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Neuropsychological profiles of vascular disease and risk of dementia: Implications for defining vascular cognitive impairment no dementia (VCI-ND)

Lookup NU author(s): Dr Blossom Stephan, Dr Thais Minett, Stephanie Harrison, Professor Fiona Matthews, Professor Carol Brayne

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

© The Author 2017. Published by Oxford University Press on behalf of the British Geriatrics Society. All rights reserved. Background: vascular cognitive impairment no dementia (VCI-ND) defines a preclinical phase of cognitive decline associated with vascular disorders. The neuropsychological profile of VCI-ND may vary according to different vascular conditions. Objective: to determine the neuropsychological profile of individuals with no dementia and vascular disorders, including hypertension, peripheral vascular disease (PVD), coronary heart disease (CHD), diabetes and stroke. Risk of 2-year incident dementia in individuals with disease and cognitive impairment was also tested. Methods: participants were from the Cognitive Function and Ageing Study. At baseline, 13,004 individuals aged ≥65 years were enrolled into the study. Individuals were grouped by baseline disorder status (present, absent) for each condition. Cognitive performance was assessed using the Mini Mental State Examination (MMSE) and the Cambridge Cognitive Examination (CAMCOG). Dementia was assessed at 2 years. Results: in the cross-sectional analysis, hypertension, PVD and CHD were not associated with cognitive impairment. Stroke was associated with impaired global (MMSE) and CAMCOG sub-scale (including memory and non-memory) scores. Diabetes was associated with impairments in global cognitive function (MMSE) and abstract thinking. In the longitudinal analysis, cognitive impairments were associated with incident dementia in all groups. Conclusion: the neuropsychological profile in individuals with vascular disorders depends on the specific condition investigated. In all conditions cognitive impairment is a risk factor for dementia. A better understanding of which cognitive domains are affected in different disease groups could help improve operationalisation of the neuropsychological criteria for VCI-ND and could also aid with the development of dementia risk prediction models in persons with vascular disease.


Publication metadata

Author(s): Stephan BCM, Minett T, Muniz-Terrera G, Harrison SL, Matthews FE, Brayne C

Publication type: Article

Publication status: Published

Journal: Age and Ageing

Year: 2017

Volume: 46

Issue: 5

Pages: 755-760

Print publication date: 01/09/2017

Online publication date: 14/02/2017

Acceptance date: 02/04/2016

ISSN (print): 0002-0729

ISSN (electronic): 1468-2834

Publisher: Oxford University Press

URL: https://doi.org/10.1093/ageing/afx016

DOI: 10.1093/ageing/afx016


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