Impact of smartphone activated first responders on provision of bystander CPR, bystander AED and outcomes for out-of-hospital cardiac arrest (OHCA)
Abstract
BACKGROUND
The smartphone application to activate a community first responder (myResponder) was launched in 2015 to activate volunteer first responders for Out-of-Hospital Cardiac Arrest (OHCA) patients in Singapore. This study aimed to investigate the impact of myResponder on provision of bystander CPR, bystander AED, and patient survival outcomes.
METHODS
This was a retrospective analysis using the Singapore Pan-Asian Resuscitation Outcomes Study between 2016 and 2019 that included adult non-traumatic OHCA patients. Patients were categorized into myResponder activated and non-activated groups. The primary outcomes were bystander CPR and bystander AED. The secondary outcome was survival at 30-days with favourable neurological outcomes (cerebral performance category 1-2). A multivariable logistic regression analysis was performed and we reported adjusted odds ratio [aOR] and 95% confidence interval for the effect of activation.
RESULTS
9,167 patients were included in this analysis. The median (Interquartile range, IQR) age was 71 (59-82) years. The activated group comprised 5,499 (60%) of cases. The activated group was associated with higher bystander CPR (aOR [95%CI]: 5.69 [4.89-6.62]) and bystander AED (aOR [95% CI]: 2.23 [1.82-2.74]) compared to non-activated group. The activated group was associated with better survival at 30 days with favourable neurological outcomes (aOR [95% CI]: 1.54 [1.11-2.15]).
CONCLUSION
We found that the implementation of technology-activated…
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