Spine · 2023
Validation of the AO Spine Thoracolumbar Injury Classification System Treatment Algorithm: Should it be used to Guide Fracture Management?
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Lambrechts Mark J, Schroeder Gregory D, Tran Khoa, Li Sandy, Huang Angela, Chu Justin, Karamian Brian A, Canseco Jose A, Hilibrand Alan S, Oner Cumhur, Dvorak Marcel, Schnake Klaus, Kepler Christopher K, Vaccaro Alexander R
Аннотация
STUDY DESIGN: Retrospective Cohort Study.
OBJECTIVE: To determine how historical management of thoracolumbar spine injuries compares to the recently proposed AO Spine Thoracolumbar Injury Classification System treatment algorithm.
SUMMARY OF BACKGROUND DATA: Classifications of the thoracolumbar spine are not uncommon. The frequent advent of new classifications is typically due to previous classifications being primarily descriptive or unreliable. Thus, AO Spine created a classification with an associated treatment algorithm to guide injury classification and management.
METHODS: Thoracolumbar spine injuries were retrospectively identified from a prospectively collected spine trauma database at a single, urban, academic medical center during the years 2006 to 2021. Each injury was classified and assigned points based on the AO Spine Thoracolumbar Injury Classification System injury severity score. Patients were grouped into scores of 3 or less (preferred initial conservative treatment) and greater than 6 (preferred initial surgical intervention). Either operative or non-operative treatment was considered appropriate for injury severity scores of 4 or 5.
RESULTS: A total of 815 patients (TL AOSIS 0-3: 486, TL AOSIS 4-5: 150, TL AOSIS 6+: 179) met inclusion status. Injury severity scores of 0-3 were more likely to undergo non-operative management compared to scores of 4-5 or 6+ (99.0% vs. 74.7% vs. 13.4%, P <0.001). Thus, guideline congruent treatment was 99.0%, 100%, and 86.6%, respectively ( P <0.001). Most injuries determined to be a 4 or 5 were treated non-operatively (74.7%). Based on the treatment algorithm, 97.5% of patients who received operative treatment and 96.1% who received non-operative treatment were managed in accordance with the algorithm. Of the 29 patients who did not receive algorithm congruent treatment, 5 (17.2%) were treated surgically.
CONCLUSIONS: A retrospective review of thoracolumbar spine injuries at our urban academic medical center identified that patients are historically treated in accordance with the proposed AO Spine Thoracolumbar Injury Classification System treatment algorithm.
OBJECTIVE: To determine how historical management of thoracolumbar spine injuries compares to the recently proposed AO Spine Thoracolumbar Injury Classification System treatment algorithm.
SUMMARY OF BACKGROUND DATA: Classifications of the thoracolumbar spine are not uncommon. The frequent advent of new classifications is typically due to previous classifications being primarily descriptive or unreliable. Thus, AO Spine created a classification with an associated treatment algorithm to guide injury classification and management.
METHODS: Thoracolumbar spine injuries were retrospectively identified from a prospectively collected spine trauma database at a single, urban, academic medical center during the years 2006 to 2021. Each injury was classified and assigned points based on the AO Spine Thoracolumbar Injury Classification System injury severity score. Patients were grouped into scores of 3 or less (preferred initial conservative treatment) and greater than 6 (preferred initial surgical intervention). Either operative or non-operative treatment was considered appropriate for injury severity scores of 4 or 5.
RESULTS: A total of 815 patients (TL AOSIS 0-3: 486, TL AOSIS 4-5: 150, TL AOSIS 6+: 179) met inclusion status. Injury severity scores of 0-3 were more likely to undergo non-operative management compared to scores of 4-5 or 6+ (99.0% vs. 74.7% vs. 13.4%, P <0.001). Thus, guideline congruent treatment was 99.0%, 100%, and 86.6%, respectively ( P <0.001). Most injuries determined to be a 4 or 5 were treated non-operatively (74.7%). Based on the treatment algorithm, 97.5% of patients who received operative treatment and 96.1% who received non-operative treatment were managed in accordance with the algorithm. Of the 29 patients who did not receive algorithm congruent treatment, 5 (17.2%) were treated surgically.
CONCLUSIONS: A retrospective review of thoracolumbar spine injuries at our urban academic medical center identified that patients are historically treated in accordance with the proposed AO Spine Thoracolumbar Injury Classification System treatment algorithm.