Evidence map›Paper›PMID 28978527›Full record

Trial reportJournal of the American Heart Association2017

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

Ingela Hasselqvist-Ax, Per Nordberg, Johan Herlitz, Leif Svensson, Martin Jonsson, Jonny Lindqvist, Mattias Ringh, Andreas Claesson, Johan Björklund, Jan-Otto Andersson and 5 more

Registry-linked trialOpen access · goldAbstract readClinical TrialComparative StudyMulticenter Study
In one paragraph

Trial report in Journal of the American Heart Association, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02184468 (Dual Dispatch of EMS, Fire Fighters and/or Police in Out-of-hospital Cardiac Arrest Implemented in Nine Counties in Sweden - Can More Lives be Saved by Using This Method?), which is not on this map. Cited by 28 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 1 pooled it
5.4field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT02184468 naunknown statusnot on this map

Dual Dispatch of EMS, Fire Fighters and/or Police in Out-of-hospital Cardiac Arrest Implemented in Nine Counties in Sweden - Can More Lives be Saved by Using This Method?

TypeinterventionalSponsorKarolinska InstitutetRan2011 to 2014Enrolled6,000ConditionsOut-of-Hospital Cardiac ArrestArmsSimultaneously dispatch of firefighters and/or police in case of OHCA
3 · Its place in the literature

Who cites it

28 citing papers in PubMed, 1 synthesis or guideline pooled it, 61 citations in OpenAlex.

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  20. Volunteer Responders Should Not Be Overlooked During the Night.Journal of the American Heart Association · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

15 authors at 6 institutions in 1 country.

Ingela Hasselqvist-AxDepartment of Medicine, Center for Resuscitation Science, Karolinska Institutet, Solna, Sweden.
Per NordbergDepartment of Medicine, Center for Resuscitation Science, Karolinska Institutet, Solna, Sweden.
Johan HerlitzCentre for Pre-Hospital Research in Western Sweden, University of Borås, Borås, Sweden johan.herlitz@hb.se.
Leif SvenssonDepartment of Medicine, Center for Resuscitation Science, Karolinska Institutet, Solna, Sweden.
Martin JonssonDepartment of Medicine, Center for Resuscitation Science, Karolinska Institutet, Solna, Sweden.
Jonny LindqvistInstitute of Medicine, Center for Cardiovascular and Metabolic Research, Sahlgrenska University Hospital, Göteborg, Sweden.
Mattias RinghDepartment of Medicine, Center for Resuscitation Science, Karolinska Institutet, Solna, Sweden.
Andreas ClaessonDepartment of Medicine, Center for Resuscitation Science, Karolinska Institutet, Solna, Sweden.
Johan BjörklundFire and Rescue Service Dala Middle, Falun, Sweden.
Jan-Otto AnderssonEmergency Medical Services, Skövde Emergency Department, Skövde, Sweden.
Caroline EricsonEmergency Medical Services, Sahlgrenska University Hospital, Göteborg, Sweden.
Pär LindbladVärnamo County Hospital, Jönköping County, Sweden.
Lars EngerströmSOS Alarm Centers, Stockholm, Sweden.
Mårten RosenqvistDepartment of Clinical Sciences, Karolinska Institutet, Solna, Sweden.
Jacob HollenbergDepartment of Medicine, Center for Resuscitation Science, Karolinska Institutet, Solna, Sweden.
Karolinska Institutet · SEStockholm South General Hospital · SESahlgrenska University Hospital · SEDanderyds sjukhus · SEUniversity of Borås · SEVärnamo Sjukhus · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

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 (

conclusionsIn this nationwide interventional trial, using propensity score matching, dispatch of first responders in addition to emergency medical services in OHCA was associated with a moderate, but significant, increase in 30-day survival. CLINICAL

trial registrationURL: http://www.clinicaltrials.gov. Unique identifier: NCT02184468.

Indexed as

Cardiopulmonary ResuscitationEmergency Medical DispatchEmergency Medical ServicesFirefightersPoliceProcess Assessment, Health CareDefibrillatorsElectric CountershockHospital MortalityHumansKaplan-Meier EstimateLogistic ModelsOdds RatioOut-of-Hospital Cardiac ArrestPropensity ScoreProspective Studiesautomated external defibrillatorcardiac arrestcardiopulmonary resuscitationdefibrillationdispatch centeremergency medical servicesfirefightersfirst respondersout‐of‐hospital cardiac arrestsurvival

Identifiers

PMID28978527
PMCPMC5721830
OpenAlexW2764076893

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.