Abstract
Background: The European Resuscitation Council (ERC) 2015 basic life support (BLS) algorithm has been simplified compared with the ERC 2010 BLS algorithm. Simplification of resuscitation guidelines may facilitate learning and improve guidelines adherence. This study aimed to study BLS performance using ERC 2015 compared with ERC 2010 guidelines. Methods: This is an observational study including video recordings of laypersons being skill tested after participation in a standardized ERC BLS/AED course using either the simplified ERC 2015 or ERC 2010 guidelines. The endpoints were 1) performing all steps of the BLS/AED algorithm correctly, 2) remembering the sequence of actions of the BLS/AED algorithm, 3) time to emergency medical service call, 4) time to first chest compression and 5) time to first shock. Results: We analyzed videos of 100 laypersons (50 trained using the simplified 2015 guidelines and 50 trained using the 2010 guidelines). Overall, 78% and 62% correctly performed all of the steps of the 2015 and 2010 guidelines respectively (p=0.08), whereas 94% and 82% remembered the correct sequence of actions of the 2015 and 2010 algorithms, respectively (p=0.06). There was no significant difference between participants following the 2015 vs 2010 algorithms with respect to time to emergency medical service call (difference: 0 sec, (95% confidence interval (CI): -3; 2) P=0.70), time to first chest compression (difference: 0 sec, (95% CI: -3;3) P=1.00), and time to first shock (difference: 0 sec, (95% CI: -6; 7) P=0.90). Conclusion: Laypersons tends to better perform resuscitation and adhere to the BLS algorithm when using the simplified ERC 2015 guidelines compared to the 2010 Guidelines. There were however no differences in time to emergency medical service call, time to first chest compression and shock delivery.
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