Dispatch of Firefighters and Police Officers in Out‐of‐Hospital Cardiac Arrest: A Nationwide Prospective Cohort Trial Using Propensity Score Analysis

Autor: Ingela Hasselqvist‐Ax, Per Nordberg, Johan Herlitz, Leif Svensson, Martin Jonsson, Jonny Lindqvist, Mattias Ringh, Andreas Claesson, Johan Björklund, Jan‐Otto Andersson, Caroline Ericson, Pär Lindblad, Lars Engerström, Mårten Rosenqvist, Jacob Hollenberg
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, Vol 6, Iss 10 (2017)
Druh dokumentu: article
ISSN: 2047-9980
DOI: 10.1161/JAHA.117.005873
Popis: BackgroundDispatch of basic life support–trained first responders equipped with automated external defibrillators in addition to advanced life support–trained emergency medical services personnel in out‐of‐hospital cardiac arrest (OHCA) has, in some minor cohort studies, been associated with improved survival. The aim of this study was to evaluate the association between basic life support plus advanced life support response and survival in OHCA at a national level. Methods and ResultsThis prospective cohort study was conducted from January 1, 2012, to December 31, 2014. People who experienced OHCA in 9 Swedish counties covered by basic life support plus advanced life support response were compared with a propensity‐matched contemporary control group of people who experienced OHCA in 12 counties where only emergency medical services was dispatched, providing advanced life support. Primary outcome was survival to 30 days. The analytic sample consisted of 2786 pairs (n=5572) derived from the total cohort of 7308 complete cases. The median time from emergency call to arrival of emergency medical services or first responder was 9 minutes in the intervention group versus 10 minutes in the controls (P
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