{"id":1654,"date":"2025-04-03T23:28:12","date_gmt":"2025-04-03T23:28:12","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/1654\/"},"modified":"2025-04-03T23:28:12","modified_gmt":"2025-04-03T23:28:12","slug":"des-chercheurs-mettent-au-point-un-pacemaker-plus-petit-quun-grain-de-riz","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/1654\/","title":{"rendered":"Des chercheurs mettent au point un pacemaker plus petit qu\u2019un grain de riz"},"content":{"rendered":"<p>Miniature et biod\u00e9gradable, ce dispositif d\u00e9livre des impulsions \u00e9quivalentes \u00e0 celle d\u2019un stimulateur cardiaque \u00ab\u00a0standard\u00a0\u00bb.<\/p>\n<p class=\"fig-paragraph\">D\u2019une longueur de 3,5\u00a0millim\u00e8tres, le plus petit\u00a0<a href=\"https:\/\/sante.lefigaro.fr\/sante\/traitement\/defibrillateur-cardiaque-implantable-cdi\/quest-ce-que-cest#:~:text=par%20des%20%C3%A9lectrodes.-,C&#039;est%20un%20appareil%20de%20petite%20taille%20ressemblant%20%C3%A0%20un,qui%20permet%20un%20diagnostic%20r%C3%A9trospectif.\" target=\"_blank\" data-fig-type=\"Keyword\" rel=\"noopener\" data-gtm-custom-categorie=\"navigation\" data-gtm-custom-action=\"crossclick\" data-gtm-custom-label=\"Contextuel\" data-gtm-event=\"customEventSPE\" data-fig-domain=\"SANTE\">pacemaker<\/a>\u00a0au monde n\u2019atteint m\u00eame pas la taille d\u2019un grain de riz. Un record que l\u2019on doit \u00e0 une \u00e9quipe de chercheurs de l\u2019Universit\u00e9 Northwestern, \u00e0 Chicago. Mais ce pacemaker miniature n\u2019est pas seulement remarquable pour son gabarit\u00a0: il a aussi la capacit\u00e9 de s\u2019autod\u00e9truire une fois qu\u2019il n\u2019est plus n\u00e9cessaire. Deux atouts qui devraient pouvoir r\u00e9pondre au besoin urgent de dispositifs\u00a0<a href=\"https:\/\/sante.lefigaro.fr\/article\/malformation-cardiaque-a-la-naissance-9-enfants-sur-10-atteignent-l-age-adulte\" target=\"_blank\" data-fig-type=\"Article\" rel=\"noopener\" data-gtm-custom-categorie=\"navigation\" data-gtm-custom-action=\"crossclick\" data-gtm-custom-label=\"Contextuel\" data-gtm-event=\"customEventSPE\" data-fig-domain=\"SANTE\">adapt\u00e9s aux nouveau-n\u00e9s<\/a>\u00a0et plus g\u00e9n\u00e9ralement aux patients qui requi\u00e8rent un stimulateur temporaire, soit dans l\u2019attente d\u2019un pacemaker permanent, soit pour aider le c\u0153ur \u00e0\u00a0<a href=\"https:\/\/www.lefigaro.fr\/fig-data\/comprendre-les-differents-types-d-arythmies-cardiaques-et-savoir-les-reconnaitre-20240208\/\" target=\"_blank\" rel=\"noopener\" data-gtm-custom-categorie=\"navigation\" data-gtm-custom-action=\"crossclick\" data-gtm-custom-label=\"Contextuel\" data-gtm-event=\"customEventSPE\">retrouver un rythme normal<\/a>\u00a0apr\u00e8s une chirurgie cardiaque, ce qui concerne 10 \u00e0 30\u00a0% des patients ayant b\u00e9n\u00e9fici\u00e9 d\u2019une intervention sur la valve aortique.<\/p>\n<p class=\"fig-paragraph\">De tels pacemakers temporaires existent d\u00e9j\u00e0. Ils fonctionnent gr\u00e2ce \u00e0 des fils conducteurs (des \u00e9lectrodes) fix\u00e9s au muscle cardiaque et reli\u00e9s \u00e0 une batterie externe plac\u00e9e sur la poitrine. Le principal inconv\u00e9nient est que ces\u2026<\/p>\n<p class=\"fig-premium-paywall__infos\">\n        Cet article est r\u00e9serv\u00e9 aux abonn\u00e9s.        Il vous reste 84% \u00e0 d\u00e9couvrir.\n    <\/p>\n<p>                <img  data- alt=\"Le Figaro\" class=\"fig-img--complete fig-img\"\/><\/p>\n<p class=\"fig-premium-paywall__title\">Vous avez envie de lire la suite ?<\/p>\n<p class=\"fig-premium-paywall__subtitle\">D\u00e9bloquez tous les articles imm\u00e9diatement.<\/p>\n<p class=\"fig-premium-paywall__connect\">\n                D\u00e9j\u00e0 abonn\u00e9\u00a0?                <a class=\"fig-premium-paywall__connect-link\" href=\"https:\/\/connect.lefigaro.fr\/login?client=sante_web&amp;type=main&amp;redirect_uri=https%3A%2F%2Fsante.lefigaro.fr%2Fmedecine%2Fdes-chercheurs-mettent-au-point-un-pacemaker-plus-petit-qu-un-grain-de-riz-20250402\" data-js-gtm=\"{&quot;customCategorie&quot;: &quot;conversion&quot;, &quot;customAction&quot;: &quot;before_Landing_Connexion_paywall_auto&quot;, &quot;customLabel&quot;: &quot;c2FudGUubGVmaWdhcm8uZnJfXzFmMDBmYzBlLTk5NDUtNjQzNC04ZTlhLWFkODhiZjJmNTgwNV9fQXJ0aWNsZQ==_Des chercheurs mettent au point un pacemaker plus petit qu\u2019un grain de riz_228&quot;, &quot;customIDSPE&quot;: &quot;c2FudGUubGVmaWdhcm8uZnJfXzFmMDBmYzBlLTk5NDUtNjQzNC04ZTlhLWFkODhiZjJmNTgwNV9fQXJ0aWNsZQ==&quot;, &quot;event&quot;: &quot;customEventSPE&quot;}\" target=\"_blank\" rel=\"noopener\"><br \/>\n                    Connectez-vous<br \/>\n                <\/a>\n            <\/p>\n","protected":false},"excerpt":{"rendered":"Miniature et biod\u00e9gradable, ce dispositif d\u00e9livre des impulsions \u00e9quivalentes \u00e0 celle d\u2019un stimulateur cardiaque \u00ab\u00a0standard\u00a0\u00bb. D\u2019une longueur de&hellip;\n","protected":false},"author":2,"featured_media":1655,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[237,101,232,231,234,228,1011,27,72,239,230,238,226,224,225,233,229,236,235,71,227],"class_list":{"0":"post-1654","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sante","8":"tag-actualite-sur-les-maladies","9":"tag-cancer","10":"tag-cardiologie","11":"tag-cerveau","12":"tag-diabete","13":"tag-diagnostic","14":"tag-fr","15":"tag-france","16":"tag-health","17":"tag-info-sur-les-maladies","18":"tag-infographie","19":"tag-information-sur-les-maladies","20":"tag-maladie","21":"tag-medecine","22":"tag-medicament","23":"tag-obesite","24":"tag-pathologie","25":"tag-pediatrie","26":"tag-psychiatrie","27":"tag-sante","28":"tag-traitement"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fr\/114276630701273784","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/1654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=1654"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/1654\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/1655"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=1654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=1654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=1654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}