• Resuscitation · May 2017

    Review

    Systematic review of the effectiveness of prehospital critical care following out-of-hospital cardiac arrest.

    • Johannes von Vopelius-Feldt, Janet Brandling, and Jonathan Benger.
    • Academic Emergency Department, University Hospitals Bristol NHS Foundation Trust, Upper Maudlin Way, BS2 8HW Bristol, United Kingdom. Electronic address: johannes.vonvopelius-feldt@uwe.ac.uk.
    • Resuscitation. 2017 May 1; 114: 40-46.

    BackgroundImproving survival after out-of-hospital cardiac arrest (OHCA) is a priority for modern emergency medical services (EMS) and prehospital research. Advanced life support (ALS) is now the standard of care in most EMS. In some EMS, prehospital critical care providers are also dispatched to attend OHCA. This systematic review presents the evidence for prehospital critical care for OHCA, when compared to standard ALS care.MethodsWe searched the following electronic databases: PubMed, EmBASE, CINAHL Plus and AMED (via EBSCO), Cochrane Database of Systematic Reviews, DARE, Cochrane Central Register of Controlled Trials, NHS Economic Evaluation Database, NIHR Health Technology Assessment Database, Google Scholar and ClinicalTrials.gov. Search terms related to cardiac arrest and prehospital critical care. All studies that compared patient-centred outcomes between prehospital critical care and ALS for OHCA were included.ResultsThe review identified six full text publications that matched the inclusion criteria, all of which are observational studies. Three studies showed no benefit from prehospital critical care but were underpowered with sample sizes of 1028-1851. The other three publications showed benefit from prehospital critical care delivered by physicians. However, an imbalance of prognostic factors and hospital treatment in these studies systematically favoured the prehospital critical care group.ConclusionCurrent evidence to support prehospital critical care for OHCA is limited by the logistic difficulties of undertaking high quality research in this area. Further research needs an appropriate sample size with adjustments for confounding factors in observational research design.Copyright © 2017 Elsevier B.V. All rights reserved.

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