Feasibility and Safety of the C1 “Zero Angle” Screw: A Novel “In–Out–In” Technique for Atlantoaxial Dislocation

Feasibility and Safety of the C1 “Zero Angle” Screw: A Novel “In–Out–In” Technique for Atlantoaxial Dislocation

ABSTRACT Objectives To minimize the risk of V3 segment of vertebral artery (VA) injury in the atlantoaxial dislocation (AAD) patients with C1 pedicle height less than 4.0 mm and provide a strong toggle force in irreducible AAD and revision surgery. We evaluated the feasibility of C1 “Zero Angle” scr...

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Bibliographic Details
Main Authors: Zexing Chen, Xinzhao Huang, Xiaobao Zou, Peirong Lian, Guoqiang Liu, Junlin Chen, Changrong Zhu, Xiangyang Ma
Format: Article
Language:English
Published: Wiley 2025-02-01
Series:Orthopaedic Surgery
Subjects:
atlantoaxial dislocation
atlas
in–out–in
narrow pedicle
zero angle
Online Access:https://doi.org/10.1111/os.14309
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