{"id":7203,"date":"2026-06-01T13:04:08","date_gmt":"2026-06-01T10:04:08","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/syndrome-bulbaire\/"},"modified":"2026-06-25T12:13:47","modified_gmt":"2026-06-25T09:13:47","slug":"syndrome-bulbaire","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossaire\/syndrome-bulbaire\/","title":{"rendered":"Syndrome bulbaire"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Le syndrome bulbaire (du latin <em>bulbus<\/em> \u2014 bulbe) est un complexe de sympt\u00f4mes neurologiques graves, bas\u00e9 sur une l\u00e9sion focale de la portion inf\u00e9rieure du tronc c\u00e9r\u00e9bral. <\/p>\n\n<p class=\"wp-block-paragraph\">La pathologie se d\u00e9veloppe en cas de l\u00e9sion des noyaux ou des racines de trois nerfs cr\u00e2niens en m\u00eame temps : le glossopharyngien, le vague et l&rsquo;hypoglosse.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x44D;&#x442;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\"><strong>\u00c9tiologie et physiopathologie<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">La moelle allong\u00e9e est un centre vital, reliant l&rsquo;enc\u00e9phale \u00e0 la moelle \u00e9pini\u00e8re. En cas de blessure cranio-c\u00e9r\u00e9brale grave, les dommages sont rarement primaires. Le plus souvent, les structures du tronc sont affect\u00e9es secondairement &#8211; elles sont s\u00e9v\u00e8rement comprim\u00e9es et coinc\u00e9es dans le grand foramen occipital du cr\u00e2ne en raison d&rsquo;un \u0153d\u00e8me croissant des h\u00e9misph\u00e8res (processus d&rsquo;engagement).<\/p>\n\n<p class=\"wp-block-paragraph\">La compression ou l&rsquo;isch\u00e9mie des noyaux moteurs du 9e, 10e et 12e paires de nerfs cr\u00e2niens entra\u00eene le d\u00e9veloppement d&rsquo;une paralysie flasque (p\u00e9riph\u00e9rique) des muscles du pharynx, du larynx, du palais mou et de la langue. Le processus pathologique d\u00e9truit compl\u00e8tement le complexe acte r\u00e9flexe de d\u00e9glutition et de phonation.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\"><strong>Importance clinique<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Le syndrome se manifeste par la triade classique et extr\u00eamement dangereuse de sympt\u00f4mes. Il y a dysphagie (incapacit\u00e9 totale \u00e0 avaler des aliments ou de la salive), dysarthrie (parole indistincte et brouill\u00e9e) et dysphonie (enrouement de la voix ou perte de celle-ci). L&rsquo;examen r\u00e9v\u00e8le l&rsquo;absence de r\u00e9flexe pharyng\u00e9 et l&rsquo;affaissement du palais mou.<\/p>\n\n<p class=\"wp-block-paragraph\">Cet \u00e9tat repr\u00e9sente une menace directe pour la vie du patient. En raison de la paralysie des muscles du pharynx et de l&rsquo;\u00e9piglotte, la salive et les aliments p\u00e9n\u00e8trent librement dans les voies respiratoires (aspiration), ce qui conduit in\u00e9vitablement \u00e0 l&rsquo;asphyxie ou au d\u00e9veloppement d&rsquo;une pneumonie d&rsquo;aspiration s\u00e9v\u00e8re. De plus, les centres respiratoire et vasomoteur sont situ\u00e9s \u00e0 c\u00f4t\u00e9 de ces noyaux, dont la compression entra\u00eene un arr\u00eat cardiaque et respiratoire. Les patients avec ce syndrome n\u00e9cessitent un transfert imm\u00e9diat \u00e0 la respiration artificielle et \u00e0 l&rsquo;alimentation par sonde.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le syndrome bulbaire (du latin <em>bulbus<\/em> \u2014 bulbe) est un complexe de sympt\u00f4mes neurologiques graves, bas\u00e9 sur une l\u00e9sion focale de la portion inf\u00e9rieure du tronc c\u00e9r\u00e9bral. <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-7203","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Syndrome bulbaire : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Le syndrome bulbaire (du latin bulbus \u2014 bulbe) est un complexe de sympt\u00f4mes neurologiques graves, bas\u00e9 sur 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