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dc.contributor.authorMasterson, Siobhán
dc.contributor.authorCullinan, John
dc.contributor.authorMcNally, Bryan
dc.contributor.authorDeasy, Conor
dc.contributor.authorMurphy, Andrew
dc.contributor.authorWright, Peter
dc.contributor.authorO'Reilly, Martin
dc.contributor.authorVellinga, Akke
dc.identifier.citationMasterson, Siobhán, Cullinan, John, McNally, Bryan, Deasy, Conor, Murphy, Andrew, Wright, Peter, O’Reilly, Martin, Vellinga, Akke. (2016). Out-of-hospital cardiac arrest attended by ambulance services in Ireland: first 2 years’ results from a nationwide registry. Emergency Medicine Journal, 33(11), 776-781. doi: 10.1136/emermed-2015-205107en_IE
dc.description.abstractBackground National data collection provides information on out-of-hospital cardiac arrest (OHCA) incidence, management and outcomes that may not be generalisable from smaller studies. This retrospective cohort study describes the first 2 years' results from the Irish National Out-of-Hospital Cardiac Arrest Register (OHCAR).Methods Data on OHCAs attended by emergency medical services (EMS) where resuscitation was attempted (EMS-treated) were collected from ambulance services and entered onto OHCAR. Descriptive analysis of the study population was performed, and regression analysis was performed on the subgroup of adult patients with a bystander-witnessed event of presumed cardiac aetiology and an initial shockable rhythm (Utstein group).Results 3701 EMS-treated OHCAs were recorded for the study period (1 January 2012-31 December 2013). Incidence was 39/100 000 population/year. In the Utstein group (n=577), compared with the overall group, there was a higher proportion of male patients, public event location, bystander cardiopulmonary resuscitation (CPR) and early defibrillation. Median EMS call-response interval was similar in both groups. A higher proportion of patients in the Utstein group achieved return of spontaneous circulation (35% vs 17%) and survival to hospital discharge (22% vs 6%). After multivariate adjustment for the Utstein group, the following variables were found to be independent predictors of the outcome survival to hospital discharge: public event location (OR 3.1 (95% CI 1.9 to 5.0)); bystander CPR (2.4 (95% CI 1.2 to 4.9)); EMS response of 8 min or less (2.2 (95% CI 1.3 to 3.6)).Conclusions This study highlights the role of nationwide registries in quantifying, monitoring and benchmarking OHCA incidence and outcome, providing baseline data upon which service improvement effects can be measured.en_IE
dc.publisherBMJ Publishing Groupen_IE
dc.relation.ispartofEmergency medicine journal : EMJen
dc.subjectAmbulance servicesen_IE
dc.subjectCardiac arrestsen_IE
dc.titleOut-of-hospital cardiac arrest attended by ambulance services in Ireland: first 2 years' results from a nationwide registryen_IE
dc.local.contactAkke Vellinga, General Practice/Bacteriology, Nui Galway. 5192 Email:

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