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The association between consecutive days' heat wave and cardiovascular disease mortality in Beijing, China
Yin, Qian; Wang, Jinfeng
2017-02-23
Source PublicationBMC PUBLIC HEALTH
ISSN1471-2458
Volume17Pages:9
Corresponding AuthorWang, Jinfeng(wangjf@lreis.ac.cn)
AbstractBackground: Although many studies have examined the effects of heat waves on the excess mortality risk ( ER) posed by cardiovascular disease (CVD), scant attention has been paid to the effects of various combinations of differing heat wave temperatures and durations. We investigated such effects in Beijing, a city of over 20 million residents. Methods: A generalized additive model (GAM) was used to analyze the ER of consecutive days' exposure to extreme high temperatures. Results: A key finding was that when extremely high temperatures occur continuously, at varying temperature thresholds and durations, the adverse effects on CVD mortality vary significantly. The longer the heat wave lasts, the greater the mortality risk is. When the daily maximum temperature exceeded 35 degrees C from the fourth day onward, the ER attributed to consecutive days' high temperature exposure saw an increase to about 10% (p < 0.05), and at the fifth day, the ER even reached 51%. For the thresholds of 32 degrees C, 33 degrees C, and 34 degrees C, from the fifth day on ward, the ER also rose sharply ( 16, 29, and 31%, respectively; p < 0.05). In addition, extreme high temperatures appeared to contribute to a higher proportion of CVD deaths among elderly persons, females and outdoor workers. When the daily maximum temperature was higher than 33 degrees C from the tenth consecutive day onward, the ER of CVD death among these groups was 94, 104 and 149%, respectively (p < 0.05), which is considerably higher than the ER for the overall population (87%; p < 0.05). Conclusions: The results of this study may assist governments in setting standards for heat waves, creating more accurate heat alerts, and taking measures to prevent or reduce temperature-related deaths, especially against the backdrop of global warming.
KeywordHeat wave Cardiovascular disease Consecutive days' high temperature
DOI10.1186/s12889-017-4129-7
WOS KeywordUNITED-STATES ; TIME-SERIES ; CLIMATE-CHANGE ; CASE-CROSSOVER ; AIR-POLLUTION ; TEMPERATURE ; HEALTH ; VULNERABILITY ; COMMUNITIES ; ADMISSIONS
Indexed BySCI
Language英语
WOS Research AreaPublic, Environmental & Occupational Health
WOS SubjectPublic, Environmental & Occupational Health
WOS IDWOS:000396053400002
PublisherBIOMED CENTRAL LTD
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/64710
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Jinfeng
AffiliationChinese Acad Sci, State Key Lab Resources & Environm Informat Syst, Inst Geog Sci & Nat Resources Res, A11,Datun Rd, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Yin, Qian,Wang, Jinfeng. The association between consecutive days' heat wave and cardiovascular disease mortality in Beijing, China[J]. BMC PUBLIC HEALTH,2017,17:9.
APA Yin, Qian,&Wang, Jinfeng.(2017).The association between consecutive days' heat wave and cardiovascular disease mortality in Beijing, China.BMC PUBLIC HEALTH,17,9.
MLA Yin, Qian,et al."The association between consecutive days' heat wave and cardiovascular disease mortality in Beijing, China".BMC PUBLIC HEALTH 17(2017):9.
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