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Biomechanical evaluation of In-Out-In pedicle screws for atlantoaxial posterior fixation in the presence of high-riding vertebral artery and narrow C2 pedicles: a finite element analysis

Crossref DOI link: https://doi.org/10.1186/s13018-025-06095-2

Published Online: 2025-07-16

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Lian, Xiong-han

He, Wen

Sun, Wen-jia

Lin, Xu-chao

Xue, Huo-huo

Zeng, Zhi-feng

Chen, Yu-fan

Chen, Ming-di

Wei, Feng-guang

Wang, Zhi-qiang

Ruan, Hong-liang

Luo, Zi-qi

Chen, Xiang-ting

Chen, Xin

Xue, Jing-lai
Funding

Funding for this research was provided by:

Fujian Provincial Natural Science Foundation Project (2022J011312, 2022J011312)

Fujian Provincial Clinical Medical Research Center for First Aid and Rehabilitation in Orthopaedic Trauma (2020Y2014, 2020Y2014, 2020Y2014, 2020Y2014, 2020Y2014, 2020Y2014, 2020Y2014)
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Text and Data Mining valid from 2025-07-16

Version of Record valid from 2025-07-16
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Article History

Received: 23 April 2025

Accepted: 6 July 2025

First Online: 16 July 2025

Declarations

:

: This study has been reviewed by the appropriate ethics committee of our hospital and have been performed in accordance with the ethical standards laid down in an appropriate version of the 1964 Declaration of Helsinki.

: Not applicable

: The authors declare no competing interests.

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