Higher resuscitation guideline adherence in paramedics with use of real-time ventilation feedback during simulated out-of-hospital cardiac arrest : a randomised controlled trial

Lyngby, Rasmus Meyer, Clark, Lyra, Kjoelbye, Julie Samsoee, Oelrich, Roselil Maria, Silver, Annemarie, Christensen, Helle Collatz, Barfod, Charlotte, Lippert, Freddy, Nikoletou, Dimitra, Quinn, Tom and Folke, Fredrik (2021) Higher resuscitation guideline adherence in paramedics with use of real-time ventilation feedback during simulated out-of-hospital cardiac arrest : a randomised controlled trial. Resuscitation Plus, 5, p. 100082. ISSN (print) 2666-5204

Abstract

To investigate whether real-time ventilation feedback would improve provider adherence to ventilation guidelines. Non-blinded randomised controlled simulation trial. One Emergency Medical Service trust in Copenhagen. 32 ambulance crews consisting of 64 on-duty basic or advanced life support paramedics from Copenhagen Emergency Medical Service. Participant exposure to real-time ventilation feedback during simulated out-of-hospital cardiac arrest. The primary outcome was ventilation quality, defined as ventilation guideline-adherence to ventilation rate (8-10 bpm) and tidal volume (500-600 ml) delivered simultaneously. The intervention group performed ventilations in adherence with ventilation guideline recommendations for 75.3% (Interquartile range (IQR) 66.2%-82.9%) of delivered ventilations, compared to 22.1% (IQR 0%-44.0%) provided by the control group. When controlling for participant covariates, adherence to ventilation guidelines was 44.7% higher in participants receiving ventilation feedback. Analysed separately, the intervention group performed a ventilation guideline-compliant rate in 97.4% (IQR 97.1%-100%) of delivered ventilations, versus 66.7% (IQR 40.9%-77.9%) for the control group. For tidal volume compliance, the intervention group reached 77.5% (IQR 64.9%-83.8%) of ventilations within target compared to 53.4% (IQR 8.4%-66.7%) delivered by the control group. Real-time ventilation feedback increased guideline compliance for both ventilation rate and tidal volume (combined and as individual parameters) in a simulated OHCA setting. Real-time feedback has the potential to improve manual ventilation quality and may allow providers to avoid harmful hyperventilation. [Abstract copyright: © 2021 The Authors.]

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