{"id":72343,"date":"2019-01-30T12:08:00","date_gmt":"2019-01-30T12:08:00","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/creatinine-2\/"},"modified":"2025-01-13T03:11:02","modified_gmt":"2025-01-13T03:11:02","slug":"creatinine","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/fr\/diseases\/creatinine\/","title":{"rendered":"Cr\u00e9atinine"},"content":{"rendered":"<h2 id=\"quest-ce-que-la-creatinine\">Qu&#8217;est-ce que la cr\u00e9atinine ?<\/h2>\n<p>La cr\u00e9atinine est un compos\u00e9 azot\u00e9 d\u00e9riv\u00e9 de la cr\u00e9atine, une substance pr\u00e9sente dans les muscles du corps humain, et est une mol\u00e9cule d&#8217;importance majeure pour la production d&#8217;\u00e9nergie dans les muscles. Dans une moindre mesure, nous obtenons de la cr\u00e9atinine par la consommation d&#8217;aliments. La cr\u00e9atinine est une mol\u00e9cule de d\u00e9chets chimiques produite par le m\u00e9tabolisme musculaire. Environ 2 % de la cr\u00e9atine de l&#8217;organisme est convertie en cr\u00e9atinine chaque jour. La cr\u00e9atinine se forme avec l&#8217;activit\u00e9 musculaire, puis elle est transport\u00e9e dans la circulation sanguine, puis filtr\u00e9e par les reins et finalement excr\u00e9t\u00e9e dans l&#8217;urine.<\/p>\n<p>Parce que la masse musculaire du corps est relativement constante d&#8217;un jour \u00e0 l&#8217;autre, la production de cr\u00e9atinine dans notre corps demeure normale, essentiellement inchang\u00e9e sur une base quotidienne. De l\u00e9g\u00e8res augmentations des taux de cr\u00e9atine peuvent appara\u00eetre apr\u00e8s les repas, surtout apr\u00e8s l&#8217;ingestion de grandes quantit\u00e9s de viande, et certaines variations diurnes peuvent se produire, avec un point bas dans la journ\u00e9e \u00e0 7 h et un pic \u00e0 19 h. Des troubles r\u00e9naux graves, comme la glom\u00e9rulon\u00e9phrite, la py\u00e9lon\u00e9phrite et une obstruction urinaire, entra\u00eeneront une augmentation anormale de la cr\u00e9atinine.<\/p>\n<p>Bien qu&#8217;il s&#8217;agisse d&#8217;un d\u00e9chet, la cr\u00e9atinine remplit une fonction diagnostique vitale et est consid\u00e9r\u00e9e d&#8217;une importance significative pour assurer une fonction r\u00e9nale saine et appropri\u00e9e dans le corps humain. La cr\u00e9atinine s&#8217;est av\u00e9r\u00e9e \u00eatre un indicateur assez fiable des fonctions r\u00e9nales.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"pourquoi-mesurer-le-taux-de-creatinine\">Pourquoi mesurer le taux de cr\u00e9atinine ?<\/h2>\n<p>Le test sanguin \u00e0 la cr\u00e9atinine mesure les niveaux de cr\u00e9atinine contenus dans le sang du patient. Il s&#8217;agit d&#8217;un examen de routine, mais il peut \u00e9galement \u00eatre prescrit en cas de suspicion d&#8217;insuffisance r\u00e9nale, en cas de maladie r\u00e9nale ou de dialyse. Le taux de cr\u00e9atinine est interpr\u00e9t\u00e9 conjointement avec un autre test de la fonction r\u00e9nale appel\u00e9 azote ur\u00e9ique sanguin (AUS). Les taux de cr\u00e9atinine s\u00e9rique ont \u00e0 peu pr\u00e8s la m\u00eame signification que le test de l&#8217;azote ur\u00e9ique sanguin, mais ils ont tendance \u00e0 augmenter plus tard. C&#8217;est pourquoi le dosage de la cr\u00e9atinine aide \u00e0 chroniciser le processus d&#8217;une maladie. G\u00e9n\u00e9ralement un doublement de la cr\u00e9atinine dans le corps humain, sugg\u00e8re une r\u00e9duction de 50% du taux de filtration r\u00e9nale, aussi connu sous le nom de taux de filtration glom\u00e9rulaire (TFG).<\/p>\n<p>Les valeurs normales g\u00e9n\u00e9rales sont les suivantes : femme adulte : 0,5 \u00e0 1,1 mg\/dL, homme adulte : 0,6 \u00e0 1,2 mg\/dL, adolescent : 0,5 \u00e0 1,0 mg\/dL, enfant : 0,3 \u00e0 0,7 mg\/dL, nourrisson : 0,2 \u00e0 0,4 mg\/dL, nouveau-n\u00e9 : 0,3 \u00e0 1,2 mg\/dL.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"norme-de-preparation\">Norme de pr\u00e9paration<\/h2>\n<p>L&#8217;\u00e9chantillonnage se fait habituellement le matin \u00e0 l&#8217;h\u00f4pital. Aucune pr\u00e9paration particuli\u00e8re n&#8217;est n\u00e9cessaire pour ce test. Le m\u00e9decin vous conseillera et vous recommandera si vous devez \u00eatre \u00e0 jeun avant l&#8217;examen sanguin. Vous devriez informer votre m\u00e9decin de tout m\u00e9dicament que vous prenez avant l&#8217;examen, car certains traitements m\u00e9dicaux peuvent interf\u00e9rer avec les r\u00e9sultats sanguins.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"lexamen-est-il-douloureux-ou-dangereux\">L&#8217;examen est-il douloureux ou dangereux ?<\/h2>\n<p>L&#8217;examen n&#8217;est ni douloureux ni dangereux. Le patient peut ressentir une sensation de picotement \u00e0 l&#8217;entr\u00e9e de l&#8217;aiguille dans le bras lors de l&#8217;extraction du sang pour examen.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"comment-se-deroule-lexamen\">Comment se d\u00e9roule l&#8217;examen ?<\/h2>\n<p>L&#8217;examen consiste en une simple prise de sang.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-72343","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>Cr\u00e9atinine - 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=\"Cr\u00e9atinine - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Qu&#8217;est-ce que la cr\u00e9atinine ? 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