{"id":6257,"date":"2026-03-16T13:02:02","date_gmt":"2026-03-16T10:02:02","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/spondilolysthesis\/"},"modified":"2026-04-16T13:56:00","modified_gmt":"2026-04-16T10:56:00","slug":"spondilolysthesis","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/fr\/glossaire\/spondilolysthesis\/","title":{"rendered":"Spondylolisth\u00e9sis"},"content":{"rendered":"\n<p>Le spondylolisth\u00e9sis (du grec <em>spondylos<\/em> \u2014 vert\u00e8bre et <em>olisthesis<\/em> \u2014 glissement) est un d\u00e9placement pathologique du corps de la vert\u00e8bre sus-jacente par rapport au corps de la vert\u00e8bre sous-jacente dans le plan horizontal. La maladie entra\u00eene une perturbation de l&rsquo;axe normal de la colonne vert\u00e9brale, ainsi qu&rsquo;une d\u00e9formation s\u00e9v\u00e8re du canal rachidien.<\/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>Dans la pratique traumatologique, le type de d\u00e9placement traumatique est le plus souvent rencontr\u00e9. Il survient lors d&rsquo;une fracture comminutive s\u00e9v\u00e8re des apophyses articulaires ou de l&rsquo;arc vert\u00e9bral. Dans ce cas, le verrouillage osseux naturel qui maintient normalement le segment en place est compl\u00e8tement d\u00e9truit.<\/p>\n\n<p>Priv\u00e9e de son soutien m\u00e9canique arri\u00e8re, sous l&rsquo;action de la gravit\u00e9 et de puissantes tractions musculaires, la colonne vert\u00e9brale commence \u00e0 glisser vers l&rsquo;avant ou l&rsquo;arri\u00e8re. Le degr\u00e9 de d\u00e9placement anatomique est strictement classifi\u00e9 par les m\u00e9decins en pourcentages de la largeur totale du corps de la vert\u00e8bre sous-jacente.<\/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>Cliniquement, la pathologie se manifeste par une douleur persistante et ing\u00e9rable dans le segment affect\u00e9 de la colonne vert\u00e9brale, une alt\u00e9ration de la d\u00e9marche et une d\u00e9formation visible du contour du dos.<\/p>\n\n<p>Le principal danger de l&rsquo;\u00e9tat r\u00e9side dans le r\u00e9tr\u00e9cissement secondaire du canal rachidien. Les arcs osseux d\u00e9plac\u00e9s agissent comme une guillotine, comprimant inexorablement la moelle spinale ou les racines nerveuses. Le traitement des formes instables de d\u00e9placements n\u00e9cessite une reposition complexe par chirurgie (remettre la vert\u00e8bre \u00e0 sa place anatomique) et une fixation obligatoire du segment.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le spondylolisth\u00e9sis (du grec <em>spondylos<\/em> \u2014 vert\u00e8bre et <em>olisthesis<\/em> \u2014 glissement) est un d\u00e9placement pathologique du corps de la vert\u00e8bre sus-jacente par rapport au corps de la vert\u00e8bre sous-jacente dans le plan horizontal. La maladie entra\u00eene une perturbation de l&rsquo;axe normal de la colonne vert\u00e9brale, ainsi qu&rsquo;une d\u00e9formation s\u00e9v\u00e8re du canal rachidien.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-6257","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>Spondylolisth\u00e9sis : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Le spondylolisth\u00e9sis (du grec spondylos \u2014 vert\u00e8bre et olisthesis \u2014 glissement) est un d\u00e9placement pathologique du corps de la vert\u00e8bre sus-jacente par rapport au corps de la vert\u00e8bre sous-jacente dans le plan horizontal. 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