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Ambient temperature and stroke occurrence: a systematic review and meta-analysis

Wang, Xia, Cao, Yongjun, Hong, Daqing, Zheng, Danni, Richtering, Sarah, Sandset, Else Charlotte, Leong, Tzen Hugh, Arima, Hisatomi, Islam, Shariful, Salam, Abdul, Anderson, Craig, Robinson, Thompson and Hackett, Maree L. 2016, Ambient temperature and stroke occurrence: a systematic review and meta-analysis, International journal of environmental research and public health, vol. 13, no. 7, pp. 1-12, doi: 10.3390/ijerph13070698.

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Title Ambient temperature and stroke occurrence: a systematic review and meta-analysis
Author(s) Wang, Xia
Cao, Yongjun
Hong, Daqing
Zheng, Danni
Richtering, Sarah
Sandset, Else Charlotte
Leong, Tzen Hugh
Arima, Hisatomi
Islam, SharifulORCID iD for Islam, Shariful orcid.org/0000-0001-7926-9368
Salam, Abdul
Anderson, Craig
Robinson, Thompson
Hackett, Maree L.
Journal name International journal of environmental research and public health
Volume number 13
Issue number 7
Article ID 698
Start page 1
End page 12
Total pages 12
Publisher MDPI
Place of publication Basel, Switzerland
Publication date 2016-07-12
ISSN 1660-4601
Keyword(s) stroke
systematic review
temperature
weather
Age Factors
Aged
Female
Humans
Male
Odds Ratio
Risk Factors
Sex Factors
Science & Technology
Life Sciences & Biomedicine
Environmental Sciences
Public, Environmental & Occupational Health
Environmental Sciences & Ecology
ANEURYSMAL SUBARACHNOID HEMORRHAGE
SEASONAL-VARIATION
BLOOD-PRESSURE
GLOBAL BURDEN
INTRACEREBRAL HEMORRHAGE
METEOROLOGICAL FACTORS
WEATHER PARAMETERS
CASE-CROSSOVER
TIME-SERIES
POPULATION
Summary Biologically plausible associations exist between climatic conditions and stroke risk, but study results are inconsistent. We aimed to summarize current evidence on ambient temperature and overall stroke occurrence, and by age, sex, and variation of temperature. We performed a systematic literature search across MEDLINE, Embase, PsycINFO, CINAHL, Web of Science, and GEOBASE, from inception to 16 October 2015 to identify all population-based observational studies. Where possible, data were pooled for meta-analysis with Odds ratios (OR) and corresponding 95% confidence intervals (CI) by means of the random effects meta-analysis. We included 21 studies with a total of 476,511 patients. The data were varied as indicated by significant heterogeneity across studies for both ischemic stroke (IS) and intracerebral hemorrhage (ICH). Pooled OR (95% CI) in every 1 degree Celsius increase in ambient temperature was significant for ICH 0.97 (0.94-1.00), but not for IS 1.00 (0.99-1.01) and subarachnoid hemorrhage (SAH) 1.00 (0.98-1.01). Meta-analysis was not possible for the pre-specified subgroup analyses by age, sex, and variation of temperature. Change in temperature over the previous 24 h appeared to be more important than absolute temperature in relation to the risk of stroke, especially in relation to the risk of ICH. Older age appeared to increase vulnerability to low temperature for both IS and ICH. To conclude, this review shows that lower mean ambient temperature is significantly associated with the risk of ICH, but not with IS and SAH. Larger temperature changes were associated with higher stroke rates in the elderly.
Language eng
DOI 10.3390/ijerph13070698
Field of Research 110299 Cardiorespiratory Medicine and Haematology not elsewhere classified
MD Multidisciplinary
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30103389

Document type: Journal Article
Collections: School of Exercise and Nutrition Sciences
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.