Short term radiological outcome of inserting screw at fracture level in posterior short segment fixation in thoracolumbar burst fractures
DOI:
https://doi.org/10.3126/jkmc.v4i3.18236Keywords:
Intermediate screw, Radiological outcome, Thoracolumbar burst fractureAbstract
Background: Unstable thoracolumbar burst fractures are treated surgically by short segment fixation but may be associated with high implant failure. Supplementation of anterior column by insertion of screw at fracture site makes it more biomechanically stable.
Objectives: The purpose of this prospective study was to evaluate radiological parameters in thoracolumbar fractures treated with intermediate screw fixation with a minimum follow up of two years.
Methods: This prospective study was conducted from 2011 till 2012 where unstable thoracolumbar fractures treated with short segment posterior instrumentation with screw at fracture site were evaluated. All patients (average age 34.64 were followed up for at least 24 months and were classified according to Thoracolumbar Injury Classification and Severity Score and load sharing classifi cation. Out of total 32 patients, four lost to follow up. Radiological parameters like vertebral body height and segmental kyphosis were evaluated and pain was evaluated by Visual Analogue Scale score.
Results: Preoperative pain showed mean Visual Analogue Scale Score score of 8.29 that improved to 0.97 at fi nal follow up. Average preoperative loss of vertebral body height was 48.19 %, which improved to 11.4 % after surgery (p<.001). Final vertebral body collapse was 12.98 % with mean percentage loss of vertebral height at 1.57%. Average segmental kyphotic angle was 22.54 before surgery, which corrected to 5.89 immediately after surgery (p<0.001). Final segmental kyphosis was 8.46. Loss of kyphosis correction was 2.57. Two patients had implant failure, but was solidly united during implant removal in both cases.
Conclusion: Excellent maintenance of reduction in thoracolumbar burst fractures with short segment fixation with intermediate screws at fracture site with limited decompression resulted in improved neurologic function and satisfactory clinical outcomes, with a low incidence of implant failure and progressive deformity.
Downloads
Downloads
Published
How to Cite
Issue
Section
License
Copyright © Journal of Kathmandu Medical College
The ideas and opinions expressed by authors or articles summarized, quoted, or published in full text in this journal represent only the opinions of the authors and do not necessarily reflect the official policy of Journal of Kathmandu Medical College or the institute with which the author(s) is/are affiliated, unless so specified.
Authors convey all copyright ownership, including any and all rights incidental thereto, exclusively to JKMC, in the event that such work is published by JKMC. JKMC shall own the work, including 1) copyright; 2) the right to grant permission to republish the article in whole or in part, with or without fee; 3) the right to produce preprints or reprints and translate into languages other than English for sale or free distribution; and 4) the right to republish the work in a collection of articles in any other mechanical or electronic format.
