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J Spinal Disord Tech. 2010 Jul;23(5):293-301. doi: 10.1097/BSD.0b013e3181af20b6.

Successful treatment of thoracolumbar fractures with short-segment pedicle instrumentation.

Author information

1
Department of Orthopaedics, University of Maryland Medical Center, 22 South Greene Street, Suite S11B, Baltimore, MD 21201, USA. dgelb@umoa.umm.edu

Abstract

STUDY DESIGN:

Retrospective radiographic review.

OBJECTIVE:

To determine whether clinical factors or common classification systems can predict the radiologic outcome of short-segment thoracolumbar fracture fixation.

SUMMARY OF BACKGROUND DATA:

Previous reports have indicated that short-segment thoracolumbar fracture fixation might not be appropriate for highly comminuted fractures or for patients with multiple traumatic injuries.

METHODS:

We conducted a retrospective radiographic review of 46 thoracolumbar fractures treated with short-segment posterior instrumentation to determine the rate of correction loss and instrumentation failure in relation to the Load Sharing Classification of Spine Fracture system and the AO Classification of Fractures system. No postoperative bracing was used. Patients with multisystem organ trauma and those with isolated injuries were included.

RESULTS:

An average loss of correction of 7.5 degree was observed. Pedicle screw placement into the fractured vertebra seemed to protect against correction loss: 4 of the 7 patients (57%) in the no intermediate fixation group had >10 degree loss of correction. No relationship was shown between loss of correction and Load Sharing Classification (< or = 6 or > or = 7 points), loss of correction and AO Classification, or loss of correction and level of injury (thoracolumbar junction vs. lower lumbar).

CONCLUSIONS:

With modern instrumentation and techniques, short-segment thoracolumbar fracture fixation could be used successfully, despite highly comminuted injuries, without anterior column support or supplemental bracing.

PMID:
20606547
DOI:
10.1097/BSD.0b013e3181af20b6
[Indexed for MEDLINE]

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