Research ArticleMinimally Invasive Surgery

Anterior Fixation of Floating Facet Fractures in the Cervical Spine: A Prospective Case Series and Biomechanical Analysis

International Journal of Spine Surgery January 2018, 12 (1) 85-91; DOI: https://doi.org/10.14444/5014

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  • Figure 1
    Figure 1

    Percentage compared with intact state. *Statistical significance. Abbreviations: PI, posterior instrumentation; SP, interbody spacer; ICSD, integrated cage-screw device with anterior plating.

  • Figure 2
    Figure 2

    Computed tomography scan demonstrating trace listhesis at C4-C5, with a floating lateral mass injury involving the right C5 lamina (big arrow) and right C5 pedicle (small arrow). Based on this supine study, it is unclear whether this 2-level injury pattern represents true instability at both levels.

  • Figure 3
    Figure 3

    The patient was mobilized in a collar, and an upright lateral radiograph was obtained (left), which showed no significant listhesis. However, the lateral radiograph at 1-week follow-up showed kyphosis and listhesis at C5-C6, with trace listhesis at C4-C5 (middle). One year postoperatively, the trace listhesis at C4-C5 resolved with anatomic fixation of only the progressive instability at C5-C6 (right).

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Anterior Fixation of Floating Facet Fractures in the Cervical Spine: A Prospective Case Series and Biomechanical Analysis
CHRISTOPHER CHAPUT, NATHAN B. HAILE, ADITYA M. MUZUMDAR, DAVID M. GLOYSTEIN, VASILIOS A. ZERRIS, PAUL J. TORTOLANI, MARK RAHM, MARK MOLDAVSKY, SURESH CHINTHAKUNTA, SAIF KHALIL
International Journal of Spine Surgery Jan 2018, 12 (1) 85-91; DOI: 10.14444/5014
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