{"id":1638,"date":"2025-10-30T11:37:13","date_gmt":"2025-10-30T08:37:13","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/myringoplastie\/"},"modified":"2025-10-30T11:37:15","modified_gmt":"2025-10-30T08:37:15","slug":"myringoplastie","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossaire\/myringoplastie\/","title":{"rendered":"Myringoplastie"},"content":{"rendered":"\n

La myringoplastie (du latin myringoplastica<\/em>) est une intervention chirurgicale destin\u00e9e \u00e0 refermer une l\u00e9sion (perforation) de la membrane tympanique. Il s’agit d’un type de tympanoplastie qui vise exclusivement \u00e0 restaurer l’int\u00e9grit\u00e9 du tympan, sans r\u00e9vision ni reconstruction de la cha\u00eene ossiculaire.<\/p>\n\n

L’objectif principal de l’intervention est de sceller la cavit\u00e9 tympanique afin de prot\u00e9ger l’oreille moyenne des influences ext\u00e9rieures et des infections, ainsi que d’am\u00e9liorer l’audition. La restauration de l’int\u00e9grit\u00e9 du tympan r\u00e9tablit le m\u00e9canisme normal de conduction du son, r\u00e9duisant ainsi la surdit\u00e9 de transmission.<\/p>\n\n

Indications de l\u2019intervention<\/strong><\/h2>\n\n

La myringoplastie est pratiqu\u00e9e en cas de perforation persistante du tympan qui ne gu\u00e9rit pas spontan\u00e9ment. La condition essentielle pour r\u00e9aliser l’intervention est l’absence de processus purulent actif dans l’oreille moyenne.<\/p>\n\n

Indications principales\u00a0:<\/p>\n\n

    \n
  • Otite moyenne chronique\u00a0:<\/strong> otite moyenne suppur\u00e9e chronique tubotympanique avec perforation s\u00e8che persistante.<\/li>\n\n\n\n
  • Perforation traumatique\u00a0:<\/strong> l\u00e9sions r\u00e9sultant d’un traumatisme (par exemple, coup ou barotraumatisme) qui ne se sont pas cicatris\u00e9es apr\u00e8s plusieurs mois d’un traitement conservateur.<\/li>\n\n\n\n
  • Baisse de l’audition\u00a0:<\/strong> surdit\u00e9 de transmission due \u00e0 une l\u00e9sion de la membrane tympanique.<\/li>\n<\/ul>\n\n

    Technique chirurgicale et objectifs<\/strong><\/h2>\n\n

    L’intervention consiste \u00e0 fermer la perforation \u00e0 l’aide d’un greffon, qui sert de support \u00e0 la croissance de l’\u00e9pith\u00e9lium tympanique. Le mat\u00e9riau de greffe le plus souvent utilis\u00e9 est l’autogreffon, c’est-\u00e0-dire un tissu pr\u00e9lev\u00e9 sur le patient lui-m\u00eame.<\/p>\n\n

    Les mat\u00e9riaux de greffe les plus courants sont\u00a0les suivants\u00a0:<\/p>\n\n

      \n
    • Fascia du muscle temporal\u00a0:<\/strong> membrane de tissu conjonctif fine mais r\u00e9sistante.<\/li>\n\n\n\n
    • P\u00e9richondre ou cartilage du tragus\u00a0:<\/strong> fragments de tissu cartilagineux de l’auricule.<\/li>\n<\/ul>\n\n

      Le chirurgien avive les berges de la perforation pour stimuler la r\u00e9g\u00e9n\u00e9ration et place le lambeau pr\u00e9par\u00e9 contre l’orifice du c\u00f4t\u00e9 de la cavit\u00e9 tympanique. Avec le temps, le greffon s’installe et la perforation se referme compl\u00e8tement.<\/p>\n\n

      Comparaison avec d’autres chirurgies<\/strong><\/h2>\n\n

      La myringoplastie doit \u00eatre distingu\u00e9e d’autres interventions plus complexes visant \u00e0 am\u00e9liorer l’audition. Il s’agit d’une tympanoplastie de type\u00a0I selon la classification de Wullstein, qui ne concerne que la membrane tympanique. Si, outre la perforation, il existe une l\u00e9sion ou une destruction des osselets, une ossiculoplastie est r\u00e9alis\u00e9e pour les reconstruire. En cas d’inflammation chronique du processus masto\u00efde (masto\u00efdite), l’intervention est compl\u00e9t\u00e9e par une masto\u00efdectomie.<\/p>\n","protected":false},"excerpt":{"rendered":"

      La myringoplastie (du latin myringoplastica) est une intervention chirurgicale destin\u00e9e \u00e0 refermer une l\u00e9sion (perforation) de la membrane tympanique. Il s’agit d’un type de tympanoplastie qui vise exclusivement \u00e0 restaurer l’int\u00e9grit\u00e9 du tympan, sans r\u00e9vision ni reconstruction de la cha\u00eene ossiculaire.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-1638","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"\nMyringoplastie : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"La myringoplastie (du latin myringoplastica) est une intervention chirurgicale destin\u00e9e \u00e0 refermer une l\u00e9sion (perforation) de la membrane tympanique. 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