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Ozone is associated...
Ozone is associated with cardiopulmonary and stroke emergency hospital visits in Reykjavík, Iceland 2003-2009.
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- Carlsen, Hanne Krage (author)
- Umeå universitet,Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,Institute of Medicine, School of Public Health and Community Medicine,Yrkes- och miljömedicin,Arcum
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- Forsberg, Bertil (author)
- Umeå universitet,Yrkes- och miljömedicin,Arcum
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- Meister, Kadri (author)
- Umeå universitet,Yrkes- och miljömedicin,Arcum
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Gíslason, Thorarinn (author)
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- Oudin, Anna (author)
- Umeå universitet,Yrkes- och miljömedicin,Arcum
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(creator_code:org_t)
- BioMed Central (BMC), 2013
- 2013
- English.
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In: Environmental health : a global access science source. - : BioMed Central (BMC). - 1476-069X. ; 12
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Abstract
Subject headings
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- 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 (O-3), 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 O-3 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 O-3, indicating that low-level exposure may trigger cardiopulmonary events or stroke.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
Keyword
- Air pollution
- Stroke
- Cardiopulmonary
- Cardiac
- Cardiovascular
- Hospital admissions
- Emergency room visits
- Air pollution; Stroke; Cardiopulmonary; Cardiac; Cardiovascular; Hospital admissions; Emergency room visits
Publication and Content Type
- ref (subject category)
- art (subject category)
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