Outcomes for Standalone Anterolateral Corpectomy for Thoracolumbar Burst Fractures

Overview

Journal Neurosurg Rev

Specialty Neurosurgery

Date 2024 Oct 23

PMID 39443336

Authors

Michael J Ortiz Torres

Kaushik Ravipati

Caitlyn J Smith

Kiersten Norby

Jamir Pleitez

Walter Galicich

Thomas Bergman

Christopher Roark

Farhan Siddiq

Affiliations

Soon will be listed here.

Abstract

There is a paucity of data available on the context preceding anterior fusion failure or the need for a posterior fusion, the timing of the second operation, or any correlation between the different instrumentation and failure rates. A retrospective chart review was performed of 131 identified patients who underwent anterolateral corpectomy and fusion for a thoracolumbar burst fracture from 2000 to 2012 in a single institution. 96 patients had clinical and radiographic follow up of greater than two months. Mean kyphosis correction from preoperative (14.1°) to postoperative kyphosis (6.3°) was 7.7° and 37% had loss of kyphotic correction at follow-up. In a univariate analysis, use of a bone strut graft (OR 3.2, p = 0.01), point-loaded graft position (OR 4.9, p = 0.005), end plate damage/subsidence (OR 6.7, p < 0.0001), and graft to endplate width ratio of ≤ 45% on AP x-ray (OR 3.0, p = 0.02) were associated with loss of kyphotic correction. 41% demonstrated scoliosis of ≥ 5° at follow-up. Graft location towards the left of midline (OR 8.6, p < 0.0001), point-loaded graft position (OR 3.8, p = 0.01), and end plate damage/subsidence (OR 5.5, p = 0.0001) were also associated with scoliosis at the time of final follow-up. Five patients required posterior fusion and fifteen patients continued to have daily pain, only one of which was determined to be related to kyphosis. Use of a bone strut graft versus expandable cage, graft location, graft position, presence of early or late subsidence and width of the graft may be associated with loss of kyphotic correction and scoliosis.

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