• Tsuyoshi Mitarai, Alexandra June Gordon, Matthew J R Nudelman, Alfredo E Urdaneta, Jason Lawrence Nesbitt, Kian Niknam, Anna Graber-Naidich, Jennifer G Wilson, and Michael A Kohn.
• Department of Emergency Medicine, Stanford University School of Medicine, Stanford, CA.
• Crit. Care Med. 2023 Jun 1; 51 (6): 731741731-741.

ObjectivesTo determine whether implementation of an Emergency Critical Care Program (ECCP) is associated with improved survival and early downgrade of critically ill medical patients in the emergency department (ED).DesignSingle-center, retrospective cohort study using ED-visit data between 2015 and 2019.SettingTertiary academic medical center.PatientsAdult medical patients presenting to the ED with a critical care admission order within 12 hours of arrival.InterventionsDedicated bedside critical care for medical ICU patients by an ED-based intensivist following initial resuscitation by the ED team.Measurements And Main ResultsPrimary outcomes were inhospital mortality and the proportion of patients downgraded to non-ICU status while in the ED within 6 hours of the critical care admission order (ED downgrade <6 hr). A difference-in-differences (DiD) analysis compared the change in outcomes for patients arriving during ECCP hours (2 pm to midnight, weekdays) between the preintervention period (2015-2017) and the intervention period (2017-2019) to the change in outcomes for patients arriving during non-ECCP hours (all other hours). Adjustment for severity of illness was performed using the emergency critical care Sequential Organ Failure Assessment (eccSOFA) score. The primary cohort included 2,250 patients. The DiDs for the eccSOFA-adjusted inhospital mortality decreased by 6.0% (95% CI, -11.9 to -0.1) with largest difference in the intermediate illness severity group (DiD, -12.2%; 95% CI, -23.1 to -1.3). The increase in ED downgrade less than 6 hours was not statistically significant (DiD, 4.8%; 95% CI, -0.7 to 10.3%) except in the intermediate group (DiD, 8.8%; 95% CI, 0.2-17.4).ConclusionsThe implementation of a novel ECCP was associated with a significant decrease in inhospital mortality among critically ill medical ED patients, with the greatest decrease observed in patients with intermediate severity of illness. Early ED downgrades also increased, but the difference was statistically significant only in the intermediate illness severity group.Copyright © 2023 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the Society of Critical Care Medicine and Wolters Kluwer Health, Inc.

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