{"id":6275,"date":"2026-03-16T13:02:04","date_gmt":"2026-03-16T10:02:04","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/fracture-de-stress\/"},"modified":"2026-04-16T13:55:56","modified_gmt":"2026-04-16T10:55:56","slug":"fracture-de-stress","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/fr\/glossaire\/fracture-de-stress\/","title":{"rendered":"Fracture de stress"},"content":{"rendered":"\n<p>La fracture de stress (du mot anglais <em>stress<\/em> \u2014 tension, pression, charge) est une violation de l&rsquo;int\u00e9grit\u00e9 de l&rsquo;os, qui ne r\u00e9sulte pas d&rsquo;un traumatisme aigu instantan\u00e9, mais d&rsquo;une charge m\u00e9canique r\u00e9p\u00e9t\u00e9e et cyclique. <\/p>\n\n<p>Il s&rsquo;agit d&rsquo;une l\u00e9sion microtraumatique d\u00e9passant les capacit\u00e9s de r\u00e9paration naturelles du tissu osseux.<\/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>La pathog\u00e9nie repose sur une perturbation grossi\u00e8re du processus normal de remodelage osseux. L&rsquo;activit\u00e9 des cellules d\u00e9truisant l&rsquo;ancien tissu osseux pour son renouvellement d\u00e9passe temporairement celle des cellules cr\u00e9ant un nouvel os. En cons\u00e9quence, les trav\u00e9es osseuses ne parviennent pas \u00e0 se r\u00e9g\u00e9n\u00e9rer apr\u00e8s une charge.<\/p>\n\n<p>De multiples microfissures commencent \u00e0 s&rsquo;accumuler dans l&rsquo;os, qui finissent par se fondre en une ligne de fracture principale visible. Les fractures de stress du sacrum chez les personnes \u00e2g\u00e9es occupent une place particuli\u00e8re dans le contexte des blessures pelviennes. Elles surviennent souvent en raison d&rsquo;une ost\u00e9oporose avanc\u00e9e, m\u00eame lors de la marche ordinaire, lorsque l&rsquo;os fragile ne peut tout simplement pas supporter le poids du corps du patient.<\/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 caract\u00e9ristique perfide principale de la pathologie est son d\u00e9but progressif et discret. La douleur appara\u00eet exclusivement lors de l&rsquo;exercice physique et dispara\u00eet compl\u00e8tement au repos, mais elle progresse inexorablement avec le temps et devient constante. Le gonflement est g\u00e9n\u00e9ralement localis\u00e9, sans formation d&rsquo;h\u00e9matome caract\u00e9ristique.<\/p>\n\n<p>\u00c0 un stade pr\u00e9coce (dans les premi\u00e8res semaines), de telles fractures restent souvent invisibles sur les radiographies standards. L&rsquo;imagerie par r\u00e9sonance magn\u00e9tique est l&rsquo;\u00e9talon-or pour le diagnostic pr\u00e9coce, car elle montre clairement l&rsquo;\u0153d\u00e8me de la moelle osseuse. Le traitement est conservateur et n\u00e9cessite un d\u00e9chargement prolong\u00e9 du membre affect\u00e9 \u00e0 l&rsquo;aide de b\u00e9quilles.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La fracture de stress (du mot anglais <em>stress<\/em> \u2014 tension, pression, charge) est une violation de l&rsquo;int\u00e9grit\u00e9 de l&rsquo;os, qui ne r\u00e9sulte pas d&rsquo;un traumatisme aigu instantan\u00e9, mais d&rsquo;une charge m\u00e9canique r\u00e9p\u00e9t\u00e9e et cyclique. <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-6275","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 de stress : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"La fracture de stress (du mot anglais stress \u2014 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