Abstract 157: Randomized Controlled Trial of the Impact of Ultra-Brief Chest Compression-Only CPR Video Training on Responsiveness, Compression Rate, and Hands-Off Time Interval Among Bystanders in a Shopping Mall
Background: Recent studies have demonstrated higher quality chest compressions (CCs) following a 60 sec ultra-brief video (UBV) on compression-only CPR (CO-CPR). However, the effectiveness of UBVs as a CPR teaching tool for lay bystanders in public venues remains unknown.
Objective: Determine whether: 1) UBV is an effective instrument to teach laypersons CO-CPR in a public setting and 2) viewing leads to superior responsiveness and CPR skills in simulated arrest scenarios versus untrained controls.
Methods: Study setting was a shopping mall. Adult (age ≥18) bystanders with no CPR training in the last 24 months were enrolled and randomized into two arms: (1) Control (CTR): sat idle for 60 sec; (2) UBV: watched a 60 sec UBV on CO-CPR. Subjects were taken to a private area where a Laerdal Skillreporter™ mannequin was on the ground and read a simulated scenario detailing a sudden collapse in the mall and asked to do what they “thought was best”. Performance measures were recorded for 2 min: responsiveness (time to call 911 and first CCs) and CPR quality [CC depth, rate, hands-off interval (time without CC after first CC)]. Statistics and results detailed in Table.
Results: Study enrollment was 100 subjects (CTR, n=47; UBV, n=48; 5 excluded due to recent CPR training). Demographics were similar in the two arms (age, gender, race, education, heart disease history). UBV subjects called 911 more frequently (APD 31%) and initiated CCs sooner in the arrest scenario (MD: 5 sec). UBV cohort had increased CC rate (MD: 19 cpm) and decreased hands-off interval (MD: 27 sec, CI: 14, 40). There was no statistical difference for CC depth [CTR: 31mm (24, 38); UBV: 37mm (30, 44)].
Conclusion: Bystanders with UBV training in a shopping mall had improved responsiveness, CC rate and decreased hands-off interval. Given the short length of training, these findings suggest that UBV may have potential as a ubiquitous intervention for public venues to help improve bystander reaction to OHCA and CO-CPR performance.
- © 2013 by American Heart Association, Inc.