{"id":20244,"date":"2024-05-26T17:59:15","date_gmt":"2024-05-26T15:59:15","guid":{"rendered":"https:\/\/looketmedecine.fr\/?p=20244"},"modified":"2024-10-05T23:40:46","modified_gmt":"2024-10-05T21:40:46","slug":"plasma-riche-en-plaquettes-et-gonarthrose-symptomatique-synthese-des-recommandations-internationales","status":"publish","type":"post","link":"https:\/\/looketmedecine.fr\/en\/plasma-riche-en-plaquettes-et-gonarthrose-symptomatique-synthese-des-recommandations-internationales\/","title":{"rendered":"LM N\u00b01\/ 2024. PLATELET-RICH PLASMA AND SYMPTOMATIC GONARTHROSIS.                      SUMMARY OF INTERNATIONAL RECOMMENDATIONS. M.Delcros"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"20244\" class=\"elementor elementor-20244\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-38d0338c e-flex e-con-boxed e-con e-parent\" data-id=\"38d0338c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e706c2 elementor-widget elementor-widget-image\" data-id=\"2e706c2\" 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=\"171\" height=\"300\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-05-26-a-17.55.30-e1716740105155-171x300.png\" class=\"attachment-medium size-medium wp-image-20245\" alt=\"Injection genou\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-05-26-a-17.55.30-e1716740105155-171x300.png 171w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-05-26-a-17.55.30-e1716740105155-7x12.png 7w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-05-26-a-17.55.30-e1716740105155.png 432w\" sizes=\"(max-width: 171px) 100vw, 171px\" \/>\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-b846eb1 elementor-widget elementor-widget-heading\" data-id=\"b846eb1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">PLASMA RICHE EN PLAQUETTES ET GONARTHROSE SYMPTOMATIQUE. SYNTH\u00c8SE DES RECOMMANDATIONS INTERNATIONALES.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d1bf90a elementor-widget elementor-widget-heading\" data-id=\"d1bf90a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00a0Marine DELCROS, MD.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73c6885 elementor-widget elementor-widget-image\" data-id=\"73c6885\" 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=\"800\" height=\"320\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-06-08-a-17.59.45-1024x409.png\" class=\"attachment-large size-large wp-image-21322\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-06-08-a-17.59.45-1024x409.png 1024w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-06-08-a-17.59.45-300x120.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-06-08-a-17.59.45-768x306.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-06-08-a-17.59.45-1536x613.png 1536w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-06-08-a-17.59.45-18x7.png 18w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-06-08-a-17.59.45.png 1584w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-e9ddec9 elementor-widget elementor-widget-text-editor\" data-id=\"e9ddec9\" 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<h4 style=\"text-align: center;\"><strong><em>Les 4 grades de la gonarthrose selon Kellgren &amp; Lawrence<\/em><\/strong><\/h4>\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-fb274c7 elementor-widget elementor-widget-text-editor\" data-id=\"fb274c7\" 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<h4><strong>INTRODUCTION<\/strong><\/h4><p><strong>L\u2019int\u00e9r\u00eat pour le plasma riche en plaquettes (PRP) autologue a \u00e9merg\u00e9 dans les ann\u00e9es 70 avec la d\u00e9couverte de la lib\u00e9ration de facteurs de croissance par les plaquettes [<a href=\"#_bookmark0\">1<\/a>].<\/strong><\/p><ul><li><strong>Cette nouvelle option th\u00e9rapeutique autologue, a fait \u00e9voluer le champ des possibles pour les pathologies de l\u2019appareil locomoteur (pathologies cartilagineuses et tendinopathies majoritairement).<\/strong><\/li><li><strong>De nos jours, l\u2019efficacit\u00e9 du plasma riche en plaquettes n\u2019est plus \u00e0 d\u00e9montrer, mais son mode d\u2019utilisation fait d\u00e9bat, en termes de variabilit\u00e9 de pr\u00e9paration, d\u2019indications et de protocoles d\u2019application.<\/strong><\/li><li><strong>La pratique d\u2019utilisation de ce produit biologique demande \u00e0 \u00eatre protocolis\u00e9e, avec de forts niveaux de preuves, l\u2019exp\u00e9rience clinique seule n\u2019\u00e9tant pas suffisante [<a href=\"#_bookmark1\">2<\/a>].<\/strong><\/li><\/ul><p><strong>L\u2019arthrose est la pathologie articulaire chronique la plus commun\u00e9ment r\u00e9pandue, ce \u00ab mal du si\u00e8cle \u00bb affectant des millions d\u2019individus dans le monde entier [<a href=\"#_bookmark2\">3<\/a>]. Son \u00e9tude sur le genou est la plus rapport\u00e9e.<\/strong><\/p><ul><li><strong>Qu\u2019en est-il de la place du plasma riche en plaquettes dans l\u2019arsenal th\u00e9rapeutique de la gonarthrose symptomatique ?<\/strong><\/li><li><strong>Le but de cet article est de r\u00e9aliser une synth\u00e8se des recommandations des soci\u00e9t\u00e9s savantes internationales qui s\u2019attellent \u00e0 r\u00e9diger des guidelines les plus standardis\u00e9es et objectives possibles, dans une d\u00e9marche d\u2019Evidence Based Practice.<\/strong><ul><li><strong>ESSKA (The European Society of Sports Traumatology, Knee Surgery and Arthroscopy) [<a href=\"#_bookmark3\">4<\/a>]<\/strong><\/li><li><strong>GRIIP (Groupe de Recherche Internationale sur les Injections de Plaquettes) [<a href=\"#_bookmark4\">5<\/a>]<\/strong><\/li><li><strong>SIOT (Italian Society of Orthopaedics and Traumatology) [<a href=\"#_bookmark5\">6<\/a>]<\/strong><\/li><li><strong>GOTS (German Society of Orthopaedics and Traumatology) [<a href=\"#_bookmark6\">7<\/a>]<\/strong><\/li><li><strong>NICE (National Institute for Health and Care Excellence) [<a href=\"#_bookmark1\">2<\/a>]<\/strong><\/li><\/ul><\/li><\/ul>\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-993d489 elementor-widget elementor-widget-gallery\" data-id=\"993d489\" data-element_type=\"widget\" data-e-type=\"widget\" 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class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>L\u2019efficacit\u00e9 clinique du PRP dans la gonarthrose a \u00e9t\u00e9 \u00e9valu\u00e9e dans de nombreuses \u00e9tudes contr\u00f4l\u00e9es, contre placebo (solution saline), et contre les th\u00e9rapeutiques infiltratives g\u00e9n\u00e9ralement utilis\u00e9es (acide hyaluronique, corticost\u00e9ro\u00efdes), en basant les r\u00e9sultats sur des crit\u00e8res :<\/strong><\/p><ul><li><strong>de douleur,<\/strong><\/li><li><strong>de fonction,<\/strong><\/li><li><strong>de qualit\u00e9 de vie,<\/strong><ul><li><strong>avec les indices de VAS (Visual Analogic Scale),<\/strong><\/li><li><strong>de WOMAC (Western Ontario and McMaster Universities Arthritis Index),<\/strong><\/li><li><strong>IKDC (The International Knee Documentation Committee)<\/strong><\/li><li><strong>et KOOS (Knee Injury and Osteoarthritis Outcome Score).<\/strong><\/li><\/ul><\/li><\/ul><p><strong>Les indications \u00e0 infiltrer du PRP se centrent sur les gonarthroses de stades minime \u00e0 mod\u00e9r\u00e9 (\u2264 aux stades III), selon la classification de Kellgren &amp; Lawrence.<\/strong><\/p><p><strong>Bien que les r\u00e9sultats attendus restent faibles, le PRP reste indiqu\u00e9 dans la gonarthrose s\u00e9v\u00e8re stade IV pour les patients porteurs de comorbidit\u00e9s contre-indiquant la chirurgie ou souhaitant reculer au maximum le geste chirurgical.<\/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-3a114ff elementor-widget elementor-widget-text-editor\" data-id=\"3a114ff\" 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>L\u2019ensemble des experts s\u2019accordent quant aux axes des traitements conservateurs:<\/strong><\/p><ul><li><strong>en premi\u00e8re intention demeurent l\u2019activit\u00e9 physique,<\/strong><\/li><li><strong>la perte de poids,<\/strong><\/li><li><strong>la r\u00e9\u00e9ducation,<\/strong><\/li><li><strong>associ\u00e9s aux traitement <em>per os <\/em>:<\/strong><ul><li><strong>chondro\u00eftine ou glucosamine en prise chronique,<\/strong><\/li><li><strong>anti-inflammatoires non st\u00e9ro\u00efdiens (AINS) de fa\u00e7on ponctuelle en cas de<\/strong><\/li><li><strong>Selon ces recommandations, le PRP rentre en seconde ligne, en cas d\u2019\u00e9chec de la viscosuppl\u00e9mentation.<\/strong><\/li><li><strong>Les corticost\u00e9ro\u00efdes (CTS) limit\u00e9s \u00e0 3 injections par an, sont r\u00e9serv\u00e9s aux crises s\u00e9v\u00e8res aigu\u00ebs.<\/strong><\/li><\/ul><\/li><\/ul><p><strong>En effet, la toxicit\u00e9 chondrale des corticost\u00e9ro\u00efdes, associ\u00e9e \u00e0 une acc\u00e9l\u00e9ration de la d\u00e9gradation cartilagineuse et leur effet limit\u00e9 dans le temps font r\u00e9server les CTS aux r\u00e9currences d\u2019\u00e9pisodes congestifs et aux crises douloureuses.<\/strong><\/p><ul><li><strong>Le PRP montre un effet b\u00e9n\u00e9fique sur plus long terme, avec moins d\u2019effets ind\u00e9sirables associ\u00e9s.<\/strong><\/li><\/ul><p><strong>En parall\u00e8le, de nombreuses m\u00e9ta-analyses objectivent une am\u00e9lioration clinique du PRP, associ\u00e9 \u00e0 un effet \u00e0 plus long terme, compar\u00e9 aux infiltrations d\u2019acide hyaluronique (AH).<\/strong><\/p><p><strong>Il s\u2019agit alors de porter une attention particuli\u00e8re aux formules d\u2019AH impliqu\u00e9es :<\/strong><\/p><ul><li><strong>les formules de bas poids mol\u00e9culaire \u00e9tant r\u00e9serv\u00e9es aux stades l\u00e9gers de<\/strong><\/li><li><strong>tandis que les formules de haut poids mol\u00e9culaire s\u2019av\u00e8rent plus efficaces sur les stades avanc\u00e9s.<\/strong><\/li><\/ul><p><strong>L\u2019association PRP-AH aurait tout son int\u00e9r\u00eat, en potentialisant les effets de chacun.<\/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-baddd69 elementor-widget elementor-widget-image\" data-id=\"baddd69\" 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=\"372\" height=\"808\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-06-08-a-18.06.51.png\" class=\"attachment-large size-large wp-image-21337\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-06-08-a-18.06.51.png 372w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-06-08-a-18.06.51-138x300.png 138w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2024\/05\/Capture-decran-2024-06-08-a-18.06.51-6x12.png 6w\" sizes=\"(max-width: 372px) 100vw, 372px\" \/>\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-b26f54e elementor-widget elementor-widget-text-editor\" data-id=\"b26f54e\" 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><em>Les tubes Cellular Matrix<\/em><em>\u00ae <\/em><em>permettent la pr\u00e9paration de plasma riche en plaquettes autologue (RegenPRP<\/em><em>\u00ae<\/em><em>) associ\u00e9 \u00e0 un Acide Hyaluronique non r\u00e9ticul\u00e9 (AH) dans un syst\u00e8me en circuit ferm\u00e9.<\/em><\/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-6f10a01 elementor-widget elementor-widget-text-editor\" data-id=\"6f10a01\" 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<h4><strong>Toutes les soci\u00e9t\u00e9s savantes s\u2019accordent \u00e0 contre indiquer l\u2019utilisation conjointe du PRP \u00e0 un anesth\u00e9siant ou \u00e0 un CTS, afin d\u2019\u00e9viter de potentielles interactions n\u00e9gatives, du fait de leur toxicit\u00e9 plaquettaire in vitro <\/strong>[<a href=\"#_bookmark7\">8<\/a>].<\/h4><p><strong>La standardisation des protocoles d\u2019application du PRP est essentielle : concernant le nombre d\u2019infiltrations recommand\u00e9es, la majorit\u00e9 des articles rapportent une sup\u00e9riorit\u00e9 des injections multiples (2 \u00e0 3 fois) plut\u00f4t qu\u2019en injection unique [<a href=\"#_bookmark8\">9<\/a>], les grades de gonarthrose les plus faibles rapportant plus de r\u00e9ponse avec peu d\u2019infiltrations [<a href=\"#_bookmark3\">4<\/a>].<\/strong><\/p><p><strong>Un intervalle de 3 semaines entre 2 gestes doit \u00eatre respect\u00e9 [<a href=\"#_bookmark3\">4<\/a>], correspondant \u00e0 la principale p\u00e9riode d\u2019activit\u00e9 et de lib\u00e9ration des facteurs des croissance.<\/strong><\/p><h4><strong>Il para\u00eet \u00e9vident que la r\u00e9alisation du geste infiltratif sous contr\u00f4le \u00e9chographique ou fluoroscopique soit \u00e0 privil\u00e9gier <\/strong>[<a href=\"#_bookmark5\">6<\/a>]<strong>. Sans \u00e9cho-guidage, l\u2019infiltration intra-articulaire par voie lat\u00e9rale est la plus recommand\u00e9e<\/strong><\/h4>\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-acd2f02 elementor-widget elementor-widget-text-editor\" data-id=\"acd2f02\" 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<h4><strong><span style=\"color: #000000;\">Les\u00a0\u00a0\u00a0 m\u00e9canismes\u00a0\u00a0\u00a0 physiopathologiques\u00a0 du PRP sont complexes et multifactoriels. Ils impliquent plusieurs acteurs biologiques<\/span> :<\/strong><\/h4><ul><li><h4><span style=\"color: #000000;\">des enzymes,<\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">des prot\u00e9ines :<\/span><\/h4><ul><li><h4><span style=\"color: #000000;\">albumines, globulines,<\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">facteurs de coagulation,<\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">fibrinog\u00e8ne,<\/span><\/h4><\/li><\/ul><\/li><li><h4>des cytokines pro et anti-inflammatoires qui agissent dans l\u2019activation plaquettaire,<\/h4><\/li><li><h4>des facteurs de croissance en nombre et en type diff\u00e9rents, induisant d\u00e8s lors des processus de migration, de prolif\u00e9ration et de diff\u00e9renciation cellulaire.<\/h4><\/li><li><h4>Le fibrinog\u00e8ne plasmatique, une fois converti en fibrine, sert de support pour cette migration cellulaire et reconstruction tissulaire.<\/h4><\/li><\/ul><p><span style=\"color: #000000;\"><strong>Il n\u2019y a pas de consensus sur la formulation exacte du PRP.<\/strong><\/span><\/p><ul><li>La variabilit\u00e9 inter-individuelle de composition du PRP est difficilement contr\u00f4lable. Les plaquettes sont au centre du processus physiopathologique et jouent un r\u00f4le certain dans les effets th\u00e9rapeutiques, mais aucune corr\u00e9lation claire n\u2019a \u00e9t\u00e9 \u00e9tablie entre leur nombre et les r\u00e9sultats cliniques.<\/li><li>Il n\u2019y a pas lieu de se focaliser sur un taux minimum de plaquettes, du moment que la num\u00e9ration formule sanguine du patient se situe dans la normale.<\/li><li>Il s\u2019agit surtout de se focaliser sur la mani\u00e8re de produire le PRP [<a href=\"#_bookmark1\">2<\/a>] :<ul><li>standardiser les proc\u00e9der de centrifugations,<\/li><li>de manipulation des produits\u2026<\/li><li>afin d\u2019assurer un produit avec des plaquettes vivantes et<\/li><\/ul><\/li><\/ul><p><span style=\"color: #000000;\"><strong>De m\u00eame, la tendance actuelle est aux gros volumes de PRP inject\u00e9s : cela reste int\u00e9ressant dans le cadre d\u2019infiltrations multiples lors d\u2019 une m\u00eame consultation.<\/strong><\/span><\/p><p><strong>N\u00e9anmoins, d\u2019un point de vue quantitatif, l\u2019int\u00e9r\u00eat semble restreint,<\/strong> puisque la liaison d\u2019un facteur de croissance \u00e0 son r\u00e9cepteur sur la membrane cellulaire d\u00e9clenche une et une seule r\u00e9ponse cellulaire \u00e0 la fois (migration, prolif\u00e9ration, diff\u00e9renciation, production de prot\u00e9ines\u2026).<\/p><p><strong>Or l\u2019augmentation de la concentration en plaquettes ou en facteurs de croissance n\u2019a pas plus d\u2019effet [<a href=\"#_bookmark9\">10<\/a>].<\/strong> En outre, les facteurs de croissance une fois s\u00e9cr\u00e9t\u00e9s ont une demi-vie courte : le surplus est superflu.<\/p><p><strong>D\u2019un point de vue qualitatif, le PRP se diff\u00e9rencie des solutions de facteurs de croissance purifi\u00e9es, car les plaquettes s\u00e9cr\u00e8tent les facteurs de croissance de mani\u00e8re contr\u00f4l\u00e9e et orchestr\u00e9e tout au long du processus r\u00e9g\u00e9n\u00e9ratif [<a href=\"#_bookmark10\">11<\/a>].<\/strong><\/p><p><span style=\"color: #0000ff;\"><strong><em>Quid de la concentration leucocytaire ?<\/em><\/strong><\/span><\/p><p><strong>Rappelons que l\u2019arthrose se caract\u00e9rise par une d\u00e9gradation progressive de la matrice extracellulaire du cartilage et par une inflammation de faible intensit\u00e9 de la membrane synoviale.<\/strong><\/p><p><strong>La corr\u00e9lation de l\u2019effet du PRP et du seul taux de leucocytes est surestim\u00e9e puisque d\u2019autres facteurs sont impliqu\u00e9s.<\/strong><\/p><p><strong>Aucune des options n\u2019est pr\u00e9pond\u00e9rante, chacune apportant des avantages selon les indications :<\/strong><\/p><ul><li><strong>le LR-PRP (PRP riche en leucocytes) serait utile pour les tendinopathies [<a href=\"#_bookmark11\">12<\/a>],<\/strong><\/li><li><strong>tandis qu\u2019on privil\u00e9giera un LP-PRP (PRP pauvre en leucocytes) pour la gonarthrose [<a href=\"#_bookmark12\">13<\/a>].<\/strong><\/li><\/ul><p><strong>Nous ne sommes pas au bout de nos d\u00e9couvertes : une \u00e9quipe de chercheurs de Cr\u00e9teil a d\u00e9montr\u00e9 r\u00e9cemment que le PRP contient des glycosaminoglycanes (GAG), ces derni\u00e8res pr\u00e9sentant des diff\u00e9rences significatives en termes de concentration, de propri\u00e9t\u00e9s structurelles et fonctionnelles, entre le PRP d\u2019un patient sain et le PRP d\u2019un patient atteint de gonarthrose.<\/strong><\/p><p><strong>L\u2019effet th\u00e9rapeutique du PRP pourrait \u00eatre m\u00e9di\u00e9 par sa composition en glycosaminoglycanes et leurs interactions avec les facteurs de croissance, dont la plupart sont des prot\u00e9ines de liaison \u00e0 l\u2019h\u00e9parine (HBP), impliquant des r\u00e9percussions sur le ph\u00e9notype des chondrocytes et des synoviocytes [<a href=\"#_bookmark13\">14<\/a>].\u00a0Il a \u00e9galement \u00e9t\u00e9 d\u00e9montr\u00e9 dans une \u00e9tude clinique, que 3 injections de LP-PRP modifient positiveme<span style=\"color: var( --e-global-color-text ); text-align: var(--text-align); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'; font-size: 1rem;\">nt la composition du liquide synovial [<\/span><a style=\"font-weight: var( --e-global-typography-text-font-weight ); text-align: var(--text-align); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'; font-size: 1rem;\" href=\"#_bookmark14\">15<\/a><span style=\"color: var( --e-global-color-text ); text-align: var(--text-align); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'; font-size: 1rem;\">].<\/span><\/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-cf4c2e7 elementor-widget elementor-widget-text-editor\" data-id=\"cf4c2e7\" 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<h4><span style=\"color: #008000;\"><strong>La m\u00e9decine est en constante \u00e9volution, emportant avec elle son lot d\u2019interrogations et de remise en question. <\/strong><\/span><\/h4><h4><span style=\"color: #008000;\"><strong>Il s\u2019agit d\u2019am\u00e9liorer ces recommandations pour une utilisation reconnue toujours plus standardis\u00e9e et harmonis\u00e9e du PRP, en se concentrant sur les m\u00e9thodes de pr\u00e9paration et les protocoles d\u2019application. <\/strong><\/span><\/h4><h4><span style=\"color: #008000;\"><strong>Un plasma riche en plaquettes, certes. Riche de possibilit\u00e9s et de promesses, assur\u00e9ment.<\/strong><\/span><\/h4>\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-f1e26bb elementor-widget elementor-widget-text-editor\" data-id=\"f1e26bb\" 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>R\u00c9F\u00c9RENCES<\/strong><\/span><\/p><ol><li><span style=\"color: #800080;\"><strong>Ross R, Glomset J, Kariya B, Harker L. A platelet-dependent serum factor that stimulates the proliferation of arterial smooth muscle cells in vitro. Proc Natl Acad Sci U S A. 1974;71(4):1207-10.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Platelet-rich plasma injections for knee osteoarthritis; Interventional procedures guidance [IPG637]. 2019.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Fusco M, Skaper SD, Coaccioli S, Varrassi G, Paladini A. Degenerative Joint Diseases and Neuroinflammation. Pain practice : the official journal of World Institute of Pain. 2017;17(4):522-32.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Use of injectable orthobiologics for the treatment of knee osteoarthritis Part 1: blood-derived products (alias PRP). 2022.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Eymard F, Ornetti P, Maillet J, Noel E, Adam P, Legre-Boyer V, et al. Intra-articular injections of platelet-rich plasma in symptomatic knee osteoarthritis: a consensus statement from French-speaking experts. Knee Surg Sports Traumatol 2021;29(10):3195-210.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Pesare E, Vicenti G, Kon E, Berruto M, Caporali R, Moretti B, Randelli Italian Orthopaedic and Traumatology Society (SIOT) position statement on the non-surgical management of knee osteoarthritis. Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology. 2023;24(1):47.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Tischer T, Bode G, Buhs M, Marquass B, Nehrer S, Vogt S, et al. Platelet-rich plasma (PRP) as therapy for cartilage, tendon and muscle damage &#8211; German working group position statement. J Exp Orthop. 2020;7(1):64.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Carofino B, Chowaniec DM, McCarthy MB, Bradley JP, Delaronde S, Beitzel K, et Corticosteroids and local anesthetics decrease positive effects of platelet-rich plasma: an in vitro study on human tendon cells. Arthroscopy. 2012;28(5):711-9.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Huang PH, Wang CJ, Chou WY, Wang JW, Ko JY. Short-term clinical results of intra- articular PRP injections for early osteoarthritis of the knee. Int J Surg. 2017;42:117-22.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Filardo G, Kon E, Pereira Ruiz MT, Vaccaro F, Guitaldi R, Di Martino A, et Platelet-rich plasma intra-articular injections for cartilage degeneration and osteoarthritis: single- versus double-spinning approach. Knee Surg Sports Traumatol Arthrosc. 2012;20(10):2082-91.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Golebiewska EM, Poole Secrets of platelet exocytosis &#8211; what do we really know about platelet secretion mechanisms? Br J Haematol. 2013.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Fitzpatrick J, Bulsara M, Zheng The Effectiveness of Platelet-Rich Plasma in the Treatment of Tendinopathy: A Meta- analysis of Randomized Controlled Clinical Trials. The American journal of sports medicine. 2017;45(1):226-33.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Riboh JC, Saltzman BM, Yanke AB, Fortier L, Cole Effect of Leukocyte Concentration on the Efficacy of Platelet-Rich Plasma in the Treatment of Knee Osteoarthritis. The American journal of sports medicine. 2016;44(3):792-800.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Saadan C, C F, Cachen L, Lammari Y, Boezennec B, Eymard F, Albanese Caract\u00e9risation structurale et fonctionnelle de la composante glycanique du plasma riche en plaquettes. Revue du Rhumatisme. 2023;90:A87.<\/strong><\/span><\/li><li><span style=\"color: #800080;\"><strong>Chen CPC, Cheng CH, Hsu CC, Lin HC, Tsai YR, Chen The influence of platelet rich plasma on synovial fluid volumes, protein concentrations, and severity of pain in patients with knee osteoarthritis. Experimental gerontology. 2017;93:68-72.<\/strong><\/span><\/li><\/ol><p>\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\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>PLASMA RICHE EN PLAQUETTES ET GONARTHROSE SYMPTOMATIQUE. SYNTH\u00c8SE DES RECOMMANDATIONS INTERNATIONALES. \u00a0Marine DELCROS, MD. Les 4 grades de la gonarthrose selon Kellgren &amp; Lawrence INTRODUCTION L\u2019int\u00e9r\u00eat pour le plasma riche en plaquettes (PRP) autologue a \u00e9merg\u00e9 dans les ann\u00e9es 70 avec la d\u00e9couverte de la lib\u00e9ration de facteurs de croissance par les plaquettes [1]. Cette [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":20245,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[174],"tags":[343,349],"auteur":[444],"mots-cles":[],"class_list":["post-20244","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tout-ce-que-vous-voulez-savoir","tag-lm1-2024-replay","tag-lm1-2024-tout-ce-que-vous-voulez-savoir","auteur-marine-delcros"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LM N\u00b01\/ 2024. PLASMA RICHE EN PLAQUETTES ET GONARTHROSE SYMPTOMATIQUE.           SYNTH\u00c8SE DES RECOMMANDATIONS INTERNATIONALES.\u00a0M.Delcros - Revue fran\u00e7aise N\u00b01 pour la recherche en sant\u00e9 esth\u00e9tique<\/title>\n<meta name=\"description\" content=\"L\u2019arthrose est la pathologie articulaire chronique la plus commun\u00e9ment r\u00e9pandue, ce \u00ab mal du si\u00e8cle \u00bbaffectant des millions d\u2019individus dans le monde entier. Son \u00e9tude sur le genou est la plus rapport\u00e9e.\u2014 Qu\u2019en est-il de la place du plasma riche en plaquettes dans l\u2019arsenal th\u00e9rapeutique de la gonarthrose symptomatique ? Le but de cet article est de r\u00e9aliser une synth\u00e8se des recommandations des soci\u00e9t\u00e9s savantes internationales qui s\u2019attellent \u00e0 r\u00e9diger des guidelines les plus standardis\u00e9es et objectives possibles, dans une d\u00e9marche d\u2019Evidence Based Practice.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/looketmedecine.fr\/en\/wp-json\/wp\/v2\/posts\/20244\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LM N\u00b01\/ 2024. PLASMA RICHE EN PLAQUETTES ET GONARTHROSE SYMPTOMATIQUE.           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