| Cardiac arrests witnessed by EMS personnel in a multitiered system: epidemiology and outcome. | |
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MedLine Citation:
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PMID: 9451307 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The purpose of the study was to determine the epidemiology and the etiology of cardiac arrests witnessed by emergency medical services (EMS) personnel and the survival from resuscitation according to the Utstein style. Consecutive prehospital cardiac arrests witnessed by EMS personnel in the Helsinki City EMS system between January 1, 1994 and December 31, 1995 were included in this prospective cohort study. A total of 809 cardiac arrests were registered during the study period, 108 (13.3%) of which were EMS-witnessed. The incidence of EMS-witnessed cardiac arrests was 1.8 per 1,000 urgent calls per year. Resuscitation was attempted in 94 patients, 45 of whom (47.9%) were hospitalized alive and 15 of whom (16.0%) were discharged. Fourteen of the survivors were discharged with overall performance category I or II. Cardiac etiology was verified in 60 (55.6%) cases. In multivariate analysis, initial rhythm of ventricular fibrillation and cardiac etiology remained independent factors of survival. These results indicate that overall survival rates in EMS-witnessed cardiac arrests have remained low but those who survive are discharged without major neurological sequelae. Noncardiac etiology accounts for 45% of cases and seems to be a major determinant of low overall survival rates. |
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Authors:
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M Kuisma; T Määttä; J Repo |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The American journal of emergency medicine Volume: 16 ISSN: 0735-6757 ISO Abbreviation: Am J Emerg Med Publication Date: 1998 Jan |
Date Detail:
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Created Date: 1998-02-12 Completed Date: 1998-02-12 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8309942 Medline TA: Am J Emerg Med Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 12-6 Citation Subset: IM |
Affiliation:
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Helsinki City EMS, Finland. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Analysis of Variance Cardiopulmonary Resuscitation Emergency Medical Technicians* Female Finland / epidemiology Heart Arrest / epidemiology*, etiology, mortality, therapy Humans Incidence Male Middle Aged Prospective Studies Survival Rate Treatment Outcome |
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