{"id":181332,"date":"2022-01-11T10:00:00","date_gmt":"2022-01-11T10:00:00","guid":{"rendered":"https:\/\/www.webdo.tn\/fr\/actualite\/blog\/une-premiere-un-coeur-de-porc-greffe-avec-succes-sur-un-humain\/181332\/"},"modified":"2025-05-22T12:13:33","modified_gmt":"2025-05-22T12:13:33","slug":"une-premiere-un-coeur-de-porc-greffe-avec-succes-sur-un-humain","status":"publish","type":"post","link":"https:\/\/www.webdo.tn\/fr\/actualite\/international\/une-premiere-un-coeur-de-porc-greffe-avec-succes-sur-un-humain\/181332\/","title":{"rendered":"Une premi\u00e8re : Un c\u0153ur de porc greff\u00e9 avec succ\u00e8s sur un humain"},"content":{"rendered":"<p>Il s&rsquo;agit d&rsquo;une premi\u00e8re mondiale et surtout d&rsquo;une avanc\u00e9e chirurgicale majeure qui ouvre de nouveaux horizons quant \u00e0 la p\u00e9nurie d&rsquo;organes.<\/p>\n<p>Des chirurgiens am\u00e9ricains ont r\u00e9ussi \u00e0 greffer sur un patient de 57 ans, un coeur issu d&rsquo;un porc g\u00e9n\u00e9tiquement modifi\u00e9, a annonc\u00e9, ce lundi 10 janvier 2022 l&rsquo;\u00e9cole de m\u00e9decine de l&rsquo;universit\u00e9 du Maryland.<\/p>\n<p>\u00ab\u00a0L&rsquo;op\u00e9ration a \u00e9t\u00e9 men\u00e9e vendredi et a permis de montrer pour la premi\u00e8re fois qu&rsquo;un coeur d&rsquo;animal pouvait continuer \u00e0 fonctionner \u00e0 l&rsquo;int\u00e9rieur d&rsquo;un humain sans rejet imm\u00e9diat\u00a0\u00bb, a expliqu\u00e9 l&rsquo;institution dans un communiqu\u00e9.<\/p>\n<p>David Bennett, 57 ans, qui a re\u00e7u le coeur porcin, avait \u00e9t\u00e9 d\u00e9clar\u00e9 in\u00e9ligible \u00e0 recevoir une greffe humaine. Il est d\u00e9sormais \u00e9troitement suivi par les m\u00e9decins pour s&rsquo;assurer que son nouvel organe fonctionne correctement.<\/p>\n<p>La transplantation a \u00e9t\u00e9 r\u00e9alis\u00e9e par le chirurgien Bartley Griffith. Selon ce dernier, il s&rsquo;agit \u00ab\u00a0d&rsquo;une avanc\u00e9e chirurgicale majeure et qui nous rapproche encore un peu plus d&rsquo;une solution \u00e0 la p\u00e9nurie d&rsquo;organes\u00a0\u00bb.<\/p>\n<p>Il a expliqu\u00e9 que le porc dont provient le coeur greff\u00e9 a \u00e9t\u00e9 g\u00e9n\u00e9tiquement modifi\u00e9 pour ne plus produire un type de sucre pr\u00e9sent normalement sur toutes les cellules des porcs et qui provoque un rejet imm\u00e9diat de l&rsquo;organe.<\/p>\n<p>Cette modification g\u00e9n\u00e9tique, effectu\u00e9e par l&rsquo;entreprise Revivicor, avait d\u00e9j\u00e0 \u00e9t\u00e9 r\u00e9alis\u00e9e sur un rein de porc que des chirurgiens avaient connect\u00e9 avec succ\u00e8s aux vaisseaux sanguins d&rsquo;un patient en \u00e9tat de mort c\u00e9r\u00e9brale \u00e0 New York en octobre.<\/p>\n<p>La transplantation du coeur porcin a toutefois \u00e9t\u00e9 possible gr\u00e2ce \u00e0 nouveau m\u00e9dicament exp\u00e9rimental et \u00e0 plusieurs autres m\u00e9dicaments anti-rejet habituels, pour inhiber le syst\u00e8me immunitaire et emp\u00eacher que le corps rejette l&rsquo;organe.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une premi\u00e8re : Un c\u0153ur de porc greff\u00e9 avec succ\u00e8s sur un humain<\/p>\n","protected":false},"author":3222,"featured_media":366964,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2598],"tags":[],"class_list":["post-181332","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-international"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Une premi\u00e8re : Un c\u0153ur de porc greff\u00e9 avec succ\u00e8s sur un humain<\/title>\n<meta name=\"description\" content=\"Une premi\u00e8re : Un c\u0153ur de porc greff\u00e9 avec succ\u00e8s 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