• Journal of critical care · Dec 2020

    Randomized Controlled Trial

    The effect of small versus large clog size on emergency response time: A randomized controlled trial.

    • ElbersPaul W GPWGDepartment of Intensive Care Medicine, Amsterdam Medical Data Science (AMDS), Amsterdam Cardiovascular Sciences (ACS), Amsterdam Infection and Immunity Institute (AI&II), Amsterdam UMC, Vrije Universiteit, Amsterdam, the Netherlands. Elec, Harm-Jan de Grooth, and GirbesArmand R JARJDepartment of Intensive Care Medicine, Amsterdam Medical Data Science (AMDS), Amsterdam Cardiovascular Sciences (ACS), Amsterdam Infection and Immunity Institute (AI&II), Amsterdam UMC, Vrije Universiteit, Amsterdam, the Netherlands..
    • Department of Intensive Care Medicine, Amsterdam Medical Data Science (AMDS), Amsterdam Cardiovascular Sciences (ACS), Amsterdam Infection and Immunity Institute (AI&II), Amsterdam UMC, Vrije Universiteit, Amsterdam, the Netherlands. Electronic address: p.elbers@amsterdamumc.nl.
    • J Crit Care. 2020 Dec 1; 60: 116-119.

    ObjectivesTo assess the effect on healthcare professional emergency response time and safety of small compared to large clog size.DesignRandomized controlled trial.SettingThe intensive care unit of a single university medical centre in The Netherlands.ParticipantsIntensive care medicine professionals.InterventionsParticipants were randomized to wear European size 38 clogs (US male size 6½, US female size 7½) or European size 47 clogs (US male size 13½, US female size 14½) clogs and were required to run a 125 m course from the coffee break room to the elevator providing access to the emergency department.Main Outcome MeasuresThe primary outcome was the time to complete the running course. Height, shoe size, self-described fitness, age and staff category were investigated as possible effect modifiers. Secondary endpoints were reported clog comfort and suspected unexpected clog-related adverse events (SUCRAEs).Results50 participants were randomized (25 to European size 38 clogs and 25 to size 47 clogs). Mean age was 37 years (SD 12) and 29 participants (58%) were female. The primary outcome was 4.4 s (95% CI -7.1; -1.6) faster in the size 5 clogs group compared to the size 12 clogs group. This effect was not modified by any of the predefined participant characteristics. No differences were found in reported clog comfort or SUCRAEs.ConclusionsEuropean size 38 clogs lead to faster emergency response times than size 47 clogs.Trial RegistrationNCT04406220.Copyright © 2020 Elsevier Inc. All rights reserved.

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