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Associations between air pollution and cardio-respiratory physiological measures in older adults exercising outdoors.
Stieb, David; Shutt, Robin H; Kauri, Lisa M; Mason-Renton, Sarah; Chen, Li; Szyszkowicz, Mieczyslaw; Dobbin, Nina A; Rigden, Marc; Jovic, Branka; Mulholland, Marie; Green, Martin S; Liu, Ling; Pelletier, Guillaume; Weichenthal, Scott A; Dales, Robert E; Andrade, Julie; Luginaah, Isaac.
Afiliación
  • Stieb D; Population Studies Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, Canada.
  • Shutt RH; School of Epidemiology and Public Health, University of Ottawa, Ottawa, Canada.
  • Kauri LM; Population Studies Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, Canada.
  • Mason-Renton S; Population Studies Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, Canada.
  • Chen L; Controlled Substances and Cannabis Branch (current), Health Canada, Ottawa, Canada.
  • Szyszkowicz M; Department of Geography, Western University, London, Canada.
  • Dobbin NA; Lystek International Inc. (current), Cambridge, Canada.
  • Rigden M; Population Studies Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, Canada.
  • Jovic B; Population Studies Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, Canada.
  • Mulholland M; Air Health Science Division, Water and Air Quality Bureau, Health Canada, Ottawa, Canada.
  • Green MS; Chemical Emergency Preparedness and Response Unit (current), Health Canada, Vancouver, Canada.
  • Liu L; Hazard Identification Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, Canada.
  • Pelletier G; Population Studies Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, Canada.
  • Weichenthal SA; University of Ottawa Heart Institute, Ottawa, Canada.
  • Dales RE; University of Ottawa Heart Institute, Ottawa, Canada.
  • Andrade J; Population Studies Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, Canada.
  • Luginaah I; Hazard Identification Division, Environmental Health Science and Research Bureau, Health Canada, Ottawa, Canada.
Int J Environ Health Res ; 31(8): 901-914, 2021 Dec.
Article en En | MEDLINE | ID: mdl-31829725
We examined whether exercising indoors vs. outdoors reduced the cardio-respiratory effects of outdoor air pollution. Adults ≥55 were randomly assigned to exercise indoors when the Air Quality Health Index was ≥5 and outdoors on other days (intervention group, n = 37), or outdoors everyday (control group, n = 35). Both groups completed cardio-respiratory measurements before and after exercise for up to 10 weeks. Data were analyzed using linear mixed effect regression models. In the control group, an interquartile range increase in fine particulate matter (PM2.5) was associated with increases of 1.4% in heart rate (standard error (SE) = 0.7%) and 5.6% (SE = 2.6%) in malondialdehyde, and decreases of 5.6% (SE = 2.5%) to 16.5% (SE = 7.5%) in heart rate variability measures. While the hypothesized benefit of indoor vs. outdoor exercise could not be demonstrated due to an insufficient number of intervention days (n = 2), the study provides evidence of short-term effects of air pollution in older adults. ISRCTN #26552763.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Ejercicio Físico / Contaminación del Aire / Exposición a Riesgos Ambientales Tipo de estudio: Clinical_trials / Diagnostic_studies / Risk_factors_studies Límite: Aged / Aged80 / Female / Humans / Male / Middle aged Idioma: En Revista: Int J Environ Health Res Asunto de la revista: SAUDE AMBIENTAL Año: 2021 Tipo del documento: Article País de afiliación: Canadá Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Ejercicio Físico / Contaminación del Aire / Exposición a Riesgos Ambientales Tipo de estudio: Clinical_trials / Diagnostic_studies / Risk_factors_studies Límite: Aged / Aged80 / Female / Humans / Male / Middle aged Idioma: En Revista: Int J Environ Health Res Asunto de la revista: SAUDE AMBIENTAL Año: 2021 Tipo del documento: Article País de afiliación: Canadá Pais de publicación: Reino Unido