{"id":61951834,"date":"2025-02-13T15:53:52","date_gmt":"2025-02-13T14:53:52","guid":{"rendered":"https:\/\/www.chu-poitiers.fr\/?p=61951834"},"modified":"2025-02-14T09:11:59","modified_gmt":"2025-02-14T08:11:59","slug":"premiere-greffe-de-cortex-ovarien-au-chu-de-poitiers","status":"publish","type":"post","link":"https:\/\/www.chu-poitiers.fr\/en\/premiere-greffe-de-cortex-ovarien-au-chu-de-poitiers\/","title":{"rendered":"Premi\u00e8re greffe de cortex ovarien au CHU de Poitiers"},"content":{"rendered":"\n<h3>Pr\u00e9servation de la fertilit\u00e9 et d\u00e9sir de grossesse<\/h3>\n<p>Les 28 et 31 janvier 2025, les sp\u00e9cialistes du centre d\u2019assistance m\u00e9dicale \u00e0 la procr\u00e9ation du CHU et chirurgiens gyn\u00e9cologues ont r\u00e9alis\u00e9 leur toute premi\u00e8re greffe de cortex ovarien sur une patiente en r\u00e9mission apr\u00e8s un cancer du sang. A l\u2019annonce de sa maladie en 2018, la patiente s\u2019\u00e9tait vu proposer de pr\u00e9server sa fertilit\u00e9 par la cong\u00e9lation de l\u2019un de ses ovaires. En effet, les mol\u00e9cules de chimioth\u00e9rapie peuvent affecter les organes de l\u2019appareil reproducteur de la femme. \u00ab&nbsp;<em>En consultation de pr\u00e9servation de la fertilit\u00e9, on se place toujours dans l\u2019urgence du parcours des femmes qui vont suivre des traitements contre le cancer. Nous leur parlons de pr\u00e9servation de fertilit\u00e9 \u00e0 un moment o\u00f9 elles sont assomm\u00e9es par le diagnostic et par les nombreuses informations qu\u2019elles ont \u00e0 dig\u00e9rer. Nous essayons tant bien que mal de les projeter dans le futur&nbsp;\u00bb.<\/em> Retir\u00e9 au bloc op\u00e9ratoire par un gyn\u00e9cologue, l\u2019ovaire a ensuite \u00e9t\u00e9 trait\u00e9 en laboratoire pour une cryoconservation. Cette technique consiste \u00e0 isoler la partie de l\u2019ovaire contenant la r\u00e9serve de follicules appel\u00e9 cortex et \u00e0 la conserver sous forme de fragments dans l\u2019azote liquide \u00e0 \u2013 196\u00b0C. \u00ab&nbsp;<em>Une greffe de fragments de cortex ovarien qui fonctionne rendra sa fertilit\u00e9 \u00e0 une femme sur une dur\u00e9e de trois ou quatre ans. Fragmenter le cortex en plusieurs morceaux, nous permet d\u2019envisager plusieurs greffes<\/em>&nbsp;\u00bb.<\/p>\n<p>En voie de gu\u00e9rison, la patiente a fait part, en 2024 de son d\u00e9sir de grossesse. Malheureusement, l\u2019ovaire restant a \u00e9t\u00e9 impact\u00e9 par les traitements. En accord avec la patiente et son oncologue, les sp\u00e9cialistes du centre d\u2019assistance m\u00e9dicale \u00e0 la procr\u00e9ation ont opt\u00e9 pour une greffe de cortex ovarien afin de permettre la reprise d\u2019une activit\u00e9 ovarienne et d\u2019une grossesse naturelle. \u00ab&nbsp;<em>Les greffes de cortex ovarien sont des interventions faites en France depuis une vingtaine d\u2019ann\u00e9es. Pr\u00e8s de quinze sont effectu\u00e9es chaque ann\u00e9e. Le centre d\u2019AMP de Poitiers n\u2019a commenc\u00e9 l\u2019activit\u00e9 de cong\u00e9lation de cortex ovarien qu\u2019en 2017. La patiente greff\u00e9e est la premi\u00e8re \u00e0 avoir exprim\u00e9 ce souhait<\/em>&nbsp;\u00bb.<\/p>\n<h3>Une greffe en deux \u00e9tapes<\/h3>\n<p>La greffe du cortex ovarien a mobilis\u00e9 les professionnels du centre en deux lieux et deux temps diff\u00e9rents&nbsp;: le laboratoire et le bloc op\u00e9ratoire, le mardi 28 et le vendredi 31 janvier. \u00ab&nbsp;<em>Elle a vraiment donn\u00e9 lieu \u00e0 une forte collaboration entre les professionnels du laboratoire, techniciens et biologistes et nos coll\u00e8gues chirurgiens<\/em>&nbsp;<em>gyn\u00e9cologues<\/em>\u00bb.<\/p>\n<p>Le premier jour, les docteurs Cl\u00e9mence Gachet et Philippe Grivard, biologistes, ont coordonn\u00e9 la pr\u00e9paration des greffons au laboratoire avec l\u2019aide des techniciennes. Deux fragments de cortex ovarien ont \u00e9t\u00e9 d\u00e9congel\u00e9s. \u00ab <em>C\u2019\u00e9tait la premi\u00e8re fois que nous r\u00e9alisions cet acte. Nous n\u2019avions jamais eu jusque-l\u00e0 de retour sur notre activit\u00e9 de cong\u00e9lation de cortex. Pour la d\u00e9cong\u00e9lation, nous ob\u00e9issons \u00e0 un protocole tr\u00e8s strict qui impose, entre autres choses, le passage des fragments dans des bains successifs de milieux de culture avec une concentration d\u00e9croissante en cryoprotecteur&nbsp;<\/em>\u00bb.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2025\/02\/greffe-cortex-ovarien-2.jpg\"><img decoding=\"async\" width=\"900\" height=\"600\" data-id=\"61973413\" src=\"https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2025\/02\/greffe-cortex-ovarien-2.jpg\" alt=\"\" class=\"wp-image-61973413\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2025\/02\/greffe-cortex-ovarien-21.jpg\"><img decoding=\"async\" width=\"900\" height=\"600\" data-id=\"61973350\" src=\"https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2025\/02\/greffe-cortex-ovarien-21.jpg\" alt=\"\" class=\"wp-image-61973350\"\/><\/a><\/figure>\n<\/figure>\n\n\n\n<p>Ensuite, les fragments ont \u00e9t\u00e9 mont\u00e9s au bloc op\u00e9ratoire. L\u00e0 se trouvait le Dr Am\u00e9lie Charv\u00e9riat, chirurgien gyn\u00e9cologique, pour laquelle il s\u2019agissait \u00e9galement de la premi\u00e8re greffe de cortex ovarien. La sp\u00e9cialiste a cr\u00e9\u00e9, sous coelioscopie, \u00e0 l\u2019int\u00e9rieur de l\u2019ut\u00e9rus de la patiente, trois fossettes p\u00e9riton\u00e9ales dans lesquelles elle a d\u00e9pos\u00e9 les fragments apr\u00e8s les avoir fractionn\u00e9s. Ce premier temps est n\u00e9cessaire \u00e0 la cr\u00e9ation d\u2019une n\u00e9ovascularisation des fossettes. Cette s\u00e9rie de gestes techniques pr\u00e9paraient le r\u00e9el temps de greffe qui a lieu trois jours plus tard.<\/p>\n<p>Pour le deuxi\u00e8me temps de greffe, une quinzaine de fragments de cortex ont \u00e9t\u00e9 d\u00e9congel\u00e9s et mont\u00e9s au bloc op\u00e9ratoire en trois fois. Le Dr Am\u00e9lie Charv\u00e9riat et le Dr Caroline Carlier-Guerin, \u00e9galement chirurgienne gyn\u00e9cologique, les ont positionn\u00e9s en patch par robot assist\u00e9 sur quatre sites diff\u00e9rents\u00a0: sur les fossettes cr\u00e9\u00e9es pr\u00e9alablement et sur l\u2019ovaire gauche restant.<\/p>\n<p>Le Dr Am\u00e9lie Charv\u00e9riat explique\u00a0: \u00ab\u00a0<em>Il s\u2019agit d\u2019interventions mini invasives faites en ambulatoire. Entr\u00e9e le matin, la patiente est ressortie \u00e0 midi. Maintenant, il nous faut attendre pour voir si les fragments reprennent. Pour cela, la patiente va faire l\u2019objet d\u2019un suivi \u00e9chographique et biologique mensuel qui nous permettra de voir si les hormones secr\u00e8tent correctement, si les follicules se d\u00e9veloppent, si les vaisseaux revascularisent les nouveaux patchs, etc.\u00a0 G\u00e9n\u00e9ralement, au bout de 4 \u00e0 6 mois, 80 % des patientes greff\u00e9es reprennent une fonction ovarienne \u00bb<\/em>.<\/p>\n<p>Les professionnels du centre ont b\u00e9n\u00e9fici\u00e9 de l\u2019accompagnement et de l\u2019expertise des sp\u00e9cialistes de la greffe de cortex ovarien\u00a0: le Dr Pascal Piver, chirurgien gyn\u00e9cologique, et le Dr Jean Christophe Pech, r\u00e9f\u00e9rent en pr\u00e9servation de la fertilit\u00e9 au CHU de Limoges.<\/p>\n<p>\u00ab\u00a0<em>Au centre de PMA, nous avions d\u00e9j\u00e0 suivi une patiente qui avait b\u00e9n\u00e9fici\u00e9 d\u2019une greffe de cortex ovarien \u00e0 Paris. Aujourd\u2019hui, les femmes du territoire qui le souhaitent pourront se faire greffer pr\u00e8s de chez elles, et nous en sommes ravis.<\/em>\u00a0\u00bb<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2025\/02\/greffe-cortex-ovarien-42.jpg\"><img decoding=\"async\" width=\"900\" height=\"600\" data-id=\"61973458\" src=\"https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2025\/02\/greffe-cortex-ovarien-42.jpg\" alt=\"\" class=\"wp-image-61973458\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2025\/02\/greffe-cortex-ovarien-38.jpg\"><img decoding=\"async\" width=\"900\" height=\"710\" data-id=\"62047699\" src=\"https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2025\/02\/greffe-cortex-ovarien-38.jpg\" alt=\"\" class=\"wp-image-62047699\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2025\/02\/greffe-cortex-ovarien-48.jpg\"><img decoding=\"async\" width=\"900\" height=\"601\" data-id=\"61973464\" src=\"https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2025\/02\/greffe-cortex-ovarien-48.jpg\" alt=\"\" class=\"wp-image-61973464\"\/><\/a><\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Le CHU de Poitiers a r\u00e9cemment proc\u00e9d\u00e9 \u00e0 une greffe de cortex ovarien qui consiste \u00e0 regreffer son propre tissu ovarien \u00e0 une patiente. Une premi\u00e8re\u2026","protected":false},"author":12,"featured_media":61973242,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[96],"tags":[],"class_list":["post-61951834","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Premi\u00e8re greffe de cortex ovarien au CHU de Poitiers - Site du CHU de Poitiers<\/title>\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.chu-poitiers.fr\/premiere-greffe-de-cortex-ovarien-au-chu-de-poitiers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Premi\u00e8re greffe de cortex ovarien au CHU de Poitiers - Site du CHU de Poitiers\" \/>\n<meta property=\"og:description\" content=\"Le CHU de Poitiers a r\u00e9cemment proc\u00e9d\u00e9 \u00e0 une greffe de cortex ovarien qui consiste \u00e0 regreffer son propre tissu ovarien \u00e0 une patiente. Une premi\u00e8re pour le centre d\u2019assistance m\u00e9dicale \u00e0 la procr\u00e9ation (AMP) sur laquelle revient le Dr Cl\u00e9mence Gachet, biologiste au centre d\u2019AMP - centre d\u2019\u00e9tudes et de conservation des \u0153ufs et du sperme (CECOS), et coordinatrice de cette intervention.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.chu-poitiers.fr\/premiere-greffe-de-cortex-ovarien-au-chu-de-poitiers\/\" \/>\n<meta property=\"og:site_name\" content=\"Site du CHU de Poitiers\" \/>\n<meta property=\"article:published_time\" content=\"2025-02-13T14:53:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-14T08:11:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.chu-poitiers.fr\/wp-content\/uploads\/2025\/02\/greffe-cortex-ovarien-45.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Morgane Pr\u00e9maud\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Morgane Pr\u00e9maud\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/premiere-greffe-de-cortex-ovarien-au-chu-de-poitiers\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/premiere-greffe-de-cortex-ovarien-au-chu-de-poitiers\\\/\"},\"author\":{\"name\":\"Morgane Pr\u00e9maud\",\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/#\\\/schema\\\/person\\\/c3b1c950cff7a774b33177b5cdabb2cb\"},\"headline\":\"Premi\u00e8re greffe de cortex ovarien au CHU de Poitiers\",\"datePublished\":\"2025-02-13T14:53:52+00:00\",\"dateModified\":\"2025-02-14T08:11:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/premiere-greffe-de-cortex-ovarien-au-chu-de-poitiers\\\/\"},\"wordCount\":927,\"publisher\":{\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/premiere-greffe-de-cortex-ovarien-au-chu-de-poitiers\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/greffe-cortex-ovarien-45.jpg\",\"articleSection\":[\"Non classifi\u00e9(e)\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/premiere-greffe-de-cortex-ovarien-au-chu-de-poitiers\\\/\",\"url\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/premiere-greffe-de-cortex-ovarien-au-chu-de-poitiers\\\/\",\"name\":\"Premi\u00e8re greffe de cortex ovarien au CHU de Poitiers - 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