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KMID : 1140520220260020097
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Korean Journal of Emergency Medical Services
2022 Volume.26 No. 2 p.97 ~ p.111
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Factors influencing success and safety of AED retrieval in out of hospital cardiac arrests in Singapore
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You Jonathan Shen
Shun Reuben Jia
Yong Jae
Yng Yih
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Abstract
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Purpose: Automated External Defibrillator (AED) usage in out-of-hospital cardiac arrests (OHCAs) improves the survival of patients. In Singapore, public AEDs are protected by locked boxes with a ‘break glass’ mechanism to deter theft. Community responders have sustained injuries while breaking glass to retrieve AEDs. This unprecedented study aimed to elucidate the factors influencing successful retrieval of an AED and to document the prevalence of injuries.
Methods: A survey was created and distributed. Participants were required to have responded to an OHCA in the past 12 months. Comparison tests were performed with the Fischer-Freeman-Halton Exact test or Pearson chi square test at 5% significance levels, and with multiple logistic regression with a logit link function.
Results: Eighty-eight participants were eligible. The success of retrieving an AED was found not to be impacted by occupation, age, gender or time. Participants who responded to an OHCA because of activation by the myResponder App were more likely to retrieve an AED successfully. (AOR 11.111, 95% CI: 2.141-58.824)
Conclusion: Use of the myResponder mobile application is associated with the greater success of retrieving an AED. Successful retrieval of an AED is not impacted by time, gender, age, or the occupation of the responder. Community responders in Singapore remain motivated to respond to Cardiac Arrests despite risk of injury.
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KEYWORD
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Automated external defibrillators, Out-of-hospital Cardiac arrest, Mobile applications, Cardiopulmonary resuscitation
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