• Guyon J Hill, Michael D April, Joseph K Maddry, and Steven G Schauer.
• Madigan Army Medical Center, Joint Base Lewis-McChord, WA, United States of America; Dell Children's Medical Center, Austin, TX, United States of America. Electronic address: guyon.j.hill.mil@mail.mil.
• Am J Emerg Med. 2019 Aug 1; 37 (8): 1455-1459.

BackgroundHead injuries frequently occur in combat. Tactical Combat Casualty Care (TCCC) guidelines recommend pre-hospital use of ketamine for analgesia. Yet the use of this medication in patients with head injuries remains controversial, particularly among pediatric patients. We compare survival to hospital discharge rates among pediatric head injury subjects who received prehospital ketamine versus those who did not.MethodsWe queried the Department of Defense Trauma Registry (DODTR) for all pediatric (<18 years of age) subjects from January 2007 to January 2016. We performed a sub-analysis of subjects with an abbreviated injury severity score for the head of 3 (serious) or higher and at least one documented Glasgow Coma Score (GCS) ≤13.ResultsOf the 3439 pediatric patients within our dataset, 555 subjects met inclusion criteria for head injury - 36 (6.5%) received prehospital ketamine versus 519 (93.5%) who did not. There was no significant difference noted between groups regarding median age (10 versus 8, p = 0.259), percent male gender (72.2% versus 76.3%, p = 0.579), mechanism of injury (p = 0.143), median composite injury scores (22 versus 20, p = 0.082), median ventilator-free days (28 versus 27, p = 0.068), median ICU-free days (27.5 versus 27, p = 0.767), median hospital days (3.5 versus 4, p = 0.876) or survival to discharge (66.7% versus 70.7%, p = 0.607).ConclusionsWithin this data set, we were unable to detect any differences in mortality among pediatric head trauma subjects administered ketamine compared to subjects not receiving this medication in the prehospital setting.Published by Elsevier Inc.

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