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| Effectiveness of 3D Printed Individualized Navigation Templates in Lumbar Screw Implantation and the Effect on Patient Lumbar Spine Function and Stress Hormones |
| PAN Yujun, SHI Changjiang, MU Huaizhao, et al |
| The Affiliated Hospital of Chengde Medical University, Hebei Chengde 067000, China |
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Abstract Objective: To explore the application effectiveness of 3D printed individualised navigation template in lumbar screw implantation and its effect on patients' lumbar spine function and stress hormones. Methods: A total of 122 patients with lumbar disc herniation and lumbar spinal stenosis in our hospital from January 2019 to January 2021 were selected.The random number table method was used to randomly divide 122 patients into two groups,with 61 cases in each group.The control group underwent lumbar spine screw implantation,and the 3D printed individualized navigation template assisted the lower lumbar spine screw implantation in the study group.The perioperative indicators,surgical outcomes and complications in the 2 groups were observed,and the stress hormones [catalase (CAT),malondialdehyde (MDA),reactive oxygen species (ROS)],spinal cord function [nerve conduction velocity (NCV),latency (DL)] and Oswestry Dysfunction Index Questionnaire (ODI) and visual analogue scoring method (VAS) scores before and after surgery were compared. Results: The study group had a shorter nail placement time than the control group,fewer X-ray machine fluoroscopies than the control group and a lower overall complication rate than the control group (P<0.05); The rate of surgical excellence in the study group was 86.89%,higher than that in the control group (72.13%,P<0.05);The differences in MDA,CAT and ROS between groups and time and the interaction between group and time were statistically significant (P<0.05); the effect of MDA,CAT and ROS levels of the study group was smaller than that of the control group (P<0.05); There is no statistically significant differences in NCV,DL between groups,at different times and the interaction of group and time (P>0.05); ( 5) The differences in ODI and VAS between groups and time and the interaction between group and time were statistically significant (P>0.05),and all showed a decreasing trend over time,with a greater decrease in the study group than in the control group (P<0.05). Conclusion The application of 3D printed individualized navigation template in lumbar screw implantation reduces the nail placement time,decreases complications,increases the good rate of nail placement,improves lumbar spine function,and has less impact on oxidative stress.
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2022, Vol. 28 
