine (Scr) were compared between the two groups, and the operative complications of the two groups were recorded. The operation time and operative blood loss in the 3D group were lower than those in the conventional group, and the success rate of single puncture in the 3D group was higher than that in the conventional group (P<0.05). The level of CysC at 24 hours after operation was lower than that of the routine group (P<0.05). The changes of peripheral blood WBC, Hb, serum PCT, and CRP of the two groups of patients were monitored before surgery, 24 hours after surgery, and 72 hours after surgery. There was no significant difference in the change trends of peripheral blood WBC, Hb, serum PCT and CRP between 3D group and routine group (P>0.05). After surgery the complications were counted in the two groups, the complication rate of the 3D group was 4.17% which lower than that of the conventional group 16.67% (P<0.05). The preoperative 3D printing model simulation based on CT 3D reconstruction imaging can effectively shorten the operation time, reduce the blood loss, improve the single success rate, and reduce the degree of damage to the patient's renal function.

Key words: CT 3D reconstruction, 3D printing, percutaneous nephrolithotomy, complex kidney stones

ZHAO Shuxiao, LI Feng, QIN Zhibiao, BI Gewen, LEI Hua, LI Qiguang, ZHENG Fang, NING Xin, HUANG Juezhuo, GU Nengyu. Application of Preoperative 3D Printing Model Simulating Operation in Percutaneous Nephrolithotomy based on CT Three-dimensional Reconstruction Imaging[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2023, 41(1): 17-22.

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