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1.
Ann Epidemiol ; 16(1): 33-40, 2006 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-16087349

RESUMO

PURPOSE: To estimate ethnic-specific all-cause mortality risk following ischemic stroke and to compare mortality risk by ethnicity. METHODS: DATA from the Brain Attack Surveillance in Corpus Christi Project, a population-based stroke surveillance study, were used. Stroke cases between January 1, 2000 and December 31, 2002 were identified from emergency department (ED) and hospital sources (n = 1,234). Deaths for the same period were identified from the surveillance of stroke cases, the Texas Department of Health, the coroner, and the Social Security Death Index. Ethnic-specific all-cause cumulative mortality risk was estimated at 28 days and 36 months using Kaplan Meier analysis. Cox proportional hazards regression was used to compare mortality risk by ethnicity. RESULTS: Cumulative 28-day all-cause mortality risk for Mexican Americans (MAs) was 7.8% and for non-Hispanic whites (NHWs) was 13.5%. Cumulative 36-month all-cause mortality risk was 31.3% in MAs and 47.2% in NHWs. MAs had lower 28-day (RR = 0.58; 95% CI: 0.41, 0.84) and 36-month all-cause mortality risk (RR = 0.79, 95% CI: 0.64, 0.98) compared with NHWs, adjusted for confounders. CONCLUSIONS: Better survival after stroke in MAs is surprising considering their similar stroke subtype and severity compared with NHWs. Social or psychological factors, which may explain this difference, should be explored.


Assuntos
Isquemia Encefálica/mortalidade , Americanos Mexicanos/estatística & dados numéricos , Acidente Vascular Cerebral/mortalidade , Idoso , Isquemia Encefálica/etnologia , Causas de Morte , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Vigilância da População , Modelos de Riscos Proporcionais , Acidente Vascular Cerebral/etnologia , Texas/epidemiologia
2.
Am J Epidemiol ; 160(4): 376-83, 2004 Aug 15.
Artigo em Inglês | MEDLINE | ID: mdl-15286023

RESUMO

Mexican Americans are the largest subgroup of Hispanics, the largest minority population in the United States. Stroke is the leading cause of disability and third leading cause of death. The authors compared stroke incidence among Mexican Americans and non-Hispanic Whites in a population-based study. Stroke cases were ascertained in Nueces County, Texas, utilizing concomitant active and passive surveillance. Cases were validated on the basis of source documentation by board-certified neurologists masked to subjects' ethnicity. From January 2000 to December 2002, 2,350 cerebrovascular events occurred. Of the completed strokes, 53% were in Mexican Americans. The crude cumulative incidence was 168/10,000 in Mexican Americans and 136/10,000 in non-Hispanic Whites. Mexican Americans had a higher cumulative incidence for ischemic stroke (ages 45-59 years: risk ratio = 2.04, 95% confidence interval: 1.55, 2.69; ages 60-74 years: risk ratio = 1.58, 95% confidence interval: 1.31, 1.91; ages >or=75 years: risk ratio = 1.12, 95% confidence interval: 0.94, 1.32). Intracerebral hemorrhage was more common in Mexican Americans (age-adjusted risk ratio = 1.63, 95% confidence interval: 1.24, 2.16). The subarachnoid hemorrhage age-adjusted risk ratio was 1.57 (95% confidence interval: 0.86, 2.89). Mexican Americans experience a substantially greater ischemic stroke and intracerebral hemorrhage incidence compared with non-Hispanic Whites. As the Mexican-American population grows and ages, measures to target this population for stroke prevention are critical.


Assuntos
Americanos Mexicanos/estatística & dados numéricos , Acidente Vascular Cerebral/etnologia , População Branca/estatística & dados numéricos , Distribuição por Idade , Idoso , Idoso de 80 Anos ou mais , Hemorragia Cerebral/etnologia , Fibrinolíticos/uso terapêutico , Humanos , Incidência , Ataque Isquêmico Transitório/etnologia , Pessoa de Meia-Idade , Inibidores da Agregação Plaquetária/uso terapêutico , Vigilância da População , Fatores de Risco , Texas/epidemiologia
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