Journal List > J Korean Orthop Assoc > v.26(3) > 1115075

Park and Kim: Posteior Spinal Instrumentation for the unstable Fractures and Dislocations of Thoracic and Lumbar Spine

Abstract

For evaluation of the clinical and radiological result in the surgical reduction and stabilization of the unstable fractures and dislocations in thoracic and lumbar spine, the authors analysed the 96 patients who were treated with Harrington instrumentation and pedicle screw device and the average follow up period was 28 months. The results were as follows:1. By Denis classification, burst fracture is the most common type (48 cases, 50%). 2. Angular deformity were changed from 23.5°preoperatively to 9.6°postoperatively, 13.8°at follow up in Harrington rod group and 21.6°preoperatively to 10.1°postoperatively and 12.5°at follow up in pedicle screw device group. 3. Anterior vertebral height were 53.9% preoperatively, 76.4 % postoperatively and 71.6% at follow up in Harrington rod group, 58.9% preoperatively. 80.9% postoperatively and 77.9% at follow up in pedicle screw device group. 4. Segments of fusion were 6.4 in Harrington rod group, 3.9 in pedicle screw device group.

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