• Jonathan J Ratcliff, Opeolu Adeoye, Christopher J Lindsell, Kimberly W Hart, Arthur Pancioli, Jason T McMullan, John K Yue, Daniel K Nishijima, Wayne A Gordon, Alex B Valadka, David O Okonkwo, Hester F Lingsma, Andrew I R Maas, Geoffrey T Manley, and TRACK-TBI investigators.
• Emergency Medicine and Neurocritical Care, University of Cincinnati, 231 Albert Sabin Way, PO Box 670769, Cincinnati, OH 45267-0769. Electronic address: ratclijn@uc.edu.
• Am J Emerg Med. 2014 Aug 1; 32 (8): 844-50.

ObjectiveMild traumatic brain injury (mTBI) patients are frequently admitted to high levels of care despite limited evidence suggesting benefit. Such decisions may contribute to the significant cost of caring for mTBI patients. Understanding the factors that drive disposition decision making and how disposition is associated with outcomes is necessary for developing an evidence-base supporting disposition decisions. We evaluated factors associated with emergency department triage of mTBI patients to 1 of 3 levels of care: home, inpatient floor, or intensive care unit (ICU).MethodsThis multicenter, prospective, cohort study included patients with isolated head trauma, a cranial computed tomography as part of routine care, and a Glasgow Coma Scale (GCS) score of 13 to 15. Data analysis was performed using multinomial logistic regression.ResultsOf the 304 patients included, 167 (55%) were discharged home, 76 (25%) were admitted to the inpatient floor, and 61 (20%) were admitted to the ICU. In the multivariable model, admission to the ICU, compared with floor admission, varied by study site, odds ratio (OR) 0.18 (95% confidence interval [CI], 0.06-0.57); antiplatelet/anticoagulation therapy, OR 7.46 (95% CI, 1.79-31.13); skull fracture, OR 7.60 (95% CI, 2.44-23.73); and lower GCS, OR 2.36 (95% CI, 1.05-5.30). No difference in outcome was observed between the 3 levels of care.ConclusionClinical characteristics and local practice patterns contribute to mTBI disposition decisions. Level of care was not associated with outcomes. Intracranial hemorrhage, GCS 13 to 14, skull fracture, and current antiplatelet/anticoagulant therapy influenced disposition decisions.Copyright © 2014 Elsevier Inc. All rights reserved.

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