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  Heat-related cardiovascular mortality risk in Cyprus: a case-crossover study using a distributed lag non-linear model

Lubczynska, M. J., Christophi, C. A., & Lelieveld, J. (2015). Heat-related cardiovascular mortality risk in Cyprus: a case-crossover study using a distributed lag non-linear model. Environmental Health, 14: 39. doi:10.1186/s12940-015-0025-8.

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Lubczynska, Malgorzata J.1, Author
Christophi, Costas A.1, Author
Lelieveld, Jos2, Author           
Affiliations:
1external, ou_persistent22              
2Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_1826285              

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 Abstract: Background: The frequency and intensity of heat waves is projected to increase in many parts of the world, particularly in regions such as the Eastern Mediterranean and Middle East (EMME), where the warming trends are much larger than the global average. The relationship between air temperature and premature mortality is widely recognized, however, it is not well defined in the aforementioned region. The objective of this study is to assess the relationship between cardiovascular mortality risk and air temperature in Cyprus, an island located centrally in the EMME. Methods: Daily cardiovascular mortality data and spatially aggregated daily mean, maximum, and minimum temperatures for the period 2004-2010 were analyzed using a case-crossover design combined with a distributed lag non-linear model. Results: A relationship between high temperatures and cardiovascular mortality was observed for cerebrovascular diseases, ischaemic and other heart diseases; this relationship was exacerbated on days with high temperatures. The highest relative risk was observed on the day of the heat event and remained significantly elevated for another day. The results were consistent regardless whether the minimum, maximum, or mean temperatures were used, although the association seems to be more pronounced with the mean temperatures, which suggests that consecutive high day-and night-time temperatures are the most hazardous. Conclusions: The identification of a positive relationship between high temperatures and cardiovascular mortality in Cyprus raises concerns. In view of the projected climate changes and strong increases in extreme heat events in the region, appropriate interventions need to be developed.

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 Dates: 2015
 Publication Status: Published online
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 Identifiers: ISI: 000354514000001
DOI: 10.1186/s12940-015-0025-8
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Title: Environmental Health
Source Genre: Journal
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Pages: - Volume / Issue: 14 Sequence Number: 39 Start / End Page: - Identifier: ISSN: 1476-069X