{"id":39,"date":"2016-06-17T01:28:06","date_gmt":"2016-06-17T01:28:06","guid":{"rendered":"http:\/\/www.cartrophen.com\/?page_id=39"},"modified":"2016-08-30T07:54:40","modified_gmt":"2016-08-30T07:54:40","slug":"canine-arthritis","status":"publish","type":"page","link":"https:\/\/www.cartrophen.com\/fr\/for-vets\/canine-arthritis\/","title":{"rendered":"Arthrose canine (maladie d\u00e9g\u00e9n\u00e9rative articulaire)"},"content":{"rendered":"<p>L\u2019ost\u00e9oarthrose (OA) est un trouble lent et progressif des articulations synoviales. L\u2019OA provoque surtout des d\u00e9s\u00e9quilibres entre les processus cataboliques et anaboliques (m\u00e9tabolisme) menant \u00e0 une \u00e9rosion du cartilage articulaire, remodelage de l\u2019os sous-chondral, formation d\u2019ost\u00e9ophytes et degr\u00e9s variables d\u2019inflammation de la membrane synoviale (synovite).<\/p>\n<p>L\u2019OA est la forme d\u2019arthrose la plus courante et est pr\u00e9sente chez 20 % des chiens \u00e2g\u00e9s de plus d\u2019un an. L\u2019OA est aussi appel\u00e9e la maladie d\u00e9g\u00e9n\u00e9rative articulaire (MDA).<\/p>\n<p>Ces changements dans l\u2019\u00e9quilibre m\u00e9tabolique de l\u2019articulation conduisent aux changements suivants dans la pathologie de l\u2019articulation arthritique.<\/p>\n<ul>\n<li><strong>Diminution de la qualit\u00e9 du liquide synovial (viscosit\u00e9)<\/strong> \u2013 Due \u00e0 un d\u00e9faut du m\u00e9tabolisme des synoviocytes, la principale composante du liquide synovial, l\u2019hyaluronane, a r\u00e9duit le poids mol\u00e9culaire r\u00e9duisant ainsi ses qualit\u00e9s de lubrification. De plus il y a une hypoxie, avec diminution du pH et accumulation de lactate dans le liquide synovial.<\/li>\n<li><strong>Insuffisance de cartilage<\/strong> \u2013 L\u2019insuffisance de cartilage est \u00e0 la fois la cause principale de l\u2019OA et un r\u00e9sultat secondaire du processus arthrosique, discut\u00e9 davantage dans \u00ab\u00a0Qu\u2019est ce que le cycle de l\u2019arthrose?\u00a0\u00bb. L\u2019insuffisance de cartilage est caract\u00e9ris\u00e9e par des ramollissements, fibrillation, fragmentation et d\u00e9gradation de la matrice cartilagineuse r\u00e9duisant sa capacit\u00e9 fonctionnelle.<\/li>\n<li><strong>Inflammation accrue (synovite)\/ r\u00e9ponse immunitaire<\/strong> \u2013 Les produits de la d\u00e9gradation cartilagineuse suscitent une r\u00e9ponse immunitaire qui provoque une inflammation ult\u00e9rieure de la synoviale, synovite. La r\u00e9ponse inflammatoire provoque une lib\u00e9ration de substances nocives qui affectent par la suite le cartilage,\u00a0les os et le liquide synovial.<\/li>\n<li><strong>Engorgement vasculaire<\/strong> \u2013 La r\u00e9ponse immunitaire peut conduire \u00e0 des d\u00e9p\u00f4ts de lipides et des caillots de fibrine dans le tissu synovial et les vaisseaux sanguins sous-chondraux. Par la suite, les patients touch\u00e9s par l\u2019OA ont de l\u2019hyperlipid\u00e9mie, de l\u2019hypercoagulabilit\u00e9 et de l\u2019hypofibrinolyse. Il a \u00e9t\u00e9 d\u00e9montr\u00e9 que 60 \u00e0 70 % des patients touch\u00e9s par l\u2019OA ont de l\u2019hypercoagulabilit\u00e9 et de l\u2019hypofibrinolyse.<\/li>\n<li><strong>N\u00e9crose cellulaire, remodelage osseux, n\u00e9crose osseuse<\/strong> \u2013 Le flux sanguin, la nutrition de l\u2019os et les cellules synoviales sont compromises par les occlusions de lipides et de fibrine r\u00e9sultant en une isch\u00e9mie, une n\u00e9crose cellulaire, une n\u00e9crose osseuse et des douleurs articulaires.<\/li>\n<\/ul>\n<p>Ci-dessous, les changements dans une articulation arthrosique compar\u00e9e \u00e0 une articulation saine.<\/p>","protected":false},"excerpt":{"rendered":"<p>L\u2019ost\u00e9oarthrose (OA) est un trouble lent et progressif des articulations synoviales. L\u2019OA provoque surtout des d\u00e9s\u00e9quilibres entre les processus cataboliques et anaboliques (m\u00e9tabolisme) menant \u00e0 une \u00e9rosion du cartilage articulaire, remodelage de l\u2019os sous-chondral, formation d\u2019ost\u00e9ophytes et degr\u00e9s variables d\u2019inflammation de la membrane synoviale (synovite). L\u2019OA est la forme d\u2019arthrose la plus courante et est&#8230;  <a class=\"excerpt-read-more\" href=\"https:\/\/www.cartrophen.com\/fr\/for-vets\/canine-arthritis\/\" title=\"ReadArthrose canine (maladie d\u00e9g\u00e9n\u00e9rative articulaire)\">Read more &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":37,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-39","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Arthrose canine (maladie d\u00e9g\u00e9n\u00e9rative articulaire) - Cartrophen Vet<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cartrophen.com\/for-vets\/canine-arthritis\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Arthrose canine (maladie d\u00e9g\u00e9n\u00e9rative articulaire) - Cartrophen Vet\" \/>\n<meta property=\"og:description\" content=\"L\u2019ost\u00e9oarthrose (OA) est un trouble lent et progressif des articulations synoviales. L\u2019OA provoque surtout des d\u00e9s\u00e9quilibres entre les processus cataboliques et anaboliques (m\u00e9tabolisme) menant \u00e0 une \u00e9rosion du cartilage articulaire, remodelage de l\u2019os sous-chondral, formation d\u2019ost\u00e9ophytes et degr\u00e9s variables d\u2019inflammation de la membrane synoviale (synovite). L\u2019OA est la forme d\u2019arthrose la plus courante et est... 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L\u2019OA provoque surtout des d\u00e9s\u00e9quilibres entre les processus cataboliques et anaboliques (m\u00e9tabolisme) menant \u00e0 une \u00e9rosion du cartilage articulaire, remodelage de l\u2019os sous-chondral, formation d\u2019ost\u00e9ophytes et degr\u00e9s variables d\u2019inflammation de la membrane synoviale (synovite). L\u2019OA est la forme d\u2019arthrose la plus courante et est... 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