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Sökning: onr:"swepub:oai:DiVA.org:umu-91149" > Geomagnetic Storms ...

Geomagnetic Storms Can Trigger Stroke Evidence From 6 Large Population-Based Studies in Europe and Australasia

Feigin, Valery L. (författare)
Parmar, Priya G. (författare)
Barker-Collo, Suzanne (författare)
visa fler...
Bennett, Derrick A. (författare)
Anderson, Craig S. (författare)
Thrift, Amanda G. (författare)
Stegmayr, Birgitta (författare)
Umeå universitet,Medicin
Rothwell, Peter M. (författare)
Giroud, Maurice (författare)
Bejot, Yannick (författare)
Carvil, Phillip (författare)
Krishnamurthi, Rita (författare)
Kasabov, Nikola (författare)
visa färre...
 (creator_code:org_t)
2014
2014
Engelska.
Ingår i: Stroke. - 0039-2499 .- 1524-4628. ; 45:6, s. 1639-1645
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Background and Purpose-Although the research linking cardiovascular disorders to geomagnetic activity is accumulating, robust evidence for the impact of geomagnetic activity on stroke occurrence is limited and controversial. Methods-We used a time-stratified case-crossover study design to analyze individual participant and daily geomagnetic activity (as measured by Ap Index) data from several large population-based stroke incidence studies (with information on 11 453 patients with stroke collected during 16 031 764 person-years of observation) in New Zealand, Australia, United Kingdom, France, and Sweden conducted between 1981 and 2004. Hazard ratios and corresponding 95% confidence intervals (CIs) were calculated. Results-Overall, geomagnetic storms (Ap Index 60+) were associated with 19% increase in the risk of stroke occurrence (95% CI, 11%-27%). The triggering effect of geomagnetic storms was most evident across the combined group of all strokes in those aged <65 years, increasing stroke risk by >50%: moderate geomagnetic storms (60-99 Ap Index) were associated with a 27% (95% CI, 8%-48%) increased risk of stroke occurrence, strong geomagnetic storms (100-149 Ap Index) with a 52% (95% CI, 19%-92%) increased risk, and severe/extreme geomagnetic storms (Ap Index 150+) with a 52% (95% CI, 19%-94%) increased risk (test for trend, P<2x10(-16)). Conclusions-Geomagnetic storms are associated with increased risk of stroke and should be considered along with other established risk factors. Our findings provide a framework to advance stroke prevention through future investigation of the contribution of geomagnetic factors to the risk of stroke occurrence and pathogenesis.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Kardiologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)

Nyckelord

environment
stroke

Publikations- och innehållstyp

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art (ämneskategori)

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  • Stroke (Sök värdpublikationen i LIBRIS)

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