Posterior restoration pedicle screw technique in treating ankylosing spondylitis patients with atlantoaxial dislocation

CHEN Guo; CHEN Jianmei; ZHANG Yongguang

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Medical Journal of the Chinese People Armed Police Forces ›› 2015, Vol. 26 ›› Issue (3) : 262-265.

ORIGINAL ARTICLES

Posterior restoration pedicle screw technique in treating ankylosing spondylitis patients with atlantoaxial dislocation

CHEN Guo¹, CHEN Jianmei², ZHANG Yongguang²

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Abstract

Objective To study the surgical therapeutics and efficacy of posterior restoration pedicle screw internal fixation technique in treating ankylosing spondylitis patients with atlantoaxial dislocation. Methods From April 2009 to June 2013,10 patients with ankylosing spondylitis with atlantoaxial dislocation were recruited. All patients underwent the posterior reduction and pedicle screw fixation treatment. The therapeutic efficacy was evaluated by the JOA method and Frankel scale. Results All patients were followed up (21.0±11.1) for months. Original symptoms in all patients were significantly improved, with preoperative JOA score (12.7±1.7) points, postoperatie JOA score (15.4±4.0) points (P<0.05). Five patients with spinal cord injury recovered from a preoperative D to E by Frankel classification. All patients did not present vertebral artery, venous sinus and spinal cord injury intraoperatively, nor presented fixation loosening and fracture postoperatively. In postoperative follow-up period, no translocation and instability of atlantoaxial vertebra were detected. The bone graft fusion rate was satisfactory. Conclusions Posterior restoration pedicle screw technique is a safe and effective method for treating ankylosing spondylitis patients with atlantoaxial dislocation.

Key words

ankylosing spondylitis / atlantoaxial dislocation / pedicle screw / posterior cervical fusion

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CHEN Guo, CHEN Jianmei, ZHANG Yongguang. Posterior restoration pedicle screw technique in treating ankylosing spondylitis patients with atlantoaxial dislocation[J]. Medical Journal of the Chinese People Armed Police Forces. 2015, 26(3): 262-265

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