Long-term results of computer-assisted posterior occipitocervical reconstruction

  • Ogihara N
  • Takahashi J
  • Hirabayashi H
 et al. 
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Abstract

Background Instability of the occipitocervical junction can present challenging surgical problems because of the unique anatomic and biomechanical characteristics of this region. The purpose of this study was to evaluate the long-term surgical results and usefulness of a computed tomography (CT)-based navigation system for the occipitocervical reconstruction. Methods Twenty-three patients (10 men, 13 women; mean age at surgery 57.9 years; mean follow-up periods 52.9 months) with occipitocervical junction disorders were treated by occipitocervical reconstruction using pedicle screws, aided by a CT-based navigation system. Roentgenologic measurement and clinical evaluation were performed before surgery and at final follow-up. Postoperative CT and plane radiographs were used to determine the accuracy of screw placement. Results Mean atlantodental interval and Ranawat value were significantly improved (P

Author-supplied keywords

  • Computer-assisted surgery
  • Pedicle screw
  • Posterior occipitocervical reconstruction

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