Does Antiarrhythmic Drug during Cardiopulmonary Resuscitation Improve the One-month Survival: The SOS-KANTO 2012 Study

SOS-KANTO 2012 study group

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Background: Antiarrhythmic drugs (AAD) are often used for fatal ventricular arrhythmias during cardiopulmonary resuscitation (CPR). However, the efficacy of initial AAD administration during CPR in improving long-term prognosis remains unknown. This study retrospectively evaluated the effect of AAD administration during CPR on 1-month prognosis in the SOS-KANTO 2012 study population. Methods and Results: Of the 16,164 out-of-hospital cardiac arrest cases, 1350 shock-refractory patients were included: 747 patients not administered AAD and 603 patients administered AAD. Statistical adjustment for potential selection bias was performed using propensity score matching, yielding 1162 patients of whom 792 patients were matched (396 pairs). The primary outcome was 1-month survival. The secondary outcome was the proportion of patients with favorable neurological outcome at 1 month. Logistic regression with propensity scoring demonstrated an odds ratio (OR) for 1-month survival in the AAD group of 1.92 (P < 0.01), whereas the OR for favorable neurological outcome at 1 month was 1.44 (P 0.26). Conclusions: Significantly greater 1-month survival was observed in the AAD group compared with the non-AAD group. However, the effect of ADD on the likelihood of a favorable neurological outcome remains unclear. The findings of the present study may indicate a requirement for future randomized controlled trials evaluating the effect of ADD administration during CPR on long-term prognosis.

Original languageEnglish
Pages (from-to)58-66
Number of pages9
JournalJournal of Cardiovascular Pharmacology
Volume68
Issue number1
DOIs
Publication statusPublished - 2016 Jul 1

Keywords

  • antiarrhythmic drugs
  • favorable neurological outcome
  • refractory ventricular tachycardia/fibrillation

ASJC Scopus subject areas

  • Pharmacology
  • Cardiology and Cardiovascular Medicine

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