• Tarannum M Lateef, Rebecca Kriss, and Karin B Nelson.
• Inova Fairfax Hospital for Children, Falls Church, VA 22042, USA. tlateef@childrensnational.org
• Am J Emerg Med. 2012 Oct 1;30(8):1507-14.

Main ObjectiveThe objective of this study is to describe the use of emergent head computed tomography (CT) in young children and ask in which circumstances scans contributed to immediate management.MethodsWe reviewed electronic records of children, aged 1 month through 6 years, who received a head CT at a large suburban emergency department between February 2008 and February 2009. Age, sex, chief complaint, history, physical examination, indication for and results of head CT, red flags in history or physical examination, final disposition, and number of head CT scans performed to date were recorded. Abnormalities on CT scans were classified as significant or incidental, and subsequent interventions were documented.ResultsEmergent head CTs were performed on 394 children. The most common indications were trauma, 65%; seizure, 11%; and headache, 6%. Computed tomographic abnormalities were found in 40% (154 children): 32 significant findings,104 incidental findings, and 22 preexisting abnormalities. Four children with significant findings required immediate intervention. They all had red flags in both history and physical examination, and 3 of 4 children had known preexisting pathology; 1 child had nonaccidental trauma. Only 1 child had a significantly abnormal CT with no identifiable red flags; this child was admitted for observation and was discharged within 24 hours. Approximately a third of children had no readily identifiable red flag for the CT scans that they received. Of note, 20% of the young children had received more than 1 head CT scan to date, and 6% had between 6 and 20 scans.ConclusionsEvery child in this sample who required emergency intervention had red flags on history and physical examination. The 35% of CT scans performed in young children without red flags did not contribute usefully to their acute management.Copyright © 2012. Published by Elsevier Inc.

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