Abstract
Background: The placement of C1 lateral mass, C2 pedicle screw screws provide a useful alternative method to achieveatlantoaxial fixation. Aim of the work: This study aims at evaluation of Posterior Atlantoaxial fixation using Harms' technique in atlantoaxial subluxation regarding neck pain, fusion rates, neurological and radiographic outcomes.Patients and Methods: This method achieves immediate rigid stabilization of the atlantoaxial joint and obviates the need for halo vest immobilization. This technique may be used in certain cases as an alternative to occipitocervical fusion, and may also be used to increase construct stability when occipitocervical fixation is used. Results: We thus advocate that this procedure only be performed by surgeons who are highly experienced in the treatment of atlantoaxial instability, and who have an intimate understanding of the anatomy of this region. Further biomechanical analysis of this technique should be performed to quantify the strength of constructs employing C1 lateral mass, C2 pedicle screws as compared with otherfixation methods. Conclusion: Further biomechanical analysis of this technique should be performed to quantify the strength of constructs employing C1 lateral mass, C2 pedicle screws as compared with other fixation methods.
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