• J J Bazarian, J McClung, Y T Cheng, W Flesher, and S M Schneider.
• Department of Emergency Medicine, University of Rochester Medical Center, Rochester, NY 14642, USA. jeff_bazarian@urmc.rochester.edu
• Emerg Med J. 2005 Jul 1; 22 (7): 473-7.

ObjectiveTo describe the emergency department (ED) management of isolated mild traumatic brain injury (TBI) in the USA and to examine variation in care across age and insurance types.MethodsA secondary analysis of ED visits for isolated mild TBI in the National Hospital Ambulatory Medical Care Survey 1998-2000 was performed. Mild TBI was defined by International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9) codes for skull fracture, concussion, intracranial injury (unspecified), and head injury (unspecified). Available ED care variables were analysed by patient age and insurance categories using multivariate logistic regression.ResultsThe incidence of isolated mild TBI cases attending ED was 153,296 per year, or 56.4/100,000 people. Of the patients with isolated mild TBI, 44.3% underwent computed tomography, 23.9% underwent other non-extremity, non-chest x rays, 17.1% received wound care and 14.1% received intravenous fluids. However, only 43.8% had an assessment of pain. Of those with documented pain, only 45.5% received analgesics in the ED. Nearly 38% were discharged without recommendations for specific follow up. Several aspects of ED care varied by age but not by insurance type.ConclusionSubstantial ED resources are devoted to the care of isolated mild TBI. The present study identified deficiencies in and variation around several important aspects of ED care. The development of guidelines specific for mild TBI could reduce variation and improve emergency care for this injury.

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