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Two-year course of cognitive function and mood in adults with congestive heart failure and coronary artery disease: the Heart-Mind Study

Published online by Cambridge University Press:  01 September 2011

Osvaldo P. Almeida*
Affiliation:
School of Psychiatry and Clinical Neurosciences, University of Western Australia, Perth, Australia Western Australian Centre for Health & Ageing, Centre for Medical Research, University of Western Australia, Perth, Australia Department of Psychiatry, Royal Perth Hospital, Perth, Australia
Christopher Beer
Affiliation:
Western Australian Centre for Health & Ageing, Centre for Medical Research, University of Western Australia, Perth, Australia School of Medicine and Pharmacology, University of Western Australia, Perth, Australia Department of Geriatric Medicine, Royal Perth Hospital, Perth, Australia
Nicola T. Lautenschlager
Affiliation:
School of Psychiatry and Clinical Neurosciences, University of Western Australia, Perth, Australia Western Australian Centre for Health & Ageing, Centre for Medical Research, University of Western Australia, Perth, Australia Academic Unit for Psychiatry of Old Age, St Vincent's Health, Department of Psychiatry, University of Melbourne, Melbourne, Australia
Leonard Arnolda
Affiliation:
Academic Unit of Internal Medicine, Australian National University Medical School, Canberra, Australia
Helman Alfonso
Affiliation:
School of Psychiatry and Clinical Neurosciences, University of Western Australia, Perth, Australia Western Australian Centre for Health & Ageing, Centre for Medical Research, University of Western Australia, Perth, Australia
Leon Flicker
Affiliation:
Western Australian Centre for Health & Ageing, Centre for Medical Research, University of Western Australia, Perth, Australia School of Medicine and Pharmacology, University of Western Australia, Perth, Australia Department of Geriatric Medicine, Royal Perth Hospital, Perth, Australia
*
Correspondence should be addressed to: Professor Osvaldo P. Almeida, WA Centre for Health & Ageing (M573), University of Western Australia, 35 Stirling Highway, Crawley, Perth, WA 6009, Australia. Phone: +61 8 9224 2855. Email: osvaldo.almeida@uwa.edu.au.

Abstract

Background: Congestive heart failure (CHF) has been associated with impaired cognitive function, but it is unclear if these changes are specific to CHF and if they get worse with time. We designed this study to determine if adults with CHF show evidence of cognitive decline compared with adults with and without coronary artery disease (CAD).

Methods: A longitudinal study was carried out of 77 adults with CHF (ejection fraction, EF < 0.4), 73 adults with a clinical history of CAD and EF > 0.6, and 81 controls with no history of CAD. The Cambridge Cognitive Examination of the Elderly (CAMCOG) was the primary outcome measure. Secondary measures included the California Verbal Learning Test (CVLT), digit coding and copying, Hospital Anxiety and Depression Scale (HADS), and the short form health survey (SF36). Endpoints were collected at baseline and after 12 and 24 months.

Results: The adjusted CAMCOG scores of CHF participants declined 0.9 points over two years (p = 0.022) compared with controls without CAD. There were no differences between the groups on other cognitive measures. Participants with CHF and with CAD experienced similar changes in cognitive function over two years. Left ventricular EF and six-minute walk test results could not explain the observed associations.

Conclusions: The changes in cognitive function and mood associated with CHF over two years are subtle and not specific to CHF.

Type
Research Article
Copyright
Copyright © International Psychogeriatric Association 2011

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