{"id":72465,"date":"2019-01-31T09:28:03","date_gmt":"2019-01-31T09:28:03","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/numeration-globulaire\/"},"modified":"2025-01-13T03:12:51","modified_gmt":"2025-01-13T03:12:51","slug":"numeration-globulaire","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/fr\/diseases\/numeration-globulaire\/","title":{"rendered":"Num\u00e9ration globulaire"},"content":{"rendered":"<h2 id=\"quest-ce-que-la-numeration-globulaire\"><strong>Qu\u2019est-ce que la num\u00e9ration globulaire\u00a0?<\/strong><\/h2>\n<p>Le test de num\u00e9ration globulaire est l\u2019un des tests de laboratoire clinique de base les plus courants pour compter les cellules sanguines pr\u00e9sentes dans le sang (comme celles des globules rouges, des globules blancs et des plaquettes) en suspension dans la partie liquide du sang (plasma). C\u2019est parce qu\u2019il nous permet de recueillir beaucoup de donn\u00e9es \u00e0 partir de diverses composantes de l\u2019examen. Ce test est souvent effectu\u00e9 dans le cadre d\u2019un examen physique de routine. Il peut fournir des informations pr\u00e9cieuses sur le sang et les tissus h\u00e9matopo\u00ef\u00e9tiques, en particulier ceux de la moelle osseuse d\u2019un patient, ainsi que sur d\u2019autres syst\u00e8mes de l\u2019organisme.<\/p>\n<p>Le test peut comprendre\u00a0:<\/p>\n<ul>\n<li>H\u00e9matocrite\u00a0: pourcentage de la partie corpusculaire totale du sang, constitu\u00e9e principalement de globules rouges.<\/li>\n<li>H\u00e9moglobine\u00a0: prot\u00e9ine pr\u00e9sente dans les globules rouges, charg\u00e9e du transport de l\u2019oxyg\u00e8ne vers l\u2019organisme.<\/li>\n<li>Globules rouges<\/li>\n<li>Volume corpusculaire moyen des globules rouges.<\/li>\n<li>Teneur moyenne en h\u00e9moglobine des globules rouges.<\/li>\n<li>Concentration moyenne d\u2019h\u00e9moglobine dans les globules rouges.<\/li>\n<li>Distribution du volume de globules rouges.<\/li>\n<li>Globules blancs (ou leucocytes)\u00a0: les globules blancs mesurent la diff\u00e9rence entre le nombre et le pourcentage de neutrophiles, lymphocytes, \u00e9osinophiles et basophiles.<\/li>\n<li>Plaquettes<\/li>\n<\/ul>\n<h2 id=\"pourquoi-mesurer-la-numeration-globulaire\"><strong>Pourquoi mesurer la num\u00e9ration globulaire\u00a0?<\/strong><\/h2>\n<p>Dans un dessin, l\u2019examen nous permet d\u2019avoir une num\u00e9ration globulaire compl\u00e8te, qui est en fait une s\u00e9rie de tests dans lesquels le nombre de globules rouges, de globules blancs et de plaquettes dans un volume donn\u00e9 de sang sont compt\u00e9s, et de nombreux param\u00e8tres importants de la quantit\u00e9 de cellules pr\u00e9sentes dans le sang. La num\u00e9ration globulaire mesure \u00e9galement la teneur en h\u00e9moglobine et le volume de globules rouges (h\u00e9matocrite), \u00e9value la taille et la forme des globules rouges, et d\u00e9termine les types et les pourcentages de globules blancs. Les composants de la num\u00e9ration globulaire compl\u00e8te (h\u00e9moglobine, h\u00e9matocrite, globules blancs, plaquettes, etc.) peuvent \u00e9galement \u00eatre analys\u00e9s s\u00e9par\u00e9ment et sont parfois analys\u00e9s de cette fa\u00e7on lorsqu\u2019un m\u00e9decin veut surveiller un \u00e9tat particulier, comme la num\u00e9ration globulaire d\u2019un patient atteint de leuc\u00e9mie ou l\u2019h\u00e9moglobine d\u2019un patient ayant re\u00e7u r\u00e9cemment une transfusion de sang. Cependant, en raison de sa valeur en tant qu\u2019indicateur de l\u2019\u00e9tat de sant\u00e9 g\u00e9n\u00e9ral d\u2019une personne, la num\u00e9ration globulaire compl\u00e8te est le plus souvent command\u00e9e.<\/p>\n<p>La num\u00e9ration globulaire varie en valeur en fonction de l\u2019\u00e2ge et du sexe. La num\u00e9ration normale des globules rouges varie de 4,2 \u00e0 5,4 millions de globules rouges par microlitre de sang chez les hommes et de 3,6 \u00e0 5,0 millions de globules rouges chez les femmes.<\/p>\n<h2 id=\"norme-de-preparation\"><strong>Norme de pr\u00e9paration<\/strong><\/h2>\n<p>L\u2019\u00e9chantillonnage se fait habituellement le matin \u00e0 l\u2019h\u00f4pital. Aucune pr\u00e9paration particuli\u00e8re n\u2019est n\u00e9cessaire pour ce test. Le m\u00e9decin vous conseillera et vous recommandera si vous devez \u00eatre \u00e0 jeun avant l\u2019examen sanguin. Vous devriez informer votre m\u00e9decin de tout m\u00e9dicament que vous prenez avant l\u2019examen, car certains traitements m\u00e9dicaux peuvent interf\u00e9rer avec les r\u00e9sultats sanguins.<\/p>\n<h2 id=\"lexamen-est-il-douloureux-ou-dangereux\"><strong>L\u2019examen est-il douloureux ou dangereux\u00a0?<\/strong><\/h2>\n<p>L\u2019examen n\u2019est ni douloureux ni dangereux. Le patient peut ressentir une sensation de picotement \u00e0 l\u2019entr\u00e9e de l\u2019aiguille dans le bras lors de l\u2019extraction du sang pour examen.<\/p>\n<h2 id=\"comment-se-deroule-lexamen\"><strong>Comment se d\u00e9roule l\u2019examen\u00a0?<\/strong><\/h2>\n<p>L\u2019examen consiste en une simple prise de sang.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-72465","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>Num\u00e9ration globulaire - 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=\"Num\u00e9ration globulaire - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Qu\u2019est-ce que la num\u00e9ration globulaire\u00a0? 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