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Study Design:   Retrospective matched cohort study.Objectives:   Identifying candidates for isolated percutaneous screw fixation (PSF) in thoracolumbar fractures based on Thoracolumbar Injury Classification and Severity (TLICS) score.Methods:   Patients underwent PSF were split into 3 TLICS-score categories, then matched with groups having similar scores managed either non-operatively or via open screw fixation (OSF). Each category was assessed for corrective power and loss of correction by comparing initial and 1-year Cobb angles as well as Oswestry Disability Index and rates of fracture healing at 1 year.Results:   A total of 102 patients (40 females) with age range 19 to 51 years, were admitted 1 to 25 hours following trauma. Each of TLISC categories consisted of matched treatment groups for comparison. In TLICS-3 fractures (2 treatment groups, n = 12 each), PSF showed similar outcomes but longer time to ambulation and length of stay (LOS) compared with nonoperative management. In TLICS-4 fractures (3 treatment groups, n = 18 each), PSF showed comparable corrective power and outcomes as OSF but was better in terms of operative time, blood loss, time to ambulation, LOS, and cosmesis. Despite higher LOS when compared with nonoperative cases, PSF showed superior radiologic and functional outcomes. In TLICS-5 fractures (2 treatment groups, n = 12 each), PSF showed shorter admissions and time to ambulation but lower corrective power, functional recovery, and tendency to lower healing rates.Conclusions:   Isolated PSF is a valid choice in managing TLICS-4 thoracolumbar fractures; however, it did not surpass conventional methods in TLICS-3 or TLICS-5 fracture types. Further studies are needed before the generalization of findings.

Candidates for Percutaneous Screw Fixation Without Fusion in Thoracolumbar Fractures: A Retrospective Matched Cohort Study