{"id":1613,"date":"2025-10-30T11:38:44","date_gmt":"2025-10-30T08:38:44","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/antromastoidectomie\/"},"modified":"2025-10-30T11:38:39","modified_gmt":"2025-10-30T08:38:39","slug":"antromastoidectomie","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossaire\/antromastoidectomie\/","title":{"rendered":"Antromasto\u00efdectomie"},"content":{"rendered":"\n<p>L\u2019antromasto\u00efdectomie est une intervention chirurgicale sur l\u2019oreille moyenne consistant en l\u2019ouverture de l\u2019antre (antrum) et des cellules masto\u00efdiennes de l\u2019os temporal. L\u2019objectif principal de l\u2019op\u00e9ration est d\u2019\u00e9liminer un foyer infectieux purulent et destructeur afin de pr\u00e9venir des complications potentiellement mortelles.<\/p>\n\n<p>Cette intervention est une m\u00e9thode classique de traitement du masto\u00efdite aigu\u00eb, une inflammation purulente de l\u2019apophyse masto\u00efde, qui se d\u00e9veloppe comme une complication d\u2019un otite moyenne aigu\u00eb ou chronique suppur\u00e9e. L\u2019op\u00e9ration vise \u00e0 \u00e9radiquer l\u2019infection, assainir les structures osseuses affect\u00e9es et assurer un drainage ad\u00e9quat de l\u2019oreille moyenne.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43F;&#x43E;&#x43A;&#x430;&#x437;&#x430;&#x43D;&#x438;&#x44F;-&#x438;-&#x445;&#x438;&#x440;&#x443;&#x440;&#x433;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x438;&#x435;-&#x43F;&#x440;&#x438;&#x43D;&#x446;&#x438;&#x43F;&#x44B;\"><strong>Indications et principes chirurgicaux<\/strong><\/h2>\n\n<p>L\u2019indication principale et absolue de l\u2019antromasto\u00efdectomie est la masto\u00efdite aigu\u00eb. C&rsquo;est un \u00e9tat o\u00f9 le processus purulent d\u00e9truit les cloisons osseuses entre les cellules masto\u00efdiennes, formant une cavit\u00e9 purulente unique (empi\u00e8me). L\u2019op\u00e9ration est \u00e9galement indiqu\u00e9e en cas de d\u00e9veloppement d\u2019autres complications otog\u00e8nes.<\/p>\n\n<p>L\u2019acc\u00e8s chirurgical se fait par une incision r\u00e9tro-auriculaire. Le principe de l\u2019op\u00e9ration consiste \u00e0 retirer la couche corticale de l\u2019apophyse masto\u00efde, ouvrir l\u2019antre et \u00e9liminer progressivement toutes les cellules osseuses atteintes par le pus et les granulations jusqu\u2019\u00e0 atteindre un tissu sain. Le point le plus important est de pr\u00e9server intactes des structures telles que la paroi du canal du nerf facial, les canaux semi-circulaires et le sinus sigmo\u00efde.<\/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>L\u2019antromasto\u00efdectomie est une op\u00e9ration salvatrice, car elle pr\u00e9vient la propagation de l\u2019infection de l\u2019os temporal vers la cavit\u00e9 cr\u00e2nienne (m\u00e9ningite, abc\u00e8s c\u00e9r\u00e9bral) ou le d\u00e9veloppement d\u2019une septic\u00e9mie. Le diagnostic de masto\u00efdite n\u00e9cessitant un traitement chirurgical repose sur le tableau clinique (douleur, gonflement derri\u00e8re l\u2019oreille, protrusion du pavillon auriculaire), l\u2019otoscopie (\u00e9coulement purulent pulsatile, affaissement de la paroi post\u00e9ro-sup\u00e9rieure du conduit auditif externe, bombement du tympan) et est confirm\u00e9 par une tomodensitom\u00e9trie (TDM) des os temporaux.<\/p>\n\n<p>Une intervention r\u00e9alis\u00e9e en temps opportun conduit \u00e0 une gu\u00e9rison compl\u00e8te et, en g\u00e9n\u00e9ral, n\u2019affecte pas l\u2019acuit\u00e9 auditive, car elle ne touche pas la cha\u00eene des osselets.<\/p>\n\n<p>La p\u00e9riode postop\u00e9ratoire inclut une antibioth\u00e9rapie et des pansements r\u00e9guliers.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019antromasto\u00efdectomie est une intervention chirurgicale sur l\u2019oreille moyenne consistant en l\u2019ouverture de l\u2019antre (antrum) et des cellules masto\u00efdiennes de l\u2019os temporal. L\u2019objectif principal de l\u2019op\u00e9ration est d\u2019\u00e9liminer un foyer infectieux purulent et destructeur afin de pr\u00e9venir des complications potentiellement mortelles.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-1613","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>Antromasto\u00efdectomie : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"L\u2019antromasto\u00efdectomie est une intervention chirurgicale sur l\u2019oreille moyenne consistant en l\u2019ouverture de l\u2019antre (antrum) et des cellules masto\u00efdiennes de l\u2019os temporal. 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