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Heat, heatwaves and cardiorespiratory hospital admissions in Helsinki, Finland.
Int. J. Environ. Res. Public Health 17:7892 (2020)
Background: There is a lack of knowledge concerning the effects of ambient heat exposure on morbidity in Northern Europe. Therefore, this study aimed to evaluate the relationships of daily summertime temperature and heatwaves with cardiorespiratory hospital admissions in the Helsinki metropolitan area, Finland. Methods: Time series models adjusted for potential confounders, such as air pollution, were used to investigate the associations of daily temperature and heatwaves with cause-specific cardiorespiratory hospital admissions during summer months of 2001-2017. Daily number of hospitalizations was obtained from the national hospital discharge register and weather information from the Finnish Meteorological Institute. Results: Increased daily temperature was associated with a decreased risk of total respiratory hospital admissions and asthma. Heatwave days were associated with 20.5% (95% CI: 6.9, 35.9) increased risk of pneumonia admissions and during long or intense heatwaves also with total respiratory admissions in the oldest age group (>= 75 years). There were also suggestive positive associations between heatwave days and admissions due to myocardial infarction and cerebrovascular diseases. In contrast, risk of arrhythmia admissions decreased 20.8% (95% CI: 8.0, 31.8) during heatwaves. Conclusions: Heatwaves, rather than single hot days, are a health threat affecting morbidity even in a Northern climate.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Heat ; Heatwave ; Cardiovascular Diseases ; Respiratory Diseases ; Hospital Admissions ; Climate Change ; Ambient Temperature ; Public Health ; Time Series ; Summer Months; Myocardial-infarction; Ambient-temperature; Waves; Morbidity; Mortality; Time; Health; Impact; Diseases; Visits
ISSN (print) / ISBN
1661-7827
e-ISSN
1660-4601
Quellenangaben
Volume: 17,
Issue: 21,
Article Number: 7892
Publisher
MDPI
Publishing Place
Basel, Switzerland
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Epidemiology II (EPI2)
Grants
Academy of Finland
Ministry of Social Affairs and Health
University of Eastern Finland
Ministry of Social Affairs and Health
University of Eastern Finland