What is it with the weather and stroke?
Kate McArthur1, Jesse Dawson, Matthew Walters
1Acute Stroke Unit, Division of Cardiovascular and Medical Sciences, Faculty of Medicine, University of Glasgow, Western Infirmary, Glasgow, G11 6NT, UK. k.mcarthur@clinmed.gla.ac.uk
Expert Review of Neurotherapeutics
|February 9, 2010
Summary
Climate influences cerebrovascular risk, impacting factors like blood pressure and lipids. Further research is needed to clarify the complex relationship between weather, stroke, and public health strategies.
Area of Science:
- Environmental Health
- Epidemiology
- Neurology
Background:
- Climate influences human health, with growing evidence linking environmental factors to cerebrovascular risk.
- Extreme weather events, such as heat waves and cold spells, are associated with increased mortality rates.
- Temperature and atmospheric pressure changes may affect physiological risk factors for stroke.
Purpose of the Study:
- To explore the complex relationship between climate variables and cerebrovascular risk.
- To identify how meteorological factors influence established stroke risk factors.
- To inform public health strategies for protecting vulnerable populations from weather-related cerebrovascular events.
Main Methods:
- Review of epidemiological evidence on climate and cerebrovascular outcomes.
- Analysis of the impact of temperature and atmospheric pressure on physiological risk factors.
- Consideration of behavioral factors influenced by weather.
Main Results:
- Evidence suggests a link between climate and cerebrovascular risk, though specific relationships are complex and sometimes conflicting.
- Temperature changes can affect serum lipids, fibrinogen concentration, and blood pressure.
- Conflicting data exists regarding temperature's effect on stroke risk, and atmospheric pressure may be linked to intracranial hemorrhage.
Conclusions:
- The relationship between climate and cerebrovascular risk is biologically plausible and supported by epidemiological data.
- Understanding these links is crucial for developing public health interventions against weather-related mortality.
- Further well-conducted prospective studies are required to resolve conflicting data and clarify these associations.
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