Ozone is associated with cardiopulmonary and stroke emergency hospital visits in Reykjavik, Iceland 2003--2009
BACKGROUND: Air pollution exposure is associated with hospital admissions and emergency room visits for cardiopulmonary disease and stroke. Iceland's capital area, Reykjavik, has generally low air pollution levels, but traffic and natural sources contribute to pollution levels. The objective of...
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Umeå universitet, Yrkes- och miljömedicin
2013
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ftumeauniv:oai:DiVA.org:umu-68042 2023-10-09T21:52:48+02:00 Ozone is associated with cardiopulmonary and stroke emergency hospital visits in Reykjavik, Iceland 2003--2009 Carlsen, Hanne Krage Forsberg, Bertil Meister, Kadri Gíslason, Thorarinn Oudin, Anna 2013 application/pdf http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-68042 https://doi.org/10.1186/1476-069X-12-28 eng eng Umeå universitet, Yrkes- och miljömedicin Environmental Health, 2013, 12:1, s. 28- http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-68042 doi:10.1186/1476-069X-12-28 PMID 23566138 ISI:000318251500001 Scopus 2-s2.0-84876910944 info:eu-repo/semantics/openAccess Air pollution Stroke Cardiopulmonary Cardiac Cardiovascular Hospital admissions Emergency room visits Occupational Health and Environmental Health Arbetsmedicin och miljömedicin Article in journal info:eu-repo/semantics/article text 2013 ftumeauniv https://doi.org/10.1186/1476-069X-12-28 2023-09-22T13:59:16Z BACKGROUND: Air pollution exposure is associated with hospital admissions and emergency room visits for cardiopulmonary disease and stroke. Iceland's capital area, Reykjavik, has generally low air pollution levels, but traffic and natural sources contribute to pollution levels. The objective of this study was to investigate temporal associations between emergency hospital visits and air pollutants ozone (O3), nitrogen dioxide (NO2), and particulate matter (PM10) in the Icelandic capital area. METHODS: We constructed a time series of the daily number of adults who visited the emergency room, or were acutely admitted for stroke or cardiorespiratory causes to Landspitali University Hospital 1 January 2003 -- 31 December 2009 from the hospital in-patient register. We used generalized additive models assuming Poisson distribution, to analyze the daily emergency hospital visits as a function of the pollutant levels, and adjusted for meteorological variables, day of week, and time trend with splines. RESULTS: Daily emergency hospital visits increased 3.9% (95% confidence interval (CI) 1.7-6.1%) per interquartile (IQR) change in average O3 the same and two previous days. For females, the increase was 7.8% (95% CI 3.6-12.1) for elderly (70+), the increase was 3.9% (95% CI 0.6-7.3%) per IQR increase of NO2. There were no associations with PM10. CONCLUSIONS: We found an increase in daily emergency hospital visits associated with O3, indicating that low-level exposure may trigger cardiopulmonary events or stroke. Article in Journal/Newspaper Iceland Umeå University: Publications (DiVA) Environmental Health 12 1 |
institution |
Open Polar |
collection |
Umeå University: Publications (DiVA) |
op_collection_id |
ftumeauniv |
language |
English |
topic |
Air pollution Stroke Cardiopulmonary Cardiac Cardiovascular Hospital admissions Emergency room visits Occupational Health and Environmental Health Arbetsmedicin och miljömedicin |
spellingShingle |
Air pollution Stroke Cardiopulmonary Cardiac Cardiovascular Hospital admissions Emergency room visits Occupational Health and Environmental Health Arbetsmedicin och miljömedicin Carlsen, Hanne Krage Forsberg, Bertil Meister, Kadri Gíslason, Thorarinn Oudin, Anna Ozone is associated with cardiopulmonary and stroke emergency hospital visits in Reykjavik, Iceland 2003--2009 |
topic_facet |
Air pollution Stroke Cardiopulmonary Cardiac Cardiovascular Hospital admissions Emergency room visits Occupational Health and Environmental Health Arbetsmedicin och miljömedicin |
description |
BACKGROUND: Air pollution exposure is associated with hospital admissions and emergency room visits for cardiopulmonary disease and stroke. Iceland's capital area, Reykjavik, has generally low air pollution levels, but traffic and natural sources contribute to pollution levels. The objective of this study was to investigate temporal associations between emergency hospital visits and air pollutants ozone (O3), nitrogen dioxide (NO2), and particulate matter (PM10) in the Icelandic capital area. METHODS: We constructed a time series of the daily number of adults who visited the emergency room, or were acutely admitted for stroke or cardiorespiratory causes to Landspitali University Hospital 1 January 2003 -- 31 December 2009 from the hospital in-patient register. We used generalized additive models assuming Poisson distribution, to analyze the daily emergency hospital visits as a function of the pollutant levels, and adjusted for meteorological variables, day of week, and time trend with splines. RESULTS: Daily emergency hospital visits increased 3.9% (95% confidence interval (CI) 1.7-6.1%) per interquartile (IQR) change in average O3 the same and two previous days. For females, the increase was 7.8% (95% CI 3.6-12.1) for elderly (70+), the increase was 3.9% (95% CI 0.6-7.3%) per IQR increase of NO2. There were no associations with PM10. CONCLUSIONS: We found an increase in daily emergency hospital visits associated with O3, indicating that low-level exposure may trigger cardiopulmonary events or stroke. |
format |
Article in Journal/Newspaper |
author |
Carlsen, Hanne Krage Forsberg, Bertil Meister, Kadri Gíslason, Thorarinn Oudin, Anna |
author_facet |
Carlsen, Hanne Krage Forsberg, Bertil Meister, Kadri Gíslason, Thorarinn Oudin, Anna |
author_sort |
Carlsen, Hanne Krage |
title |
Ozone is associated with cardiopulmonary and stroke emergency hospital visits in Reykjavik, Iceland 2003--2009 |
title_short |
Ozone is associated with cardiopulmonary and stroke emergency hospital visits in Reykjavik, Iceland 2003--2009 |
title_full |
Ozone is associated with cardiopulmonary and stroke emergency hospital visits in Reykjavik, Iceland 2003--2009 |
title_fullStr |
Ozone is associated with cardiopulmonary and stroke emergency hospital visits in Reykjavik, Iceland 2003--2009 |
title_full_unstemmed |
Ozone is associated with cardiopulmonary and stroke emergency hospital visits in Reykjavik, Iceland 2003--2009 |
title_sort |
ozone is associated with cardiopulmonary and stroke emergency hospital visits in reykjavik, iceland 2003--2009 |
publisher |
Umeå universitet, Yrkes- och miljömedicin |
publishDate |
2013 |
url |
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-68042 https://doi.org/10.1186/1476-069X-12-28 |
genre |
Iceland |
genre_facet |
Iceland |
op_relation |
Environmental Health, 2013, 12:1, s. 28- http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-68042 doi:10.1186/1476-069X-12-28 PMID 23566138 ISI:000318251500001 Scopus 2-s2.0-84876910944 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1186/1476-069X-12-28 |
container_title |
Environmental Health |
container_volume |
12 |
container_issue |
1 |
_version_ |
1779315974221070336 |