{"id":3842,"date":"2026-03-16T13:02:13","date_gmt":"2026-03-16T10:02:13","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/fracture-du-pendu\/"},"modified":"2026-04-01T18:36:24","modified_gmt":"2026-04-01T15:36:24","slug":"fracture-du-pendu","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossary\/fracture-du-pendu\/","title":{"rendered":"Fracture du pendu"},"content":{"rendered":"\n<p>Fracture du pendu (du mot anglais <em>hangman<\/em> \u2014 bourreau ; <em>la d\u00e9nomination est due \u00e0 la similitude biom\u00e9canique avec le traumatisme subi lors d&rsquo;une pendaison judiciaire<\/em>) est une fracture bilat\u00e9rale sp\u00e9cifique des p\u00e9dicules de l&rsquo;avant-deuxi\u00e8me vert\u00e8bre cervicale. <\/p>\n\n<p>L&rsquo;accident entra\u00eene une s\u00e9paration anatomique compl\u00e8te de l&rsquo;arc post\u00e9rieur par rapport au corps de la vert\u00e8bre et engendre une instabilit\u00e9 marqu\u00e9e.<\/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>Historiquement, le m\u00e9canisme de cette blessure \u00e9tait associ\u00e9 \u00e0 l&rsquo;ex\u00e9cution par pendaison. Une hyperextension soudaine et puissante de la t\u00eate vers l&rsquo;arri\u00e8re, combin\u00e9e \u00e0 une tension du cou sous le poids du corps tombant, entra\u00eenait une s\u00e9paration des arcs de l&rsquo;axis et une rupture fatale de la moelle spinale.<\/p>\n\n<p>Dans la traumatologie civile moderne, la grande majorit\u00e9 de ces fractures r\u00e9sultent d&rsquo;accidents de la route. Le sc\u00e9nario typique est un choc violent du visage ou du menton contre le volant ou le pare-brise, provoquant une hyperextension explosive du cou et une compression axiale.<\/p>\n\n<p>La ligne de fracture traverse strictement la partie la plus faible de la deuxi\u00e8me vert\u00e8bre, soit sa partie interarticulaire. En cons\u00e9quence, la partie ant\u00e9rieure de la vert\u00e8bre (le corps et l&rsquo;apophyse odonto\u00efde) perd la connexion m\u00e9canique avec les structures post\u00e9rieures fixantes et glisse vers l&rsquo;avant, ce qui est d\u00e9sign\u00e9 en biom\u00e9canique par spondylolisth\u00e9sis.<\/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>La blessure appartient \u00e0 la cat\u00e9gorie des fractures instables. Le degr\u00e9 de gravit\u00e9 est \u00e9valu\u00e9 selon des classifications sp\u00e9cifiques qui tiennent compte de la magnitude du d\u00e9placement vert\u00e9bral et de la pr\u00e9sence d&rsquo;une d\u00e9formation angulaire.<\/p>\n\n<p>Comme dans le cas de la fracture de Jefferson, les patients peuvent \u00eatre admis sans d\u00e9ficit neurologique apparent. La s\u00e9paration et le maintien de l&rsquo;arc post\u00e9rieur sur place \u00e9largit fonctionnellement le canal vert\u00e9bral, procurant un espace suppl\u00e9mentaire \u00e0 la moelle spinale.<\/p>\n\n<p>Cependant, l&rsquo;instabilit\u00e9 du segment cr\u00e9e une menace constante de t\u00e9trapl\u00e9gie retard\u00e9e m\u00eame pour le moindre mouvement du cou. Le traitement repose sur des principes d&rsquo;immobilisation rigide : de l&rsquo;application du dispositif Halo \u00e0 la r\u00e9alisation d&rsquo;une spondylod\u00e8se ant\u00e9rieure avec plaques m\u00e9talliques.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La fracture du pendu (de l&rsquo;anglais <em>hangman<\/em> \u2014 bourreau, ex\u00e9cuteur; <em>le nom est d\u00fb \u00e0 sa similarit\u00e9 biom\u00e9canique avec la blessure li\u00e9e \u00e0 la pendaison judiciaire<\/em>) est une fracture sp\u00e9cifique bilat\u00e9rale des p\u00e9dicules de l&rsquo;arc du deuxi\u00e8me vert\u00e8bre cervicale. <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-3842","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 v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fracture du pendu : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"La fracture du pendu (de l&#039;anglais hangman \u2014 bourreau, ex\u00e9cuteur; le nom est d\u00fb \u00e0 sa similarit\u00e9 biom\u00e9canique avec la blessure li\u00e9e \u00e0 la pendaison judiciaire) est une fracture sp\u00e9cifique bilat\u00e9rale des p\u00e9dicules de l&#039;arc du deuxi\u00e8me vert\u00e8bre cervicale.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wiki.voka.io\/fr\/glossary\/fracture-du-pendu\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fracture du pendu\" \/>\n<meta property=\"og:description\" content=\"La fracture du pendu (de l&#039;anglais hangman \u2014 bourreau, ex\u00e9cuteur; le nom est d\u00fb \u00e0 sa similarit\u00e9 biom\u00e9canique avec la blessure li\u00e9e \u00e0 la pendaison judiciaire) est une fracture sp\u00e9cifique bilat\u00e9rale des p\u00e9dicules de l&#039;arc du deuxi\u00e8me vert\u00e8bre cervicale.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/wiki.voka.io\/fr\/glossary\/fracture-du-pendu\/\" \/>\n<meta property=\"og:site_name\" content=\"Voka Wiki\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-01T15:36:24+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/wiki.voka.io\/fr\/glossary\/fracture-du-pendu\/\",\"url\":\"https:\/\/wiki.voka.io\/fr\/glossary\/fracture-du-pendu\/\",\"name\":\"Fracture du pendu : d\u00e9finition m\u00e9dicale et description | Voka Wiki\",\"isPartOf\":{\"@id\":\"https:\/\/wiki.voka.io\/fr\/#website\"},\"datePublished\":\"2026-03-16T10:02:13+00:00\",\"dateModified\":\"2026-04-01T15:36:24+00:00\",\"description\":\"La fracture du pendu (de l'anglais hangman \u2014 bourreau, ex\u00e9cuteur; 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