• Am J Emerg Med · Jul 2018

    Multicenter Study

    Emergency department boarding and adverse hospitalization outcomes among patients admitted to a general medical service.

    • Kito Lord, Vivek Parwani, Andrew Ulrich, Emily B Finn, Craig Rothenberg, Beth Emerson, Alana Rosenberg, and Arjun K Venkatesh.
    • Department of Emergency Medicine, Yale University School of Medicine, New Haven, CT, United States. Electronic address: klord1@uthsc.edu.
    • Am J Emerg Med. 2018 Jul 1; 36 (7): 1246-1248.

    ObjectiveOvercrowding in the emergency department (ED) has been associated with patient harm, yet little is known about the association between ED boarding and adverse hospitalization outcomes. We sought to examine the association between ED boarding and three common adverse hospitalization outcomes: rapid response team activation (RRT), escalation in care, and mortality.MethodWe conducted an observational analysis of consecutive patient encounters admitted from the ED to the general medical service between February 2013 and June 2015. This study was conducted in an urban, academic hospital with an annual adult ED census over 90,000. We defined boarding as patients with greater than 4h from ED bed order to ED departure to hospital ward. The primary outcome was a composite of adverse outcomes in the first 24h of admission, including RRT activation, care escalation to intensive care, or in-hospital mortality.ResultsA total of 31,426 patient encounters were included of which 3978 (12.7%) boarded in the ED for 4h or more. Adverse outcomes occurred in 1.92% of all encounters. Comparing boarded vs. non-boarded patients, 41 (1.03%) vs. 244 (0.90%) patients experienced a RRT activation, 53 (1.33%) vs. 387 (1.42%) experienced a care escalation, and 1 (0.03%) vs.12 (0.04%) experienced unanticipated in-hospital death, within 24h of ED admission. In unadjusted analysis, there was no difference in the composite outcome between boarding and non-boarding patients (1.91% vs. 1.91%, p=0.994). Regression analysis adjusted for patient demographics, acuity, and comorbidities also showed no association between boarding and the primary outcome. A sensitivity analysis showed an association between ED boarding and the composite outcome inclusive of the entire inpatient hospital stay (5.8% vs. 4.7%, p=0.003).ConclusionWithin the first 24h of hospital admission to a general medicine service, adverse hospitalization outcomes are rare and not associated with ED boarding.Copyright © 2018 Elsevier Inc. All rights reserved.

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