• Resuscitation · Jan 2024

    Out-of-Hospital Cardiac Arrest Outcomes when Law Enforcement Arrives Before Emergency Medical Services.

    • Joshua R Lupton, Erika Johnson, Brian Prigmore, Mohamud R Daya, Jonathan Jui, Kathryn Thompson, Jack Nuttall, Matthew R Neth, Ritu Sahni, and Craig D Newgard.
    • Department of Emergency Medicine, Oregon Health & Science University, USA. Electronic address: lupton@ohsu.edu.
    • Resuscitation. 2024 Jan 1; 194: 110044110044.

    BackgroundLaw enforcement (LE) professionals are often dispatched to out-of-hospital cardiac arrests (OHCA) to provide early cardiopulmonary resuscitation (CPR) and automated external defibrillator (AED) application with mixed evidence of a survival benefit. Our objective was to comprehensively evaluate LE care in OHCA.MethodsThis is a secondary analysis of adults with non-traumatic OHCA not witnessed by EMS and without bystander AED use from 2018-2021. Our primary outcome was survival with Cerebral Perfusion Category score ≤ 2 (functional survival). Our exposures included: LE On-scene Only (without providing care); LE CPR Only (without applying an AED); LE Ideal Care (ensuring CPR and AED application). Our control group had no LE arrival before EMS. We performed multivariable logistic regression analyses adjusting for confounders and stratified our analyses by patients with and without bystander CPR.ResultsThere were 2569 adult, non-traumatic OHCAs from 2018-2021 meeting inclusion criteria. There were no differences in the odds of functional survival for LE On-scene Only (adjusted odds ratio [95% CI]: 1.28 [0.47-3.45]), LE CPR Only (1.26 [0.80-1.99]), or LE Ideal Care (1.36 [0.79-2.33]). In patients without bystander CPR, LE Ideal Care had significantly higher odds of functional survival (2.01 [1.06-3.81]) compared to no LE on-scene, with no significant associations for LE On-scene Only or LE CPR Only. There were no significant differences by LE care in patients already receiving bystander CPR.ConclusionsLE arrival before EMS and ensuring both CPR and AED application is associated with significantly improved functional survival in OHCA patients not already receiving bystander CPR.Copyright © 2023 Elsevier B.V. All rights reserved.

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