Evaluation of the usefulness of anterior vertebral body replacement for Rod fracture at vertebrae with pedicle subtraction osteotomy in adult spine deformity

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  • 成人脊柱変形手術におけるpedicle ubtraction osteotomy高位での前方椎体置換術の有用性

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<p>Introduction: Pedicle subtraction osteotomy (PSO), for adult spinal deformity, has been reported to cause a high incidence of rod fracture at the osteotomy site. In our department, the anterior vertebral body replacement is performed on the vertebra with PSO for rod fracture prevention. In this study, we investigated the efficacy of the anterior vertebral body replacement at the vertebra with PSO.</p><p>Methods: We retrospectively reviewed 63 patients aged ≥20 years who underwent five or more vertebral fixations with one or more pedicle subtraction osteotomized vertebrae, with a minimum follow-up of 2 years between January 2012 and December 2018 at our hospital.</p><p>Results: There were no cases of rod fracture in 45 patients who underwent the anterior vertebral body replacement. Furthermore, rod fracture occurred in 2 of 18 patients who did not undergo the anterior vertebral body replacement.</p><p>Conclusions: Anterior vertebral body replacement at the vertebra with PSO may be useful in rod fracture prevention.</p>

Journal

  • Journal of Spine Research

    Journal of Spine Research 13 (10), 1139-1145, 2022-10-20

    The Japanese Society for Spine Surgery and Related Research

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