{"id":14079,"date":"2025-10-09T14:32:34","date_gmt":"2025-10-09T18:32:34","guid":{"rendered":"https:\/\/www.neuro-concept.ca\/?p=14079"},"modified":"2026-05-05T14:55:34","modified_gmt":"2026-05-05T18:55:34","slug":"un-espoir-electrique-pour-les-personnes-vivant-avec-une-lesion-medullaire","status":"publish","type":"post","link":"https:\/\/www.neuro-concept.ca\/fr\/un-espoir-electrique-pour-les-personnes-vivant-avec-une-lesion-medullaire\/","title":{"rendered":"Un espoir \u00e9lectrique pour les personnes vivant avec une l\u00e9sion m\u00e9dullaire"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"14079\" class=\"elementor elementor-14079\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ea69892 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ea69892\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ab0e157\" data-id=\"ab0e157\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aed5806 elementor-widget elementor-widget-heading\" data-id=\"aed5806\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">R\u00e9volution dans le traitement de la dysr\u00e9flexie autonome apr\u00e8s une l\u00e9sion de la moelle \u00e9pini\u00e8re<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8056418 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8056418\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d0145df\" data-id=\"d0145df\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-51375ea elementor-widget elementor-widget-text-editor\" data-id=\"51375ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La dysr\u00e9flexie autonome est une complication grave et potentiellement mortelle qui touche les personnes ayant subi une l\u00e9sion de la moelle \u00e9pini\u00e8re (SCI). Elle se manifeste par des \u00e9pisodes soudains d\u2019hypertension incontr\u00f4l\u00e9e en r\u00e9ponse \u00e0 des stimuli sensoriels, comme la distension de la vessie ou du rectum. Jusqu\u2019\u00e0 pr\u00e9sent, les m\u00e9canismes neuronaux \u00e0 l\u2019origine de cette condition \u00e9taient mal compris, limitant les options th\u00e9rapeutiques.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70a73c4 elementor-widget elementor-widget-heading\" data-id=\"70a73c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Une cartographie neuronale in\u00e9dite<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d274d9f elementor-widget elementor-widget-text-editor\" data-id=\"d274d9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Des chercheurs de l\u2019Universit\u00e9 de Calgary, de l\u2019EPFL et du CHUV ont identifi\u00e9 l\u2019architecture neuronale responsable de la dysr\u00e9flexie autonome. Gr\u00e2ce \u00e0 des mod\u00e8les murins, des analyses transcriptomiques \u00e0 noyau unique (snRNA-seq) et des techniques de tra\u00e7age neuronal, ils ont d\u00e9couvert une cha\u00eene de neurones qui se r\u00e9organise de mani\u00e8re pathologique apr\u00e8s une SCI :<\/p><ol><li><strong>Des neurones sensoriels nociceptifs (Calca\u207a)<\/strong> dans les ganglions dorsaux envoient des signaux anormaux.<\/li><li>Ces signaux activent des neurones excitateurs <strong>Vsx2\u207a<\/strong> dans la moelle lombo-sacr\u00e9e (SC LUMBAR::Vsx2).<\/li><li>Ces neurones projettent vers la moelle thoracique inf\u00e9rieure, activant des neurones locaux <strong>Vsx2\u207a<\/strong> (SC THORACIC::Vsx2).<\/li><li>Enfin, ces derniers stimulent des neurones sympathiques <strong>ChAT\u207a<\/strong>, provoquant une \u00e9l\u00e9vation dangereuse de la pression art\u00e9rielle.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c77a4e7 elementor-widget elementor-widget-heading\" data-id=\"c77a4e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Une solution neuromodulatoire prometteuse<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a44ad1d elementor-widget elementor-widget-text-editor\" data-id=\"a44ad1d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les chercheurs ont \u00e9galement d\u00e9montr\u00e9 qu\u2019une stimulation \u00e9lectrique \u00e9pidurale (EES) cibl\u00e9e sur la moelle thoracique inf\u00e9rieure pouvait activer une architecture neuronale concurrente, plus b\u00e9n\u00e9fique. Cette stimulation recrute des aff\u00e9rences proprioceptives de gros diam\u00e8tre (PV\u207a), qui activent les m\u00eames neurones Vsx2\u207a, mais de mani\u00e8re \u00e0 r\u00e9guler la pression art\u00e9rielle sans provoquer de dysr\u00e9flexie.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c721b14 elementor-widget elementor-widget-heading\" data-id=\"c721b14\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Vers une th\u00e9rapie personnalis\u00e9e<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af776e0 elementor-widget elementor-widget-text-editor\" data-id=\"af776e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>En appliquant quotidiennement cette stimulation (autonomic neurorehabilitation), les chercheurs ont r\u00e9ussi \u00e0 inverser la dysr\u00e9flexie autonome chez des souris, des rats et des humains atteints de SCI. Les essais cliniques pr\u00e9liminaires montrent une r\u00e9duction significative des sympt\u00f4mes tels que les c\u00e9phal\u00e9es et les palpitations cardiaques, sans effets secondaires graves.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcb7f65 elementor-widget elementor-widget-heading\" data-id=\"bcb7f65\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Attention \u00e0 la localisation de la stimulation<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf08082 elementor-widget elementor-widget-text-editor\" data-id=\"cf08082\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L\u2019\u00e9tude met en garde contre une stimulation mal cibl\u00e9e (sur la moelle lombo-sacr\u00e9e), qui peut aggraver la dysr\u00e9flexie autonome en renfor\u00e7ant l\u2019architecture neuronale pathologique.<\/p><p><strong>Conclusion :<\/strong> Cette recherche ouvre la voie \u00e0 des essais cliniques pivot pour valider l\u2019efficacit\u00e9 et la s\u00e9curit\u00e9 de la stimulation \u00e9pidurale cibl\u00e9e dans le traitement de la dysr\u00e9flexie autonome. Elle repr\u00e9sente une avanc\u00e9e majeure vers une th\u00e9rapie m\u00e9caniste et personnalis\u00e9e pour les personnes vivant avec une l\u00e9sion de la moelle \u00e9pini\u00e8re.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0f41b7b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0f41b7b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-923e98d\" data-id=\"923e98d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-74bc2ac elementor-widget elementor-widget-text-editor\" data-id=\"74bc2ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><em>R\u00e9f\u00e9rences<\/em><\/strong><\/p><p>Soriano, J.E., Hudelle, R., Mahe, L.\u00a0<i>et al.<\/i>\u00a0A neuronal architecture underlying autonomic dysreflexia.\u00a0<i>Nature<\/i>\u00a0(2025). https:\/\/doi.org\/10.1038\/s41586-025-09487-w<\/p><p>Phillips, A.A., Gandhi, A.P., Hankov, N.\u00a0<i>et al.<\/i>\u00a0An implantable system to restore hemodynamic stability after spinal cord injury.\u00a0<i>Nat Med<\/i>\u00a0<b>31<\/b>, 2946\u20132957 (2025). https:\/\/doi.org\/10.1038\/s41591-025-03614-w<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>R\u00e9volution dans le traitement de la dysr\u00e9flexie autonome apr\u00e8s une l\u00e9sion de la moelle \u00e9pini\u00e8re La dysr\u00e9flexie autonome est une complication grave et potentiellement mortelle qui touche les personnes ayant subi une l\u00e9sion de la moelle \u00e9pini\u00e8re (SCI). Elle se manifeste par des \u00e9pisodes soudains d\u2019hypertension incontr\u00f4l\u00e9e en r\u00e9ponse \u00e0 des stimuli sensoriels, comme la&#8230;<\/p>\n","protected":false},"author":1,"featured_media":14080,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[239,80],"tags":[],"class_list":["post-14079","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-lesion-medullaire"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Un espoir \u00e9lectrique pour les l\u00e9sions m\u00e9dullaires| Neuro-Concept<\/title>\n<meta name=\"description\" content=\"Une avanc\u00e9e majeure : la stimulation \u00e9pidurale pourrait inverser la dysr\u00e9flexie autonome chez les personnes avec l\u00e9sion m\u00e9dullaire.\" \/>\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.neuro-concept.ca\/fr\/un-espoir-electrique-pour-les-personnes-vivant-avec-une-lesion-medullaire\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un espoir \u00e9lectrique pour les l\u00e9sions m\u00e9dullaires| Neuro-Concept\" \/>\n<meta property=\"og:description\" content=\"Une avanc\u00e9e majeure : la stimulation \u00e9pidurale pourrait inverser la dysr\u00e9flexie autonome chez les personnes avec l\u00e9sion m\u00e9dullaire.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.neuro-concept.ca\/fr\/un-espoir-electrique-pour-les-personnes-vivant-avec-une-lesion-medullaire\/\" \/>\n<meta property=\"og:site_name\" content=\"Neuro-Concept - 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