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Abstracts
Cardiac arrest
307 Dispatcher-assisted cardiopulmonary resuscitation is affected by a bystander’s emotional stress state in out-of-hospital cardiac arrest
  1. R Tuffley1,
  2. F Folke2,
  3. S Blomberg3,
  4. A Ersbøll4,
  5. F Pott5,
  6. G Linderoth6
  1. 1Copenhagen Emergency Medical Services, University of Copenhagen, Copenhagen, Denmark. Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
  2. 2Copenhagen Emergency Medical Services, University of Copenhagen, Copenhagen, Denmark. Dept of Cardiology, Copenhagen University Hospital – Herlev and Gentofte, Herlev, Denmark
  3. 3Copenhagen Emergency Medical Services, University of Copenhagen, Copenhagen, Denmark
  4. 4National Institute of Public Health, Copenhagen, Denmark
  5. 5Dept of Anesthesiology, Copenhagen University Hospital – Bispebjerg and Frederiksberg, Copenhagen, Denmark
  6. 6Copenhagen Emergency Medical Services, University of Copenhagen, Copenhagen, Denmark. Dept of Anesthesiology, Copenhagen University Hospital – Bispebjerg and Frederiksberg, Copenhagen, Denmark

Abstract

Background The study aimed to investigate whether a bystander’s emotional stress state affects DA-CPR in OHCA. The primary outcome was time from recognition of OHCA by the medical dispatcher until first chest compression delivered. Secondarily, we investigated time from recognition of OHCA until initiation of CPR-instructions as well as quality of DA-CPR instructions according to the caller’s emotional stress state.

Method The study was a retrospective and observational study of OHCA emergency call recordings from the Capital Region of Denmark. Callers were evaluated by five raters using a simplified emotional content and cooperation score (ECCS).

Results 894 call were included of which 250 callers were registered as emotional stressed. We found a significantly longer time from recognition of OHCA until first chest compression delivered in the emotional stressed callers vs. the not emotional stressed callers (65 s vs.38 s; P < 0.001). There was no significant difference in time from recognition of OHCA until initiation of CPR-instructions (P = 0.12). Furthermore, there was a significant higher incidence of the medical dispatcher being assertive and encouraging when instructing, and of the medical dispatcher instructing on speed and depth of chest compressions in calls with an emotional stressed caller (P = 0.006, P < 0.001 and P < 0.001).

Conclusion The emotional stressed callers had a significantly longer time from recognition of OHCA by the medical dispatcher until first chest compression was delivered. In addition, the quality of DA-CPR instructions given was significantly higher in the emotional stressed group.

Conflict of interest None.

Funding None.

http://creativecommons.org/licenses/by-nc/4.0/

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/ .

https://doi.org/10.1136/bmjopen-2022-EMS.30

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