Weather, Chinook, and Stroke Occurrence

Field, Thalia S.; Hill, Michael D.

doi:10.1161/01.str.0000020384.92499.59

Cited by 68 publications

(63 citation statements)

References 46 publications

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“…66 However, other studies have failed to produce consistent support for this hypothesis. [67][68][69][70] Moreover, it is unlikely that season could have confounded the data presented here, because both advertising campaigns covered more than one season (late autumn, winter, spring, and early summer for the first campaign, and winter, spring, and most of the summer for the second campaign).…”

Section: Discussionmentioning

confidence: 93%

Can Mass Media Influence Emergency Department Visits for Stroke?

Hodgson

Lindsay

Rubini

2007

Stroke

158

156

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Background and Purpose-Television advertising has been associated with significant increases in the knowledge of the warning signs of stroke among Ontarians aged 45 and older. However, to date there has been little data on the relationship between knowledge of the warning signs of stroke and behavior. Methods-Data on presentation to regional and enhanced district stroke center emergency departments were obtained from the a 5-month advertising blackout. There was a significant increase in the mean number of emergency department visits for stroke over the study period. A campaign effect independent of year was observed for total presentations, presentation within 5 hours of last seen normal, and presentation within 2.5 hours. For TIAs there was a strong campaign effect but no change in the number of presentations by year. Conclusions-Continuous advertising may be required to build and sustain public awareness of the warning signs of stroke. There are many factors that may influence presentation for stroke and awareness of the warning signs may be only one. However, results of this study suggest there may be an important correlation between the advertising and emergency department presentations with stroke, particularly for TIAs.

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Section: Discussionmentioning

confidence: 93%

Can Mass Media Influence Emergency Department Visits for Stroke?

Hodgson

Lindsay

Rubini

2007

Stroke

158

156

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“…[7][8][9][10] But some studies found such relationship. [2,[11][12][13][14] Possible relationships were noted between daily cases, daily mean temperature, and atmospheric pressure; [7] between daily temperature, air pressure, and relative humidity; [8] between daily mean temperature, air pressure, mean wind speed, maximum wind speed, relative humidity, and Chinook winds; [9] and between daily weather conditions [10] in different countries. However, there was no statistically signifi cant relationship.…”

Section: Discussionmentioning

confidence: 99%

The relationship between ischemic stroke and weather conditions in Duzce, Turkey

Gunes¹,

Kandiş²,

Sarıtaş³

et al. 2015

World Journal of Emergency Medicine

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BACKGROUND:Weather conditions are thought to increase the risk of stroke occurrence. But their mechanism has not yet been clarifi ed. We investigated possible relationships between ischemic stroke and weather conditions including atmospheric pressure, temperature, relative humidity, and wind speed. METHODS:One hundred and twenty-eight patients with ischemic stroke who had been admitted to our hospital between January 1 and December 31, 2010 were enrolled in this study. We investigated the relationship between daily cases and weather conditions the same day or 1, 2, and 3 days before stroke. RESULTS:A negative correlation was found between maximum wind speed and daily cases 3 days before stroke. As the relationship between daily cases and changes of weather conditions in consecutive days was evaluated, a negative correlation was found between daily cases and change of atmospheric pressure in the last 24 hours. CONCLUSIONS:The maximum wind speed 3 days before stroke and change of atmospheric pressure in the last 24 hours were found to increase the cases of ischemic stroke. We recommend that individuals at risk of ischemic stroke should pay more attention to preventive measures, especially on days with low maximum wind speed, on subsequent 3 days, and on days with low atmospheric pressure in the last 24 hours.

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“…12 One study found no difference in stroke incidence rates between days with abrupt changes in weather conditions and those without such changes. 22 We ranked states based on mean winter temperature, mean summer temperature and latitude. Although we found no association with geographic region based on either latitude or seasonal mean temperature, other characterizations of the regional variability in temperature or other weather conditions may be associated with increased risk of ischemic stroke.…”

Section: Discussionmentioning

confidence: 99%

Geographic Patterns in Overall and Specific Cardiovascular Disease Incidence in Apparently Healthy Men in the United States

Rich¹,

Gaziano²,

Kurth³

2007

Stroke

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Background and Purpose-Residence in the Southeastern United States (US) has been linked to increased stroke incidence and mortality. However, data on regional variability in overall cardiovascular disease (CVD) and specific coronary heart disease incidence are sparse. Methods-We assessed the risk of major CVD (nonfatal stroke, nonfatal myocardial infarction, or death from CVD) and specific CVD associated with region of residence (Northeast, Southeast, Midwest, and West) in 17 927 apparently healthy male participants of the Physicians' Health Study. Subjects were aged 40 to 84, most were white (93%), and had no previous CVD at baseline. We used residence in the Northeast as the reference group and proportional hazards models to adjust for potential confounding. Results-We found no difference in risk of major CVD between regions of residence. Further, we found no consistent association between myocardial infarction and CVD death and region of residence. In contrast, we found a significantly increased risk of total stroke (HR, 1.22; 95% CI, 1.02 to 1.47) associated with residence in the Southeast compared with the Northeast. This relative risk was further increased for ischemic stroke (HR, 1.30; 95% CI, 1.06 to 1.58). We saw no difference in risk of any outcome when categorizing state of residence into tertiles based on mean winter temperature, mean summer temperature, or into 2 groups based on latitude. Conclusions-In this homogenous and well-characterized cohort of US male physicians, we found greater incidence of ischemic stroke, but not other vascular events among those living in the Southeastern US, compared with other regions.

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Weather, Chinook, and Stroke Occurrence

Cited by 68 publications

References 46 publications

Can Mass Media Influence Emergency Department Visits for Stroke?

Can Mass Media Influence Emergency Department Visits for Stroke?

The relationship between ischemic stroke and weather conditions in Duzce, Turkey

Geographic Patterns in Overall and Specific Cardiovascular Disease Incidence in Apparently Healthy Men in the United States

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