Impact of a Smart-Ring-Based Feedback System on the Quality of Chest Compressions in Adult Cardiac Arrest: A Randomized Preliminary Study

Chiwon Ahn, Seungjae Lee, Jongshill Lee, Jaehoon Oh, Yeongtak Song, In Young Kim and Hyunggoo Kang
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Chiwon Ahn: Department of Emergency Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea
Seungjae Lee: Department of Biomedical Engineering, Hanyang University, Seoul 04763, Korea
Jongshill Lee: Department of Biomedical Engineering, Hanyang University, Seoul 04763, Korea
Jaehoon Oh: Department of Emergency Medicine, College of Medicine, Hanyang University, Seoul 04763, Korea
Yeongtak Song: Department of Emergency Medicine, College of Medicine, Hanyang University, Seoul 04763, Korea
In Young Kim: Department of Biomedical Engineering, Hanyang University, Seoul 04763, Korea
Hyunggoo Kang: Department of Emergency Medicine, College of Medicine, Hanyang University, Seoul 04763, Korea

IJERPH, 2021, vol. 18, issue 10, 1-9

Abstract: This study aimed to assess the effectiveness of a novel chest compression (CC) smart-ring-based feedback system in a manikin simulation. In this randomized, crossover, controlled study, we evaluated the effect of smart-ring CC feedback on cardiopulmonary resuscitation (CPR). The learnability and usability of the tool were evaluated with the System Usability Scale (SUS). Participants were divided into two groups and each performed CCs with and without feedback 2 weeks apart, using different orders. The primary outcome was compression depth; the proportion of accurate-depth (5–6 cm) CCs, CC rate, and the proportion of complete CCs (?1 cm of residual leaning) were assessed additionally. The feedback group and the non-feedback group showed significant differences in compression depth (52.1 (46.3–54.8) vs. 47.1 (40.5–49.9) mm, p = 0.021). The proportion of accurate-depth CCs was significantly higher in the interventional than in the control condition (88.7 (30.0–99.1) vs. 22.6 (0.0–58.5%), p = 0.033). The mean SUS score was 83.9 ± 8.7 points. The acceptability ranges were ‘acceptable’, and the adjective rating was ‘excellent’. CCs with smart-ring feedback could help achieve the ideal range of depth during CPR. The smart-ring may be a valuable source of CPR feedback.

Keywords: cardiopulmonary resuscitation; heart arrest; smart-ring; chest compression; feedback; simulation (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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