{"id":176139,"date":"2017-04-11T22:03:41","date_gmt":"2017-04-11T22:03:41","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/des-cameras-pour-le-suivi-medical-des-bebes-prematures\/"},"modified":"2017-04-11T22:03:41","modified_gmt":"2017-04-11T22:03:41","slug":"des-cameras-pour-le-suivi-medical-des-bebes-prematures","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/des-cameras-pour-le-suivi-medical-des-bebes-prematures\/","title":{"rendered":"Des cam\u00e9ras pour le suivi m\u00e9dical des b\u00e9b\u00e9s pr\u00e9matur\u00e9s"},"content":{"rendered":"<p>Les premiers tests sur nouveau-n\u00e9s vont d\u00e9buter \u00e0 l\u2019H\u00f4pital universitaire de Zurich, partenaire du projet. Dans les couveuses chauff\u00e9es des services de n\u00e9onatologie, les b\u00e9b\u00e9s pr\u00e9matur\u00e9s seront surveill\u00e9s non plus par des capteurs plac\u00e9s \u00e0 m\u00eame la peau, mais par un syst\u00e8me de cam\u00e9ras. Cette technologie est le fruit d\u2019une collaboration entre l\u2019EPFL, le CSEM et l\u2019USZ, sous l\u2019\u00e9gide du programme Nano-Tera. Le syst\u00e8me vise \u00e0 am\u00e9liorer la surveillance du rythme cardiaque et de la respiration des nourrissons. \u00abLes capteurs actuels, pos\u00e9s sur le torse des b\u00e9b\u00e9s, sont si sensibles qu\u2019ils g\u00e9n\u00e8rent pr\u00e8s de 90% de fausses alertes, surtout dues aux mouvements des b\u00e9b\u00e9s\u00bb, explique Jean-Claude Fauch\u00e8re, m\u00e9decin adjoint de la clinique de n\u00e9onatalogie \u00e0 l\u2019USZ. \u00abCela entra\u00eene un inconfort pour le b\u00e9b\u00e9, que l\u2019on doit \u00e0 chaque fois manipuler, et un important facteur de stress ainsi qu\u2019une mobilisation inutile des infirmi\u00e8res. Elles peuvent potentiellement moins bien g\u00e9rer les vraies urgences, ce qui perturbe leur travail de soins.\u00bb<\/p>\n<p>Avec les cam\u00e9ras, aucun contact physique n\u2019est requis. Le rythme cardiaque est d\u00e9tect\u00e9 \u00e0 partir des variations l\u00e9g\u00e8res de la couleur de la peau du b\u00e9b\u00e9, dues aux battements du c\u0153ur. La respiration est quant \u00e0 elle analys\u00e9e via les mouvements du thorax et des \u00e9paules. La nuit, des cam\u00e9ras infrarouges prennent le relai. Le contr\u00f4le peut donc \u00eatre assur\u00e9 en continu.<\/p>\n<p>Le syst\u00e8me de vision a \u00e9t\u00e9 con\u00e7u par les chercheurs du CSEM, qui ont s\u00e9lectionn\u00e9 des cam\u00e9ras suffisamment sensibles pour d\u00e9tecter d\u2019infimes variations de couleurs de la peau. Avec leurs partenaires de l\u2019EPFL, ils ont \u00e9labor\u00e9 des algorithmes permettant de traiter les donn\u00e9es r\u00e9colt\u00e9es en temps r\u00e9el. Le CSEM s\u2019est concentr\u00e9 sur l\u2019analyse de la respiration des nouveaux n\u00e9s, et les chercheurs EPFL, sur la d\u00e9tection du rythme cardiaque. \u00abUne premi\u00e8re \u00e9tude a \u00e9t\u00e9 men\u00e9e sur un \u00e9chantillon d\u2019adultes, en suivant une zone d\u2019int\u00e9r\u00eat sur le front des sujets\u00bb, indique Sibylle Fallet, doctorante EPFL. \u00abNos algorithmes permettent de suivre cette zone lors de mouvements, de distinguer les pixels de peau des autres et d\u2019utiliser les petites variations de couleur de ces pixels pour extraire le rythme cardiaque\u00bb, ajoute-t-elle. \u00abCes tests ont montr\u00e9 que les cam\u00e9ras obtiennent pratiquement les m\u00eames r\u00e9sultats que les capteurs traditionnels\u00bb.<\/p>\n<p>A l\u2019h\u00f4pital universitaire de Zurich, les tests sur des nouveau-n\u00e9s pr\u00e9matur\u00e9s sont imminents. Chercheuse au CSEM et responsable de l\u2019installation sur place, Virginie Moser explique : \u00abNous allons effectuer des mesures sur un maximum d\u2019enfants pr\u00e9matur\u00e9s pour v\u00e9rifier si, en situation r\u00e9elle, les r\u00e9sultats livr\u00e9s par nos algorithmes correspondent aux donn\u00e9es recueillies par les capteurs plac\u00e9s sur la peau\u00bb. Si tel est le cas, le syst\u00e8me mis au point dans le cadre de ce projet aura le potentiel pour remplacer les capteurs actuels. Son utilisation permettra de r\u00e9duire les fausses alertes, mais aussi d\u2019am\u00e9liorer le confort de ces petits patients. Dossier complet :<\/p>\n<p><a href=\"http:\/\/www.epfl.ch\/\">http:\/\/www.epfl.ch<\/a>\/ \/ <a href=\"https:\/\/youtu.be\/KVQzB2c0xxs\">youtube vid\u00e9o<\/a><\/p>\n<p><strong>EPFL<\/strong>: Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne,&nbsp;<strong>CSEM <\/strong>: Centre Suisse d&rsquo;Electronique et de Microtechnique,<strong>&nbsp;UHZ<\/strong> : University Hospital Zurich<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un syst\u00e8me de cam\u00e9ras mis au point par des chercheurs de l\u2019EPFL et du CSEM permet de mesurer en continu les param\u00e8tres vitaux des pr\u00e9matur\u00e9s, sans contact et sans fil. De quoi remplacer les capteurs plac\u00e9s directement sur la peau, qui g\u00e9n\u00e8rent pr\u00e8s de 90% de fausses alertes.<\/p>\n","protected":false},"author":11,"featured_media":176140,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"domains":[47],"ppma_author":[1143],"class_list":["post-176139","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Des cam\u00e9ras pour le suivi m\u00e9dical des b\u00e9b\u00e9s pr\u00e9matur\u00e9s ...<\/title>\n<meta name=\"description\" content=\"Un syst\u00e8me de cam\u00e9ras mis au point par des chercheurs de l\u2019EPFL et du CSEM permet de mesurer en continu les param\u00e8tres vitaux des pr\u00e9matur\u00e9s, sans...\" \/>\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.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/176139\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Des cam\u00e9ras pour le suivi m\u00e9dical des b\u00e9b\u00e9s pr\u00e9matur\u00e9s\" \/>\n<meta property=\"og:description\" content=\"Un syst\u00e8me de cam\u00e9ras mis au point par des chercheurs de l\u2019EPFL et du CSEM permet de mesurer en continu les param\u00e8tres vitaux des pr\u00e9matur\u00e9s, sans contact et sans fil. 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