Is there a multiplicative adverse effect of cardiovascular and kidney disease on neuropsychological measures

Helmes, Edward, Østbye, Truls, and Steenhuis, Runa (2015) Is there a multiplicative adverse effect of cardiovascular and kidney disease on neuropsychological measures. Applied Neuropsychology: Adult, 22 (3). pp. 209-214.

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Abstract

Increasing age is accompanied by increased incidence and comorbidity of various chronic diseases. Many of these conditions, such as cardiovascular and kidney disease, can lead to declines in cognitive functioning. A simple additive effect may be commonly assumed. We here evaluate the hypothesis that such effects may be multiplicative/interactive rather than simply additive, resulting in disproportionate decrements in performance on tests of different cognitive functions. Participants were the 1,782 Canadians aged 65 years and older who completed the clinical assessment of the national Canadian Study of Health and Aging and who were without dementia. Participants were categorized as having either kidney disease, cardiovascular disease, neither, or both. Scores on a measure of verbal fluency showed the predicted interaction effects, but not in the predicted pattern of worst performance in the group with both disorders. Reasons for the relative lack of observed main effects of disease and multiplicative interactions, such as the exclusion of people with dementia and nature of the sample from the community, are discussed.

Item ID: 41136
Item Type: Article (Research - C1)
ISSN: 2327-9109
Keywords: Canada, cardiovascular disease, cognitive impairment, kidney disease, older adults
Funders: National Health Research & Development Program, Canada (NHRDP), Medical Research Council, Canada, Pfizer, Canada, Bayer, B.C. Health Research Foundation, Canadian Institute of Health Research, Merck-Frosst, Jansen-Ortho
Date Deposited: 01 Nov 2015 23:30
FoR Codes: 17 PSYCHOLOGY AND COGNITIVE SCIENCES > 1701 Psychology > 170101 Biological Psychology (Neuropsychology, Psychopharmacology, Physiological Psychology) @ 100%
SEO Codes: 92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920103 Cardiovascular System and Diseases @ 50%
92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920119 Urogenital System and Disorders @ 50%
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