{"id":6295,"date":"2026-03-16T13:02:06","date_gmt":"2026-03-16T10:02:06","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/syndrome-de-la-queue-de-cheval\/"},"modified":"2026-04-16T13:55:38","modified_gmt":"2026-04-16T10:55:38","slug":"syndrome-de-la-queue-de-cheval","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossary\/syndrome-de-la-queue-de-cheval\/","title":{"rendered":"Syndrome de la queue de cheval"},"content":{"rendered":"\n<p>Le syndrome de la queue de cheval (traduction litt\u00e9rale du latin <em>cauda equina<\/em> \u2014 queue de cheval) est un \u00e9tat neurologique potentiellement mortel provoqu\u00e9 par une compression massive et aigu\u00eb des racines nerveuses lombaires, sacr\u00e9es et coccygiennes dans la partie inf\u00e9rieure 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>La particularit\u00e9 anatomique humaine est que la moelle spinale dense se termine au niveau de la premi\u00e8re ou deuxi\u00e8me vert\u00e8bre lombaire. En dessous de ce niveau, dans le large sac dural, passent librement uniquement les longues racines nerveuses (de L2 \u00e0 S5), dont l&rsquo;apparence visuelle rappelle celle d&rsquo;une queue de cheval.<\/p>\n\n<p>Le syndrome se d\u00e9veloppe en cas de r\u00e9tr\u00e9cissement soudain et critique de la lumi\u00e8re du canal rachidien au niveau de la r\u00e9gion lombaire. La principale cause est une hernie discale intervert\u00e9brale massive (s\u00e9questr\u00e9e) centrale qui tombe directement dans la lumi\u00e8re du canal et comprime simultan\u00e9ment l&rsquo;ensemble du faisceau nerveux. Plus rarement, la cause peut \u00eatre une fracture comminutive d&rsquo;une vert\u00e8bre lombaire ou un h\u00e9matome \u00e9pidural \u00e9tendu.<\/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>Dans le domaine de la traumatologie et de la neurochirurgie, ce diagnostic est consid\u00e9r\u00e9 comme un \u00ab drapeau rouge \u00bb absolu et n\u00e9cessite une hospitalisation imm\u00e9diate. La pr\u00e9sentation clinique se compose d&rsquo;une triade sp\u00e9cifique de sympt\u00f4mes sym\u00e9triques.<\/p>\n\n<p>Le signe principal est une \u00ab anesth\u00e9sie en selle \u00bb \u2014 perte totale de la sensibilit\u00e9 dans la r\u00e9gion p\u00e9rin\u00e9ale, la surface interne des cuisses et les organes g\u00e9nitaux. Le deuxi\u00e8me sympt\u00f4me critique est une profonde dysfonction des organes pelviens : r\u00e9tention urinaire aigu\u00eb (le patient ne ressent pas le remplissage de la vessie) et incontinence f\u00e9cale due \u00e0 la paralysie des sphincters. Le troisi\u00e8me signe est une par\u00e9sie flasque des membres inf\u00e9rieurs avec la disparition des r\u00e9flexes achill\u00e9ens. Cette condition exige une op\u00e9ration de d\u00e9compression d&rsquo;urgence dans les 24 premi\u00e8res heures pour pr\u00e9venir une invalidit\u00e9 irr\u00e9versible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le syndrome de la queue de cheval (traduction litt\u00e9rale du latin <em>cauda<\/em> <em>equina<\/em> \u2014 queue de cheval) est un \u00e9tat neurologique potentiellement mortel provoqu\u00e9 par une compression massive et aigu\u00eb des racines nerveuses lombaires, sacr\u00e9es et coccygiennes dans la partie inf\u00e9rieure du canal rachidien.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-6295","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>Syndrome de la queue de cheval : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta 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