Comparison between dispatcher-assisted bystander CPR and self-led bystander CPR in out-of-hospital cardiac arrest (OHCA)

Min Woo Kim, Tae Han Kim, Kyoung Jun Song, Sang Do Shin, Chu Hyun Kim, Eui Jung Lee, Kihong Kim

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: Bystander cardiopulmonary resuscitation (CPR) is an important prognostic factor for outcome in out-of-hospital cardiac arrest (OHCA). The dispatcher-assisted (DA) bystander CPR program has increased the rate of bystander CPR by targeting bystanders with a lower level of CPR training. We evaluated the effects of dispatcher-assisted bystander CPR and self-led bystander CPR. Methods: A retrospective analysis was performed using a nationwide OHCA database from 2014 to 2018. Adult EMS-treated OHCA patients with presumed cardiac origin were enrolled. OHCAs were classified into 3 groups according to the type of bystander CPR (DA bystander CPR vs. self-led bystander CPR vs. no bystander CPR) provided. The primary outcome was good neurologic recovery at hospital discharge. A multivariable logistic regression model was used to estimate the association between the type of bystander CPR and outcomes. Results: A total of 91,557 eligible OHCA patients was enrolled in the final analysis. The proportion of patients with favorable neurologic outcomes was highest with self-led bystander CPR (9.0% for self-led bystander CPR, 5.2% for DA bystander CPR and 3.2% for no bystander CPR, p < 0.01). Self-led bystander CPR was associated with better neurological recovery than DA bystander CPR (aOR with 95% CI (DA-CPR as reference): 0.63 (0.58−0.69) for no bystander CPR, 1.28 (1.17–1.40) for self-led bystander CPR). Conclusion: Although DA CPR was associated with better neurologic outcomes than no bystander CPR, good neurologic outcomes were most strongly associated with self-led bystander CPR.

Original languageEnglish
Pages (from-to)64-70
Number of pages7
JournalResuscitation
Volume158
DOIs
StatePublished - Jan 2021

Keywords

  • Bystander cardiopulmonary resuscitation
  • Dispatcher-assisted cardiopulmonary resuscitation
  • Out-of-hospital cardiac arrest

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