Stroke in a French Prospective Population Study

Giroud, M.; Beuriat, Pierre-Aurélien; Vion, P; d’Athis, Philippe; Dusserre, L.; Dumas, R

doi:10.1159/000110171

Cited by 84 publications

(49 citation statements)

References 4 publications

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“…However, the proportion of subarachnoid hemorrhage in the present study was lower than in other previous studies in Japan (10,16,17,22) and almost similar to those in the United States and in France (19,23). Some previous studies showed that more than 75% of subarachnoid hemorrhage cases occurred in the age group under 60 years old (24,25).…”

Section: Seasonal Variationssupporting

confidence: 51%

“…Some people may suggest that the high proportion of cerebral hemorrhage and high rate of performing CT in the present study reflects the poor identification of cerebral infarction with mild symptoms. However, this suspicion is off the point because the case-fatality rate within 30 days after onset was not high but rather low in comparison with previous studies (18)(19)(20) and case ascertainment was estimated to be almost complete. Poor management of hypertension may be one of the reasons for the high proportion of cerebral hemorrhage in Okinawa.…”

Section: Seasonal Variationsmentioning

confidence: 69%

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An Epidemiological Analysis of Cardiovascular Diseases in Okinawa, Japan.

et al. 1992

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The purpose of the present study is to determine accurate incidence rates of stroke and acute myocardial infarction among the residents in Okinawa, where the census population was 1,222,398 in 1990 and mortality due to cerebrovascular and heart diseases is lowest in Japan. A co-operative study group including almost all hospitals and clinics in Okinawa was established for the survey. Between April 1, 1988 and March 31, 1991, 4,756 cases of stroke and 1,059cases of acute myocardial infarction were identified. The average age-adjusted annual incidence per 100,000 population was 137 for stroke and 31 for acute myocardial infarction. In the population aged 40 years and older, the respective values were 315 and 72, indicating the stroke incidence to be 4.4 times higher than that of acute myocardial infarction. The incidence ratio for men to women was 1.7: 1 for stroke and 2.9: 1 for acute myocardial infarction. Among stroke cases, 51.3% were diagnosed as cerebral infarction, 35.7% as cerebral hemorrhage, 7.7% as subarachnoid hemorrhage and 5.3% as others. Computed tomography of the head was performed in 98.4% of all stroke cases. The case ascertainment, evaluated by comparing the registered cases and death certificates in a certain city, was almost complete. The incidence of acute myocardial infarction is still much lower than that of stroke in Japan. (Hypertens Res 1992;15: 111-119)

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Section: Seasonal Variationssupporting

confidence: 51%

Section: Seasonal Variationsmentioning

confidence: 69%

An Epidemiological Analysis of Cardiovascular Diseases in Okinawa, Japan.

et al. 1992

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“…The higher stroke incidence in males could be explained by data from the Brazilian Ministry of Health, which showed a higher prevalence of risk factors for stroke among males in 15 Brazilian state capitals, including the state where Matão city is located. 30 The 30-day and 1-year case fatality rates were among the lowest reported in the literature, [21][22][23][25][26][27][28]31,32 only exceeding those observed in Scotland 24 and in Rochester. 33 This fact could be explained by the high proportion of lacunar infarcts, which have also shown a low mortality in other studies.…”

Section: Discussionmentioning

confidence: 91%

“…Whereas only 6.0% of the Brazilian population is older than 65 years, in other studies this percentage ranges from 13.1% to 21%. [21][22][23][24][25][26][27] The fact that stroke is a disease that mainly affects elderly people can be one reason explaining the low overall crude incidence rate of 108 per 100 000 persons when compared with other series. A low overall crude incidence rate of 73.6 per 100 000 was also observed in a populationbased study performed in Iquique, Chile, 28 a South American country with a socioeconomic level similar to that of Brazil and with 5.5% inhabitants older than 65 years.…”

Section: Discussionmentioning

confidence: 99%

Stroke Incidence, Prognosis, 30-Day, and 1-Year Case Fatality Rates in Matão, Brazil

Minelli¹,

Fen²,

Minelli³

2007

Stroke

137

102

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Background and Purpose-Stroke is the main cause of death in Brazil and no prospective population-based study has been conducted in the country. The purpose of this study was to determine the incidence of stroke, stroke subtypes, case fatality, and prognosis after 1 year of follow-up in the city of Matão, Brazil. Methods-Using overlapping methods of case ascertainment, all stroke cases that occurred in the city of Matão (population, 75 053) from November 1, 2003 to October 31, 2004 were followed-up at 1 month and 1 year after the episode. Standard criteria for population-based stroke studies were followed. Results-Of 141 suspect stroke cases identified, 81 were first-ever-in-a-lifetime strokes. All patients underwent a CT scan. The crude annual incidence rate per 100 000 per year was 108 (95% CI, 85.7-134.1) and the rate adjusted for sex and age to the Segi population was 137 (95% CI, 112.0 to 166.4) per 100 000 inhabitants per year. Ischemic stroke occurred in 69 (85.2%) subjects, intracerebral hemorrhage in 11 (13.6%), and subarachnoid hemorrhage in 1 (1.2%). The 30-day case fatality rate was 18.5 and the 1-year case fatality rate was 30.9%. After 1 year of follow-up, 43% of the patients were independent in activities of daily living, 49.4% had independent gait, and 15.9% had a recurrent stroke. Conclusions-The present results are similar to those obtained in other stroke population-based studies. Future studies in Matão will provide the opportunity to discover ways to decrease the stroke burden in Brazil. (Stroke.

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“…Most studies have demonstrated that the incidence of stroke increases in the winter and spring and decreases in the summer and autumn. [3][4][5][6][7][8][9][10][11] However, some studies have reported increases in the incidence of stroke in response to dramatic temperature changes in the spring and autumn, [12][13][14] whereas in other studies, no seasonal variation has been demonstrated. [15][16][17] Because most previous studies have addressed large regions with varying climate, studies on smaller regions with similar weather and environments could provide important information on this topic.…”

mentioning

confidence: 99%

Effect of Seasonal and Monthly Variation in Weather and Air Pollution Factors on Stroke Incidence in Seoul, Korea

Han

Kim

et al. 2015

Stroke

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Background and Purpose-The purpose of the present study was to determine whether seasonal and monthly variations in stroke incidence exist and whether they are related to meteorologic and air pollution parameters under similar weather and environmental conditions in selected areas of Seongdong district, Seoul, South Korea. Methods-From January 1, 2004, to December 31, 2013, 3001 consecutive stroke events were registered in residents of selected areas of Seongdong district, Seoul, South Korea. The authors calculated the stroke attack rate per 100 000 people per month and the relative risk of stroke incidence associated with meteorologic and air pollution parameters. We also analyzed odds ratios with a 95% confidence interval for seasonal and monthly stroke incidence. Results-The incidence of stroke in September was significantly higher (odds ratio, 1.233; 95% confidence interval, 1.042-1.468) compared with January. The seasonal ischemic stroke incidence in summer (odds ratio, 1.183; 95% confidence interval, 1.056-1.345) was significantly higher than in winter, whereas the seasonal incidence of intracerebral hemorrhage relative to winter was not significant. The mean temperature was positively correlated with ischemic stroke (relative risk, 1.006; P=0.003), and nitrogen dioxide (relative risk, 1.262; P=0.001) showed a strong positive correlation with intracerebral hemorrhage incidence among the older age group. Conclusions-We demonstrated distinct patterns of seasonal and monthly variation in the incidence of stroke and its subtypes through consideration of the meteorologic and air pollution parameters. We therefore expect that these findings may enhance our understanding of the relationships between stroke and weather and pollutants.

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Stroke in a French Prospective Population Study

Cited by 84 publications

References 4 publications

An Epidemiological Analysis of Cardiovascular Diseases in Okinawa, Japan.

An Epidemiological Analysis of Cardiovascular Diseases in Okinawa, Japan.

Stroke Incidence, Prognosis, 30-Day, and 1-Year Case Fatality Rates in Matão, Brazil

Effect of Seasonal and Monthly Variation in Weather and Air Pollution Factors on Stroke Incidence in Seoul, Korea

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