{"id":1793,"date":"2024-07-02T09:00:48","date_gmt":"2024-07-02T08:00:48","guid":{"rendered":"https:\/\/imag.umontpellier.fr\/?p=1793"},"modified":"2024-07-02T09:00:49","modified_gmt":"2024-07-02T08:00:49","slug":"morgane-garreau-laureate-du-prix-de-these-de-doctorat-sfrmbm-2023","status":"publish","type":"post","link":"https:\/\/imag.umontpellier.fr\/?p=1793","title":{"rendered":"Morgane Garreau, laur\u00e9ate du prix de th\u00e8se de doctorat SFRMBM 2023"},"content":{"rendered":"\n<div class=\"wp-block-media-text is-stacked-on-mobile is-vertically-aligned-top\" style=\"grid-template-columns:34% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/sfrmbm.fr\/toute-lactualite\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"346\" height=\"301\" src=\"https:\/\/imag.umontpellier.fr\/wp-content\/uploads\/2024\/05\/Screenshot-2024-05-23-at-13-08-03-Toute-lactualite-\u2013-SFRMBM.png\" alt=\"\" class=\"wp-image-1794 size-full\" srcset=\"https:\/\/imag.umontpellier.fr\/wp-content\/uploads\/2024\/05\/Screenshot-2024-05-23-at-13-08-03-Toute-lactualite-\u2013-SFRMBM.png 346w, https:\/\/imag.umontpellier.fr\/wp-content\/uploads\/2024\/05\/Screenshot-2024-05-23-at-13-08-03-Toute-lactualite-\u2013-SFRMBM-300x261.png 300w\" sizes=\"auto, (max-width: 346px) 100vw, 346px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Morgane Garreau<\/strong>, Doctorante \u00e0 l&rsquo;IMAG, est laur\u00e9ate du prix de doctorat <strong><a href=\"https:\/\/sfrmbm.fr\/2024\/01\/09\/prix-de-these-de-doctorat-2023-de-la-sfrmbm\/\" target=\"_blank\" rel=\"noreferrer noopener\">SFRMBM<\/a> 2023<\/strong>, pour sa <a href=\"https:\/\/theses.fr\/2023UMONS040\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>th\u00e8se<\/strong><\/a> intitul\u00e9e \u00ab\u00a0<em>Simulations h\u00e9modynamiques pour l&rsquo;IRM : contr\u00f4le qualit\u00e9, optimisation et int\u00e9gration \u00e0 la pratique clinique<\/em>\u00a0\u00bb sous la Direction de <strong>Franck Nicoud<\/strong> et <strong>Simon Mendez<\/strong> (IMAG) et encadr\u00e9e par <strong>Ramiro Moreno<\/strong> (Alara Group).<\/p>\n\n\n\n<p>R\u00e9sum\u00e9: ce travail de th\u00e8se porte sur l\u2019\u00e9valuation de la s\u00e9quence d\u2019IRM de flux 4D qui donne acc\u00e8s au champ de vitesse tridimensionnelle du sang \u00e0 diff\u00e9rents instants du cycle cardiaque. Une \u201cbo\u00eete \u00e0 outils\u201d, initi\u00e9e par T. Puiseux, est d\u00e9velopp\u00e9e. Elle consiste en un fant\u00f4me de flux compatible IRM, des simulations CFD sur un jumeau num\u00e9rique et des IRM synth\u00e9tiques obtenues par couplage des \u00e9quations de Navier-Stokes avec celles de Bloch (IRM). Leurs comparaisons permettent une discrimination entre les sources d&rsquo;erreurs et ainsi une meilleure compr\u00e9hension de la s\u00e9quence. Nous avons d&rsquo;abord pu montrer que les acquisitions acc\u00e9l\u00e9r\u00e9es d\u2019IRM 4D ne d\u00e9t\u00e9riorent pas le champ de vitesse par rapport \u00e0 l&rsquo;acquisition non-acc\u00e9l\u00e9r\u00e9e, mais que la correction des courants de Foucault est essentielle. Nous avons ensuite \u00e9tudi\u00e9 l\u2019impact de l\u2019\u00e9cho partiel, un param\u00e8tre de s\u00e9quence dont l\u2019utilisation pour l\u2019IRM 4D ne fait pas consensus.<\/p>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Morgane Garreau, Doctorante \u00e0 l&rsquo;IMAG, est laur\u00e9ate du prix de doctorat SFRMBM 2023, pour sa th\u00e8se intitul\u00e9e \u00ab\u00a0Simulations h\u00e9modynamiques pour l&rsquo;IRM : contr\u00f4le qualit\u00e9, optimisation [&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[91],"tags":[142,72],"class_list":["post-1793","post","type-post","status-publish","format-standard","hentry","category-imag","tag-doctorat","tag-prix-mathematiques"],"_links":{"self":[{"href":"https:\/\/imag.umontpellier.fr\/index.php?rest_route=\/wp\/v2\/posts\/1793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/imag.umontpellier.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/imag.umontpellier.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/imag.umontpellier.fr\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/imag.umontpellier.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1793"}],"version-history":[{"count":11,"href":"https:\/\/imag.umontpellier.fr\/index.php?rest_route=\/wp\/v2\/posts\/1793\/revisions"}],"predecessor-version":[{"id":2450,"href":"https:\/\/imag.umontpellier.fr\/index.php?rest_route=\/wp\/v2\/posts\/1793\/revisions\/2450"}],"wp:attachment":[{"href":"https:\/\/imag.umontpellier.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/imag.umontpellier.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/imag.umontpellier.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}