Articulationを起こさないC1-2後方固定(ハームス法)

概要

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The author presents the C1-C2 fusion technique using individual fixation of the C1 lateral mass and the C2 pars interarticularis with polyaxial screws and rods. Materials and Methods: Four patients with ages ranging from 19-41 had C2 fractures and one 81 year -old female had granuloma at the level of C1. Results: All patients showed improvement of atlanto-axial instability without complications and mean blood loss was 50cc.Careful subperiosteal stripping was useful for C1-2 exploration. Conclusions; This "Harms methods" C1-2 posterior fixation using polyaxial screws and rods is a useful and safe technique without intraoperative navigation systems and postoperative C1-2 articulation.