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Article type: Research Article
Authors: Jiang, Chuanjie | Yang, Yongjun* | Yu, Jianlin | Zhou, Jiping | Lin, Haipeng | Duan, Xiuyang | Li, Jinjian
Affiliations: Department of Spine and Spine Cord, Shandong Wendeng Orthopedic and Traumatic Hospital, Wendeng, Shandong, China
Correspondence: [*] Corresponding author: Yongjun Yang, Department of Spine and Spine Cord, Shandong Wendeng Orthopedic and Traumatic Hospital, No. 1 Fengshan Road, Wendeng, Shandong 26400, China. E-mail: yongjunyangwork@163.com.
Abstract: BACKGROUND: In cervicothoracic junction, the use of strong fixation device such as pedicle screw placement is often needed. OBJECTIVE: The current study aimed to evaluate the accuracy and safety of pedicle screw placement using stress conduction analysis in the clinical application. METHODS: We retrospectively collected patients who underwent pedicle screw internal fixation in cervicothoracic junction. Patients were divided into conventional nail placement (Group A) and modified pedicle screw implantation under guidance of stress analysis (Group B) according to the methods of pedicle screw placement. The accuracy of pedicle screw placement was assessed by computed tomography (CT) examination, and the success rate was calculated. RESULTS: A total of 80 patients who underwent pedicle screw internal fixation in cervicothoracic junction were included. There were no obvious differences in baseline characteristics between two groups. The success rate of total screw placement, cervical spine screw placement and upper thoracic spine screw placement in Group B was higher than those in Group A (P< 0.001, P= 0.005, P= 0.008). Additionally, Heary Grade I in the Group B was higher than Group A (P= 0.001). CONCLUSION: Stress analysis-guided technique can increase the accuracy of pedicle screw placement. Importantly, it meets the requirements of internal fixation of the cervicothoracic junction.
Keywords: Pedicle screw fixation, stress analysis, cervicothoracic junction, freehand nail placement
DOI: 10.3233/BMR-220154
Journal: Journal of Back and Musculoskeletal Rehabilitation, vol. 36, no. 5, pp. 1087-1094, 2023
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