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A Randomised tRial of Expedited transfer to a cardiac arrest centre for non-ST elevation ventricular fibrillation out-of-hospital cardiac arrest: The ARREST pilot randomised trial

Research output: Contribution to journalArticle

Tiffany Patterson, Gavin D. Perkins, Jubin Joseph, Karen Wilson, Laura Van Dyck, Steven Roberston, Hanna Nguyen, Hannah McConkey, Mark Whitbread, Rachael Fothergill, Joanne Nevett, Miles Dalby, Roby Rakhit, Philip MacCarthy, Divaka Perera, Jerry P. Nolan, Simon R. Redwood

Original languageEnglish
Pages (from-to)185-191
JournalResuscitation
Volume115
Early online date4 Feb 2017
DOIs
Publication statusPublished - Jun 2017

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Abstract

Background Wide variation exists in inter-hospital survival from out-of-hospital cardiac arrest (OHCA). Regionalisation of care into cardiac arrest centres (CAC)may improve this. We report a pilot randomised trial of expedited transfer to a CAC following OHCA without ST-elevation.The objective was to assess the feasibility of performing a large-scale randomised controlled trial. Methods Adult witnessed ventricular fibrillation OHCA of presumed cardiac cause were randomised 1:1 to either: 1) treatment: comprising expedited transfer to a CAC for goal-directed therapy including access to immediate reperfusion, or 2) control: comprising current standard of care involving delivery to the geographically closest hospital. The feasibility of randomisation, protocol adherence and data collection of the primary (30-day all-cause mortality) and secondary (cerebral performance category (CPC)) and in-hospital major cardiovascular and cerebrovascular events (MACCE)) clinical outcome measures were assessed. Results Between November 2014 and April 2016, 118 cases were screened, of which 63 patients (53%) met eligibility criteria and 40 of the 63 patients (63%) were randomised. There were no protocol deviations in the treatment arm. Data collection of primary and secondary outcomes was achieved in 83%. There was no difference in baseline characteristicsbetween the groups: 30-day mortality (Intervention 9/18, 50% vs. Control 6/15, 40%; P = 0.73), CPC 1/2 (Intervention: 9/18, 50% vs. Control 7/14, 50%; P > 0.99) or MACCE (Intervention: 9/18, 50% vs. Control 6/15, 40%; P = 0.73). Conclusions These findings support the feasibility and acceptability of conducting a large-scale randomised controlled trial of expedited transfer to CAC following OHCA to address a remaining uncertainty in post-arrest care.

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