Impact of obesity and the metabolic syndrome on risk factors in African American stroke survivors: A report from the AAASPS

Sean Ruland*, Elena Hung, Dejuran Richardson, Subhasree Misra, Philip B. Gorelick

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Scopus citations


Background: The rates of obesity and the metabolic syndrome and the impact on traditional vascular risk factors in African American stroke survivors are unknown. Objective: To describe the relationships between body mass index (BMI) (calculated as weight in kilograms divided by the square of height in meters) and hypertension, dyslipidemia, and diabetes mellitus. Design: We classified 1711 subjects as underweight (BMI, <18.5), normal (BMI, 18.5-24.9), overweight (BMI, 25.0-29.9), or obesity class 1 (BMI, 30.0-34.9), 2 (BMI, 35.0-39.9), or 3 (BMI, >40.0). We compared the proportions with hypertension, dyslipidemia, and diabetes mellitus and control of these factors by clinical history and results of physical examination and laboratory analysis across BMI groups. Setting: Multicentered clinical trial. Patients: African American subjects with previous ischemic stroke. Main Outcome Measures: Rates of obesity and the metabolic syndrome, odds ratios (ORs) of associated vascular risk factors at baseline, and relationship to longitudinal risk factor control. Results: Overall, 76% were overweight or obese (70% of men and 81% of women). Hypertension, dyslipidemia, and diabetes mellitus were all present in 43.3% of men and 29.1% of women with obesity class 3. The ORs for having the metabolic syndrome were 2.14 (95% confidence interval [CI], 1.52-3.01) for class 1, 1.92 (95% CI, 1.26-2.91) for class 2, and 1.98 (95% CI, 1.27-3.09) for class 3 obesity. In addition, increasing BMI was negatively associated with systolic (P<.001) and diastolic (P<.001) blood pressure and glycemic control (P<.001). Conclusion: Our analysis of the data from the African American Antiplatelet Stroke Prevention Study supports the association of increasing risk factor profiles with increasing weight in African American stroke survivors.

Original languageEnglish (US)
Pages (from-to)386-390
Number of pages5
JournalArchives of Neurology
Issue number3
StatePublished - Mar 2005

ASJC Scopus subject areas

  • Clinical Neurology
  • Arts and Humanities (miscellaneous)


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