A comparison of the universal TOR Guideline to the absence of prehospital ROSC and duration of resuscitation in predicting futility from out-of-hospital cardiac arrest

Abstract Introduction The Universal Termination of Resuscitation (TOR) Guideline accurately identifies potential out-of-hospital cardiac arrest (OHCA) survivors. However, implementation is inconsistent with some Emergency Medical Service (EMS) agencies using absence of return of spontaneous circulat...

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Bibliographic Details
Published in:Resuscitation 2017-02, Vol.111, p.96-102
Main Authors: Drennan, Ian R, Case, Erin, Verbeek, P. Richard, Reynolds, Joshua C, Goldberger, Zachary D, Jasti, Jamie, Charleston, Mark, Herren, Heather, Idris, Ahamed H, Leslie, Paul R, Austin, Michael A, Xiong, Yan, Schmicker, Robert H, Morrison, Laurie J
Format: Article
Language:English
Subjects:
Aged
Cardiopulmonary resuscitation
Cardiopulmonary Resuscitation - standards
Emergency
Emergency Medical Services
Emergency Medical Services - standards
Female
Heart arrest
Humans
Male
Middle Aged
Out-of-Hospital Cardiac Arrest - surgery
Out-of-Hospital Cardiac Arrest - therapy
Practice Guidelines as Topic
Retrospective Studies
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Summary:Abstract Introduction The Universal Termination of Resuscitation (TOR) Guideline accurately identifies potential out-of-hospital cardiac arrest (OHCA) survivors. However, implementation is inconsistent with some Emergency Medical Service (EMS) agencies using absence of return of spontaneous circulation (ROSC) as sole criterion for termination. Objective To compare the performance of the Universal TOR Guideline with the single criterion of no prehospital ROSC. Second, to determine factors associated with survival for patients transported without a ROSC. Lastly, to compare the impact of time to ROSC as a marker of futility to the Universal TOR Guideline. Design Retrospective, observational cohort study. Participants Non-traumatic, adult (≥18 years) OHCA patients of presumed cardiac etiology treated by EMS providers. Setting ROC-PRIMED and ROC-Epistry post ROC-PRIMED databases between 2007 and 2011. Outcomes Primary outcome was survival to hospital discharge and the secondary outcome was functional survival. We used multivariable regression to evaluate factors associated with survival in patients transported without a ROSC. Results 36,543 treated OHCAs occurred of which 9467 (26%) were transported to hospital without a ROSC. Patients transported without a ROSC who met the Universal TOR Guideline for transport had a survival of 3.0% (95% CI 2.5–3.4%) compared to 0.7% (95% CI 0.4–0.9%) in patients who met the Universal TOR Guideline for termination. The Universal TOR Guideline identified 99% of survivors requiring continued resuscitation and transportation to hospital including early identification of survivors who sustained a ROSC after extended durations of CPR. Conclusion Using absence of ROSC as a sole predictor of futility misses potential survivors. The Universal TOR Guideline remains a strong predictor of survival.
ISSN:0300-9572
1873-1570
DOI:10.1016/j.resuscitation.2016.11.021