Impact of cardiopulmonary resuscitation duration on survival from paramedic witnessed out-of-hospital cardiac arrests: An observational study

Resuscitation
Z NehmeK Smith

Abstract

Resuscitation guidelines often recommend ongoing cardiopulmonary resuscitation (CPR) efforts to hospital for out-of-hospital cardiac arrests (OHCA) witnessed by emergency medical service (EMS) personnel. In this study, we examine the relationship between EMS CPR duration and survival to hospital discharge in EMS witnessed OHCA patients. Between January 2003 and December 2011, 1035 adult EMS witnessed arrests of presumed cardiac aetiology were included from the Victorian Ambulance Cardiac Arrest Registry. CPR duration was defined as the total sum of prehospital CPR time in minutes. Adjusted logistic regression analyses were used to assess the impact of EMS CPR duration on survival to hospital discharge. 382 (37.3%) patients were discharged alive. The median CPR duration was 12 min (95% CI: 11-13) overall, but was higher in non-survivors compared to survivors (24 min vs. 2 min, p<0.001). The 99th percentile CPR duration in patients surviving to hospital discharge differed by the initial rhythm of arrest: 32 min (95% CI: 27-44) overall, 32 min (95% CI: 23-44) for ventricular fibrillation and pulseless ventricular tachycardia (VF/VT), 34 min (95% CI: 30-34) for pulseless electrical activity (PEA), and 28 min (95% CI: 21-28) for asy...Continue Reading

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Citations

Feb 6, 2017·Resuscitation·Alexander OlaussenKaren Smith
Apr 6, 2017·Current Opinion in Critical Care·Jeffrey M Goodloe, Ahamed H Idris
Jun 29, 2017·Emergency Medicine Journal : EMJ·Richard TannerUNKNOWN Out of Hospital Cardiac Arrest Register Steering Committee
Apr 5, 2020·Clinical Research in Cardiology : Official Journal of the German Cardiac Society·Simon BraumannChristoph Adler
Aug 31, 2021·Resuscitation·James Knox RussellSofía Ruiz de Gauna

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