{"id":10409,"date":"2021-12-18T17:26:52","date_gmt":"2021-12-18T16:26:52","guid":{"rendered":"https:\/\/looketmedecine.fr\/?p=10409"},"modified":"2024-10-05T00:32:40","modified_gmt":"2024-10-04T22:32:40","slug":"lm2-tout-ce-que-vous-voulez-savoir-le-plasma-riche-en-plaquettes-prp-un-traitement-adjuvant-de-lalopecie-pr-barbara-hersant-chirurgie-plastique-hopital-henri-mondor-aphp-directrice-sc","status":"publish","type":"post","link":"https:\/\/looketmedecine.fr\/en\/lm2-tout-ce-que-vous-voulez-savoir-le-plasma-riche-en-plaquettes-prp-un-traitement-adjuvant-de-lalopecie-pr-barbara-hersant-chirurgie-plastique-hopital-henri-mondor-aphp-directrice-sc\/","title":{"rendered":"LM N\u00b0 2\/ 2021.  Everything you want to know about Platelet Rich Plasma (PRP), an adjuvant treatment for alopecia. Pr Barbara Hersant. Plastic Surgery, H\u00f4pital Henri Mondor, APHP. Scientific Director of the AIME congress"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"10409\" class=\"elementor elementor-10409\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dbc8d29 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dbc8d29\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-77fef97\" data-id=\"77fef97\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1d1f1ac elementor-widget elementor-widget-text-editor\" data-id=\"1d1f1ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: right;\"><span style=\"color: #0000ff;\"><strong>Tout ce que vous voulez savoir<\/strong><\/span><\/p><h1 style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>Le Plasma Riche en Plaquettes (PRP),\u00a0<\/strong><\/span><\/h1><h1 style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>un traitement adjuvant de l\u2019alop\u00e9cie. <\/strong><\/span><\/h1><p style=\"text-align: center;\"><span style=\"color: #ff6600;\"><strong>Pr Barbara Hersant<\/strong><\/span><\/p><p style=\"text-align: center;\"><span style=\"color: #ff6600;\"><strong>Chirurgie Plastique, <\/strong><\/span><span style=\"color: #ff6600;\"><strong>H\u00f4pital Henri Mondor, APHP<\/strong><\/span><\/p><p style=\"text-align: center;\"><span style=\"color: #ff6600;\"><strong>Directrice scientifique du congr\u00e8s AIME<\/strong><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-995db27 elementor-widget elementor-widget-image\" data-id=\"995db27\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"394\" height=\"344\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-18-a\u0300-22.29.40.png\" class=\"attachment-large size-large wp-image-10899\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-18-a\u0300-22.29.40.png 394w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-18-a\u0300-22.29.40-300x262.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-18-a\u0300-22.29.40-14x12.png 14w\" sizes=\"(max-width: 394px) 100vw, 394px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82a1785 elementor-widget elementor-widget-text-editor\" data-id=\"82a1785\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #0000ff;\">Les<strong> 3 causes principales d\u2019alop\u00e9cie<\/strong> <strong>sont:<\/strong> l\u2019alop\u00e9cie androg\u00e9nique, l\u2019effluvium t\u00e9log\u00e8ne et la pelade (1). <\/span><\/p><p><span style=\"color: #0000ff;\">Devant toute alop\u00e9cie, un bilan m\u00e9dical est primordial et permettra de rechercher\u00a0:<\/span><\/p><p style=\"padding-left: 40px;\">Les carences martiales correspondant \u00e0 des carences en fer, la malnutrition.<\/p><p style=\"padding-left: 40px;\">Les causes endocriniennes : la dysthyroidie, hyperandrog\u00e9nie.<\/p><p style=\"padding-left: 40px;\">Les causes toxiques : les chimioth\u00e9rapies, la prise d\u2019oestroprogestatif.<\/p><p style=\"padding-left: 40px;\">Les causes li\u00e9es aux maladies auto-immunes\u00a0: le lupus \u00e9ryth\u00e9mateux, la scl\u00e9rodermie.<\/p><p style=\"padding-left: 40px;\">Les causes infectieuses : la folliculite, l\u2019infection VIH et syphilis et les teignes<\/p><p style=\"padding-left: 40px;\">Les causes physiques\u00a0: apr\u00e8s un traumatisme, une br\u00fblure.<\/p><p style=\"padding-left: 40px;\">Les causes acquises : la trichotillomanie.<\/p><p><span style=\"color: #0000ff;\"><strong>Le plasma riche en plaquettes (PRP) est<\/strong><\/span> : <strong>d\u00e9fini comme un produit biologique autologue d\u00e9riv\u00e9 du sang du patient et dans lequel (apr\u00e8s un processus de centrifugation) une fraction plasmatique est obtenue avec une concentration plaquettaire sup\u00e9rieure \u00e0 celle du sang circulant.<\/strong><\/p><p><strong>Ce proc\u00e9d\u00e9 technologie th\u00e9rapeutique gagne en int\u00e9r\u00eat pour la <span style=\"color: #0000ff;\">m\u00e9decine r\u00e9g\u00e9n\u00e9rative <\/span>en raison de son potentiel \u00e0 stimuler et acc\u00e9l\u00e9rer la r\u00e9g\u00e9n\u00e9ration des tissus (2).<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65c239e elementor-widget elementor-widget-image\" data-id=\"65c239e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"572\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-19-a\u0300-06.41.04-768x572.png\" class=\"attachment-medium_large size-medium_large wp-image-10926\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-19-a\u0300-06.41.04-768x572.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-19-a\u0300-06.41.04-300x224.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-19-a\u0300-06.41.04-1024x763.png 1024w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-19-a\u0300-06.41.04-16x12.png 16w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-19-a\u0300-06.41.04.png 1044w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46e5a9e elementor-widget elementor-widget-video\" data-id=\"46e5a9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=OKdc_hHDkXA&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b013185 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b013185\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5d74cd3\" data-id=\"5d74cd3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8e85a2c elementor-widget elementor-widget-text-editor\" data-id=\"8e85a2c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #0000ff;\"><strong>La pr\u00e9paration de PRP n\u00e9cessite un\u00a0pr\u00e9l\u00e8vement sanguin. (Figure 1).<\/strong><\/span><\/p><p><strong>Avant centrifugation 8 ml de sang sont pr\u00e9lev\u00e9s dans un tube contenant un anticoagulant (citrate de sodium).<\/strong><\/p><p><strong>Apr\u00e8s centrifugation \u00e0 1500G pendant 5 minutes, le PRP est s\u00e9par\u00e9 des globules rouges qui s\u00e9dimentent au fond du tube.<\/strong><\/p><p><strong>Le tube est invers\u00e9 plusieurs fois pour re-suspendre les plaquettes contenues dans le plasma.<\/strong><\/p><p><strong>Chaque plaquette contient plus de 3000 biomol\u00e9cules.<\/strong><\/p><p><strong>Apr\u00e8s activation, la plaquette se d\u00e9granule et lib\u00e8rent toutes ces mol\u00e9cules dans le tissu receveur.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-203fe44 elementor-widget elementor-widget-image\" data-id=\"203fe44\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"423\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.17.43-1024x542.png\" class=\"attachment-large size-large wp-image-10424\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.17.43-1024x542.png 1024w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.17.43-300x159.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.17.43-768x407.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.17.43-18x10.png 18w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.17.43.png 1378w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 1. Pr\u00e9paration du PRP \u00e0 partir d\u2019une prise de sang (8Ml) avec le dispositif RegenKI-BCT\u00ae. <\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6ae5ff7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ae5ff7\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-35ae036\" data-id=\"35ae036\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2675230 elementor-widget elementor-widget-image\" data-id=\"2675230\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"722\" height=\"1024\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.26.55-722x1024.png\" class=\"attachment-large size-large wp-image-10940\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.26.55-722x1024.png 722w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.26.55-211x300.png 211w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.26.55-768x1090.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.26.55-1082x1536.png 1082w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.26.55-1443x2048.png 1443w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.26.55-8x12.png 8w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.26.55.png 1353w\" sizes=\"(max-width: 722px) 100vw, 722px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35ef84d elementor-widget elementor-widget-text-editor\" data-id=\"35ef84d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><span style=\"color: #0000ff;\">Les facteurs de croissance essentiels du PRP sont repr\u00e9sent\u00e9s dans le tableau 1.<\/span><\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Ils comprennent :<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Le facteur de croissance transformant (transforming growth factor\u00a0:TGF \u03b2-1<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>les\u00a0facteurs de croissance plaquettaires (platelet derived growth factors\u00a0: PDGF- \u03b1 \u03b2 et PDGF &#8211; \u03b2\u03b2),<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Le facteur de croissance \u00e0 l&rsquo;insuline (Insulin growth factor\u00a0: IGF),<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>les\u00a0facteurs de croissance endoth\u00e9liaux vasculaires (vascular endothelial growth factor\u00a0:VEGF),<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>le facteur de croissance \u00e9pidermique (Epidermal growth factor\u00a0: EGF)<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>et le facteur de croissance des fibroblastes (fibroblast growth factor\u00a0: FGF-2)<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Le TGF-\u03b21 et le PDGF stimulent la prolif\u00e9ration des cellules m\u00e9senchymateuses.\u00a0<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Le TGF-\u00df1 stimule \u00e9galement la production de matrice extracellulaire, y compris le collag\u00e8ne.\u00a0<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Principalement, ces facteurs stabilisent le tissu endommag\u00e9 pendant les \u00e9tapes initiales de la r\u00e9paration tissulaire et dirigent les cellules m\u00e9senchymateuses et \u00e9pith\u00e9liales locales \u00e0 migrer, se diviser et augmenter la synth\u00e8se de collag\u00e8ne et de matrice, conduisant finalement au tissu conjonctif fibreux et \u00e0 la cicatrisation.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Le VEGF et le FGF-2 sont importants pour stimuler la formation de nouveaux vaisseaux sanguins afin d&rsquo;amener les nutriments (3-5).<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84983ce elementor-widget elementor-widget-image\" data-id=\"84983ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"715\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.22.16-1024x915.png\" class=\"attachment-large size-large wp-image-10437\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.22.16-1024x915.png 1024w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.22.16-300x268.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.22.16-768x686.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.22.16-13x12.png 13w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.22.16.png 1406w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Tableau 1. R\u00e9sum\u00e9 des facteurs de croissance contenus dans le plasma riche en plaquettes (3-5).<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b060f5c elementor-widget elementor-widget-image\" data-id=\"b060f5c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"483\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.23.39-1024x618.png\" class=\"attachment-large size-large wp-image-10438\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.23.39-1024x618.png 1024w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.23.39-300x181.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.23.39-768x463.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.23.39-18x12.png 18w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.23.39.png 1406w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Suite. Tableau 1. R\u00e9sum\u00e9 des facteurs de croissance contenus dans le plasma riche en plaquettes (3-5).<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0adf7c8 elementor-widget elementor-widget-text-editor\" data-id=\"0adf7c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #3366ff;\"><strong>Chaque facteur de croissance peut avoir diff\u00e9rents effets sur le processus de cicatrisation et agit en se liant \u00e0 des r\u00e9cepteurs sp\u00e9cifiques sur les membranes cellulaires des cellules cibles.\u00a0<\/strong><\/span><\/p><p style=\"padding-left: 40px;\"><strong>Ces effets comprennent la chimiotaxie (attraction des cellules), induisant la migration et la prolif\u00e9ration des cellules, et ils stimulent les cellules \u00e0 r\u00e9guler \u00e0 la hausse la production de prot\u00e9ines.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Ces facteurs de croissance r\u00e9gulent non seulement la migration et la prolif\u00e9ration cellulaire, mais aussi le remodelage de la matrice extracellulaire et favorisent l&rsquo;angiogen\u00e8se, cr\u00e9ant un environnement id\u00e9al qui favorise le processus de r\u00e9g\u00e9n\u00e9ration.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-df24534 elementor-widget elementor-widget-text-editor\" data-id=\"df24534\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #3366ff;\"><strong>Il n\u2019y a pas de consensus pour la pr\u00e9paration du PRP mais l\u2019utilisation d\u2019un kit en circuit ferm\u00e9 est pr\u00e9f\u00e9rable pour \u00e9viter les contaminations.\u00a0 <\/strong><strong>Ci-joint, dans le tableau 2 voir les diff\u00e9rents kits qui ont un marquage CE.<\/strong><\/span><\/p><p style=\"padding-left: 40px;\"><strong>Il n\u2019y a pas un PRP mais des PRP. Le PRP d\u00e9pend du donneur, mais aussi du kit utilis\u00e9 et du mode de pr\u00e9paration.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc3090e elementor-widget elementor-widget-image\" data-id=\"bc3090e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"452\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.26.33-1024x578.png\" class=\"attachment-large size-large wp-image-10448\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.26.33-1024x578.png 1024w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.26.33-300x169.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.26.33-768x434.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.26.33-18x10.png 18w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.26.33.png 1392w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Tableau 2. Comparaison de la pr\u00e9paration du PRP avec diff\u00e9rents dispositifs m\u00e9dicaux (6). <\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bfe2cb elementor-widget elementor-widget-text-editor\" data-id=\"8bfe2cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #3366ff;\"><strong>Une des m\u00e9thodes de pr\u00e9paration du PRP<\/strong> (<strong>Figure 2. <\/strong>)<\/span><\/p><p style=\"text-align: left; padding-left: 40px;\"><strong>Le manuel technique de l&rsquo;American Association of Blood Banks (44) indique que \u00ab\u00a0le plasma riche en plaquettes est s\u00e9par\u00e9 du sang total par centrifugation. Le principe de base de la proc\u00e9dure de s\u00e9paration PRP est repr\u00e9sent\u00e9 dans la figure 2.<\/strong><\/p><p style=\"text-align: left; padding-left: 40px;\"><strong>Suite \u00e0 la centrifugation, le sang est fractionn\u00e9 et des \u00e9l\u00e9ments cellulaires s\u00e9dimentent \u00e0 la surface du gel dans les tubes <span style=\"color: #0000ff;\">RegenBCT\u00ae (Blood Cell Therapy).<\/span><\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Le processus de centrifugation s\u00e9pare les composants sanguins en raison de leurs diff\u00e9rentes densit\u00e9s, c&rsquo;est-\u00e0-dire que les globules rouges sont les plus lourds (se trouvent pi\u00e9g\u00e9s gr\u00e2ce au gel s\u00e9parateur), suivis des plaquettes contenues dans le plasma et qui sont les plus l\u00e9g\u00e8res.\u00a0<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>La centrifugation est r\u00e9alis\u00e9e \u00e0 1500 g pendant 5 minutes.\u00a0<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Le rendement en plaquettes d\u00e9pend principalement de certains param\u00e8tres tels que la taille et la forme du contenant utilis\u00e9, la vitesse et le temps de centrifugation et l&rsquo;anticoagulant utilis\u00e9.\u00a0<\/strong><\/p><p><strong><span style=\"color: #3366ff;\">Il y a un manque important d&rsquo;\u00e9tudes comparatives pour normaliser les param\u00e8tres proc\u00e9duraux du PRP.\u00a0 Cependant, dans notre pratique au laboratoire, nous avons utilis\u00e9 le kit RegenKit-BCT qui nous permet d\u2019avoir \u00e0 partir d\u2019un m\u00eame volume de sang une concentration en plaquettes de 1.6 fois.<\/span><\/strong><\/p><p><strong><span style=\"color: #800080;\">Ainsi, les PRP obtenu avec <span style=\"color: #0000ff;\">RegenKit\u00ae-BCT<\/span> contient par rapport \u00e0 un \u00ab\u00a0caillot naturel\u00a0\u00bb<\/span><\/strong><\/p><ul><li><strong><span style=\"color: #800080;\">tr\u00e8s peu de globules rouges (&lt; 0.3% de r\u00e9cup\u00e9ration),<\/span><\/strong><\/li><li><strong><span style=\"color: #800080;\">beaucoup moins de leucocytes (11-13% de r\u00e9cup\u00e9ration, soit 0.2x),<\/span><\/strong><\/li><li><strong><span style=\"color: #800080;\">une quantit\u00e9 \u00e9quivalente de fibrine, et 1.6 fois plus de plaquettes, soit 1.6 fois plus de facteurs de croissance d&rsquo;origine plaquettaire d\u00e9livr\u00e9s dans leurs proportions relatives naturelles. (Tableau 3).<\/span><\/strong><\/li><\/ul><p><strong><span style=\"color: #3366ff;\">\u00a0<\/span><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-752c568 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"752c568\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-56c56ee\" data-id=\"56c56ee\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-62dead3 elementor-widget elementor-widget-image\" data-id=\"62dead3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"430\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.31.31-1024x550.png\" class=\"attachment-large size-large wp-image-10449\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.31.31-1024x550.png 1024w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.31.31-300x161.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.31.31-768x412.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.31.31-18x10.png 18w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.31.31.png 1390w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 2. Pr\u00e9paration autologue de plasma riche en plaquettes (A-PRP) \u00e0 l\u2019aide du dispositif RegenBCT\u00ae.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c39809c elementor-widget elementor-widget-image\" data-id=\"c39809c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"103\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.35.31-1024x132.png\" class=\"attachment-large size-large wp-image-10457\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.35.31-1024x132.png 1024w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.35.31-300x39.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.35.31-768x99.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.35.31-1536x198.png 1536w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.35.31-2048x265.png 2048w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.35.31-18x2.png 18w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.35.31.png 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Tableau 3: Caract\u00e9ristiques du PRP obtenu avec le kit RegenKit-BCT.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ab072cf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ab072cf\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-38a29c0\" data-id=\"38a29c0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e00f3ce elementor-widget elementor-widget-text-editor\" data-id=\"e00f3ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #800080;\"><strong>Le PRP\u00a0: un traitement adjuvant de l\u2019alop\u00e9cie.<\/strong><\/span><\/p><p><span style=\"color: #0000ff;\"><strong>\u00c0 la question y a-t-il une augmentation de la densit\u00e9 capillaire\u00a0? La r\u00e9ponse est OUI.<\/strong><\/span><\/p><p style=\"padding-left: 40px;\"><strong>Diff\u00e9rentes \u00e9tudes ont \u00e9valu\u00e9 la densit\u00e9 des cheveux et ont montr\u00e9 une augmentation de la densit\u00e9 des cheveux (7-9).<\/strong><\/p><p style=\"padding-left: 40px;\"><strong><em>L&rsquo;\u00e9tude de Gentile et al. (8)<\/em> \u00e9tait un essai randomis\u00e9 en double aveugle sur 23 patients trait\u00e9s par 3 s\u00e9ances d&rsquo;injections de PRP sur une base mensuelle ou 3 s\u00e9ances d&rsquo;injections de solutions physiologiques.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>La densit\u00e9 capillaire a \u00e9t\u00e9 \u00e9valu\u00e9e par Trichoscan et les r\u00e9sultats ont montr\u00e9 une augmentation moyenne de 45,9 cheveux\/cm2 dans le groupe trait\u00e9 contre une diminution moyenne de 5,6 cheveux\/cm2 dans le groupe t\u00e9moin (P &lt; 0,05).<\/strong><\/p><p style=\"padding-left: 40px;\"><strong><em>L&rsquo;\u00e9tude d&rsquo;Alves et al. (9<\/em>) \u00e9tait un essai randomis\u00e9 en double aveugle sur 25 patients trait\u00e9s par 3 sessions d&rsquo;injections de PRP sur une base mensuelle ou 3 sessions d&rsquo;injections de solutions physiologiques.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>La densit\u00e9 capillaire a \u00e9t\u00e9 \u00e9valu\u00e9e par trichoscanner et les r\u00e9sultats ont montr\u00e9 une augmentation moyenne de 12,8 cheveux\/cm2 dans le groupe trait\u00e9 contre une diminution moyenne de 2,1 cheveux\/cm2 dans le groupe t\u00e9moin (P &lt; 0,05).<\/strong><\/p><p><strong><span style=\"color: #0000ff;\">Quelle augmentation peut-on attendre?\u00a0 Une augmentation de 10 \u00e0 20 %.<\/span><\/strong><\/p><p style=\"padding-left: 40px;\"><strong>L&rsquo;un des premiers articles sur le PRP pour le traitement des alop\u00e9cies a \u00e9t\u00e9 publi\u00e9 en 2006<em> par Uebel et ses coll\u00e8gues, <\/em>qui ont d\u00e9crit un rendement capillaire sup\u00e9rieur de 15 % en densit\u00e9 d&rsquo;unit\u00e9s folliculaires dans les zones pr\u00e9trait\u00e9es avec du PRP par rapport aux contr\u00f4les (10).<\/strong><\/p><p style=\"padding-left: 40px;\"><strong><em>L&rsquo;\u00e9tude de Kang et al.<\/em> \u00e9tait une \u00e9tude prospective contr\u00f4l\u00e9e sur 26 patients trait\u00e9s avec 2 sessions d&rsquo;injections de PRP \u00e0 un intervalle de 3 mois ou avec des injections hebdomadaires d&rsquo;extrait placentaire. La densit\u00e9 des cheveux a \u00e9t\u00e9 \u00e9valu\u00e9e par phototrichogramme et les r\u00e9sultats ont montr\u00e9 une augmentation moyenne de 29,2 % de la densit\u00e9 des cheveux dans le groupe PRP (P &lt; 0,0001). (11)<\/strong><\/p><p><strong><span style=\"color: #0000ff;\">\u00c0 la question y a-t-il un ralentissement de la chute des cheveux ? La r\u00e9ponse est OUI.<\/span><\/strong><\/p><p><strong>La perte de cheveux a \u00e9t\u00e9 \u00e9valu\u00e9e dans des \u00e9tudes par le test de traction qui s&rsquo;est r\u00e9v\u00e9l\u00e9 n\u00e9gatif chez plus de 95% des patients.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong><em>L&rsquo;\u00e9tude de Singhal et al (12)<\/em> \u00e9tait une \u00e9tude prospective contr\u00f4l\u00e9e sur 20 patients trait\u00e9s par 4 sessions d&rsquo;injections de PRP \u00e0 un intervalle de 2 semaines. Le r\u00e9sultat du test de traction \u00e9tait n\u00e9gatif pour tous les patients apr\u00e8s avoir re\u00e7u 4 s\u00e9ances d&rsquo;injections de PRP.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong><em>L&rsquo;\u00e9tude de Gkini et al. (13<\/em>) \u00e9tait une \u00e9tude prospective non contr\u00f4l\u00e9e portant sur 20 patients trait\u00e9s par 3 s\u00e9ances d&rsquo;injections de PRP \u00e0 un intervalle de 3 semaines et une derni\u00e8re s\u00e9ance 6 mois apr\u00e8s.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Le r\u00e9sultat du test de traction \u00e9tait n\u00e9gatif chez tous les patients apr\u00e8s la premi\u00e8re des 3 s\u00e9ances d&rsquo;injections et est redevenu positif 3 mois apr\u00e8s la derni\u00e8re s\u00e9ance d&rsquo;injection de PRP.<\/strong><\/p><p><strong><span style=\"color: #0000ff;\">\u00c0 la question y a-t-il une augmentation de l&rsquo;\u00e9paisseur des cheveux ? La r\u00e9ponse est OUI.<\/span><\/strong><\/p><p><strong>L&rsquo;\u00e9paisseur des cheveux a \u00e9t\u00e9 mesur\u00e9e objectivement dans 2 \u00e9tudes.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong><em>Dans l&rsquo;\u00e9tude de Kang et al (11)<\/em> , le diam\u00e8tre des cheveux a augment\u00e9 en moyenne de 31,3% (P &lt; 0,0001) 3 mois apr\u00e8s la premi\u00e8re session d&rsquo;injection et de 46,4% (P &lt; 0,0001) 3 mois apr\u00e8s la seconde session d&rsquo;injection.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong><em>Dans l&rsquo;\u00e9tude de Sclafani (14),<\/em> le \u00a0\u00bbHair density index\u00a0\u00bb (15) (compos\u00e9 de la densit\u00e9 et de l&rsquo;\u00e9paisseur des cheveux). Une partie de l&rsquo;augmentation de cet indice jusqu&rsquo;\u00e0 106,4% \u00e9tait due \u00e0 l&rsquo;augmentation du diam\u00e8tre des cheveux.<\/strong><\/p><p><strong><span style=\"color: #0000ff;\">\u00c0 la question y a-t-il cr\u00e9ation de nouveaux follicules ? La r\u00e9ponse est non. Le PRP ne remplace pas la greffe capillaire. <\/span><\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Les facteurs de croissance du PRP agissent sur les cellules souches pr\u00e9sentes dans la zone du bulge des follicules, ce qui entra\u00eene une n\u00e9ovascularisation et une n\u00e9ofolliculogen\u00e8se (16-17). Ils peuvent am\u00e9liorer la prise des greffes mais le PRP ne peut pas cr\u00e9er de nouveau follicules sur une peau glabre.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Il n\u2019est pas rare de voir de nouveaux cheveux pouss\u00e9s dans une zone trait\u00e9e mais d\u00e9j\u00e0 fournie en bulbe capillaire. Donc, nous pr\u00e9f\u00e9rons dire que le PRP ne permet pas la cr\u00e9ation de nouveaux cheveux.<\/strong><\/p><p><strong><span style=\"color: #0000ff;\">\u00c0 la question y a-t-il des effets secondaires\u00a0? La r\u00e9ponse est\u00a0: ces effets sont minimes \u00e0 inexistants.<\/span><\/strong><\/p><p style=\"padding-left: 40px;\"><strong>La proc\u00e9dure PRP est une intervention relativement efficace et s\u00fbre avec des effets ind\u00e9sirables minimes, notamment une douleur temporaire et tol\u00e9rable pendant le traitement, des maux de t\u00eate l\u00e9gers qui peuvent r\u00e9gresser avec l&rsquo;ac\u00e9taminoph\u00e8ne, des d\u00e9mangeaisons minimes, un \u00e9ryth\u00e8me et un \u0153d\u00e8me transitoires et une desquamation.\u00a0<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>\u00c0 ce jour, il n&rsquo;y a aucun de ces effets n\u2019a \u00e9t\u00e9 rapport\u00e9\u00a0: infections, folliculite, de panniculite, d&rsquo;h\u00e9matome ou de formation de s\u00e9rome (19).<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Les contre-indications \u00e0 la proc\u00e9dure PRP comprennent un dysfonctionnement plaquettaire, une thrombocytop\u00e9nie, des troubles de la coagulation, un traitement anticoagulant, une h\u00e9patite, une instabilit\u00e9 h\u00e9modynamique, une infection locale au site de pr\u00e9l\u00e8vement sanguin ou d&rsquo;injection de PRP, et les patients sujets \u00e0 la formation de ch\u00e9lo\u00efdes<\/strong><\/p><p style=\"padding-left: 40px;\">\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-66f4017 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"66f4017\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ffa98fb\" data-id=\"ffa98fb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-85bd1a3 elementor-widget elementor-widget-text-editor\" data-id=\"85bd1a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #0000ff;\"><strong>Notre Protocole\u00a0<\/strong><\/span><\/p><p style=\"padding-left: 40px;\"><strong>Nous recommandons le PRP comme traitement adjuvant de l&rsquo;alop\u00e9cie androg\u00e9n\u00e9tique et encourageons les patients \u00e0 poursuivre les traitements topiques et\/ou oraux (par exemple\u00a0: minoxidil, spironolactone et finast\u00e9ride), parce que le PRP ne supprime pas la composante hormonale de l&rsquo;alop\u00e9cie androg\u00e9n\u00e9tique.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Trois s\u00e9ances \u00e0 1 mois d\u2019intervalle\u00a0en traitement d\u2019attaque puis 2 s\u00e9ances par an \u00e0 vie. <\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Le PRP peut \u00e9galement \u00eatre utilis\u00e9 pendant et apr\u00e8s greffe capillaire pour am\u00e9liorer le rendement de la prise de greffe et maintenir la survie des greffons.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>L&rsquo;administration du PRP\u00a0: Injection intradermique (0.1mL\/cm<sup>2<\/sup>). Par m\u00e9soth\u00e9rapie \u00e0 l\u2019aide d\u2019un pistolet injecteur (Figure 3).<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Des \u00e9tudes recommandent une injection sous forme de bolus subdermiques car cette technique est moins douloureuse et globalement plus efficace.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Les injections de bolus sous-cutan\u00e9s permettent la diffusion du PRP et entra\u00eenent moins d&rsquo;injections. Les injections doivent \u00eatre espac\u00e9es dans la zone d&rsquo;\u00e9claircissement, qui se trouvent g\u00e9n\u00e9ralement le long de la ligne des cheveux, de la partie, du vertex et de la couronne du cuir chevelu.<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Injections selon la technique du nappage (plusieurs petites injections en ligne \u00e0 1 cm d&rsquo;intervalle).<\/strong><\/p><p style=\"padding-left: 40px;\"><strong>Volumes du PRP inject\u00e9s. Le volume de PRP varie consid\u00e9rablement entre les \u00e9tudes entre 6 et 20 ml.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02c2b6d elementor-widget elementor-widget-image\" data-id=\"02c2b6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"364\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.07.33-1024x466.png\" class=\"attachment-large size-large wp-image-10470\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.07.33-1024x466.png 1024w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.07.33-300x136.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.07.33-768x349.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.07.33-18x8.png 18w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2021-12-18-a\u0300-18.07.33.png 1354w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 3. M\u00e9soth\u00e9rapie du cuir chevelu par injection du PRP \u00e0 l\u2019aide d\u2019un pistolet injecteur (B. Hersant).<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-71ecc39 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"71ecc39\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bc4eb94\" data-id=\"bc4eb94\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-eea44e4 elementor-widget elementor-widget-text-editor\" data-id=\"eea44e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #993366;\"><strong>R\u00e9f\u00e9rences<\/strong><\/span><\/p><ol><li><span style=\"color: #993366;\">Phillips TG, Slomiany WP, Allison R. Hair Loss: Common Causes and Treatment. Am Fam Physician. 2017 Sep 15;96(6):371-378. PMID: 28925637.<\/span><\/li><li><span style=\"color: #993366;\">Marx RE. Platelet-rich plasma (PRP): what is PRP and what is not PRP? Implant Dent. 2001; 10:225\u2013228.<\/span><\/li><li><span style=\"color: #993366;\">Everts PA, Knape JT, Weibrich G, Sch\u00f6nberger JP, Hoffmann J, Overdevest EP, Box HA, van Zundert A. Platelet-rich plasma and platelet gel: a review. J Extra Corpor Technol. 2006; 38:174\u2013187.<\/span><\/li><li><span style=\"color: #993366;\">Eppley BL, Woodell JE, Higgins J. Platelet quantification and growth factor analysis from platelet-rich plasma: implications for wound healing. Plastic Reconstruct Surg. 2004; 114:1502\u20131508.<\/span><\/li><li><span style=\"color: #993366;\">Engebretsen L, Steffen K, Alsousou J, Anitua E, Bachl N, Devilee R, Everts P, Hamilton B, Huard J, Jenoure P, Kelberine F, Kon E, Maffulli N, Matheson G, Mei-Dan O, Menetrey J, Philippon M, Randelli P, Schamasch P, Schwellnus M, Vernec A, Verrall G. IOC consensus paper on the use of platelet-rich plasma in sports medicine. Br J Sports Med. 2010; 44:1072\u2013<\/span><\/li><li><span style=\"color: #993366;\">Alves, Rubina; Grimalt, Ramon (2018).\u00a0A Review of Platelet-Rich Plasma: History, Biology, Mechanism of Action, and Classification. Skin Appendage Disorders, (), 18\u201324.\u00a0doi:10.1159\/000477353\u00a0<\/span><\/li><li><span style=\"color: #993366;\">Picard F, Hersant B, Niddam J, Meningaud JP. Injections of platelet-rich plasma for androgenic alopecia: A systematic review. J Stomatol Oral Maxillofac Surg. 2017 Oct;118(5):291-297. doi: 10.1016\/j.jormas.2017.06.011. Epub 2017 Jul 1. PMID: 28676455.<\/span><\/li><li><span style=\"color: #993366;\">Gentile P, Garcovich S, Bielli A, Scioli MG, Orlandi A, Cervelli V. The effect of 443 platelet-rich plasma in hair regrowth: a randomized placebo-controlled trial. 444 Stem Cells Transl Med 2015;4(11):1317\u201323. 445 [34]<\/span><\/li><li><span style=\"color: #993366;\">Alves R, Grimalt R. Randomized placebo-controlled, double-blind, half-head 446 study to assess the efficacy of platelet-rich plasma on the treatment of 447 androgenetic alopecia. Dermatol Surg 2016;42(4):491\u20137<\/span><\/li><li><span style=\"color: #993366;\">Uebel CO, da Silva JB, Cantarelli D, et al. The role of platelet plasma growth factors in male pattern baldness surgery. Plast Reconstr Surg 2006;118(6): 1458\u201366<\/span><\/li><li><span style=\"color: #993366;\">Kang J-S, Zheng Z, Choi MJ, Lee S-H, Kim D-Y, Cho SB. The effect of CD34+ cell- 463 containing autologous platelet-rich plasma injection on pattern hair loss: a 464 preliminary study. J Eur Acad Dermatol Venereol 2014;28(1):72\u20139.<\/span><\/li><li><span style=\"color: #993366;\">Singhal P, Agarwal S, Dhot PS, Sayal SK. Efficacy of platelet-rich plasma in 457 treatments of androgenic alopecia. Asian J Transfus Sci 2015;9(2):159\u201362.<\/span><\/li><li><span style=\"color: #993366;\">Gkini M-A, Kouskoukis A-E, Tripsianis G, Rigopoulos D, Kouskoukis K. Study of 468 platelet-rich plasma injections in the treatment of androgenetic alopecia 469 through an one-year period. J Cutan Aesthet Surg 2014;7(4):213\u20139<\/span><\/li><li><span style=\"color: #993366;\">Sclafani AP. Platelet-rich fibrin matrix (PRFM) for androgenetic alopecia. Facial 474 Plast Surg 2014;30(2):219\u201324.<\/span><\/li><li><span style=\"color: #993366;\">Cohen B. The cross-section trichometer: a new device for measuring hair 393 quantity, hair loss, and hair growth. Dermatol Surg 2008;34(7):900\u201311.<\/span><\/li><li><span style=\"color: #993366;\">Li ZJ, Choi HI, Choi DK, Sohn KC, Im M, Seo YJ, et al. Autologous platelet-rich plasma: A potential therapeutic tool for promoting hair growth.\u00a0Dermatol Surg.\u00a02012;38:1040\u20136.\u00a0<\/span><\/li><li><span style=\"color: #993366;\">Takikawa M, Nakamura S, Nakamura S, Ishirara M, Kishimoto S, Sasaki K, et al. Enhanced effect of platelet-rich plasma containing a new carrier on hair growth.\u00a0Dermatol Surg.\u00a02011; 37:1721\u20139.<\/span><\/li><li><span style=\"color: #993366;\">Gupta, S.; Revathi, T.; Sacchidanand, S.; Nataraj, H. A study of the efficacy of platelet-rich plasma in the treatment of androgenetic alopecia in males.\u00a0Indian J. Dermatol. Venereol. Leprol.\u00a0<strong>2017<\/strong>,\u00a083, 412.<\/span><\/li><li><span style=\"color: #993366;\">Badran KW, Sand JP. Platelet-Rich Plasma for Hair Loss: Review of Methods and Results. Facial Plast Surg Clin North Am. 2018 Nov;26(4):469-485. doi: 10.1016\/j.fsc.2018.06.008. Epub 2018 Aug 16. PMID: 30213428.<\/span><\/li><li><span style=\"color: #993366;\">Gentile P, Garcovich S. Systematic Review of Platelet-Rich Plasma Use in Androgenetic Alopecia Compared with Minoxidil<sup>\u00ae<\/sup>, Finasteride<sup>\u00ae<\/sup>, and Adult Stem Cell-Based Therapy. Int J Mol Sci. 2020 Apr 13;21(8):2702. doi: 10.3390\/ijms21082702. PMID: 32295047; PMCID: PMC7216252.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-811c0ec elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"811c0ec\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-43da098\" data-id=\"43da098\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f307fd6 elementor-widget elementor-widget-image\" data-id=\"f307fd6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"726\" height=\"1024\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.24.32-726x1024.png\" class=\"attachment-large size-large wp-image-10939\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.24.32-726x1024.png 726w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.24.32-213x300.png 213w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.24.32-768x1083.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.24.32-1089x1536.png 1089w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.24.32-1453x2048.png 1453w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.24.32-9x12.png 9w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2021\/12\/Capture-de\u0301cran-2022-01-20-a\u0300-10.24.32.png 1362w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-16845e1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"16845e1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cd4f44c\" data-id=\"cd4f44c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Tout ce que vous voulez savoir Le Plasma Riche en Plaquettes (PRP),\u00a0 un traitement adjuvant de l\u2019alop\u00e9cie. Pr Barbara Hersant Chirurgie Plastique, H\u00f4pital Henri Mondor, APHP Directrice scientifique du congr\u00e8s AIME Les 3 causes principales d\u2019alop\u00e9cie sont: l\u2019alop\u00e9cie androg\u00e9nique, l\u2019effluvium t\u00e9log\u00e8ne et la pelade (1). Devant toute alop\u00e9cie, un bilan m\u00e9dical est primordial et permettra [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":10894,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[174],"tags":[280,278],"auteur":[390],"mots-cles":[],"class_list":["post-10409","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tout-ce-que-vous-voulez-savoir","tag-lm2","tag-lm2-theme-tout-savoir","auteur-barbara-hersant"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LM N\u00b0 2\/ 2021. Tout ce que vous voulez savoir.Le Plasma Riche en Plaquettes (PRP), un traitement adjuvant de l\u2019alop\u00e9cie. Pr Barbara Hersant. Chirurgie Plastique H\u00f4pital Henri Mondor, APHP. 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