{"id":195472,"date":"2020-11-17T18:28:54","date_gmt":"2020-11-17T17:28:54","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=195472"},"modified":"2020-11-17T18:28:54","modified_gmt":"2020-11-17T17:28:54","slug":"les-patients-du-groupe-sanguin-o-resistent-mieux-a-la-covid_19","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/les-patients-du-groupe-sanguin-o-resistent-mieux-a-la-covid_19\/","title":{"rendered":"Les patients du groupe sanguin \u00ab\u00a0O\u00a0\u00bb r\u00e9sistent mieux \u00e0 la Covid_19"},"content":{"rendered":"<p>Certains groupes sanguins r\u00e9sistent mieux au coronavirus selon des scientifiques chinois. Ceux-ci avaient expliqu\u00e9, au printemps dernier, que les anticorps naturels de notre groupe sanguin seraient des armes contre l&rsquo;infection par le coronavirus, selon l\u2019Agence TAP.<\/p>\n<p>D&rsquo;apr\u00e8s les \u00e9tudes men\u00e9es sur 1.800 malades du Covid_19 dans trois h\u00f4pitaux \u00e0 Wuhan et Shenzen, le virus frappe davantage les membres du groupe sanguin A que O, avec une probabilit\u00e9 relative de 1,20 et 0,67, respectivement.<\/p>\n<p>Ce constat vient d&rsquo;\u00eatre confirm\u00e9 par de nouvelles \u00e9tudes. La premi\u00e8re a \u00e9t\u00e9 r\u00e9alis\u00e9e au Danemark sur 500.000 individus test\u00e9s entre fin f\u00e9vrier et d\u00e9but juillet, selon la revue scientifique europ\u00e9enne \u00a0\u00bb Sciences et Vie \u00ab\u00a0.<\/p>\n<p>7.400 \u00e9taient positifs. Parmi ces malades, 38,4 % \u00e9taient du groupe O. Un taux inf\u00e9rieur \u00e0 celui du groupe O dans la population totale danoise de 2,2 millions (41,7%). Les auteurs de l&rsquo;\u00e9tude en ont conclu que les personnes du groupe sanguin O avaient \u00e9vit\u00e9 l&rsquo;infection de mani\u00e8re disproportionn\u00e9e.<\/p>\n<p>Une seconde \u00e9tude, publi\u00e9e dans le journal Blood Advances, s&rsquo;est int\u00e9ress\u00e9e \u00e0 95 patients atteints d&rsquo;une forme grave de covid_19 dans des h\u00f4pitaux de Vancouver au Canada, entre f\u00e9vrier et avril.<\/p>\n<p>Les individus de groupe sanguin O et B passent en moyenne 4,5 jours de moins en soins intensifs que ceux du groupe A et AB, constatent l&rsquo;\u00e9quipe de chercheurs qui a men\u00e9 cette \u00e9tude.<\/p>\n<p>Par ailleurs, selon l&rsquo;\u00e9tude, 61 % des patients de groupe O ou B ont eu besoin d&rsquo;un ventilateur, contre 84 % des patients de groupe A ou AB. Ces derniers \u00e9taient \u00e9galement plus susceptibles d&rsquo;avoir recours \u00e0 une dialyse.<\/p>\n<p>En effet, les groupes sanguins d\u00e9finissent des cat\u00e9gories d&rsquo;individus suivant la vari\u00e9t\u00e9 d&rsquo;antig\u00e8nes et d&rsquo;anticorps pr\u00e9sents sur les globules rouges. Il existe plusieurs classifications dont les principales sont ABO et Rh\u00e9sus (Rh) rappelle la m\u00eame source.<\/p>\n<p>Le syst\u00e8me ABO qui permet de classer les diff\u00e9rents groupes sanguins, a \u00e9t\u00e9 d\u00e9couvert en 1900 par Landsteiner. Ces groupes sanguins sont au nombre de quatre (A, B, AB et O) et se diff\u00e9rencient par la pr\u00e9sence, l&rsquo;absence ou la combinaison des antig\u00e8nes A ou B \u00e0 la surface des globules rouges.<\/p>\n<p>La d\u00e9termination du groupe et du facteur rh\u00e9sus est faite \u00e0 chaque d\u00e9but de grossesse et avant toute intervention chirurgicale. Le groupe sanguin est d\u00e9termin\u00e9 lors d&rsquo;une prise de sang de routine ou lors des dons de sang. Il est ainsi conseill\u00e9 d&rsquo;avoir sur soi une carte de groupe sanguin en cas d&rsquo;accident m\u00eame si la d\u00e9termination du groupe sanguin a lieu avant chaque transfusion.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Certains groupes sanguins r\u00e9sistent mieux au coronavirus selon des scientifiques chinois. Ceux-ci avaient expliqu\u00e9, au printemps dernier, que les anticorps naturels de notre groupe sanguin seraient des armes contre l&rsquo;infection&hellip;<\/p>\n","protected":false},"author":112,"featured_media":104469,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2515],"tags":[2533,3012],"class_list":["post-195472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sante","tag-covid_19","tag-sang"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les patients du groupe sanguin &quot;O&quot; r\u00e9sistent mieux \u00e0 la Covid_19 - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"Certains groupes sanguins r\u00e9sistent mieux au coronavirus selon des scientifiques chinois. 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