Open versus Minimally Invasive Fixation Techniques for Thoracolumbar Trauma: A Meta-Analysis

Global Spine Journal - Tập 6 Số 2 - Trang 186-194 - 2016
Steven J. McAnany1, Samuel C. Overley1, Jun Kim1, Evan O. Baird1, Sheeraz A. Qureshi1, Paul A. Anderson2
1Department of Orthopaedic Surgery, Mount Sinai Medical Center, New York, New York, United States
2Department of Orthopedic Surgery and Rehabilitation, University of Wisconsin, Madison, Wisconsin, United States

Tóm tắt

Study Design Systematic literature review and meta-analysis of studies published in English. Objective This study evaluated differences in outcome variables between percutaneous and open pedicle screws for traumatic thoracolumbar fractures. Methods A systematic review of PubMed, Cochrane, and Embase was performed. The variables of interest included postoperative visual analog scale (VAS) pain score, kyphosis angle, and vertebral body height, as well as intraoperative blood loss and operative time. The results were pooled by calculating the effect size based on the standardized difference in means. The studies were weighted by the inverse of the variance, which included both within- and between-study error. Confidence intervals were reported at 95%. Heterogeneity was assessed using the Q statistic and I2. Results After two-reviewer assessment, 38 studies were eliminated. Six studies were found to meet inclusion criteria and were included in the meta-analysis. The combined effect size was found to be in favor of percutaneous fixation for blood loss and operative time ( p < 0.05); however, there were no differences in vertebral body height (VBH), kyphosis angle, or VAS scores between open and percutaneous fixation. All of the studies demonstrated relative homogeneity, with I2 < 25. Conclusions Patients with thoracolumbar fractures can be effectively managed with percutaneous or open pedicle screw placement. There are no differences in VBH, kyphosis angle, or VAS between the two groups. Blood loss and operative time were decreased in the percutaneous group, which may represent a potential benefit, particularly in the polytraumatized patient. All variables in this study demonstrated near-perfect homogeneity, and the effect is likely close to the true effect.

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Thông tin xuất bản

Global Spine Journal

Tập 6 Số 2

186-194

Thông tin tác giả