• Bradley A Dengler, Sonia Plaza-Wüthrich, Robert C Chick, Mark T Muir, and Viktor Bartanusz.
• Department of Neurosurgery, Walter Reed National Military Medical Center, Bethesda, Maryland.
• Neurosurgery. 2020 Mar 1; 86 (3): 374-382.

BackgroundSecondary overtriage is a problematic phenomenon because it creates unnecessary expense and potentially results in the mismanagement of healthcare resources. The rates of secondary overtriage among patients with complicated mild traumatic brain injury (cmTBI) are unknown.ObjectiveTo determine the rate of secondary overtriage among patients with cmTBI using the institutional trauma registry.MethodsAn observational study using retrospective analysis of 1447 hospitalizations including all consecutive patients with cmTBI between 2004 and 2013. Data on age, sex, race/ethnicity, insurance status, GCS, Injury Severity Score (ISS), Trauma Injury Severity Score, transfer mode, overall length of stay (LOS), LOS within intensive care unit, and total charges were collected and analyzed.ResultsOverall, the rate of secondary overtriage among patients with cmTBI was 17.2%. These patients tended to be younger (median: 41 vs 60.5 yr; P < .001), have a lower ISS (9 vs 16; P < .001), and were more likely to be discharged home or leave against medical advice.ConclusionOur findings provide evidence to the growing body of literature suggesting that not all patients with cmTBI need to be transferred to a tertiary care center. In our study, these transfers ultimately incurred a total cost of $13 294 ($1337 transfer cost) per patient.Copyright © 2019 by the Congress of Neurological Surgeons.

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