Background: The genetic epidemiology of ischemic stroke remains relatively unstudied, and information about the genetic epidemiology of ischemic stroke in populations with significant minority representation is currently unavailable. Methods: The Brain Attack Surveillance in Corpus Christi project (BASIC) is a population-based stroke surveillance study conducted in the bi-ethnic community of Nueces County, Texas, USA. Completed ischemic strokes were identified among patients 45 years or older seen at hospitals in the county between January 1, 2000 - December 31, 2002. A random sample of ischemic stroke patients underwent an in-person interview and detailed medical record abstraction (n=400). Outcomes, including initial stroke severity (NIH stroke scale), age at stroke onset, 90-day mortality and functional outcome (modified Rankin scale ≥2), were studied for their association with family history of stroke among a first degree relative using multivariable logistic and linear regression. A chi-square test was used to test the association between family history of stroke and ischemic stroke subtype. Results: The study population was 53.0% Mexican American and 58.4% female. Median age was 73.2 years. Forty percent reported a family history of stroke among a first degree relative. Family history of stroke was borderline significantly associated with stroke subtype (p=0.0563). Family history was associated with poor functional outcome in the multivariable model (OR=1.87; 95% CI: 1.14-3.09). Family history was not significantly related to initial stroke severity, age at stroke onset, or 90-day mortality. Conclusion: Family history of stroke was related to ischemic stroke subtype and to functional status at discharge. More research is needed to understand whether stroke subtype would be a useful selection criterion for genetic association studies and to hypothesize about a possible genetic link to recovery following ischemic stroke. © 2005 Lisabeth et al., licensee BioMed Central Ltd.
CITATION STYLE
Lisabeth, L. D., Smith, M. A., Brown, D. L., Uchino, K., & Morgenstern, L. B. (2005). Family history and stroke outcome in a bi-ethnic, population-based stroke surveillance study. BMC Neurology, 5. https://doi.org/10.1186/1471-2377-5-20
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