The application value of 3D finite element analysis technology and 3D printing biological model technology in the precise surgery of degenerative lumbar scoliosis
10.3760/cma.j.cn431274-20230330-00421
- VernacularTitle:三维有限元分析技术、3D打印生物模型技术在退行性腰椎侧凸精准手术中的应用价值
- Author:
Wei SUN
1
;
Yi WEI
;
Xuejun ZHENG
;
Jie GUO
;
Lifeng YU
Author Information
1. 张家口市第二医院骨科，张家口 075000
- Keywords:
Finite element analysis;
Printing, three-dimensional;
Degenerative lumbar scoliosis
- From:
Journal of Chinese Physician
2023;25(11):1692-1696
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To analyze the application value of three-dimensional finite element (FE) analysis technology and 3D printing biological model technology in the precise surgery of degenerative lumbar scoliosis (DLS).Methods:A total of 96 patients with DLS undergoing precision surgery at the Second Hospital of Zhangjiakou from December 2020 to December 2022 were selected and randomly divided into two groups using a random number table method. The control group (48 cases) was determined based on the surgical plan determined by pre-operative 3D computed tomography (CT) reconstruction, while the observation group (48 cases) was determined using 3D FE combined with 3D printing biological model technology. The perioperative indicators (time of implanting pedicle screws, radiation exposure time, operation time, intraoperative blood loss), pre-and post-operative Japanese Orthopaedic Association scale (JOA), visual analog self-assessment scale (VAS), Scoliosis Research Society-22 (SRS-22) scale scores, lumbar lordosis angle, scoliosis Cobb angle, and complication rate were compared between the two groups.Resultsl:The time of pedicle screw insertion, radiation exposure time, and operation time in the observation group were shorter than those in the control group (all P<0.05), and the intraoperative blood loss was less than that in the control group ( P<0.05). The JOA and SRS-22 scale scores in the observation group were higher than those in the control group (all P<0.05), and the VAS score was lower than that in the control group ( P<0.05). The lumbar lordotic angle in the observation group was greater than that in the control group ( P<0.05), and the Cobb angle of lateral curvature was smaller than that in the control group ( P<0.05). The incidence of complications in the observation group [4.17%(2/48)] was lower than that in the control group [20.83%(10/48)], and the difference was statistically significant ( P<0.05). Conclusions:Preoperative simulation of the surgical process using 3D FE combined with 3D printing of a biological model can effectively reduce blood loss, shorten operation time, promote the functional recovery of the damaged lumbar spine, alleviate postoperative pain, restore the anterior curvature angle, improve quality of life, and reduce complications.
