Journal
ANNALS ACADEMY OF MEDICINE SINGAPORE
Volume 50, Issue 3, Pages 212-221Publisher
ACAD MEDICINE SINGAPORE
DOI: 10.47102/annals-acadmedsg.2020458
Keywords
Bystander CPR; community responders; out-of-hospital cardiac arrest; pre-hospital care
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Bystander cardiopulmonary resuscitation (B-CPR) rates in Singapore have been increasing with the implementation of community-level interventions such as dispatcher-assisted CPR (DA-CPR) and myResponder. DA-CPR was significantly associated with improved odds of receiving B-CPR over time, while the impact of myResponder was less clear.
Introduction: Bystander cardiopulmonary resuscitation (B-CPR) is associated with improved out-of-hospital cardiac arrest survival. Community-level interventions including dispatcher-assisted CPR (DA-CPR) and myResponder were implemented to increase B-CPR. We sought to assess whether these interventions increased B-CPR. Methods: The Singapore out-of-hospital cardiac arrest registry captured cases that occurred between 2010 and 2017. Outcomes occurring in 3 time periods (Baseline, DA-CPR, and DA-CPR plus myResponder) were compared. Segmented regression of time-series data was conducted to investigate our intervention impact on the temporal changes in B-CPR. Results: A total of 13,829 out-of-hospital cardiac arrest cases were included from April 2010 to December 2017. Higher B-CPR rates (24.8% versus 50.8% vs 64.4%) were observed across the 3 time periods. B-CPR rates showed an increasing but plateauing trend. DA-CPR implementation was significantly associated with an increased B-CPR (level odds ratio [OR] 2.26, 95% confidence interval [CI] 1.79-2.88; trend OR 1.03, 95% CI 1.01-1.04), while no positive change was detected with myResponder (level OR 0.95, 95% CI 0.82-1.11; trend OR 0.99, 95% CI 0.98-1.00). Conclusion: B-CPR rates in Singapore have been increasing alongside the implementation of community-level interventions such as DA-CPR and myResponder. DA-CPR was associated with improved odds of receiving B-CPR over time while the impact of myResponder was less clear.
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