{"id":1495,"date":"2025-09-18T13:46:44","date_gmt":"2025-09-18T10:46:44","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/contusion\/"},"modified":"2025-10-30T11:37:54","modified_gmt":"2025-10-30T08:37:54","slug":"contusion-meurtrissure","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossaire\/contusion-meurtrissure\/","title":{"rendered":"Contusion"},"content":{"rendered":"\n<p>Une contusion est une l\u00e9sion ferm\u00e9e des tissus et des organes sans atteinte significative de l&rsquo;int\u00e9grit\u00e9 de la peau, qui r\u00e9sulte d&rsquo;un coup port\u00e9 avec un objet contondant ou d&rsquo;une chute. C&rsquo;est l&rsquo;une des blessures les plus courantes.<\/p>\n\n<p>Dans le cas d&rsquo;une contusion, la l\u00e9sion principale se produit dans les tissus sous-cutan\u00e9s. L&rsquo;onde de choc rompt les petits vaisseaux sanguins, ce qui entra\u00eene une h\u00e9morragie et la formation d&rsquo;un h\u00e9matome (ecchymose). Le tissu sous-cutan\u00e9, les muscles et le p\u00e9rioste peuvent \u00e9galement \u00eatre affect\u00e9s.<\/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>Une contusion est caus\u00e9e par l&rsquo;impact direct d&rsquo;une force m\u00e9canique contondante. Sur le plan physiopathologique, le sang provenant des vaisseaux endommag\u00e9s impr\u00e8gne les tissus, provoquant un \u0153d\u00e8me et comprimant les terminaisons nerveuses, ce qui entra\u00eene un syndrome douloureux.<\/p>\n\n<p>La couleur de l&rsquo;h\u00e9matome change avec le temps en raison des transformations biochimiques de l&rsquo;h\u00e9moglobine\u00a0: d&rsquo;abord bleu-violet, il devient ensuite verd\u00e2tre et enfin jaune.<\/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>Les principaux signes cliniques d&rsquo;une contusion sont la douleur, le gonflement (\u0153d\u00e8me), l&rsquo;ecchymose (h\u00e9matome) et une alt\u00e9ration partielle de la fonction de la partie du corps l\u00e9s\u00e9e.<\/p>\n\n<p>Les premiers soins en cas de contusion visent \u00e0 r\u00e9duire la douleur, l&rsquo;\u0153d\u00e8me et l&rsquo;h\u00e9morragie. Ils reposent sur le principe connu sous le nom de protocole RICE (acronyme anglais)\u00a0:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Rest (Repos).<\/strong> Assurer l&rsquo;immobilit\u00e9 du membre bless\u00e9.<\/li>\n\n\n\n<li><strong>Ice (Glace).<\/strong> Appliquer du froid sur la zone contusionn\u00e9e pendant 15\u00a0\u00e0 20\u00a0minutes (en interposant un tissu).<\/li>\n\n\n\n<li><strong>Compression (Compression).<\/strong> Appliquer un bandage compressif.<\/li>\n\n\n\n<li><strong>Elevation (\u00c9l\u00e9vation).<\/strong> Sur\u00e9lever le membre bless\u00e9.<\/li>\n<\/ul>\n\n<p>Il est important de distinguer une contusion de blessures plus graves. Une d\u00e9formation importante, l&rsquo;impossibilit\u00e9 de s&rsquo;appuyer sur le membre affect\u00e9 ou une mobilit\u00e9 pathologique de l&rsquo;os sont des signes qui n\u00e9cessitent une consultation m\u00e9dicale imm\u00e9diate afin d&rsquo;exclure une fracture.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une contusion est une l\u00e9sion ferm\u00e9e des tissus et des organes sans atteinte significative de l&rsquo;int\u00e9grit\u00e9 de la peau, qui r\u00e9sulte d&rsquo;un coup port\u00e9 avec un objet contondant ou d&rsquo;une chute. C&rsquo;est l&rsquo;une des blessures les plus courantes.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-1495","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>Contusion : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Une contusion est une l\u00e9sion ferm\u00e9e des tissus et des organes sans atteinte significative de l&#039;int\u00e9grit\u00e9 de la peau, qui r\u00e9sulte d&#039;un coup port\u00e9 avec un objet contondant ou d&#039;une chute. 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