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Updated: May 7, 2026

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
Published on: August 18, 2015
[Meteorological risk factors of stroke]
I A Lebedev1, V A Gilvanov, S A Akinina
1Pyt'-Iakhskaia okruzhnaia bol'nitsa Khanty-Mansiĭskogo avtonomnogo okruga.
Insights
This study found a link between stroke frequency and daily temperature changes in Khanty-Mansiysk. Stroke occurrences peaked in certain months but were not seasonal overall.
Area of Science:
- Neurology
- Environmental Health
- Biometeorology
Context:
- Stroke incidence data from Khanty-Mansiysk over five years.
- Analysis of standard meteorological factors and their correlation with stroke occurrences.
Purpose:
- To investigate the relationship between meteorological factors and stroke frequency.
- To identify specific weather patterns associated with increased stroke occurrences.
Summary:
- A significant correlation was found between stroke frequency and daily temperature amplitude.
- Positive correlations were observed between stroke frequency and day-to-day air temperature changes, especially when combined with short-term atmospheric pressure fluctuations.
- Peak stroke occurrences were noted in December, April, May, and July, with minimal occurrences in January, June, August, and September, though overall seasonal dependence was not found.
Impact:
- Highlights the influence of short-term weather variations on cerebrovascular events.
- Provides data for public health advisories regarding weather-related stroke risks.
- Informs potential preventative strategies targeting specific meteorological conditions.
Abstract:
Based on correlation analysis of stroke, recorded in Khanty-Mansiysk during 5 years, and standard meteorological factors, we found the significant relationship between the frequency of stroke and daily temperature amplitude. The positive correlation between the frequency of stroke and between-day changes in air temperature in the combination with changes in atmospheric pressure during 3 h was identified. A maximal number of strokes was recorded in December, April, May and July and a minimal number was in January, June, August and September. The frequency of stroke and fatal outcomes did not depend on the season.
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