Air Pressure, Humidity and Stroke Occurrence: A Systematic Review and Meta-Analysis

Yongjun Cao, Xia Wang, Danni Zheng, Thompson Robinson, Daqing Hong, Sarah Richtering, Tzen Hugh Leong, Abdul Salam, Craig Anderson and Maree L. Hackett
Additional contact information
Yongjun Cao: Department of Neurology, The Second Affiliated Hospital of Soochow University, No.1055, Sanxiang Rd., Suzhou 215004, China
Xia Wang: The George Institute for Global Health, P.O. Box M201, Missenden Road, Sydney, NSW 2050, Australia
Danni Zheng: The George Institute for Global Health, P.O. Box M201, Missenden Road, Sydney, NSW 2050, Australia
Thompson Robinson: Department of Cardiovascular Sciences and NIHR Biomedical Research Unit for Cardiovascular Diseases, University of Leicester, Leicester LE1 7RH, UK
Daqing Hong: Division of Nephrology, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, Chengdu 610072, China
Sarah Richtering: The George Institute for Global Health, P.O. Box M201, Missenden Road, Sydney, NSW 2050, Australia
Tzen Hugh Leong: The George Institute for Global Health, P.O. Box M201, Missenden Road, Sydney, NSW 2050, Australia
Abdul Salam: The George Institute for Global Health, P.O. Box M201, Missenden Road, Sydney, NSW 2050, Australia
Craig Anderson: The George Institute for Global Health, P.O. Box M201, Missenden Road, Sydney, NSW 2050, Australia
Maree L. Hackett: The George Institute for Global Health, P.O. Box M201, Missenden Road, Sydney, NSW 2050, Australia

IJERPH, 2016, vol. 13, issue 7, 1-10

Abstract: Background/Aims: An influence of climate upon stroke risk is biologically plausible and supported by epidemiological evidence. We aimed to determine whether air pressure (AP) and humidity are associated with hospital stroke admission. Methods: We searched MEDLINE, Embase, PsycINFO, CINAHL, Web of Science, and GEOBASE, from inception to 16 October 2015 to identify relevant 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-effect method. Results: We included 11 studies with a total of 314,385 patients. The effect of AP was varied across studies for ischemic stroke (IS) and subarachnoid haemorrhage (SAH). Pooled ORs (95%CI) associated with 1 hPa increase in AP for the risk of IS, intracerebral hemorrhage (ICH) and SAH were 1.00 (0.99–1.01), 1.01 (0.99–1.02) and 1.02 (0.97–1.07) respectively. The pooled ORs (95%CI) associated with 1 percent increase in humidity for the risk of IS and ICH were 1.00 (1.00–1.01) and 1.00 (0.99–1.01) respectively. Conclusion: This review shows that there is no evidence of a relationship between AP or humidity and the occurrence of hospital admission for stroke. Further research is needed to clarify the extent and nature of any relationship between AP, humidity and stroke in different geographical areas.

Keywords: stroke; weather; air pressure; humidity; systematic review (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2016
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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