• Laura D Wilson, Amelia W Maiga, Sarah Lombardo, Mina F Nordness, Diane N Haddad, Shayan Rakhit, Laney F Smith, Erika L Rivera, Madison R Cook, Jennifer L Thompson, Rameela Raman, and Mayur B Patel.
• Oxley College of Health Sciences, Communication Sciences, and Disorders, The University of Tulsa, Tulsa, OK, USA.
• Neurocrit Care. 2023 Jun 1; 38 (3): 752760752-760.

BackgroundDelirium remains understudied after traumatic brain injury (TBI). We sought to identify independent predictors of delirium among intensive care unit (ICU) patients with TBI.MethodsThis single-center retrospective cohort study evaluated adult patients with TBI requiring ICU admission. Outcomes included delirium days within the first 14 days, as assessed by the Confusion Assessment Method-ICU (CAM-ICU). Models were adjusted for age, sex, insurance, Marshall head computed tomography classification, presence of subarachnoid hemorrhage (SAH), Injury Severity Score (ISS), need for cardiopulmonary resuscitation, maximum admission Glasgow Coma motor score, glucose level, hemoglobin level, and pupil reactivity.ResultsDelirium prevalence was 60%, with a median duration of 4 days (interquartile range: 2-8) among ICU patients with TBI (n = 2,664). Older age, higher ISS, maximum motor score < 6, Marshall class II-IV, and SAH were associated with risk of increased delirium duration (all p < 0.001).ConclusionsIn this large cohort, ICU delirium after TBI affected three of five patients for a median duration of 4 days. Age, general injury severity, motor score, and features of intracranial hemorrhage were predictive of more TBI-associated delirium days. Given the high prevalence of ICU delirium after TBI and its impact on hospitalization, further work is needed to understand the impact of delirium and TBI on outcomes and to determine whether delirium risk can be minimized.© 2023. This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply.

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