{"id":364654,"date":"2020-09-29T12:00:02","date_gmt":"2020-09-29T09:00:02","guid":{"rendered":"https:\/\/kinsta.unitedwithisrael.org\/?p=364654"},"modified":"2020-09-29T12:40:42","modified_gmt":"2020-09-29T09:40:42","slug":"innovation-une-technologie-israelienne-permet-de-predire-les-crises-depilepsie","status":"publish","type":"post","link":"https:\/\/kinsta.unitedwithisrael.org\/fr\/innovation-une-technologie-israelienne-permet-de-predire-les-crises-depilepsie\/","title":{"rendered":"Innovation: une technologie isra\u00e9lienne permet de pr\u00e9dire les crises d’\u00e9pilepsie"},"content":{"rendered":"

L’appareil portable d\u00e9velopp\u00e9 par l’Universit\u00e9 Ben-Gurion peut g\u00e9n\u00e9rer un avertissement pr\u00e9alable une crise \u00e0 venir qui peut \u00eatre envoy\u00e9 \u00e0 un smartphone jusqu’\u00e0 une heure avant son apparition<\/strong><\/em>.<\/p>\n

Par TPS<\/em><\/p>\n

Des chercheurs de l’Universit\u00e9 Ben-Gourion du N\u00e9guev (BGU) ont d\u00e9velopp\u00e9 l’Epiness, un appareil unique en son genre pour d\u00e9tecter et pr\u00e9dire les crises d’\u00e9pilepsie bas\u00e9 sur des algorithmes d’apprentissage automatique.<\/p>\n

L’appareil portable peut g\u00e9n\u00e9rer un avertissement avanc\u00e9 concernant une crise \u00e0 venir qui peut \u00eatre envoy\u00e9 \u00e0 un smartphone jusqu’\u00e0 une heure avant son apparition.<\/p>\n

L’\u00e9pilepsie est une maladie neuronale tr\u00e8s r\u00e9pandue. Jusqu’\u00e0 30% des patients ne r\u00e9pondent pas de mani\u00e8re ad\u00e9quate aux m\u00e9dicaments anti\u00e9pileptiques et vivent dans la peur constante de crises imminentes. Pour ces patients, un dispositif de pr\u00e9diction des crises pourrait offrir une am\u00e9lioration substantielle de la qualit\u00e9 de vie, leur permettant d’\u00e9viter les blessures li\u00e9es aux crises.<\/p>\n

Les dispositifs d’alarme de saisie actuels peuvent d\u00e9tecter une crise en temps r\u00e9el, mais ne sont pas en mesure de fournir des avertissements pr\u00e9voyant des crises imminentes.<\/p>\n

Epiness est un dispositif de pr\u00e9diction et de d\u00e9tection des crises bas\u00e9 sur une combinaison de surveillance de l’activit\u00e9 c\u00e9r\u00e9brale bas\u00e9e sur l’EEG et d’algorithmes d’apprentissage automatique exclusifs.<\/p>\n

L’appareil combine un appareil EEG portable avec un logiciel qui minimise le nombre d’\u00e9lectrodes EEG n\u00e9cessaires et optimise le placement des \u00e9lectrodes sur le cuir chevelu.<\/p>\n

Les algorithmes sophistiqu\u00e9s d’apprentissage automatique sont con\u00e7us pour \u00abfiltrer le bruit<\/em>\u00bb qui n’est pas li\u00e9 \u00e0 l’activit\u00e9 c\u00e9r\u00e9brale, extraire des mesures informatives de la dynamique c\u00e9r\u00e9brale sous-jacente et faire la distinction entre l’activit\u00e9 c\u00e9r\u00e9brale avant une crise d’\u00e9pilepsie attendue et l’activit\u00e9 c\u00e9r\u00e9brale lorsqu’une crise ne devrait pas se produire.<\/p>\n

\u00abLes crises d’\u00e9pilepsie exposent les patients \u00e9pileptiques \u00e0 divers risques \u00e9vitables, y compris les chutes, les br\u00fblures et autres blessures<\/em>\u00bb, a d\u00e9clar\u00e9 le Dr Oren Shriki, du D\u00e9partement des sciences cognitives et c\u00e9r\u00e9brales du BGU. \u00abMalheureusement, il n’existe actuellement aucun dispositif de pr\u00e9vision des crises qui puisse alerter les patients et leur permettre de se pr\u00e9parer aux crises \u00e0 venir. Nous sommes donc tr\u00e8s heureux que les algorithmes d’apprentissage automatique que nous avons d\u00e9velopp\u00e9s permettent une pr\u00e9diction pr\u00e9cise des crises imminentes jusqu’\u00e0 une heure avant leur apparition\u00a0\u00bb<\/em>.<\/p>\n

\u00abPuisque nous avons \u00e9galement montr\u00e9 que nos algorithmes permettaient une r\u00e9duction significative du nombre d’\u00e9lectrodes EEG n\u00e9cessaires, le dispositif que nous d\u00e9veloppons est \u00e0 la fois pr\u00e9cis et convivial. Nous d\u00e9veloppons actuellement un prototype qui sera \u00e9valu\u00e9 dans des essais cliniques plus tard cette ann\u00e9e.<\/em> \u00a0\u00bb<\/p>\n

Le nouvel algorithme a \u00e9t\u00e9 d\u00e9velopp\u00e9 et test\u00e9 \u00e0 l’aide de donn\u00e9es EEG provenant d’un vaste ensemble de donn\u00e9es de personnes \u00e9pileptiques qui ont \u00e9t\u00e9 surveill\u00e9es pendant plusieurs jours avant la chirurgie. Les donn\u00e9es des patients ont \u00e9t\u00e9 divis\u00e9es en courts segments qui \u00e9taient soit pr\u00e9-crise (pr\u00e9-crise), soit inter-ictale. Plusieurs algorithmes d’apprentissage automatique avec des complexit\u00e9s diff\u00e9rentes ont \u00e9t\u00e9 form\u00e9s sur des donn\u00e9es d’entra\u00eenement pr\u00e9-allou\u00e9es comprenant 80% des donn\u00e9es EEG initiales, et leurs performances de pr\u00e9diction, ainsi que les performances d\u00e9pendantes des \u00e9lectrodes, ont \u00e9t\u00e9 \u00e9valu\u00e9es sur les 20% restants des donn\u00e9es.<\/p>\n

L’algorithme avec les meilleures performances de pr\u00e9diction a atteint un niveau de pr\u00e9cision de 97%, avec des performances quasi optimales maintenues (95%) m\u00eame avec relativement peu d’\u00e9lectrodes.<\/p>\n

Le syst\u00e8me a \u00e9t\u00e9 conc\u00e9d\u00e9 sous licence pour un d\u00e9veloppement et une commercialisation ult\u00e9rieurs \u00e0 NeuroHelp, une start-up r\u00e9cemment fond\u00e9e par BGN Technologies, la soci\u00e9t\u00e9 de transfert de technologie de BGU et du Dr Oren Shriki, et le fondateur scientifique de NeuroHelp.<\/p>\n

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\"Donate<\/a><\/div><\/ad-shortcode><\/non-auwi>","protected":false},"excerpt":{"rendered":"

L’appareil portable d\u00e9velopp\u00e9 par l’Universit\u00e9 Ben-Gurion peut g\u00e9n\u00e9rer un avertissement pr\u00e9alable une crise \u00e0 venir qui peut \u00eatre envoy\u00e9 \u00e0 un smartphone jusqu’\u00e0 une heure avant son apparition. Par TPS Des chercheurs de l’Universit\u00e9 Ben-Gourion du N\u00e9guev (BGU) ont d\u00e9velopp\u00e9 l’Epiness, un appareil unique en son genre pour d\u00e9tecter et pr\u00e9dire les crises d’\u00e9pilepsie bas\u00e9… Read more »<\/a><\/p>\n","protected":false},"author":4242,"featured_media":364656,"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":"","_links_to":"","_links_to_target":""},"categories":[28414],"tags":[29951,29118,34043,34248,29783,28445],"class_list":["post-364654","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-influence-israelienne","tag-cerveau","tag-crise","tag-epilepsie","tag-innovation-fr","tag-sante","tag-technologie"],"better_featured_image":{"id":364656,"alt_text":"","caption":"Shutterstock","description":"","media_type":"image","media_details":{"width":2560,"height":1786,"file":"2020\/09\/shutterstock_1176078337-scaled.jpg","sizes":{"medium":{"file":"shutterstock_1176078337-300x209.jpg","width":300,"height":209,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-300x209.jpg"},"large":{"file":"shutterstock_1176078337-1024x714.jpg","width":1024,"height":714,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-1024x714.jpg"},"thumbnail":{"file":"shutterstock_1176078337-150x150.jpg","width":150,"height":150,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-150x150.jpg"},"medium_large":{"file":"shutterstock_1176078337-768x536.jpg","width":768,"height":536,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-768x536.jpg"},"1536x1536":{"file":"shutterstock_1176078337-1536x1071.jpg","width":1536,"height":1071,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-1536x1071.jpg"},"2048x2048":{"file":"shutterstock_1176078337-2048x1428.jpg","width":2048,"height":1428,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-2048x1428.jpg"},"uwi-full-width":{"file":"shutterstock_1176078337-746x520.jpg","width":746,"height":520,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-746x520.jpg"},"uwi-featured-carousel":{"file":"shutterstock_1176078337-890x400.jpg","width":890,"height":400,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-890x400.jpg"},"uwi-featured-content":{"file":"shutterstock_1176078337-290x160.jpg","width":290,"height":160,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-290x160.jpg"},"uwi-content-loop":{"file":"shutterstock_1176078337-190x190.jpg","width":190,"height":190,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-190x190.jpg"},"uwi-category_list":{"file":"shutterstock_1176078337-180x100.jpg","width":180,"height":100,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-180x100.jpg"},"uwi-tiny":{"file":"shutterstock_1176078337-40x40.jpg","width":40,"height":40,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-40x40.jpg"},"uwi-email-featured":{"file":"shutterstock_1176078337-250x170.jpg","width":250,"height":170,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-250x170.jpg"},"uwi-email":{"file":"shutterstock_1176078337-200x140.jpg","width":200,"height":140,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-200x140.jpg"},"uwi-iphone":{"file":"shutterstock_1176078337-960x640.jpg","width":960,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-960x640.jpg"},"uwi-iphone-x2":{"file":"shutterstock_1176078337-1136x640.jpg","width":1136,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-1136x640.jpg"},"uwi-ipad":{"file":"shutterstock_1176078337-1024x768.jpg","width":1024,"height":768,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/09\/shutterstock_1176078337-1024x768.jpg"},"uwi-ipad-x2":{"file":"shutterstock_1176078337-2048x1536.jpg","width":2048,"height":1536,"mime-t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