{"id":44247,"date":"2025-12-10T12:43:28","date_gmt":"2025-12-10T11:43:28","guid":{"rendered":"https:\/\/sambacademy.com\/?p=44247"},"modified":"2025-12-10T12:45:03","modified_gmt":"2025-12-10T11:45:03","slug":"biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium","status":"publish","type":"post","link":"https:\/\/sambacademy.com\/fr\/biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium\/","title":{"rendered":"Biostimulation par injections sous-cutan\u00e9es\u00a0: hydroxyapatite de calcium"},"content":{"rendered":"\n<p>La biostimulation par hydroxyapatite de calcium (CaHA) fait partie des traitements dits inducteurs de collag\u00e8ne en m\u00e9decine esth\u00e9tique. Au-del\u00e0 du simple comblement, ces produits visent \u00e0 am\u00e9liorer la qualit\u00e9 tissulaire en profondeur, avec un effet \u00e0 la fois tenseur et restructurant. Dans cet article, nous revenons sur le fonctionnement du CaHA, ses principales indications et les points cl\u00e9s pour une utilisation s\u00fbre en pratique.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi on en parle de plus en plus&nbsp;?<\/h2>\n\n\n\n<p>Les biostimulants injectables connaissent un essor important ces derni\u00e8res ann\u00e9es et la tendance se confirme chaque ann\u00e9e un peu plus.<\/p>\n\n\n\n<p>\u00c0 mes yeux, deux raisons principales peuvent expliquer ce ph\u00e9nom\u00e8ne.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Premi\u00e8rement, les nouveaux protocoles d\u2019injection de biostimulants ont permis de r\u00e9duire tr\u00e8s significativement les effets secondaires inflammatoires et granulomateux de ces produits, rendant les praticiens plus confiants.\u00a0 Ces nouveaux protocoles reposent essentiellement sur le principe d\u2019une dilution du produit et sur des r\u00e8gles d\u2019asepsie renforc\u00e9es.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Deuxi\u00e8mement les biostimulants apparaissent comme \u00ab\u00a0plus durables, plus naturels\u00a0\u00bb (en termes d\u2019effets) que les filler volumateurs comme l\u2019acide hyaluronique.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>En v\u00e9rit\u00e9 seule <strong>une recette fonctionne<\/strong>\u00a0\u27a1\ufe0f LES TRAITEMENTS COMBIN\u00c9S\u00a0: \u00a0<\/p>\n\n\n\n<p class=\"has-text-align-center\">Injection de biostimulants, d\u2019acide hyaluronique ou de toxine botulinique<\/p>\n\n\n\n<p class=\"has-text-align-center\">+<\/p>\n\n\n\n<p class=\"has-text-align-center\">Stimulation collag\u00e9nique par radiofr\u00e9quence ou HIFU<\/p>\n\n\n\n<p class=\"has-text-align-center\">+<\/p>\n\n\n\n<p class=\"has-text-align-center\">Traitement dermo-\u00e9pidermique par laser, microneedling, peeling, m\u00e9soth\u00e9rapie, PRP<\/p>\n\n\n\n<p class=\"has-text-align-center\">+<\/p>\n\n\n\n<p class=\"has-text-align-center\">Une bonne hygi\u00e8ne de vie et une cosm\u00e9tologie adapt\u00e9e<\/p>\n\n\n\n<p class=\"has-text-align-center\">+<\/p>\n\n\n\n<p class=\"has-text-align-center\">Une bonne FORMATION pour ex\u00e9cuter les traitements<\/p>\n\n\n\n<p class=\"has-text-align-center\">=<\/p>\n\n\n\n<p class=\"has-text-align-center\">Des patients satisfaits et reconnaissants<\/p>\n\n\n\n<p>Ces biostimulants s\u2019inscrivent parfaitement dans l\u2019\u00e8re de la m\u00e9decine esth\u00e9tique moderne, qui promeut l\u2019association des techniques et traitements pour obtenir des r\u00e9sultats durables et harmonieux.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Revenons \u00e0 l\u2019hydroxyapatite de calcium&nbsp;(CaHA)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c7a marche comment&nbsp;?<\/h3>\n\n\n\n<p>Le CaHA ce sont des microsph\u00e8res de calcium (c\u2019est pour \u00e7a que le produit est blanc) dans un gel porteur \u00e0 base d\u2019eau st\u00e9rile, glyc\u00e9rine et carboxym\u00e9thylcellulose pour le Radiesse de (Merz) et d\u2019acide hyaluronique pour l\u2019Harmonyca (Allergan).<\/p>\n\n\n\n<p>Apr\u00e8s injection, il y a deux effets attendus&nbsp;:<\/p>\n\n\n\n<p><strong>Un effet tenseur imm\u00e9diat<\/strong> li\u00e9 au gel porteur. Cet effet est appr\u00e9ciable, mais peu durable, car le gel porteur se r\u00e9sorbe rapidement. Il est plus long avec l\u2019acide hyaluronique.<\/p>\n\n\n\n<p>Ce qui est int\u00e9ressant, c\u2019est le second effet attendu qui est plus durable.<\/p>\n\n\n\n<p>Il s\u2019agit d\u2019un effet tenseur sur la peau par <strong>stimulation de la production de collag\u00e8ne de type 1 et 3.<\/strong><\/p>\n\n\n\n<p>Deux m\u00e9canismes entrent en jeu&nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Une stimulation m\u00e9canique ; les petites sph\u00e8res de calcium titillent les fibroblastes<\/li>\n\n\n\n<li>Une stimulation m\u00e9tabolique\u00a0; d\u00e9gradation du calcium<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c7a s\u2019injecte comment&nbsp;?<\/h3>\n\n\n\n<p>En biostimulation le CaHA s\u2019injecte dans le plan sous-cutan\u00e9 \u00e0 la canule (25G ou 22G).<\/p>\n\n\n\n<p>L\u2019injection se fait selon la technique du fanning avec injection r\u00e9trotra\u00e7ante. &nbsp;<\/p>\n\n\n\n<p>Il est important de bien ma\u00eetriser cette technique pour ne pas faire d\u2019amas ou nodules de CaHA qui pourraient g\u00e9n\u00e9rer des r\u00e9actions inflammatoires ind\u00e9sirables, voir des granulomes.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Pour le Radiesse\u00a0<\/h4>\n\n\n\n<p>Au pr\u00e9alable, le Radiesse est dilu\u00e9 1, 2, ou 3 fois avec du s\u00e9rum physiologique selon l\u2019indication (visage, cou, d\u00e9collet\u00e9, corps) et les habitudes du praticien.<\/p>\n\n\n\n<p>Il faut diluer le produit pour diminuer le risque de r\u00e9action inflammatoire secondaire.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">L\u2019Harmonica s\u2019injecte directement comme il est livr\u00e9 sans dilution<\/h4>\n\n\n\n<p>Tous ces \u00e9l\u00e9ments doivent \u00eatre compris, appris, et maitris\u00e9s avant de se lancer dans la biostimulation par injection de CaHA.<\/p>\n\n\n\n<p>Comme toujours une maitrise des injections dans les 5 couches (cutan\u00e9, <strong><u>sous cutan\u00e9<\/u><\/strong>, graisse profonde, SMAS, p\u00e9rioste) est un pr\u00e9requis indispensable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les principales indications\u00a0<\/h2>\n\n\n\n<p>En fait, une fois que l\u2019on sait diluer, qu\u2019on respecte une asepsie stricte, et surtout qu\u2019on a bien appris \u00e0 injecter dans le plan sous cutan\u00e9 avec le fanning, on peut appliquer du CaHA sur presque tout le corps s\u2019il y a de la laxit\u00e9 cutan\u00e9e.<\/p>\n\n\n\n<p>Mais on retrouve fr\u00e9quemment ces indications&nbsp;:<\/p>\n\n\n\n<p>Visage, cou, d\u00e9collet\u00e9, abdomen, genou, int\u00e9rieur des cuisses, int\u00e9rieur des bras.<\/p>\n\n\n\n<p>J\u2019applique un ratio d\u2019une ampoule de 1,5ml dilu\u00e9e deux fois pour une zone \u00e9quivalente \u00e0 une face palmaire de la main.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u2019injection de Radiesse non dilu\u00e9\u00a0<\/h3>\n\n\n\n<p>Le Radiesse est livr\u00e9 en seringue de 1,5 ml avec (Radiesse +) ou sans lidoca\u00efne.<\/p>\n\n\n\n<p>Certains l\u2019injectent dans le plan p\u00e9riost\u00e9 pour un effet tenseur par repositionnement des compartiments graisseux profonds. Il est \u00e9galement inject\u00e9 pur dans le plan sous cutan\u00e9 pour faire du contouring de la mandibule, du menton, voire du nez.<\/p>\n\n\n\n<p>Ce n\u2019est pas une technique que je recommande, car le risque inflammatoire est bien plus important et l\u2019injection intravasculaire est tr\u00e8s grave, car la hyaluronidase n\u2019a pas d\u2019effet sur le CaHA.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">En r\u00e9sum\u00e9<\/h2>\n\n\n\n<p>Le CaHA est un biostimulant de grande qualit\u00e9 qui doit faire partie de l\u2019arsenal th\u00e9rapeutique en m\u00e9decine esth\u00e9tique. Il n\u00e9cessite une bonne formation de base et sp\u00e9cifique. Il doit s\u2019int\u00e9grer dans des traitements combin\u00e9s pour donner des r\u00e9sultats durables, s\u00fbrs et harmonieux.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les biostimulants injectables comme l\u2019hydroxyapatite de calcium (CaHA) occupent une place croissante en m\u00e9decine esth\u00e9tique. En stimulant la production de collag\u00e8ne, ils offrent des r\u00e9sultats plus durables et naturels lorsqu\u2019ils sont int\u00e9gr\u00e9s \u00e0 des protocoles combin\u00e9s. Cet article d\u00e9taille le fonctionnement du CaHA, ses modalit\u00e9s d\u2019injection, la dilution, les principales indications et les pr\u00e9cautions indispensables pour une pratique s\u00fbre.<\/p>\n","protected":false},"author":2,"featured_media":44248,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_joinchat":[],"footnotes":"","_links_to":"","_links_to_target":""},"categories":[45],"tags":[],"class_list":["post-44247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Biostimulation par injections sous-cutan\u00e9es\u00a0: hydroxyapatite de calcium - SAMBA<\/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:\/\/sambacademy.com\/fr\/biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Biostimulation par injections sous-cutan\u00e9es\u00a0: hydroxyapatite de calcium - SAMBA\" \/>\n<meta property=\"og:description\" content=\"Les biostimulants injectables comme l\u2019hydroxyapatite de calcium (CaHA) occupent une place croissante en m\u00e9decine esth\u00e9tique. En stimulant la production de collag\u00e8ne, ils offrent des r\u00e9sultats plus durables et naturels lorsqu\u2019ils sont int\u00e9gr\u00e9s \u00e0 des protocoles combin\u00e9s. Cet article d\u00e9taille le fonctionnement du CaHA, ses modalit\u00e9s d\u2019injection, la dilution, les principales indications et les pr\u00e9cautions indispensables pour une pratique s\u00fbre.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sambacademy.com\/fr\/biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium\/\" \/>\n<meta property=\"og:site_name\" content=\"SAMBA\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/people\/SAMBA-Swiss-Aesthetic-Medicine-Business-Academy\/100084333172309\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-10T11:43:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-10T11:45:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sambacademy.com\/wp-content\/uploads\/2025\/12\/Biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1116\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Guilhem Poron\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Guilhem Poron\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/sambacademy.com\\\/fr\\\/biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sambacademy.com\\\/fr\\\/biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium\\\/\"},\"author\":{\"name\":\"Guilhem Poron\",\"@id\":\"https:\\\/\\\/sambacademy.com\\\/fr\\\/#\\\/schema\\\/person\\\/256d2ddc54d974b865824343f2f17930\"},\"headline\":\"Biostimulation par injections sous-cutan\u00e9es\u00a0: hydroxyapatite de calcium\",\"datePublished\":\"2025-12-10T11:43:28+00:00\",\"dateModified\":\"2025-12-10T11:45:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/sambacademy.com\\\/fr\\\/biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium\\\/\"},\"wordCount\":870,\"publisher\":{\"@id\":\"https:\\\/\\\/sambacademy.com\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/sambacademy.com\\\/fr\\\/biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/sambacademy.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/Biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium.jpg\",\"articleSection\":[\"Articles\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/sambacademy.com\\\/fr\\\/biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium\\\/\",\"url\":\"https:\\\/\\\/sambacademy.com\\\/fr\\\/biostimulation-par-injections-sous-cutanees-hydroxyapatite-de-calcium\\\/\",\"name\":\"Biostimulation par injections sous-cutan\u00e9es\u00a0: hydroxyapatite de calcium - 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En stimulant la production de collag\u00e8ne, ils offrent des r\u00e9sultats plus durables et naturels lorsqu\u2019ils sont int\u00e9gr\u00e9s \u00e0 des protocoles combin\u00e9s. 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