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  • ISSN 1674-8301
  • CN 32-1810/R
Volume 32 Issue 2
Feb.  2018
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Abstract
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Zhifeng Sun, Kaixiang Yang, Hongtao Chen, Tao Sui, Lei Yang, Dawei Ge, Jian Tang, Xiaojian Cao. A novel entry point for pedicle screw placement in the thoracic spine[J]. The Journal of Biomedical Research, 2018, 32(2): 123-129. DOI: 10.7555/JBR.31.20160037
Citation: Zhifeng Sun, Kaixiang Yang, Hongtao Chen, Tao Sui, Lei Yang, Dawei Ge, Jian Tang, Xiaojian Cao. A novel entry point for pedicle screw placement in the thoracic spine[J]. The Journal of Biomedical Research, 2018, 32(2): 123-129. DOI: 10.7555/JBR.31.20160037
shu

A novel entry point for pedicle screw placement in the thoracic spine

  • Department of Orthopaedics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China

Funds: 

This work was supported by the National Natural Science Foundation of China (Grant #81371968, #81371969,#81401791)

the Program for Development of Innovative Research Team in the First Affiliated Hospital of NJMU (No. IRT-015), and a project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions.

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  • Received Date: March 14, 2016
  • Revised Date: June 06, 2016
    Graphical Abstract
    • Abstract
  • This study was aimed to introduce a novel entry point for pedicle screw fixation in the thoracic spine and compare it with the traditional entry point. A novel entry point was found with the aim of improving accuracy, safety and stability of pedicle screw technique based on anatomical structures of the spine. A total of 76 pieces of normal thoracic CT images at the transverse plane and the thoracic pedicle anatomy of 6 cadaveric specimens were recruited. Transverse pedicle angle (TPA), screw length, screw placement accuracy rate and axial pullout strength of the two different entry point groups were compared. There were significant differences in the TPA, screw length, and the screw placement accuracy rate between the two groups (P < 0.05). The maximum axial pullout strength of the novel entry point group was slightly larger than that of the traditional group. However, the difference was not significant (P > 0.05). The novel entry point significantly improved the accuracy, stability and safety of pedicle screw placement. With reference to the advantages above, the new entry point can be used for spinal internal fixations in the thoracic spine.
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    2. Chang J, Cao J, Huang Z, et al. Comparison of the modified Wiltse's approach with spinal minimally invasive system and traditional approach for the therapy of thoracolumbar fracture. J Biomed Res, 2020, 34(5): 379-386. DOI:10.7555/JBR.34.20200008
    3. Ding B, Zhou T, Zhao J. A novel system for accurate lumbar spine pedicle screw placement based on three-dimensional computed tomography reconstruction. J Orthop Translat, 2020, 23: 101-106. DOI:10.1016/j.jot.2020.03.010

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