Document Detail


Vascular risk factors and cognitive impairment in a stroke-free cohort.
MedLine Citation:
PMID:  22067959     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To examine vascular risk factors, as measured by the Framingham Stroke Risk Profile (FSRP), to predict incident cognitive impairment in a large, national sample of black and white adults age 45 years and older.
METHODS: Participants included subjects without stroke at baseline from the Reasons for Geographic and Racial Differences in Stroke (REGARDS) study with at least 2 cognitive function assessments during the follow-up (n = 23,752). Incident cognitive impairment was defined as decline from a baseline score of 5 or 6 (of possible 6 points) to the most recent follow-up score of 4 or less on the Six-item Screener (SIS). Subjects with suspected stroke during follow-up were censored.
RESULTS: During a mean follow-up of 4.1 years, 1,907 participants met criteria for incident cognitive impairment. Baseline FSRP score was associated with incident cognitive impairment. An adjusted model revealed that male sex (odds ratio [OR] = 1.59, 95% confidence interval [CI] 1.43-1.77), black race (OR = 2.09, 95% CI 1.88-2.35), less education (less than high school graduate vs college graduate, OR = 2.21, 95% CI 1.88-2.60), older age (10-year increments, OR = 2.11, per 10-year increase in age, 95% CI 2.05-2.18), and presence of left ventricular hypertrophy (LVH, OR = 1.29, 95% CI 1.06-1.58) were related to development of cognitive impairment. When LVH was excluded from the model, elevated systolic blood pressure was related to incident cognitive impairment.
CONCLUSIONS: Total FSRP score, elevated blood pressure, and LVH predict development of clinically significant cognitive dysfunction. Prevention and treatment of high blood pressure may be effective in preserving cognitive health.
Authors:
F W Unverzagt; L A McClure; V G Wadley; N S Jenny; R C Go; M Cushman; B M Kissela; B J Kelley; R Kennedy; C S Moy; V Howard; G Howard
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Neurology     Volume:  77     ISSN:  1526-632X     ISO Abbreviation:  Neurology     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-09     Completed Date:  2011-12-22     Revised Date:  2013-06-27    
Medline Journal Info:
Nlm Unique ID:  0401060     Medline TA:  Neurology     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1729-36     Citation Subset:  AIM; IM    
Affiliation:
Department of Psychiatry, Indiana University School of Medicine, 1111 W. 10th Street, Suite PB 218A, Indianapolis, IN 46202, USA. funverza@iupui.edu
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MeSH Terms
Descriptor/Qualifier:
Aged
Cognition Disorders / diagnosis,  epidemiology*,  psychology
Cohort Studies
Female
Follow-Up Studies
Humans
Hypertension / diagnosis,  epidemiology*,  psychology
Hypertrophy, Left Ventricular / diagnosis,  epidemiology*,  psychology
Longitudinal Studies
Male
Middle Aged
Risk Factors
Stroke*
Grant Support
ID/Acronym/Agency:
U01 NS041588/NS/NINDS NIH HHS
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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