{"id":1476,"date":"2025-09-19T15:16:40","date_gmt":"2025-09-19T12:16:40","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/plexus-de-kiesselbach\/"},"modified":"2025-10-07T19:17:48","modified_gmt":"2025-10-07T16:17:48","slug":"plexus-de-kiesselbach","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossaire\/plexus-de-kiesselbach\/","title":{"rendered":"Plexus de Kiesselbach"},"content":{"rendered":"\n<p>Le plexus de Kiesselbach est un r\u00e9seau dense d\u2019art\u00e8res anastomos\u00e9es (en communication) situ\u00e9 dans la muqueuse de la partie ant\u00e9ro-inf\u00e9rieure de la cloison nasale.<\/p>\n\n<p>Cette r\u00e9gion anatomique rev\u00eat une importance clinique majeure, car elle est \u00e0 l\u2019origine de plus de 90 % des saignements de nez (\u00e9pistaxis). La disposition superficielle des vaisseaux et leur forte densit\u00e9 rendent cette zone particuli\u00e8rement vuln\u00e9rable.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x430;&#x43D;&#x430;&#x442;&#x43E;&#x43C;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\"><strong>Anatomie et physiopathologie<\/strong><\/h2>\n\n<p>L\u2019unicit\u00e9 du plexus r\u00e9side dans le fait que, dans cette petite zone, convergent et forment un r\u00e9seau les branches terminales des syst\u00e8mes des art\u00e8res carotides externe et interne. Les principaux vaisseaux formant le plexus sont l\u2019art\u00e8re ethmo\u00efdale ant\u00e9rieure, l\u2019art\u00e8re sph\u00e9no-palatine, l\u2019art\u00e8re palatine majeure et l\u2019art\u00e8re labiale sup\u00e9rieure.<\/p>\n\n<p>La muqueuse de la zone de Kiesselbach est tr\u00e8s fine et sujette au dess\u00e8chement, notamment lors de l\u2019inhalation d\u2019air sec. Toute l\u00e9sion m\u00e9canique, m\u00eame mineure (par exemple, avec un doigt), ou une augmentation de la pression art\u00e9rielle peut facilement endommager les vaisseaux et provoquer un saignement.<\/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>Un saignement provenant de la zone de Kiesselbach est appel\u00e9 \u00e9pistaxis ant\u00e9rieur. En g\u00e9n\u00e9ral, il ne repr\u00e9sente pas une menace pour la vie et peut \u00eatre arr\u00eat\u00e9 par des m\u00e9thodes conservatrices. Le diagnostic est \u00e9tabli par une rhinoscopie ant\u00e9rieure, au cours de laquelle le m\u00e9decin identifie la source du saignement.<\/p>\n\n<p>Les premiers soins consistent \u00e0 comprimer les ailes du nez contre la cloison pendant 10 \u00e0 15 minutes, en position assise avec la t\u00eate inclin\u00e9e vers l\u2019avant. Si cela ne suffit pas, le m\u00e9decin peut proc\u00e9der \u00e0 une caut\u00e9risation du vaisseau h\u00e9morragique avec du nitrate d\u2019argent ou r\u00e9aliser un tamponnement nasal ant\u00e9rieur.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le plexus de Kiesselbach est un r\u00e9seau dense d\u2019art\u00e8res anastomos\u00e9es (en communication) situ\u00e9 dans la muqueuse de la partie ant\u00e9ro-inf\u00e9rieure de la cloison nasale.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-1476","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>Plexus de Kiesselbach : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Le plexus de Kiesselbach est un r\u00e9seau dense d\u2019art\u00e8res anastomos\u00e9es (en 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