{"id":4051,"date":"2017-07-02T01:07:47","date_gmt":"2017-07-02T05:07:47","guid":{"rendered":"https:\/\/ccna-ccnv.ca\/ccna_publication\/association-dual-task-gait-incident-dementia-mild-cognitive-impairment-jama-neurology-2\/"},"modified":"2024-12-03T11:59:48","modified_gmt":"2024-12-03T16:59:48","slug":"association-dual-task-gait-incident-dementia-mild-cognitive-impairment-jama-neurology-2","status":"publish","type":"ccna_publication","link":"https:\/\/ccna-ccnv.ca\/fr\/ccna_publication\/association-dual-task-gait-incident-dementia-mild-cognitive-impairment-jama-neurology-2\/","title":{"rendered":"Association of Dual-Task Gait With Incident Dementia in Mild Cognitive Impairment."},"content":{"rendered":"<p><strong>R\u00c9SUM\u00c9 SIMPLIFI\u00c9<\/strong><\/p>\n<p>Montero-Odasso et ses coll\u00e8gues ont \u00e9tudi\u00e9 la relation entre le risque de d\u00e9velopper une d\u00e9mence et la vitesse de marche lorsque celle-ci est combin\u00e9e avec une t\u00e2che cognitive complexe chez des personnes \u00e2g\u00e9es souffrant de trouble cognitif l\u00e9ger. Le trouble cognitif l\u00e9ger est un trouble mental qui se retrouve chez des personnes \u00e2g\u00e9es pr\u00e9sentant de l\u00e9gers changements sur le plan de la m\u00e9moire et des fonctions mentales. Le trouble cognitif l\u00e9ger est souvent un pr\u00e9curseur de la d\u00e9mence, par contre toutes les personnes souffrant de ce trouble ne d\u00e9veloppent pas la d\u00e9mence. Montero-Odasso et ses coll\u00e8gues ont suivi 112 personnes \u00e2g\u00e9es souffrant de trouble cognitif l\u00e9ger pendant six ans. \u00c0 tous les deux ans, les chercheurs ont demand\u00e9 aux participants \u00e0 l\u2019\u00e9tude de marcher normalement, sans faire de t\u00e2che simultan\u00e9ment (t\u00e2che simple), sur une distance de six m\u00e8tres, et aussi de marcher sur six m\u00e8tres en faisant simultan\u00e9ment une t\u00e2che secondaire requ\u00e9rant de la r\u00e9flexion et de l\u2019attention (t\u00e2che double), soit compter \u00e0 rebours en soustrayant un \u00e0 chaque fois, en soustrayant sept \u00e0 chaque fois, ou nommer des noms d\u2019animaux. Pour toutes ces t\u00e2ches, la vitesse de marche des participants \u00e9tait calcul\u00e9e. Au cours des six ann\u00e9es qu\u2019a dur\u00e9 la recherche, 24% des participants (27\/112) ont d\u00e9velopp\u00e9 une d\u00e9mence. Les chercheurs ont trouv\u00e9 que la vitesse moyenne de marche (t\u00e2che simple) de ces 27 participants \u00e9tait \u00e9quivalente \u00e0 la vitesse moyenne de marche des 85 participants qui n\u2019ont pas d\u00e9velopp\u00e9 une d\u00e9mence. En revanche, la vitesse moyenne de marche des participants qui ont d\u00e9velopp\u00e9 une d\u00e9mence \u00e9tait plus lente que celle des participants qui n\u2019ont pas d\u00e9velopp\u00e9 une d\u00e9mence lors de la marche n\u00e9cessitant d\u2019accomplir une t\u00e2che cognitive complexe simultan\u00e9ment (p.ex. compter \u00e0 rebours, ou nommer des noms d\u2019animaux). En fait, le risque de d\u00e9velopper une d\u00e9mence \u00e9tait deux \u00e0 trois fois plus grand chez les adultes souffrant du trouble cognitif l\u00e9ger dont la vitesse moyenne de marche diminuait d\u2019au moins 20 % lors de la t\u00e2che double en comparaison avec leur vitesse moyenne de marche lors de la t\u00e2che simple. Les r\u00e9sultats de cette \u00e9tude sugg\u00e8rent qu\u2019une diminution importante de la vitesse de marche combin\u00e9e avec une t\u00e2che cognitive complexe comparativement avec la vitesse moyenne de marche normale (non-combin\u00e9e avec une t\u00e2che cognitive complexe) peut \u00eatre utilis\u00e9e par les cliniciens afin de d\u00e9tecter les personnes \u00e2g\u00e9es ayant un trouble cognitif l\u00e9ger qui sont plus susceptibles de d\u00e9velopper une d\u00e9mence.<\/p>\n","protected":false},"author":19,"featured_media":0,"template":"","meta":{"_acf_changed":false},"studies-relation":[],"class_list":["post-4051","ccna_publication","type-ccna_publication","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Association of Dual-Task Gait With Incident Dementia in Mild Cognitive Impairment. - CCNA - CCNV<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ccna-ccnv.ca\/fr\/ccna_publication\/association-dual-task-gait-incident-dementia-mild-cognitive-impairment-jama-neurology-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Association of Dual-Task Gait With Incident Dementia in Mild Cognitive Impairment. - 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