{"id":181919,"date":"2020-06-16T23:23:48","date_gmt":"2020-06-16T22:23:48","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=181919"},"modified":"2020-06-16T23:23:48","modified_gmt":"2020-06-16T22:23:48","slug":"ce-medicament-est-juge-efficace-contre-le-covid-19","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/ce-medicament-est-juge-efficace-contre-le-covid-19\/","title":{"rendered":"Ce m\u00e9dicament est jug\u00e9 efficace contre le Covid-19"},"content":{"rendered":"<p>Selon les premiers r\u00e9sultats d\u2019un vaste essai clinique men\u00e9 en Grande-Bretagne, la dexamethasone permettrait de r\u00e9duire d\u2019un tiers la mortalit\u00e9 chez les patients les plus atteints du Covid-19. Zoom sur ce m\u00e9dicament de la famille des st\u00e9ro\u00efdes.<br \/>\nIl s\u2019agit d\u2019une avanc\u00e9e majeure dans la lutte contre le coronavirus. \u201cLa dexamethasone est le premier m\u00e9dicament dont on observe qu\u2019il am\u00e9liore la survie en cas de Covid-19\u201d, ont annonc\u00e9 dans un communiqu\u00e9 les responsables d\u2019un essai clinique Recovery, men\u00e9 en Grande-Bretagne. Selon eux, il r\u00e9duit le risque de d\u00e9c\u00e8s de pr\u00e8s d\u2019un tiers pour les patients plac\u00e9s sous respirateurs, et il permettrait d\u2019\u00e9viter une mort sur huit chez les patients plac\u00e9s sous ventilation artificielle. Dans la foul\u00e9e de cette annonce, le ministre de la Sant\u00e9 britannique Matt Hancock a annonc\u00e9 que les services de sant\u00e9 du Royaume-Uni allaient imm\u00e9diatement utiliser le m\u00e9dicament pour traiter la maladie.<\/p>\n<p>*Un corticost\u00e9ro\u00efde puissant<\/p>\n<p>La dexamethasone fait partie du plus grand essai au monde visant \u00e0 tester les m\u00e9dicaments d\u00e9j\u00e0 existants pour voir s\u2019ils fonctionnent \u00e9galement sur le Covid-19. Il s\u2019agit d\u2019un m\u00e9dicament de la famille des st\u00e9ro\u00efdes utilis\u00e9 depuis le d\u00e9but des ann\u00e9es 60 et qui est disponible dans le monde entier. La dexamethasone est d\u00e9j\u00e0 utilis\u00e9e pour traiter un large \u00e9ventail de maladies (telles que la polyarthrite rhumato\u00efde ou l\u2019asthme) pour son effet anti-inflammatoire puissant. Les chercheurs tiennent \u00e0 signaler que ce corticost\u00e9ro\u00efde puissant est seulement efficace pour les patients qui n\u00e9cessitent une assistance respiratoire.<\/p>\n<p>*Un m\u00e9dicament bon march\u00e9<br \/>\nSelon le professeur Martin Landray, chercheur \u00e0 l\u2019universit\u00e9 d\u2019Oxford, \u201cle traitement de dexamethasone dure jusqu\u2019\u00e0 10 jours et co\u00fbte environ 5\u00a3 (5,60 euros) par patient.\u201d Il peut \u00eatre administr\u00e9 par voie intraveineuse en soins intensifs ainsi que sous forme de comprim\u00e9s pour les patients moins gravement malades.<br \/>\nIl semblerait que la dexamethasone aide \u00e0 stopper certains des dommages qui peuvent survenir lorsque le syst\u00e8me immunitaire se met en surcharge alors qu&rsquo;il essaie de combattre le coronavirus. Cette sur-r\u00e9action du corps est appel\u00e9e \u201cchoc cytokinique\u201d (ou \u201corage cytokinique\u201d ou \u201csyndrome de lib\u00e9ration des cytokines\u201d) et peut \u00eatre mortelle. Selon des nombreux scientifiques, le choc cytokinique expliquerait une grande partie des d\u00e9c\u00e8s dus au Covid-19.<\/p>\n<p style=\"text-align: right;\">(Yahoo Actualit\u00e9s)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Selon les premiers r\u00e9sultats d\u2019un vaste essai clinique men\u00e9 en Grande-Bretagne, la dexamethasone permettrait de r\u00e9duire d\u2019un tiers la mortalit\u00e9 chez les patients les plus atteints du Covid-19. Zoom sur&hellip;<\/p>\n","protected":false},"author":60,"featured_media":181921,"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":[],"class_list":["post-181919","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sante"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ce m\u00e9dicament est jug\u00e9 efficace contre le Covid-19 - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"Selon les premiers r\u00e9sultats d\u2019un vaste essai clinique men\u00e9 en Grande-Bretagne, la dexamethasone permettrait de r\u00e9duire d\u2019un tiers la mortalit\u00e9 chez les\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/realites.com.tn\/fr\/ce-medicament-est-juge-efficace-contre-le-covid-19\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ce m\u00e9dicament est jug\u00e9 efficace contre le Covid-19 - 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