Air pollution and activation of mobile medical team for out-of-hospital cardiac arrest.
Am J Emerg Med
; 33(3): 367-72, 2015 Mar.
Article
em En
| MEDLINE
| ID: mdl-25577313
ABSTRACT
BACKGROUND:
The association between air pollution exposure and cardiovascular events is well established, and the effect of short-term exposure on out-of-hospital cardiac arrest (OHCA) has received some attention. The effect of air pollution exposure and the activation of mobile intensive care units (MICUs) for cardiac arrest have never been studied.OBJECTIVE:
We analyzed associations between air pollutants and MICU activation for OHCA.METHOD:
This is a retrospective study including 4558 patients with OHCA and MICU activation from 2007 to 2012. A time-stratified case crossover design was used. Particulate matter (PM) of median aerodynamic diameter less than 2.5 µm (PM2.5), less than 10 µm, and ozone were the 3 main pollutants used to determine the effects of pollution exposure on the event.RESULTS:
A daily average increase of 27.6 µg/m(3) in ozone was associated with an increase of MICU activation for OHCA the following day (odds ratio [OR], 1.13; 95% confidence interval [CI], 1.03-1.22). For women, a daily average increase of 27.6 µg/m(3) in ozone was associated with an increase of MICU activation for OHCA the following day (OR, 1.19; 95% CI, 1.01-1.37). An hourly average increase of 10.5 µg/m(3) in PM2.5 was associated with an increase of MICU activation for OHCA in the current hour (OR, 1.11; 95% CI, 1.02-1.19). For men, an increase in PM2.5 was associated with an increase in MICU activation for OHCA the current hour (OR, 1.10; 95% CI, 1.01-1.20). No association was found with PM of median aerodynamic diameter less than 10 µm.CONCLUSION:
An association was found between air pollution and MICU activation for OHCA (ozone and PM2.5).
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Ozônio
/
Ambulâncias
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Cuidados Críticos
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Poluição do Ar
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Exposição Ambiental
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Material Particulado
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Parada Cardíaca Extra-Hospitalar
Tipo de estudo:
Etiology_studies
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Observational_studies
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Prognostic_studies
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Risk_factors_studies
Limite:
Aged
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Aged80
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Female
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Humans
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Male
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Middle aged
Idioma:
En
Ano de publicação:
2015
Tipo de documento:
Article