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Stroke in Indigenous Africans, African Americans, and European Americans: Interplay of Racial and Geographic Factors.
Owolabi, Mayowa; Sarfo, Fred; Howard, Virginia J; Irvin, Marguerite R; Gebregziabher, Mulugeta; Akinyemi, Rufus; Bennett, Aleena; Armstrong, Kevin; Tiwari, Hemant K; Akpalu, Albert; Wahab, Kolawole W; Owolabi, Lukman; Fawale, Bimbo; Komolafe, Morenikeji; Obiako, Reginald; Adebayo, Philip; Manly, Jennifer M; Ogbole, Godwin; Melikam, Ezinne; Laryea, Ruth; Saulson, Raelle; Jenkins, Carolyn; Arnett, Donna K; Lackland, Daniel T; Ovbiagele, Bruce; Howard, George.
Afiliação
  • Owolabi M; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Sarfo F; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Howard VJ; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Irvin MR; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Gebregziabher M; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Akinyemi R; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Bennett A; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Armstrong K; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Tiwari HK; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Akpalu A; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Wahab KW; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Owolabi L; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Fawale B; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Komolafe M; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Obiako R; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Adebayo P; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Manly JM; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Ogbole G; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Melikam E; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Laryea R; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Saulson R; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Jenkins C; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Arnett DK; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Lackland DT; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Ovbiagele B; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
  • Howard G; From the Department of Medicine (M.O., E.M.) and Department of Radiology (G.O.), University of Ibadan, Nigeria; Department of Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana (F.S.); Department of Epidemiology (V.J.H., M.R.I.) and Department of Biostatistics (A.B., H.K.T., G.H.), University o
Stroke ; 48(5): 1169-1175, 2017 05.
Article em En | MEDLINE | ID: mdl-28389611
ABSTRACT
BACKGROUND AND

PURPOSE:

The relative contributions of racial and geographic factors to higher risk of stroke in people of African ancestry have not been unraveled. We compared stroke type and contributions of vascular risk factors among indigenous Africans (IA), African Americans (AA), and European Americans (EA).

METHODS:

SIREN (Stroke Investigative Research and Educational Network) is a large multinational case-control study in West Africa-the ancestral home of 71% AA-whereas REGARDS (Reasons for Geographic and Racial Differences in Stroke) is a cohort study including AA and EA in the United States. Using harmonized assessments and standard definitions, we compared data on stroke type and established risk factors for stroke in acute stroke cases aged ≥55 years in both studies.

RESULTS:

There were 811 IA, 452 AA, and 665 EA stroke subjects, with mean age of 68.0±9.3, 73.0±8.3, and 76.0±8.3 years, respectively (P<0.0001). Hemorrhagic stroke was more frequent among IA (27%) compared with AA (8%) and EA (5.4%; P<0.001). Lacunar strokes were more prevalent in IA (47.1%), followed by AA (35.1%) and then EA (21.0%; P<0.0001). The frequency of hypertension in decreasing order was IA (92.8%), followed by AA (82.5%) and then EA (64.2%; P<0.0001) and similarly for diabetes mellitus IA (38.3%), AA (36.8%), and EA (21.0%; P<0.0001). Premorbid sedentary lifestyle was similar in AA (37.7%) and EA (34.0%) but lower frequency in IA (8.0%).

CONCLUSIONS:

Environmental risk factors such as sedentary lifestyle may contribute to the higher proportion of ischemic stroke in AA compared with IA, whereas racial factors may contribute to the higher proportion of hypertension and diabetes mellitus among stroke subjects of African ancestry.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Negro ou Afro-Americano / Hemorragia Cerebral / Isquemia Encefálica / Acidente Vascular Cerebral / População Negra / População Branca / Comportamento Sedentário / Hipertensão Tipo de estudo: Etiology_studies / Observational_studies / Risk_factors_studies Limite: Aged / Female / Humans / Male / Middle aged País/Região como assunto: Africa / America do norte Idioma: En Revista: Stroke Ano de publicação: 2017 Tipo de documento: Article
Texto completo
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XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Negro ou Afro-Americano / Hemorragia Cerebral / Isquemia Encefálica / Acidente Vascular Cerebral / População Negra / População Branca / Comportamento Sedentário / Hipertensão Tipo de estudo: Etiology_studies / Observational_studies / Risk_factors_studies Limite: Aged / Female / Humans / Male / Middle aged País/Região como assunto: Africa / America do norte Idioma: En Revista: Stroke Ano de publicação: 2017 Tipo de documento: Article