![]() ![]() 13 When treatment is delayed more than 1 week, a patient is older than 60 years, the displacement is anterior, or all three conditions exist, these fractures have been associated with even higher rates of nonunion. Odontoid Type II fractures displaced more than 6 mm (anteriorly or posteriorly) have a 78% chance of failure when treated with a halo brace. Open surgical reduction and fixation are required for widely displaced fractures. 1).13Halo immobilization is the preferred treatment for fractures displaced less than 6 mm. Key Words : atlantoaxial instability, cervical spine instability, odontoid fracture, odontoid screw fixationĪlmost two thirds of all dens fractures are Type II odontoid fractures or fractures that extend across the neck of the dens (Fig. This is the only spinal fixation technique for fractures that restores spinal stability yet completely preserves normal spinal motion. It is associated with excellent clinical results and a high rate of fusion. Odontoid screw fixation is the preferred method for stabilization of acute, unstable Type II odontoid fractures. Thirty-two patients who sustained Type II fractures of the odontoid process were surgically treated with anterior odontoid screw fixation. †University Hospital of Patras, Patras, Greece Barrow-ASU Center for Preclinical Imagingĭivision of Neurological Surgery, Barrow Neurological Institute, Mercy Healthcare Arizona, Phoenix, Arizona.Department of Translational Neuroscience.Department of ENT and Skull Base Surgery.Bioskills & Neurosurgery Research Laboratory.For Providers & Researchers Show submenu.Parkinson’s Disease & Movement Disorders.Center for Transitional Neuro-Rehabilitation. ![]()
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