The influence of meteorological and geomagnetic factors on acute myocardial infarction and brain stroke in Moscow, Russia

Shaposhnikov, Dmitry; Revich, Boris; Gurfinkel, Yuri; Naumova, Elena N.

doi:10.1007/s00484-013-0660-0

Cited by 67 publications

(29 citation statements)

References 47 publications

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“…There are few studies which revealed the relationship between meteorological variables and stroke. For example, a previous paper assessed the impacts of air temperature, barometric pressure and geomagnetic activity on hospitalizations with myocardial infarctions and brain strokes between 1992 and 2005 (5). The number of strokes increased with temperature and daily temperature range, associations with low pressure and falling pressure were observed which is in line with our observations since we also reported that stroke cases are predicted by daily lowest - and also highest - air pressure and highest air temperature.…”

Section: Discussionmentioning

confidence: 99%

“…Moreover, circadian variation has been also shown to have an important effect (2). Recently, more attention has been oriented toward the effect of weather conditions on stroke admissions (3-5). However, evidence of the impact of air temperature and pressure and the extreme weather conditions (tropical storms, hurricanes) on cerebrovascular morbidity is still quite limited and controversial.…”

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confidence: 99%

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Relationship between weather conditions and admissions for ischemic stroke and subarachnoid hemorrhage

et al. 2017

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AimTo assess impacts of different weather conditions on hospitalizations of patients with ischemic strokes and subarachnoid hemorrhages (SAH) in South Florida.MethodsDiagnostic data of patients with spontaneous SAH and strokes were recorded between June 2010 and July 2013. Daily synchronous forecast charts were collected from the National Weather Service and the whole data were matched prospectively. The incidence rate ratio (IRR) was calculated.ResultsIncreased incidence rate of ischemic stroke was consistent with the daily lowest and highest air pressure (IRR 1.03, P = 0.128 and IRR 0.98, P = 0.380, respectively), highest air temperature (IRR 0.99, P = 0.375), and presence of hurricanes or storms (IRR 0.65, P = 0.054). Increased incidence of SAH cases was consistent with daily lowest and highest air pressure (IRR 0.87, P < 0.001 and IRR 1.08, P = 0.019, respectively) and highest air temperature (IRR 0.98, P < 0.001). Presence of hurricanes and/or tropical storms did not influence the frequency of SAH. We found no relationship between the presence of fronts and the admissions for ischemic stroke or SAH.ConclusionHigher number of ischemic stroke and SAH cases can be expected with the daily lowest and highest air pressure, highest air temperature. Presence of hurricanes or tropical storms increased the risk of ischemic stroke but not the SAH. These findings can help to develop preventive health plans for cerebrovascular diseases.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

Relationship between weather conditions and admissions for ischemic stroke and subarachnoid hemorrhage

et al. 2017

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“…However, while seasonal patterns of air pollution have been reported for some locations (Latha & Badarinath, 2005;Tan et al, 2013), little variation in air quality throughout the year has been noted for the southern region of the United States (Peng et al, 2005). Other factors that may explain a seasonal incidence of SA-AoD include geomagnetic variation, holiday stress, catecholamine release, increases/decreases in arterial pressure, respiratory infections, population mixing, diet, and/or amount of daylight (Efird, 2010;Efird & Nielsen, 2008;Seto et al, 1998;Shaposhnikov et al, 2013). Additional research is needed to examine the differential environmental influence on SA-AoD and also to distinguish the seasonal variation of these exposures.…”

Section: Discussionmentioning

confidence: 90%

Seasonal incidence of hospital admissions for Stanford type A aortic dissection

Efird

O’Neal

Davies

et al. 2014

Chronobiology International

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The objective of this study was to test the hypothesis that there is seasonal variation in the incidence of Stanford type A aortic dissection (SA-AoD) among patients admitted to our cardiovascular surgical service. A sinusoidal logistic regression model was used to analyze event data for 6081 calendar days. A cyclic peak risk for SA-AoD was observed for calendar day 304 (p=0.019). The odds ratios for the 3- and 6-month window surrounding this peak were 1.6 (p=0.054) and 1.7 (p=0.0040), respectively. Our results suggest than a seasonal variation exists in the incidence of SA-AoD.

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“…8 Our findings on the hazardous triggering effects of increased geomagnetic activity on stroke are in line with some other observations in association with stroke and other vascular events. 1,3,5 The main limitation of the study was that we were not able to get individual-participant data from ideal population-based studies in Asia, Africa, North and Latin America. Therefore, our findings need to be confirmed in other regions of the world.…”

Section: Discussionmentioning

confidence: 99%

“…1,3,5 The main limitation of the study was that we were not able to get individual-participant data from ideal population-based studies in Asia, Africa, North and Latin America. Therefore, our findings need to be confirmed in other regions of the world.…”

Section: Feigin Et Al Environmental Triggers Of Stroke 1643mentioning

confidence: 99%

Geomagnetic Storms Can Trigger Stroke

Feigin

Parmar

Barker‐Collo

et al. 2014

Stroke

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A lthough research linking cardiovascular disorders to geomagnetic activity during the past 40 years is accumulating, 1-7 robust evidence for the effect of geomagnetic activity (the earth's magnetic field) on stroke occurrence is lacking and remains a matter of controversy. 1,4,6,8 This is because most studies to date are complicated by significant methodological limitations: high likelihood of stroke misclassification and selection bias (eg, official mortality data are particularly inappropriate for studying determinants of stroke occurrence, or use of hospital-based data, including both incident and recurrent strokes in the analysis, inaccurate data on stroke onset, poor neuroimaging verification of stroke types [there are significant differences in the pathogenesis and determinants of different stroke pathological types]), arbitrary selection of a time lag between exposure and outcome (spurious associations), and small sample sizes (type I error). No reliable data exist on effects of geomagnetic activity on the risk of occurrence of different stroke pathological types in various population groups 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<2×10). 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. 9 To determine associations between stroke occurrence and geomagnetic activity, it is important that stroke is seen and studied in a population context as a large proportion of the burden of care for stroke is borne outside the hospital sector.9-11 Furthermore...

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The influence of meteorological and geomagnetic factors on acute myocardial infarction and brain stroke in Moscow, Russia

Cited by 67 publications

References 47 publications

Relationship between weather conditions and admissions for ischemic stroke and subarachnoid hemorrhage

Relationship between weather conditions and admissions for ischemic stroke and subarachnoid hemorrhage

Seasonal incidence of hospital admissions for Stanford type A aortic dissection

Geomagnetic Storms Can Trigger Stroke

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