{"id":55228,"date":"2020-02-26T17:26:45","date_gmt":"2020-02-26T20:26:45","guid":{"rendered":"https:\/\/barcainnovationhub.com\/?p=55228"},"modified":"2021-11-29T14:05:42","modified_gmt":"2021-11-29T17:05:42","slug":"la-hipoxia-clau-en-la-tendinopatia","status":"publish","type":"post","link":"https:\/\/barcainnovationhub.com\/ca\/la-hipoxia-clau-en-la-tendinopatia\/","title":{"rendered":"LA HIP\u00d2XIA, CLAU EN LA TENDINOPATIA"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>La tendinopatia \u00e9s una de les lesions m\u00e9s comunes en l&#8217;esport d&#8217;elit.<\/p>\n","protected":false},"author":24,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[222,43,31],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.6.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"description\" content=\"La tendinopatia \u00e9s una de les lesions m\u00e9s comunes en l&#039;esport d&#039;elit.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/barcainnovationhub.com\/ca\/la-hipoxia-clau-en-la-tendinopatia\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LA HIP\u00d2XIA, CLAU EN LA TENDINOPATIA\" \/>\n<meta property=\"og:description\" content=\"La tendinopatia \u00e9s una de les lesions m\u00e9s comunes en l&#039;esport d&#039;elit.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/barcainnovationhub.com\/ca\/la-hipoxia-clau-en-la-tendinopatia\/\" \/>\n<meta property=\"og:site_name\" content=\"Bar\u00e7a Innovation Hub\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/fcbuniversitas\" \/>\n<meta property=\"article:published_time\" content=\"2020-02-26T20:26:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-11-29T17:05:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/barcainnovationhub.com\/wp-content\/uploads\/2020\/02\/e4801180-vo200226a96403.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"4080\" \/>\n\t<meta property=\"og:image:height\" content=\"2550\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:title\" content=\"LA HIP\u00d2XIA, CLAU EN LA TENDINOPATIA\" \/>\n<meta name=\"twitter:description\" content=\"La tendinopatia \u00e9s una de les lesions m\u00e9s comunes en l&#039;esport d&#039;elit.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/barcainnovationhub.com\/wp-content\/uploads\/2020\/02\/e4801180-vo200226a96403.jpg\" \/>\n<meta name=\"twitter:creator\" content=\"@BarcaInnoHub\" \/>\n<meta name=\"twitter:site\" content=\"@BarcaInnoHub\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/barcainnovationhub.com\/#website\",\"url\":\"https:\/\/barcainnovationhub.com\/\",\"name\":\"Bar\\u00e7a Innovation Hub\",\"description\":\"The worldwide centre for sports knowledge and innovation\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/barcainnovationhub.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"ca\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/barcainnovationhub.com\/ca\/la-hipoxia-clau-en-la-tendinopatia\/#primaryimage\",\"inLanguage\":\"ca\",\"url\":\"https:\/\/barcainnovationhub.com\/wp-content\/uploads\/2020\/02\/e4801180-vo200226a96403.jpg\",\"contentUrl\":\"https:\/\/barcainnovationhub.com\/wp-content\/uploads\/2020\/02\/e4801180-vo200226a96403.jpg\",\"width\":4080,\"height\":2550,\"caption\":\"ENTRENAMIENTO\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/barcainnovationhub.com\/ca\/la-hipoxia-clau-en-la-tendinopatia\/#webpage\",\"url\":\"https:\/\/barcainnovationhub.com\/ca\/la-hipoxia-clau-en-la-tendinopatia\/\",\"name\":\"LA HIP\\u00d2XIA, CLAU EN LA TENDINOPATIA - 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Una editorial publicada (J\u00e4rvinen, 2019) pel <strong>Dr. Tero J\u00e4rvinen<\/strong> a la prestigiosa revista <strong>British Journal of Sports Medicine<\/strong> ha posat el focus en un element com\u00fa que presenta el teixit lesionat: <strong>la hip\u00f2xia<\/strong>. A causa dels baixos nivells d&#8217;oxigen, aquesta zona danyada presenta, tamb\u00e9 en rep\u00f2s, una elevada concentraci\u00f3 de lactat (Alfredson et al., 2002), a m\u00e9s a m\u00e9s d&#8217;enzims anaer\u00f2bics i teixit fibr\u00f2tic i hial\u00ed (J\u00e4rvinen et al., 1997).<\/p>\n<p>Aquestes caracter\u00edstiques biol\u00f2giques i histopatol\u00f2giques fan que es cronifiqui la hip\u00f2xia, la qual cosa indueix l&#8217;activaci\u00f3 de l&#8217;<strong>HIF-1\u03b1<\/strong>, factor de transcripci\u00f3 que regula respostes adaptatives a canvis de concentraci\u00f3 d\u2019oxigen als teixits. L&#8217;HIF-1\u03b1 s&#8217;estabilitza r\u00e0pidament quan els nivells d&#8217;oxigen intracel\u00b7lular disminueixen, modulant l&#8217;expressi\u00f3 de prote\u00efnes relacionades amb el metabolisme anaer\u00f2bic i la creaci\u00f3 de nous vasos (neovascularitzaci\u00f3) mitjan\u00e7ant factors de creixement vascular (ex. VEGF) (Pouyss\u00e9gur, Dayan, &amp; Mazure, 2006). Paradoxalment, aquests <strong>senyals angiog\u00e8nics<\/strong> (\u00e9s a dir, de creaci\u00f3 de nous vasos), <strong>aberrants i ca\u00f2tics<\/strong> indu\u00efts per la hip\u00f2xia provoquen que es cre\u00ef una xarxa de nous vasos sanguinis, que lluny de solucionar el problema, el perpetuen. Aquest proc\u00e9s es coneix com a <strong>vascularitzaci\u00f3 patol\u00f2gica<\/strong>, similar al que t\u00e9 lloc en el tumor (elevada concentraci\u00f3 de lactat, hip\u00f2xia i xarxa vascular heterog\u00e8nia) (De Palma, Biziat, &amp; Petrova, 2017).<\/p>\n<p>Per aix\u00f2, un dels objectius ha de ser normalitzar el flux sanguini per augmentar la quantitat d&#8217;oxigen que arriba al teixit danyat. Investigacions recents han intentat revertir aquesta situaci\u00f3 amb propostes que tornen a introduir factors necessaris per a l&#8217;estabilitzaci\u00f3 vascular a la zona lesionada, com la prote\u00efna R-RAS (Li, Sawada, &amp; Komatsu, 2017). Altres vies s\u00f3n les que proposen l&#8217;exercici com a eina per normalitzar la vascularitzaci\u00f3. Per exemple, en models animals de c\u00e0ncer, l&#8217;exercici incrementa el flux sanguini al tumor, redueix la hip\u00f2xia, la concentraci\u00f3 de lactat i la vasoconstricci\u00f3 (Koelwyn et al., 2017; McCullough et al., 2014). Aix\u00ed, es demostra que l&#8217;exercici \u00e9s capa\u00e7 de modular l&#8217;ambient del tumor. Transferint aquests resultats al tend\u00f3, un protocol d&#8217;exercici podria augmentar el flux sanguini de la lesi\u00f3, reduint la hip\u00f2xia, aix\u00ed com els aspectes fisiopatol\u00f2gics associats a ella.<\/p>\n<p>En paraules del professor J\u00e4rvinen, <em>&#8220;Oxygen is an absolute requirement for tissue regeneration in a human body&#8221;<\/em> (l&#8217;oxigen \u00e9s un requeriment essencial per a la regeneraci\u00f3 tissular en el cos hum\u00e0). S&#8217;estableix aix\u00ed un punt d&#8217;estudi clau per a les lesions (tendinoses i no tendinoses): la quantitat d&#8217;oxigen que arriba al teixit danyat.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><em><b>Adri\u00e1n Castillo Garc\u00eda<\/b><\/em><\/p>\n<p>&nbsp;<\/p>\n<p><em><strong>Refer\u00e8ncia<\/strong><\/em><\/p>\n<p>Alfredson, H., Bjur, D., Thorsen, K., Lorentzon, R., &amp; Sandstr\u00f6m, P. (2002). High intratendinous lactate levels in painful chronic Achilles tendinosis. An investigation using microdialysis technique. <em>Journal of Orthopaedic Research<\/em>, <em>20<\/em>(5), 934\u2013938. https:\/\/doi.org\/10.1016\/S0736-0266(02)00021-9<\/p>\n<p>De Palma, M., Biziato, D., &amp; Petrova, T. V. (2017). Microenvironmental regulation of tumour angiogenesis. <em>Nature Reviews Cancer<\/em>, <em>17<\/em>, 457. Retrieved from https:\/\/doi.org\/10.1038\/nrc.2017.51<\/p>\n<p>J\u00e4rvinen, M., J\u00f3zsa, L., Kannus, P., J\u00e4rvinen, T. L. N., Kvist, M., &amp; Leadbetter, W. (1997). Histopathological findings in chronic tendon disorders. <em>Scandinavian Journal of Medicine &amp; Science in Sports<\/em>, <em>7<\/em>(2), 86\u201395. https:\/\/doi.org\/10.1111\/j.1600-0838.1997.tb00124.x<\/p>\n<p>J\u00e4rvinen, T. A. H. (2019). Neovascularisation in tendinopathy: from eradication to stabilisation? <em>British Journal of Sports Medicine<\/em>, bjsports-2019-100608. https:\/\/doi.org\/10.1136\/bjsports-2019-100608<\/p>\n<p>Koelwyn, G. J., Quail, D. F., Zhang, X., White, R. M., &amp; Jones, L. W. (2017). Exercise-dependent regulation of the tumour microenvironment. <em>Nature Reviews Cancer<\/em>, <em>17<\/em>, 620. Retrieved from https:\/\/doi.org\/10.1038\/nrc.2017.78<\/p>\n<p>Li, F., Sawada, J., &amp; Komatsu, M. (2017). R-Ras-Akt axis induces endothelial lumenogenesis and regulates the patency of regenerating vasculature. <em>Nature Communications<\/em>, <em>8<\/em>(1), 1720. https:\/\/doi.org\/10.1038\/s41467-017-01865-x<\/p>\n<p>McCullough, D. J., Stabley, J. N., Siemann, D. W., &amp; Behnke, B. J. (2014). Modulation of Blood Flow, Hypoxia, and Vascular Function in Orthotopic Prostate Tumors During Exercise. <em>JNCI: Journal of the National Cancer Institute<\/em>, <em>106<\/em>(4). https:\/\/doi.org\/10.1093\/jnci\/dju036<\/p>\n<p>Pouyss\u00e9gur, J., Dayan, F., &amp; Mazure, N. M. (2006). Hypoxia signalling in cancer and approaches to enforce tumour regression. <em>Nature<\/em>, <em>441<\/em>(7092), 437\u2013443. https:\/\/doi.org\/10.1038\/nature04871<\/p>\n<p>&nbsp;<\/p>\n"}],"colaboradores":false,"cta_titulo_top":"","cta_boton_top":"","cta_url_top":"","cta_titulo_footer":"","cta_subtitulo_footer":"","cta_boton_footer":"","cta_url_footer":"","activar_banner_1":false,"banner_1":false,"activar_banner_2":false,"banner_2":false,"activar_banner_3":false,"banner_3":false,"activar_nuevos_banners":true,"mostrar_banner_1":true,"crear_banner_1":{"utilizar_imagen_unica_para_banner":true,"asignar_imagen_unica_para_banner":"https:\/\/barcainnovationhub.com\/wp-content\/uploads\/2021\/11\/4c8c3d4c-fondo-01-8.png","mostrar_titulo_banner":true,"titulo_para_banner":"APUNTA\u2019T AL CERTIFICAT EN METGE D\u2019EQUIP \u2013 CONCEPTES ESSENCIALS","mostrar_subtitulo_banner":false,"subtitulo_del_banner":"","mostrar_cta_banner":true,"texto_cta_banner":"UNIR-SE ARA","url_cta_banner":"https:\/\/barcainnovationhub.com\/ca\/product\/certificat-en-metge-dequip-conceptes-essencials\/?utm_source=ads_banner&utm_medium=content&utm_campaign=notas","fondo_de_color_banner":"","fondo_de_imagen_banner":false,"mostrar_imagen_izquierda_banner":false,"asignar_imagen_izquierda_banner":false},"mostrar_banner_2":false,"crear_banner_2":{"utilizar_imagen_unica_para_banner":false,"asignar_imagen_unica_para_banner":false,"mostrar_titulo_banner":false,"titulo_para_banner":"","mostrar_subtitulo_banner":false,"subtitulo_del_banner":"","mostrar_cta_banner":false,"texto_cta_banner":"","url_cta_banner":"","fondo_de_color_banner":"","fondo_de_imagen_banner":false,"mostrar_imagen_izquierda_banner":false,"asignar_imagen_izquierda_banner":false},"mostrar_banner_3":false,"crear_banner_3":{"utilizar_imagen_unica_para_banner":false,"asignar_imagen_unica_para_banner":false,"mostrar_titulo_banner":false,"titulo_para_banner":"","mostrar_subtitulo_banner":false,"subtitulo_del_banner":"","mostrar_cta_banner":false,"texto_cta_banner":"","url_cta_banner":"","fondo_de_color_banner":"","fondo_de_imagen_banner":false,"mostrar_imagen_izquierda_banner":false,"asignar_imagen_izquierda_banner":false},"alineacion_vertical_header":"center"},"_links":{"self":[{"href":"https:\/\/barcainnovationhub.com\/ca\/wp-json\/wp\/v2\/posts\/55228"}],"collection":[{"href":"https:\/\/barcainnovationhub.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/barcainnovationhub.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/barcainnovationhub.com\/ca\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/barcainnovationhub.com\/ca\/wp-json\/wp\/v2\/comments?post=55228"}],"version-history":[{"count":4,"href":"https:\/\/barcainnovationhub.com\/ca\/wp-json\/wp\/v2\/posts\/55228\/revisions"}],"predecessor-version":[{"id":111336,"href":"https:\/\/barcainnovationhub.com\/ca\/wp-json\/wp\/v2\/posts\/55228\/revisions\/111336"}],"wp:attachment":[{"href":"https:\/\/barcainnovationhub.com\/ca\/wp-json\/wp\/v2\/media?parent=55228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/barcainnovationhub.com\/ca\/wp-json\/wp\/v2\/categories?post=55228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/barcainnovationhub.com\/ca\/wp-json\/wp\/v2\/tags?post=55228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}