Posterior short segment fixation including the fractured vertebra combined with kyphoplasty for unstable thoracolumbar o
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RESEARCH ARTICLE
Open Access
Posterior short segment fixation including the fractured vertebra combined with kyphoplasty for unstable thoracolumbar osteoporotic burst fracture Xudong Hu, Weihu Ma, Jianming Chen, Yang Wang and Weiyu Jiang*
Abstract Background: Various studies have described the efficacy and safety of the treatment for unstable thoracolumbar osteoporotic burst fracture, however, there is still no consensus on the optimal treatment regimen. The aim of this study was to evaluate the clinical and radiographic results of posterior short segment fixation including the fractured vertebra (PSFFV) combined with kyphoplasty (KP) for unstable thoracolumbar osteoporotic burst fracture. Methods: Forty-three patients with unstable thoracolumbar osteoporotic burst fracture underwent PSFFV combined with KP from January 2015 to December 2017 were analyzed retrospectively. Visual Analogue Scale (VAS) and Oswestry Disability Index (ODI) was used to evaluate the clinical outcome, radiological parametres including local kyphotic Cobb angle, percentage of the anterior, middle and posterior height of the fractured vertebra were measured and compared pre-operation, post-operation and at final follow-up. Results: All patients underwent surgery successfully and with an average follow-up of 19.2 ± 6.7 months (rang 15– 32). The VAS decreased from 7.1 ± 2.3 pre-operation to 1.6 ± 0.4 at the final follow-up (p < 0.05). The ODI decreased from 83.1 ± 10.5 pre-operation to 19.2 ± 7.3 (P < 0.05) at the final follow-up. The correction of local kyphotic angle was 16.9° ± 5.3° (p < 0.05), and the loss of correction was 3.3° ± 2.6° (p > 0.05), the correction of anterior vertebral height was 30.8% ± 8.6% (p < 0.05), and the loss of correction was 4.5% ± 3.9% (p > 0.05), the correction of middle vertebral height was 26.4% ± 5.8% (p < 0.05), and the loss of correction was 2.0% ± 1.6% (p > 0.05), the correction of posterior vertebral height was 9.4% ± 6.9% (p < 0.05), and the loss of correction was 1.6% ± 1.3% (p > 0.05). Two cases of screw pullout and 8 cases of cement leakage were observed, but without clinical consequence. Conclusions: PSFFV combined with KP is a reliable and safe procedure with satisfactory clinical and radiological results for the treatment of unstable thoracolumbar osteoporotic burst fracture. Keywords: Thoracolumbar burst fracture, Osteoporotic, Posterior shout segment fixation, Kyphoplasty
* Correspondence: [email protected] Department of Spine Surgery, Ningbo No.6 Hospital, Zhongshan East Road 1059#, Ningbo 315040, Zhejiang Province, China © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative
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