Healthc Inform Res.  2019 Oct;25(4):274-282. 10.4258/hir.2019.25.4.274.

Effect of Watch-Type Haptic Metronome on the Quality of Cardiopulmonary Resuscitation: A Simulation Study

• Choi B
• Kim T
• Yoon SY
• Yoo JS
• Won HJ
• Kim K
• Kang EJ
• Yoon H
• Hwang SY
• Shin TG
• Sim MS
• Cha WC

• KMID: 2462225
• DOI: http://doi.org/10.4258/hir.2019.25.4.274

Abstract

OBJECTIVES
The aim of this study was to test the applicability of haptic feedback using a smartwatch to the delivery of cardiac compression (CC) by professional healthcare providers.
METHODS
A prospective, randomized, controlled, case-crossover, standardized simulation study of 20 medical professionals was conducted. The participants were randomly assigned into haptic-first and non-haptic-first groups. The primary outcome was an adequate rate of 100-120/min of CC. The secondary outcome was a comparison of CC rate and adequate duration between the good and bad performance groups.
RESULTS
The mean interval between CCs and the number of haptic and non-haptic feedback-assisted CCs with an adequate duration were insignificant. In the subgroup analysis, both the good and bad performance groups showed a significant difference in the mean CC interval between the haptic and non-haptic feedback-assisted CC groups"”good: haptic feedback-assisted (0.57-0.06) vs. non-haptic feedback-assisted (0.54-0.03), p < 0.001; bad: haptic feedback-assisted (0.57-0.07) vs. non-haptic feedback-assisted (0.58-0.18), p = 0.005"”and the adequate chest compression number showed significant differences"” good: haptic feedback-assisted (1,597/75.1%) vs. non-haptic feedback-assisted (1,951/92.2%), p < 0.001; bad: haptic feedbackassisted (1,341/63.5%) vs. non-haptic feedback-assisted (523/25.4%), p < 0.001.
CONCLUSIONS
A smartwatch cardiopulmonary resuscitation feedback system could not improve rescuers' CC rate. According to our subgroup analysis, participants might be aided by the device to increase the percentage of adequate compressions after one minute.

Keyword

Smartphone; Cardiopulmonary Resuscitation; Heart Massage; Feedback; Simulation Training

MeSH Terms

Cardiopulmonary Resuscitation*
Health Personnel
Heart Massage
Humans
Prospective Studies
Simulation Training
Smartphone
Thorax

Figure

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  Figure 1 CONSORT flow diagram for the study.

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  Figure 2 The smartwatch screen displays the rate of 110/min.

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  Figure 3 Comparison of the timeline graphs of cardiac compressions (CCs) in each participant and the fitted values of the haptic and non-haptic feedback-assisted CCs.

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  Figure 4 Comparison of the timeline graphs of cardiac compressions (CCs) in each participant and the fitted values of the good and bad performance groups between the haptic and non-haptic feedback-assisted CCs.

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