Aim of the review To examine global variation in the incidence and outcomes of emergency
medical services (EMS) witnessed out-of-hospital cardiac arrest (OHCA). Data sources We …

Background National data collection provides information on out-of-hospital cardiac arrest
(OHCA) incidence, management and outcomes that may not be generalisable from smaller …

Introduction Data on out-of-hospital cardiac arrest (OHCA) is limited in Italy, and there has
never been a comprehensive systematic appraisal of the available evidence. Therefore, this …

Objective: Survival after out-of-hospital cardiac arrests (OHCA) witnessed by emergency
medical service (EMS) personnel has been insufficiently understood. The aim of this study …

AIM: The aim of this investigation was to estimate and contrast the global incidence and
outcome of out-of-hospital cardiac arrest (OHCA) to provide a better understanding of the …

Objectives: The objective was to compare the survival outcomes of emergency medical
services (EMS)-witnessed to bystander-witnessed, and unwitnessed out-of-hospital cardiac …

Abstract Introduction The Australasian Resuscitation Outcomes Consortium (Aus-ROC) out-
of-hospital cardiac arrest (OHCA) Epistry (Epidemiological Registry) now covers 100% of …

Background Despite immediate resuscitation, survival rates following out-of-hospital cardiac
arrests (OHCA) witnessed by emergency medical service (EMS) are reportedly low. We …

Aim We aimed to assess temporal changes in the incidence of OHCAs of presumed cardiac
and non-cardiac aetiologies. Methods We conducted a retrospective cohort study of OHCAs …

Background Incidence and outcomes of out‐of‐hospital cardiac arrest (OHCA) vary between
communities. We aimed to examine differences in patient characteristics, prehospital care …