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SHORT-SEGMENT POSTERIOR STABILISATION AND FUSION FOR THORACO-LUMBAR BURST FRACTURES



Abstract

Purpose of study: There is a controversy in the surgical treatment of unstable thoracolumbar burst fractures scoring high on the Load Sharing Classification (LSC). We have been treating unstable thoracolumbar fractures with postero-lateral fusion using short segment instrumentation and in this study we investigated our complication rate.

Methods and results: We retrospectively reviewed notes and radiographs of patients presenting with thoracolumbar burst fractures and stabilised with a short-segment instrumented postero-lateral fusion between 1998 and 2007. We identified 31 patients who had adequate documentation and radiographs. Twenty patients had a high (> =7) LSC score and none of these fixations failed. Overall early and late complication rate was low (one wound infection, one dehiscence and four unrelated infections), the one metalwork failure related to infection. Fifty-five percent of patients returned to full-time work. Approximately 50% of correction of kyphosis was lost but the average kyphosis at final follow-up was 11 degrees that we thought was acceptable.

Conclusion: We concluded that treating unstable burst fractures with posterior instrumented fusion alone using a pedicle screw construct does not result in late instrumentation failure, high complication rate or unacceptable final deformity.

Ethics approval: None

Interest Statement: None

Correspondence should be addressed to BASS/BCSS c/o BOA, at the Royal College of Surgeons, 35–43 Lincoln’s Inn Fields, London, WC2A 3PE, England.