{"id":72506,"date":"2019-01-31T13:40:33","date_gmt":"2019-01-31T13:40:33","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/atrophie-corticale-posterieure\/"},"modified":"2025-01-13T03:13:27","modified_gmt":"2025-01-13T03:13:27","slug":"atrophie-corticale-posterieure","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/fr\/diseases\/atrophie-corticale-posterieure\/","title":{"rendered":"Atrophie corticale post\u00e9rieure"},"content":{"rendered":"<p>L&#8217;atrophie corticale post\u00e9rieure (ACP), \u00e9galement appel\u00e9e syndrome de Benson, est un trouble rare et d\u00e9g\u00e9n\u00e9ratif du cerveau et du syst\u00e8me nerveux qui entra\u00eene une diminution progressive de la vision. Les sympt\u00f4mes courants comprennent les difficult\u00e9s \u00e0 lire, \u00e0 juger les distances et \u00e0 reconna\u00eetre les objets et les visages familiers. Cette condition peut \u00e9ventuellement entra\u00eener un d\u00e9clin des capacit\u00e9s cognitives. L&#8217;atrophie corticale post\u00e9rieure peut \u00eatre associ\u00e9e \u00e0 la maladie d&#8217;Alzheimer, \u00e0 la d\u00e9mence \u00e0 corps de Lewy ou \u00e0 d&#8217;autres troubles neurologiques.<\/p>\n<p>En tant que maladie neurologique, c&#8217;est une forme de d\u00e9mence qui est g\u00e9n\u00e9ralement consid\u00e9r\u00e9e comme une variante atypique de la maladie d&#8217;Alzheimer. La maladie provoque l&#8217;atrophie de la partie post\u00e9rieure du cortex c\u00e9r\u00e9bral, ce qui perturbe progressivement le traitement visuel complexe.<\/p>\n<h2 id=\"\"><\/h2>\n<h2 id=\"symptomes\">Sympt\u00f4mes<\/h2>\n<p>Comme la r\u00e9gion post\u00e9rieure du cerveau est responsable du traitement visuel, les fonctions visuelles sont alt\u00e9r\u00e9es chez les patients atteints d&#8217;ACP. L&#8217;atrophie est progressive ; les sympt\u00f4mes pr\u00e9coces comprennent des difficult\u00e9s de lecture, une vision floue, une sensibilit\u00e9 accrue \u00e0 la lumi\u00e8re vive ou aux surfaces brillantes, une vision double, des probl\u00e8mes de perception de la profondeur et des difficult\u00e9s de navigation dans l&#8217;espace. Parmi les autres sympt\u00f4mes, mentionnons notamment un trouble de la planification des mouvements, une difficult\u00e9 \u00e0 lire et un trouble de la reconnaissance des objets.<\/p>\n<p>Au fur et \u00e0 mesure que la neurod\u00e9g\u00e9n\u00e9rescence s&#8217;\u00e9tend, des sympt\u00f4mes plus graves apparaissent, notamment l&#8217;incapacit\u00e9 de reconna\u00eetre les personnes, les objets et les lieux familiers et parfois des hallucinations visuelles. De plus, les patients peuvent \u00e9prouver de la difficult\u00e9 \u00e0 faire des mouvements de guidage vers des objets et peuvent \u00e9prouver un d\u00e9clin de leurs capacit\u00e9s de lecture et d&#8217;\u00e9criture. De plus, si la mort neurale se propage dans d&#8217;autres r\u00e9gions corticales ant\u00e9rieures, des sympt\u00f4mes semblables \u00e0 ceux de la maladie d&#8217;Alzheimer, comme la perte de m\u00e9moire, peuvent survenir. Hormis cela, l&#8217;anxi\u00e9t\u00e9 et la d\u00e9pression sont \u00e9galement fr\u00e9quentes chez les patients atteints d&#8217;ACP.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"causes\">Causes<\/h2>\n<p>Comme pour la maladie d&#8217;Alzheimer, les causes de l&#8217;ACP sont inconnues et aucune mutation g\u00e9n\u00e9tique \u00e9vidente n&#8217;a \u00e9t\u00e9 d\u00e9montr\u00e9e comme \u00e9tant li\u00e9e \u00e0 cette maladie. On ne sait pas non plus si les facteurs de risque de la maladie d&#8217;Alzheimer sont \u00e9galement des facteurs de risque de l&#8217;ACP.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"facteurs-de-risque\">Facteurs de risque<\/h2>\n<p>L&#8217;ACP touche habituellement les personnes \u00e0 un \u00e2ge plus pr\u00e9coce que les cas typiques de la maladie d&#8217;Alzheimer, les premiers sympt\u00f4mes se manifestant souvent chez les personnes dans la cinquantaine ou au d\u00e9but de la soixantaine.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"complications\">Complications<\/h2>\n<p>Au fur et \u00e0 mesure que la maladie progresse, la recherche de mots, la m\u00e9moire quotidienne et les fonctions cognitives g\u00e9n\u00e9rales peuvent \u00eatre affect\u00e9es, et les gens d\u00e9veloppent les sympt\u00f4mes typiques de la maladie d&#8217;Alzheimer. Dans les derniers stades de la maladie, les gens peuvent avoir des mouvements saccad\u00e9s de leurs membres et m\u00eame des convulsions.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-72506","disease","type-disease","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Atrophie corticale post\u00e9rieure - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Atrophie corticale post\u00e9rieure - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"L&#8217;atrophie corticale post\u00e9rieure (ACP), \u00e9galement appel\u00e9e syndrome de Benson, est un trouble rare et d\u00e9g\u00e9n\u00e9ratif du cerveau et du syst\u00e8me nerveux qui entra\u00eene une diminution progressive de la vision. 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