• G Chelladurai, A M Noor Azhar, R Mohd Isa, A Bustam, R Ahmad, and M Munisamy.
• Hospital Ampang, Selangor, Malaysia.
• Med. J. Malaysia. 2020 Sep 1; 75 (5): 514-518.

IntroductionCardiopulmonary Resuscitation (CPR) remains the primary mechanism of resuscitation for cardiac arrest victims. However, the quality of delivery of CPR varies widely in different settings, possibly affecting patient outcomes. This study is aimed to determine the efficacy of an audio-visual (AV) CPR feedback device in improving the quality of CPR delivered by healthcare providers.MethodsThis pre-post, single-arm, quasi-experimental study randomly sampled 140 healthcare providers working in the Emergency Department of Hospital Ampang, Malaysia. Parameters of CPR quality, namely chest compression rate and depth were compared among participants when they performed CPR with and without an AV CPR feedback device. The efficacy of the AV CPR feedback device was assessed using the Chi-square test and Generalised Estimating Equations (GEE) models.ResultsThe use of an AV CPR feedback device increased the proportion of healthcare providers achieving recommended depth of chest compressions from 38.6% (95% Confidence Interval, 95%CI: 30.5, 47.2) to 85.0% (95%CI: 78.0, 90.5). A similar significant improvement from 39.3% (95%CI: 31.1, 47.9) to 86.4% (95%CI: 79.6, 91.6) in the recommended rate of chest compressions was also observed. Use of the AV CPR device significantly increased the likelihood of a CPR provider achieving recommended depth of chest compressions (Odds Ratio, OR=13.01; 95%CI: 7.12, 24.01) and rate of chest compressions (OR=13.00; 95%CI: 7.21, 23.44).ConclusionThe use of an AV CPR feedback device significantly improved the delivered rate and depth of chest compressions closer to American Heart Association (AHA) recommendations. Usage of such devices within real-life settings may help in improving the quality of CPR for patients receiving CPR.

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