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Comparison of chest compression interruption times across 2 automated devices: a randomized, crossover simulation
Jamie L Estock1, Holly K Curinga2, Airan Li1
1Center for Medical Product End-user Testing, VA Pittsburgh Healthcare System, Pittsburgh, PA.
The American Journal of Emergency Medicine
|October 17, 2015
Summary
Automated chest compression (ACC) devices were compared for interruption time. AutoPulse showed significantly shorter application and removal times than LUCAS 2, though both exceeded American Heart Association recommendations.
Area of Science:
- Emergency Medicine
- Cardiopulmonary Resuscitation
- Medical Device Technology
Background:
- Minimizing chest compression interruptions is critical during cardiopulmonary resuscitation (CPR).
- Automated chest compression (ACC) devices aim to maintain continuous compressions.
- Comparing the efficiency of different ACC devices is essential for optimizing resuscitation protocols.
Purpose of the Study:
- To compare chest compression interruption times for applying, adjusting, and removing two distinct ACC devices.
- To evaluate the performance of AutoPulse and LUCAS 2 under standardized resuscitation conditions.
Main Methods:
- Twenty-nine healthcare professionals participated in simulated cardiac arrest scenarios.
- Participants used both AutoPulse and LUCAS 2 devices on a manikin, with randomized device presentation.
- Chest compression interruption times were measured for device application, adjustment, and removal.
Main Results:
- AutoPulse demonstrated significantly shorter mean interruption times for device application (31.6s vs 39.1s) and removal (6.5s vs 10.1s) compared to LUCAS 2.
- No significant difference was found in interruption times for device adjustment between the two devices.
- Both devices required longer interruption times for application than recommended by the American Heart Association.
Conclusions:
- The AutoPulse device trended favorably in reducing chest compression interruption times during application and removal compared to LUCAS 2.
- Application interruption times for both ACC devices exceeded the maximum recommended by the American Heart Association.
- Further research may be needed to optimize ACC device integration into CPR protocols to minimize all interruptions.

