• Dailys Garcia-Jorda, Andrew Walker, Jenna Camphaug, Wendy Bissett, Tanya Spence, Dori-Ann Martin, Yiqun Lin, Adam Cheng, Meagan Mahoney, and Elaine Gilfoyle.
• Department of Pediatrics, Cumming School of Medicine, University of Calgary, 2888 Shaganappi Trail NW, Calgary, AB T3B 6A8, Canada. Electronic address: dailys.garciajorda@ucalgary.ca.
• J Crit Care. 2019 Apr 1; 50: 132-137.

PurposeTo assess the effects of a real-time feedback device and refresher sessions in acquiring and retaining chest compression skills.MethodsHealthcare providers participated in refresher sessions at 3-time points (blocks) over 1-year. At each block, chest compression (CC) skills were assessed on an infant and adult task trainer, in one 2-min trial without feedback (blinded), and up to three 2-min trials with feedback (unblinded). Skills retention over time was explored at three time lags: 1-3, 3-6, >6 months. Data collected included chest compression rate (100-120/min), depth (4 cm for infants and 5 cm for adults), and recoil between compressions.ResultsAmong 194 participants, achievement of excellent CC (≥90% of adequate compressions for all parameters) increased with feedback. Linear mixed models found significant (p < 0.05) improvement in rate, depth, and recoil. Performance between last unblinded trial in block 1 with the following blinded trial in block 2 significantly decayed in rate on both task trainers irrespective of time passed, while depth and recoil performance were maintained only for infants.ConclusionsA real-time visual feedback device improved CC skills with better results in infants. Skills decayed over time despite two refresher sessions with feedback.Copyright © 2018 Elsevier Inc. All rights reserved.

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