{"id":72434,"date":"2019-01-30T14:36:42","date_gmt":"2019-01-30T14:36:42","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/57104\/"},"modified":"2025-01-13T03:12:22","modified_gmt":"2025-01-13T03:12:22","slug":"57104","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/fr\/diseases\/57104\/","title":{"rendered":"Ost\u00e9omalacie"},"content":{"rendered":"<p>L&#8217;ost\u00e9omalacie est un ramollissement des os. Il s&#8217;agit d&#8217;un d\u00e9faut dans le processus de formation des os, c&#8217;est-\u00e0-dire que l&#8217;organisme n&#8217;est pas capable de se d\u00e9composer et d&#8217;utiliser la vitamine D pour absorber le calcium, n\u00e9cessaire \u00e0 la formation des os et au maintien de leur solidit\u00e9. L&#8217;ost\u00e9omalacie se d\u00e9veloppe principalement en raison d&#8217;un manque de vitamine D. Les os mous sont sujets aux fractures faciles.<\/p>\n<p>L&#8217;ost\u00e9omalacie \u00e9tait fr\u00e9quente dans le pass\u00e9. Comme l&#8217;une des causes est le manque de vitamine D, on accorde aujourd&#8217;hui plus d&#8217;attention aux aliments qui contiennent cette vitamine, \u00e0 l&#8217;exposition au soleil ou \u00e0 une suppl\u00e9mentation appropri\u00e9e.<\/p>\n<p>Bien que tout enfant dont l&#8217;alimentation ne contient pas assez de vitamine D ou de calcium puisse d\u00e9velopper une ost\u00e9omalacie, celle-ci est plus fr\u00e9quente chez les enfants \u00e0 peau fonc\u00e9e, les enfants n\u00e9s pr\u00e9matur\u00e9ment et les enfants prenant des m\u00e9dicaments qui interf\u00e8rent avec la vitamine D. Les adultes plus \u00e2g\u00e9s peuvent \u00e9galement d\u00e9velopper une ost\u00e9omalacie due \u00e0 un apport insuffisant en vitamine D ou chez ceux qui sont hospitalis\u00e9s ou \u00e0 la maison.<\/p>\n<p>L&#8217;ost\u00e9omalacie diff\u00e8re de l&#8217;ost\u00e9oporose car la premi\u00e8re est un d\u00e9faut dans le processus de construction osseuse, tandis que la seconde affaiblit l&#8217;os d\u00e9j\u00e0 construit.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"symptomes-de-losteomalacie\">Sympt\u00f4mes de l&#8217;ost\u00e9omalacie<\/h2>\n<p>Les sympt\u00f4mes de l&#8217;ost\u00e9omalacie sont Les suivants :<\/p>\n<ul>\n<li>Douleur dans les os<\/li>\n<li>Faiblesse musculaire<\/li>\n<li>Maux de dos ou douleurs aux hanches, aux jambes ou aux c\u00f4tes<\/li>\n<li>Fractures partielles, appel\u00e9es zones de Looser, qui peuvent mener \u00e0 des fractures compl\u00e8tes.<\/li>\n<\/ul>\n<p>Ces sympt\u00f4mes sont associ\u00e9s \u00e0 un manque de vitamine D.<\/p>\n<ul>\n<li>Les sympt\u00f4mes de l&#8217;ost\u00e9omalacie due \u00e0 de faibles niveaux de calcium sont les suivants :<\/li>\n<li>Engourdissement autour de la bouche<\/li>\n<li>Engourdissement des bras et des jambes<\/li>\n<li>Spasmes des mains ou des pieds<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Ces sympt\u00f4mes rendent difficile les d\u00e9placements, le fait de se lever, de marcher, de courir ou de monter les escaliers. Les sympt\u00f4mes peuvent s&#8217;att\u00e9nuer pendant le repos.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"causes\">Causes<\/h2>\n<p>La cause de l&#8217;ost\u00e9omalacie est principalement le manque de vitamine D, qui transforme le calcium et le phosphore pour construire des os solides.<\/p>\n<p>L&#8217;organisme a besoin d&#8217;environ 10 microgrammes (\u00b5g) de vitamine D par jour pour se prot\u00e9ger contre l&#8217;ost\u00e9omalacie. La peau peut produire jusqu&#8217;\u00e0 100 \u00b5g par jour en \u00e9t\u00e9, de sorte que le corps stocke la vitamine D pendant les mois d&#8217;hiver.<\/p>\n<p>&nbsp;<\/p>\n<p>D&#8217;autres causes de l&#8217;ost\u00e9omalacie peuvent notamment comprendre :<\/p>\n<ul>\n<li>Apport insuffisant en vitamine D dans l&#8217;alimentation<\/li>\n<li>Exposition insuffisante au soleil<\/li>\n<li>Maladie h\u00e9patique chronique<\/li>\n<li>Maladie c\u0153liaque<\/li>\n<li>Comprim\u00e9s pour l&#8217;\u00e9pilepsie<\/li>\n<li>Insuffisance r\u00e9nale chronique<\/li>\n<li>Chirurgie gastrique<\/li>\n<li>Cancer<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"facteurs-de-risque-de-losteomalacie\">Facteurs de risque de l&#8217;ost\u00e9omalacie<\/h2>\n<p>Les facteurs de risque de l&#8217;ost\u00e9omalacie sont les suivants :<\/p>\n<ul>\n<li>Age &#8211; enfants ou personnes de plus de 65 ans<\/li>\n<li>Peau mate<\/li>\n<li>Exposition insuffisante \u00e0 la lumi\u00e8re du soleil<\/li>\n<li>Grossesse<\/li>\n<li>Ob\u00e9sit\u00e9<\/li>\n<li>V\u00e9g\u00e9tarisme<\/li>\n<li>Alcoolisme<\/li>\n<li>Histoire de famille<\/li>\n<li>Vie en haute latitude<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 id=\"complications\">Complications<\/h2>\n<p>Les complications de l&#8217;ost\u00e9omalacie sont les fractures des os, qui surviennent le plus souvent dans les c\u00f4tes, la colonne vert\u00e9brale et les jambes.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"prevention\">Pr\u00e9vention<\/h2>\n<p>L&#8217;ost\u00e9omalacie peut \u00eatre \u00e9vit\u00e9e par un apport r\u00e9gulier de 10-20 \u00b5g de vitamine D par jour. La vitamine D se trouve dans les poissons gras (saumon, maquereau, sardines), les jaunes d&#8217;\u0153ufs, les champignons. Si la vitamine D est encore insuffisante, des suppl\u00e9ments suffiront. L&#8217;exposition au soleil est \u00e9galement importante, mais pas trop longtemps, car une exposition prolong\u00e9e au soleil peut causer le cancer de la peau.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-72434","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>Ost\u00e9omalacie - 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=\"Ost\u00e9omalacie - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"L&#8217;ost\u00e9omalacie est un ramollissement des os. 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