{"id":72412,"date":"2019-01-30T14:08:05","date_gmt":"2019-01-30T14:08:05","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/anemie-megaloblastique\/"},"modified":"2025-01-13T03:12:03","modified_gmt":"2025-01-13T03:12:03","slug":"anemie-megaloblastique","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/fr\/diseases\/anemie-megaloblastique\/","title":{"rendered":"An\u00e9mie m\u00e9galoblastique"},"content":{"rendered":"<p>L&#8217;an\u00e9mie m\u00e9galoblastique est un type d&#8217;an\u00e9mie caus\u00e9e par une carence en vitamine B-12 ou en acide folique dans le corps. La vitamine B-12 et l&#8217;acide folique jouent un r\u00f4le cl\u00e9 dans la production des globules rouges. La carence de l&#8217;une ou de l&#8217;autre cause de l&#8217;an\u00e9mie m\u00e9galoblastique, lorsque des globules rouges anormaux (m\u00e9galoblastes) sont form\u00e9s dans la moelle osseuse, tandis que la production des \u00e9rythrocytes est r\u00e9duite. Par cons\u00e9quent, le sang ne peut pas fournir suffisamment d&#8217;oxyg\u00e8ne aux organes.<\/p>\n<p>Ce type d&#8217;an\u00e9mie est plus fr\u00e9quent chez les personnes de plus de 40 ans.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"symptomes\">Sympt\u00f4mes<\/h2>\n<p>Les sympt\u00f4mes de l&#8217;an\u00e9mie m\u00e9galoblastique sont semblables \u00e0 ceux de tous les types d&#8217;an\u00e9mie aux premiers stades et se d\u00e9veloppent lentement. Ces sympt\u00f4mes sont les suivants :<\/p>\n<ul>\n<li>\u00c9puisement<\/li>\n<li>Faiblesse<\/li>\n<li>P\u00e2leur<\/li>\n<li>Essoufflement, m\u00eame en cas de faible effort<\/li>\n<li>Rythme cardiaque rapide<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Avec le temps, ces sympt\u00f4mes peuvent s&#8217;aggraver. Une carence en acide folique n&#8217;entra\u00eene pas n\u00e9cessairement d&#8217;autres sympt\u00f4mes, mais une carence en vitamine B-12 peut endommager le syst\u00e8me nerveux, avec les sympt\u00f4mes suivants :<\/p>\n<ul>\n<li>Engourdissement des mains et des pieds<\/li>\n<li>Fatigue<\/li>\n<li>Perte d&#8217;\u00e9quilibre<\/li>\n<li>Perte de m\u00e9moire<\/li>\n<li>D\u00e9sarroi<\/li>\n<li>Jaunisse<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"causes\">Causes<\/h2>\n<p>La cause de l&#8217;an\u00e9mie m\u00e9galoblastique est une carence en vitamine B-12 et en acide folique. La carence en vitamine B-12 est la cons\u00e9quence d&#8217;une maladie auto-immune, lorsque le corps produit des anticorps qui endommagent la paroi de l&#8217;estomac et l&#8217;emp\u00eachent de produire le facteur interne qui absorbe la vitamine B-12 des nutriments. Ce type d&#8217;an\u00e9mie m\u00e9galoblastique, connue sous le nom d&#8217;an\u00e9mie pernicieuse (dangereuse), peut \u00eatre h\u00e9r\u00e9ditaire et est plus fr\u00e9quent chez les femmes atteintes d&#8217;autres maladies auto-immunes, comme la thyro\u00efdite de Hashimoto.<\/p>\n<p>&nbsp;<\/p>\n<p>D&#8217;autres causes peuvent notamment inclure :<\/p>\n<ul>\n<li>Maladie c\u0153liaque<\/li>\n<li>Chirurgie abdominale<\/li>\n<li>An\u00e9mie<\/li>\n<li>Leuc\u00e9mie<\/li>\n<li>Conditions g\u00e9n\u00e9tiques<\/li>\n<\/ul>\n<p>La carence en acide folique est une cons\u00e9quence d&#8217;une mauvaise alimentation, de la consommation d&#8217;alcool, de la grossesse, de maladies comme le psoriasis ou de m\u00e9dicaments (anticonvulsivants ou anticanc\u00e9reux).<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"facteurs-de-risque\">Facteurs de risque<\/h2>\n<p>Les facteurs de risque d&#8217;an\u00e9mie m\u00e9galoblastique sont Les suivants :<\/p>\n<ul>\n<li>Le genre, la g\u00e9n\u00e9tique et le mode de vie selon les causes sous-jacentes<\/li>\n<li>Alimentation v\u00e9g\u00e9tarienne<\/li>\n<li>Grossesse<\/li>\n<li>Troubles intestinaux<\/li>\n<li>L&#8217;alcool, qui emp\u00eache l&#8217;absorption de l&#8217;acide folique<\/li>\n<li>M\u00e9dicaments<\/li>\n<li>Traitement anticanc\u00e9reux<\/li>\n<li>Faible consommation de fruits et l\u00e9gumes<\/li>\n<li>H\u00e9modialyse<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"complications\">Complications<\/h2>\n<p>Les complications de l&#8217;an\u00e9mie m\u00e9galoblastique surviennent si elle n&#8217;est pas trait\u00e9e. Celles-ci peuvent notamment inclure :<\/p>\n<ul>\n<li>Dommages permanents au syst\u00e8me nerveux<\/li>\n<li>Cancer gastrique<\/li>\n<li>Complications de la grossesse (naissance pr\u00e9matur\u00e9e, malformations cong\u00e9nitales du cerveau et de la moelle \u00e9pini\u00e8re)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"prevention\">Pr\u00e9vention<\/h2>\n<p>La pr\u00e9vention de l&#8217;an\u00e9mie m\u00e9galoblastique n&#8217;est peut-\u00eatre pas possible, mais vous pouvez :<\/p>\n<ul>\n<li>Apporter des changements au mode de vie<\/li>\n<li>Manger des l\u00e9gumes et des fruits qui contiennent de la vitamine B-12 et de l&#8217;acide folique ; ne pas boire d&#8217;alcool<\/li>\n<li>Arr\u00eater de fumer<\/li>\n<li>R\u00e9duire la consommation d&#8217;alcool<\/li>\n<\/ul>\n","protected":false},"featured_media":0,"template":"","class_list":["post-72412","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>An\u00e9mie m\u00e9galoblastique - 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=\"An\u00e9mie m\u00e9galoblastique - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"L&#8217;an\u00e9mie m\u00e9galoblastique est un type d&#8217;an\u00e9mie caus\u00e9e par une carence en vitamine B-12 ou en acide folique dans le corps. 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