Abstract 231: Single Bystander CPR Performance During Drone AED Delivery for Simulated Out of Hospital Cardiac Arrest
Drones have great potential to speed the delivery of AEDs in the critical first few minutes of OHCA. However, it is unclear whether bystanders can balance high-quality cardiopulmonary resuscitation (CPR) with AED deployment. The 2015 AHA CPR guidelines recommend a chest compression (cc) rate of 100-120/minute, cc depth of 50-60mm, and cc fraction of >60%.
We performed mock cardiac arrest simulations using bystander volunteers, including simulated 911 call, telephone-assisted dispatcher CPR instructions, bystander CPR, drone-delivered AED, and AED application. CPR performance was recorded by a Laerdal Resusci Anne Quality Feedback System and compared between two groups of participants: recent CPR training (<2 years) versus remote (>2 years) or no CPR training. Prior data had shown CPR skill degradation after 2 years. Chi-squared tests compared demographics; T-tests compared age and CPR performance data.
Between 9/2019-3/2020, 5 simulations were conducted with 51 participants. The mean age was 39.7 years, 56.9% were female, and 78.4% had a college or graduate degree. Racial/ethnic makeup consisted of 64.7% White, 15.7% African-American, 15.7% Asian, and 11.8% Hispanic. 41.2% had recent CPR training (n=21); 58.8% had remote CPR training (n=19) or no CPR training (n=11). There were no differences in demographics by CPR training groups. Participants with recent CPR training had shorter time from CPR initiation to AED shock delivery (3:45 vs. 4:14 [min:sec], p=0.01) and a trend toward higher percent of time with cc depth (77.4% vs 50.4%, p=0.11) and higher cc fraction (46.8% vs 42.9 %, p=0.12). There were no differences for percent of time with cc rate or CPR recoil.
Overall, CPR quality was low regardless of prior CPR training status. Those recently trained had shorter resuscitation time and appeared to have better CPR performance. Realization of a drone AED networks may require novel CPR programs focused on high-quality CPR.
Chow, C; Blewer, AL; Sharpe, E; Van Vleet, L; Arnold, E; Slattery, J; Buckland, DM; Joiner, A; Mark, DB; Starks, MA
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