{"id":614,"date":"2024-02-20T11:40:25","date_gmt":"2024-02-20T16:40:25","guid":{"rendered":"http:\/\/www.lcti.umontreal.ca\/wordpress\/?p=614"},"modified":"2024-02-20T16:01:26","modified_gmt":"2024-02-20T21:01:26","slug":"axe-simulation-biomechanique-des-interventions-endovasculaires","status":"publish","type":"post","link":"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/2024\/02\/20\/axe-simulation-biomechanique-des-interventions-endovasculaires\/","title":{"rendered":"Axe simulation biom\u00e9chanique des interventions endovasculaires"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p><strong>Chercheur responsable de l&rsquo;axe<\/strong><br>Gilles Soulez<\/p>\n\n\n\n<p><strong>Co-investigateurs<\/strong><br>Rosaire Mongrain (Univ. McGill), \u00c9ric Th\u00e9rasse (Univ. Montr\u00e9al), Daniel Roy (Univ. Montr\u00e9al)<\/p>\n\n\n\n<p><strong>Mots-cl\u00e9s<\/strong><br>Endovascular Aneursym Repair (EVAR), an\u00e9vrisme de l\u2019aorte abdominal (AAA), simulation biom\u00e9chanique, mod\u00e9lisation r\u00e9aliste des tissus, radiologie interventionnelle<\/p>\n\n\n\n<p><strong>Contexte clinique<\/strong><br>La rupture d\u2019un an\u00e9vrisme de l\u2019aorte abdominal est la 13<sup>e<\/sup>cause de d\u00e9c\u00e8s en Am\u00e9rique du Nord. Plus de 20,000 canadiens re\u00e7oivent un diagnostic de AAA chaque ann\u00e9e. Le traitement chirurgical peut soit \u00eatre ouvert, ou minimalement invasif par voie vasculaire. La seconde option radioguid\u00e9e consiste \u00e0 d\u00e9ployer une proth\u00e8se qui vient sceller le sac an\u00e9vrismal.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"279\" height=\"300\" src=\"http:\/\/www.lcti.umontreal.ca\/wordpress\/wp-content\/uploads\/2018\/10\/AAA-279x300.png\" alt=\"\" class=\"wp-image-525\" srcset=\"http:\/\/www.lcti.umontreal.ca\/wordpress\/wp-content\/uploads\/2018\/10\/AAA-279x300.png 279w, http:\/\/www.lcti.umontreal.ca\/wordpress\/wp-content\/uploads\/2018\/10\/AAA-768x826.png 768w, http:\/\/www.lcti.umontreal.ca\/wordpress\/wp-content\/uploads\/2018\/10\/AAA-952x1024.png 952w, http:\/\/www.lcti.umontreal.ca\/wordpress\/wp-content\/uploads\/2018\/10\/AAA.png 1077w\" sizes=\"(max-width: 279px) 100vw, 279px\" \/><\/figure><\/div>\n\n\n<p><strong>Guidage radioguid\u00e9<\/strong><br>Nous collaborons depuis plusieurs ann\u00e9es avec Siemens Healthinners au d\u00e9veloppement d\u2019application de fusion d\u2019image interventionnel pour guider le d\u00e9ploiement de proth\u00e8ses endovasculaires. La g\u00e9om\u00e9trie vasculaire personnalis\u00e9e du patient est extraite de l\u2019examen pr\u00e9-op\u00e9ratoire puis afficher en fusion sur l\u2019image de guidage fluoroscopique. La g\u00e9om\u00e9trie vasculaire est toutefois grandement d\u00e9form\u00e9e par l\u2019introduction des outils endovasculaires.<\/p>\n\n\n\n<p>L\u2019objectif sp\u00e9cifique de cet axe est de d\u00e9form\u00e9e de mani\u00e8re r\u00e9aliste la g\u00e9om\u00e9trie vasculaire pour reproduire le plus fid\u00e8lement possible les forces induites et pr\u00e9dire la position des bifurcations art\u00e9rielles.<\/p>\n\n\n\n<p><strong>Simulation biom\u00e9chanique<\/strong><br>Nous avons d\u00e9velopp\u00e9 un mod\u00e8le de simulation reprenant les propri\u00e9t\u00e9s biom\u00e9caniques des tissus de l\u2019abdomen. La paroi vasculaire, le thrombus, le support rigide osseux, ainsi qu\u2019un mod\u00e8le 3D de l\u2019abdomen reprenant le comportement m\u00e9canique du tissu adipeux. Ce mod\u00e8le 3D complexe est ensuite utilis\u00e9 pour simuler l\u2019insertion et le d\u00e9ploiement d\u2019un assemblage de proth\u00e8ses, reprenant le plus fid\u00e8lement possible la d\u00e9formation observer lors des interventions radioguid\u00e9es.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1300\" height=\"843\" src=\"http:\/\/www.lcti.umontreal.ca\/wordpress\/wp-content\/uploads\/2018\/10\/FEM.png\" alt=\"\" class=\"wp-image-527\" srcset=\"http:\/\/www.lcti.umontreal.ca\/wordpress\/wp-content\/uploads\/2018\/10\/FEM.png 1300w, http:\/\/www.lcti.umontreal.ca\/wordpress\/wp-content\/uploads\/2018\/10\/FEM-300x195.png 300w, http:\/\/www.lcti.umontreal.ca\/wordpress\/wp-content\/uploads\/2018\/10\/FEM-768x498.png 768w, http:\/\/www.lcti.umontreal.ca\/wordpress\/wp-content\/uploads\/2018\/10\/FEM-1024x664.png 1024w\" sizes=\"(max-width: 1300px) 100vw, 1300px\" \/><\/figure><\/div>\n\n\n<p><strong>Financement<\/strong><br>Conseil de recherches en sciences naturelles et en g\u00e9nie du Canada (CRSNG), consortium MEDTEQ, Siemens Healthineers<\/p>\n\n\n\n<p><strong>Publication<\/strong><br><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/?term=soulez+g%5Bauthor%5D\">Soulez &#8211; PubMed<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chercheur responsable de l&rsquo;axeGilles Soulez Co-investigateursRosaire Mongrain (Univ. McGill), \u00c9ric Th\u00e9rasse (Univ. Montr\u00e9al), Daniel Roy (Univ. Montr\u00e9al) Mots-cl\u00e9sEndovascular Aneursym Repair (EVAR), an\u00e9vrisme de l\u2019aorte abdominal (AAA), simulation biom\u00e9chanique, mod\u00e9lisation r\u00e9aliste des tissus, radiologie interventionnelle Contexte cliniqueLa rupture d\u2019un an\u00e9vrisme de l\u2019aorte abdominal est la 13ecause de d\u00e9c\u00e8s en Am\u00e9rique du Nord. Plus de 20,000 canadiens &hellip; <a href=\"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/2024\/02\/20\/axe-simulation-biomechanique-des-interventions-endovasculaires\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Axe simulation biom\u00e9chanique des interventions endovasculaires<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,29],"tags":[],"_links":{"self":[{"href":"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/614"}],"collection":[{"href":"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=614"}],"version-history":[{"count":2,"href":"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/614\/revisions"}],"predecessor-version":[{"id":617,"href":"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/614\/revisions\/617"}],"wp:attachment":[{"href":"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=614"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.lcti.umontreal.ca\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}