• Mehmet Onur Yuksel, Mehmet Sabri Gurbuz, Merih Is, and Hakan Somay.
• Erzurum Regional Training and Research Hospital, Department of Neurosurgery, Erzurum, Turkey.
• Turk Neurosurg. 2018 Jan 1; 28 (1): 94-98.

AimTo determine whether the Thoracolumbar Injury Classification and Severity Score (TLICS) and the Arbeitsgemeinschaft für Osteosynthesefragen (AO) Spine Thoracolumbar Injury Classification System have any superiority to each other regarding the reliability of their recommendations in the surgical management of unstable thoracolumbar burst fractures.Material And MethodsFifty-five consecutive patients with thoracolumbar burst fractures undergoing instrumentation between 2010 and 2015 were analyzed retrospectively. TLICS and AO systems were compared based on patients" American Spinal Injury Association (ASIA) scores and they were analyzed for their safety and reliability.ResultsA total of 55 patients were studied. Neurological deficits were detected in 18 patients and the remaining 37 patients had normal neurological functions. All the patients with neurological deficits received > 4 points according to TLICS. There were 14 patients with incomplete spinal cord injury and all of them received > 4 points according to TLICS (p < 0.01). On the other hand; 8 of these 14 patients received 4 points according to the AO system. None of the 37 patients without neurological deficit received < 4 points of TLICS whereas 18 of these 37 patients received 3 AO points, to whom AO recommends conservative treatment despite the fact that they had unstable burst fractures (p < 0.01).ConclusionRecommendations of TLICS might be more reliable than those of AO particularly for guiding the surgical management of unstable thoracolumbar burst fractures without neurological deficit. However, this conclusion needs to be verified with further multicenter prospective studies.

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