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Association entre l’anxiété et le déclin cognitif chez les personnes âgées vivant dans la communauté

  • Carol Hudon (a1) (a2), Andrée Anne Bujold (a1) (a2), Olivier Potvin (a1), Michel Préville (a3) (a4), Philippe Voyer (a2) (a5), Philippe Landreville (a2) (a5) and Sébastien Grenier (a6)...
Abstract

The present study was conducted to determine whether anxiety among community-dwelling elders is associated with cognitive decline over a period of one year as well as to verify whether there are sex differences in the association between anxiety and cognitive decline. Participants (n=1942) were community-dwelling adults aged 65–96 years assessed at study entry (T0) and one year later (T1). Anxiety was identified with a semi-structured interview and cognitive functioning was assessed using the Mini-Mental State Examination. Results revealed that the presence of a clinically significant anxiety disorder did not predict cognitive decline in men and women. Subclinical anxiety symptoms predicted cognitive decline in women only. Moreover, for men, the presence of symptoms from at least two anxiety disorders predicted cognitive decline. For women, cognitive decline was predicted by the presence of symptoms from one anxiety disorder only. Overall, the results illustrate the role of anxiety in cognitive decline in community-dwelling older adults.

Le premier objectif de cette étude consiste à déterminer si l’anxiété (clinique ou sous-clinique), chez les aînés, est associée au déclin cognitif sur une période d’un an. Le deuxième objectif est de vérifier l’existence de différences entre les hommes et les femmes quant à l’association entre l’anxiété et le déclin cognitif. Un échantillon populationnel de 1942 participants, âgés entre 65 et 96 ans, a été évalué à l’entrée dans l’étude (T0) et un an plus tard (T1). L’anxiété a été identifiée sur la base d’une entrevue semi-structurée et le fonctionnement cognitif a été évalué avec le Mini-Mental State Examination. Les résultats révèlent que la présence d’un trouble anxieux ne prédit pas le déclin cognitif chez les hommes et les femmes. L’anxiété sous-clinique prédit un déclin cognitif, mais chez les femmes seulement. Par ailleurs, chez les hommes, la présence de symptômes appartenant à plus d’un trouble anxieux prédit un déclin cognitif. Chez les femmes, le déclin est prédit par la présence de symptômes appartenant à un seul trouble anxieux. Ces résultats illustrent le rôle de l’anxiété dans le déclin cognitif des personnes âgées vivant dans la population générale.

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Corresponding author
La correspondance et les demandes de tirés-à-part doivent être adressées à: / Correspondence and requests for offprints should be sent to:Carol Hudon, Ph.D.Centre de recherche de l’Institut universitaire en santé mentale de Québec2601, de la Canardière (F-2447)Québec, QC G1J 2G3(carol.hudon@psy.ulaval.ca)
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Canadian Journal on Aging / La Revue canadienne du vieillissement
  • ISSN: 0714-9808
  • EISSN: 1710-1107
  • URL: /core/journals/canadian-journal-on-aging-la-revue-canadienne-du-vieillissement
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