{"id":125,"date":"2018-04-10T09:19:30","date_gmt":"2018-04-10T08:19:30","guid":{"rendered":"https:\/\/www.chu-poitiers.fr\/specialites\/orthopedie-traumatologie\/?page_id=125"},"modified":"2021-06-24T09:52:03","modified_gmt":"2021-06-24T08:52:03","slug":"le-poignet","status":"publish","type":"page","link":"https:\/\/www.chu-poitiers.fr\/specialites\/orthopedie-traumatologie\/le-poignet\/","title":{"rendered":"La main\/le poignet"},"content":{"rendered":"<h2>Canal carpien<\/h2>\n<p>Le canal carpien est une zone anatomique situ\u00e9e entre les os du\u00a0carpe\u00a0en arri\u00e8re et un \u00e9pais ligament en avant, le ligament annulaire ant\u00e9rieur. Le\u00a0nerf\u00a0m\u00e9dian passe dans ce canal inextensible. Lorsque le canal se r\u00e9tr\u00e9cit appara\u00eet un conflit contenu-contenant. Le premier \u00e9l\u00e9ment qui souffre est le\u00a0nerf. Le passage de l\u2019influx \u00e9lectrique est ralenti, et les sympt\u00f4mes sensitifs apparaissent. Le syndrome du\u00a0canal carpien\u00a0est tr\u00e8s fr\u00e9quent dans l\u2019ensemble de la population. Les travailleurs de force surtout effectuant un geste r\u00e9p\u00e9titif, sont plus souvent atteints que la population g\u00e9n\u00e9rale. Dans certains cas, la prise en charge en maladie professionnelle est possible.<\/p>\n<h3>Les sympt\u00f4mes<\/h3>\n<p>Le syndrome du\u00a0canal carpien\u00a0se traduit au d\u00e9but par des signes subjectifs comme les fourmillements, une sensation d\u2019engourdissement et parfois des douleurs du pouce, de l\u2019index et du m\u00e9dius, voire des douleurs ascendantes vers l\u2019avant-bras et le coude. L\u2019atteinte des deux mains est tr\u00e8s fr\u00e9quente. Le plus souvent, ces signes apparaissent au cours de la nuit et r\u00e9veillent.\u00a0Un stade plus avanc\u00e9, l\u2019atteinte des fibres motrices entra\u00eene une diminution de la force de pr\u00e9hension avec un l\u00e2chage des objets.<\/p>\n<h3>Le traitement<\/h3>\n<p>L\u2019\u00e9lectromyogramme ou EMG mesure l\u2019influx \u00e9lectrique transmis par le\u00a0nerf\u00a0m\u00e9dian. L\u2019enregistrement \u00e9tudie la vitesse de conduction sensitive et motrice du\u00a0nerf.\u00a0Cet examen permet de confirmer le diagnostic, de localiser le niveau de la compression et de rechercher une anomalie sur les autres\u00a0nerfs\u00a0du bras.<\/p>\n<p>Le traitement m\u00e9dical d\u00e9bute par la mise en place d\u2019une attelle nocturne et d\u2019un traitement antalgique. Une infiltration de cortico\u00efdes peut \u00eatre r\u00e9alis\u00e9e si les sympt\u00f4mes persistent.<\/p>\n<h3>La\u00a0chirurgie<\/h3>\n<p>En cas de douleurs persistantes, la chirurgie devient n\u00e9cessaire pour faire baisser d\u00e9finitivement la pression dans le\u00a0canal carpien\u00a0et lib\u00e9rer le\u00a0nerf\u00a0m\u00e9dian. L\u2019intervention consiste \u00e0 ouvrir l\u2019\u00e9pais ligament ant\u00e9rieur qui ferme le canal par une incision de 1 cm longitudinale, dans la paume.<\/p>\n<h3>Apr\u00e8s l\u2019intervention<\/h3>\n<p>Au cours d\u2019une chirurgie ambulatoire, votre chirurgien autorisera votre sortie avec les ordonnances de soins n\u00e9cessaires (pansement, antalgiques, kin\u00e9sith\u00e9rapie). Une r\u00e9\u00e9ducation peut vous \u00eatre propos\u00e9e, effectu\u00e9e par un kin\u00e9sith\u00e9rapeute de ville.<\/p>\n<h3>Objectifs th\u00e9rapeutiques\u00a0:<\/h3>\n<ul>\n<li>Supprimer les douleurs<\/li>\n<li>Rendre force et sensibilit\u00e9<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Canal carpien Le canal carpien est une zone anatomique situ\u00e9e entre les os du\u00a0carpe\u00a0en arri\u00e8re et un \u00e9pais ligament en avant, le ligament annulaire ant\u00e9rieur. Le\u00a0nerf\u00a0m\u00e9dian passe dans ce canal inextensible. Lorsque le canal se r\u00e9tr\u00e9cit appara\u00eet un conflit contenu-contenant. Le premier \u00e9l\u00e9ment qui souffre est le\u00a0nerf. Le passage de l\u2019influx \u00e9lectrique est ralenti, et [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-125","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La main\/le poignet - Chirurgie orthop\u00e9dique-traumatologie<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.chu-poitiers.fr\/specialites\/orthopedie-traumatologie\/le-poignet\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La main\/le poignet - Chirurgie orthop\u00e9dique-traumatologie\" \/>\n<meta property=\"og:description\" content=\"Canal carpien Le canal carpien est une zone anatomique situ\u00e9e entre les os du\u00a0carpe\u00a0en arri\u00e8re et un \u00e9pais ligament en avant, le ligament annulaire ant\u00e9rieur. 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