• Eur Spine J · Oct 2000

    CT-guided internal fixation of a hangman's fracture.

    • S Taller, P Suchomel, R Lukás, and J Beran.
    • Traumacenter, Hospital Liberec, Czech Republic. stanislav.taller@nemlib.cz
    • Eur Spine J. 2000 Oct 1; 9 (5): 393-7.

    AbstractMost hangman's fractures are treated conservatively. If surgery is indicated, an anterior approach using a C2/C3 graft and plate fusion is usually preferred. Another surgical method according to Judet is direct transpedicular osteosynthesis by the dorsal approach. This surgery is frequently rejected because of the high risk of spinal cord damage or vertebral artery tear. Direct transpedicular osteosynthesis of hangman's fracture according to Judet is a "physiological operation" that does not cause fusion and creates anatomical conditions. This procedure enables appropriate reduction, compression of fragments and immediate stabilization of the C2 segment. A new aspect of Judet's method of internal fixation of a hangman's fracture is now proposed. Computed tomographic (CT) guidance is used to ensure safe and exact introduction of two screws from the posterior approach. This method of CT-guided internal fixation of hangman's fracture allows, preoperatively, for an accurate assessment of the pattern and course of fracture line, selection of the anatomically safest screw path and determination of an appropriate screw length. The procedure also allows for accurate intraoperative control of instrument and implant placement, screw tightening, fracture reduction and anchoring of the screw tip in the contralateral cortex, using repeated CT scans. The procedure is performed in a CT unit under sterile conditions. This method was used in the treatment of eight male and two female patients aged 21-71 years. All treated patients were without neurological deficit. Follow-up ranged from 12 to 57 months (mean 33.3 months). No intraoperative or early or late postoperative complications were apparent. This new aspect of the surgical procedure ensures highly accurate screw placement and minimal risks, and fully achieves the "physiological" internal fixation.

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