Document Detail

Cognitive impairment predicts functional capacity in dementia-free patients with cardiovascular disease.
MedLine Citation:
PMID:  20714236     Owner:  NLM     Status:  MEDLINE    
BACKGROUND AND RESEARCH OBJECTIVE: A high proportion of elderly people with cardiovascular diseases and risk factors have mild forms of cognitive impairment, the functional impact of which is poorly understood. The aim of this study was to determine whether subtle cognitive impairment contributes to limitations in instrumental activities of daily living in this group and whether this association is independent of physical comorbidity and other potentially confounding factors.
SUBJECTS AND METHODS: Two hundred and nineteen nondemented patients were recruited from cardiovascular and diabetic hospital outpatient clinics. Functional dependence was assessed using the self-report version of the instrumental activities of daily living scale. Cognitive ability was assessed using the Montreal Cognitive Assessment (MoCA). Demographic and clinical information was collected via interview and a review of hospital records. Standard logistic regression was performed to identify factors independently associated with functional status.
RESULTS: Five variables (sex, cardiovascular disease burden, non-cardiovascular disease burden, cognitive status, and age) were independently associated with an increased likelihood of requiring assistance with 1 or more everyday activities. The likelihood of needing assistance increased 2.05 times (95% confidence interval [CI], 1.59-2.79) for each additional cardiovascular diagnosis present and 1.12 times (95% CI, 1.01-1.27) for every point lower on MoCA. Thus, in comparison to a person with a perfect MoCA score, a person who scored in the cognitively impaired range (<23) was 7.7 (CI, 7.07-8.89) times more likely to report that he/she required assistance with an everyday activity.
CONCLUSION: Cognitive impairments appear to reduce the ability to independently carry out routine daily tasks in patients with cardiovascular diseases and risk factors. Cognition should therefore be considered along with physical symptoms when assessing and responding to the support needs of this group.
Skye N McLennan; Jane L Mathias; Lucy C Brennan; Mary E Russell; Simon Stewart
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of cardiovascular nursing     Volume:  25     ISSN:  1550-5049     ISO Abbreviation:  J Cardiovasc Nurs     Publication Date:    2010 Sep-Oct
Date Detail:
Created Date:  2010-08-17     Completed Date:  2010-12-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8703516     Medline TA:  J Cardiovasc Nurs     Country:  United States    
Other Details:
Languages:  eng     Pagination:  390-7     Citation Subset:  IM; N    
School of Psychology, University of Adelaide, South Australia.
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MeSH Terms
Activities of Daily Living*
Age Factors
Aged, 80 and over
Cardiovascular Diseases / epidemiology*
Cognition Disorders / epidemiology*
Disability Evaluation*
Educational Status
Logistic Models
Middle Aged
Neuropsychological Tests

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

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