{"id":11639,"date":"2018-03-09T00:00:00","date_gmt":"2018-03-08T23:00:00","guid":{"rendered":"http:\/\/web-server-devel.mgc.es\/glaucoma-un-proces-de-perdua-de-la-visio\/"},"modified":"2019-11-22T12:42:40","modified_gmt":"2019-11-22T11:42:40","slug":"glaucoma-un-proces-de-perdua-de-la-visio","status":"publish","type":"post","link":"https:\/\/www.mgc.es\/ca\/blog\/glaucoma-un-proces-de-perdua-de-la-visio\/","title":{"rendered":"Glaucoma: un proc\u00e9s de p\u00e8rdua de la visi\u00f3"},"content":{"rendered":"<div class=\"video\"><iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/259690330\" width=\"640\" height=\"360\" frameborder=\"0\" webkitallowfullscreen mozallowfullscreen allowfullscreen><\/iframe><\/div>\n<p>El glaucoma \u00e9s una malaltia del nervi \u00f2ptic produ\u00efda per un augment de la pressi\u00f3 intraocular que pot arribar a disminuir la visi\u00f3. El Dr. Lu\u00eds Garc\u00eda Linares, especialista en oftalmologia del Centre M\u00e8dic M\u00fatua General de Catalunya, ens parla sobre el glaucoma i la import\u00e0ncia de la prevenci\u00f3.<!--more--><\/p>\n<p><strong>Qu\u00e8 \u00e9s el glaucoma?<\/strong> El glaucoma \u00e9s una malaltia en la qual el nervi \u00f2ptic, aquell que connecta l&#8217;ull amb el cervell i transmet la informaci\u00f3 visual, queda lesionat. \u00c9s una patologia irreversible i una de les principals causes de ceguesa a tot el m\u00f3n.<\/p>\n<p>Ocorre normalment quan el l\u00edquid que es troba dins de l&#8217;ull (fluid intraocular o humor aqu\u00f3s) no t\u00e9 un drenatge correcte que en faciliti l&#8217;absorci\u00f3 cap al torrent sanguini. Aix\u00f2 fa que es produeixi una acumulaci\u00f3 de l\u00edquid que augmenta la pressi\u00f3 intraocular (PIO) i acaba danyant el nervi \u00f2ptic, cosa que pot provocar una p\u00e8rdua de visi\u00f3.<\/p>\n<p><strong>A qui pot afectar?<\/strong> Entre l\u00b41,5% i el 2% dels majors de 40 anys presenten glaucoma, fet que suposa una prevalen\u00e7a alta.<\/p>\n<p>En general, pot afectar qualsevol persona. Encara que normalment es desenvolupa a partir dels 40-45 anys, en alguns casos pot apar\u00e8ixer abans i estar\u00edem parlant d&#8217;un glaucoma juvenil o fins i tot cong\u00e8nit. La majoria d&#8217;aquests casos s\u00f3n d&#8217;origen hereditari i es produeixen per una anomalia ocular al naixement que provoca un augment de la pressi\u00f3 intraocular (PIO). \u00c9s freq\u00fcent que aquests tipus de glaucoma es presentin dins els tres primers anys de vida.<\/p>\n<p>El risc de patir la malaltia \u00e9s m\u00e9s alt quan hi ha familiars de primer grau que presenten glaucoma. La freq\u00fc\u00e8ncia tamb\u00e9 augmenta amb l&#8217;edat, sobretot a partir dels 40 anys, i es multiplica per set a partir dels 60 anys.<\/p>\n<p><strong>Quins s\u00edmptomes t\u00e9 i com es detecta?<\/strong> El glaucoma no presenta cap s\u00edmptoma, cosa que en dificulta la detecci\u00f3. Tenir la pressi\u00f3 alta no es nota i no produeix cap dolor, excepte en casos molt extrems i poc freq\u00fcents. Per aquest motiu \u00e9s molt important realitzar una revisi\u00f3 anual, sobretot a partir dels 40-45 anys, per mesurar la pressi\u00f3 ocular i per detectar qualsevol problema, sobretot si es tenen antecedents familiars de glaucoma o si es presenten altres malalties, com ara miopia, hipertensi\u00f3 arterial, diabetis mellitus o malalties cardiovasculars.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4508\" src=\"https:\/\/www.mgc.es\/wp-content\/uploads\/2018\/03\/galucoma.jpg\" alt=\"\" width=\"1500\" height=\"1000\" \/><\/p>\n<p>En casos molt avan\u00e7ats, quan no s&#8217;ha realitzat cap tractament i la pressi\u00f3 intraocular ja ha danyat el nervi \u00f2ptic, la p\u00e8rdua de visi\u00f3 comen\u00e7a a resultar evident, de manera que el pacient no detecta el problema fins que la visi\u00f3 ja est\u00e0 molt deteriorada.<\/p>\n<p><strong>Quines conseq\u00fc\u00e8ncies pot tenir?<\/strong> Quan es t\u00e9 una pressi\u00f3 intraocular alta que no \u00e9s detectada o no \u00e9s corregida, amb els anys i de forma molt lenta, el nervi \u00f2ptic es va danyant. Com que \u00e9s el que porta la informaci\u00f3 visual cap al cervell, la visi\u00f3 comen\u00e7a a perdre: primer de forma perif\u00e8rica, pels costats, i progressivament es redueix el camp de visi\u00f3 cap al centre, com si es mir\u00e9s a trav\u00e9s d&#8217;un t\u00fanel. Amb el temps aquesta reducci\u00f3 de la visi\u00f3 pot arribar a convertir-se en una ceguesa total.<\/p>\n<p><strong>T\u00e9 tractament?<\/strong> El glaucoma t\u00e9 tractament, per\u00f2 sobretot t\u00e9 prevenci\u00f3. El m\u00e9s important per no acabar amb una p\u00e8rdua important o total de visi\u00f3 seria detectar aquesta situaci\u00f3 de risc: la pressi\u00f3 intraocular alta.<\/p>\n<p>La majoria dels tractaments del glaucoma estan enfocats a augmentar el drenatge i, en alguns casos, disminuir la producci\u00f3 de fluid intraocular o humor aqu\u00f3s. Es pot realitzar un tractament m\u00e8dic-farmacol\u00f2gic amb col\u00b7liris que fan baixar la pressi\u00f3. En la majoria de casos \u00e9s suficient per frenar o impedir que el nervi \u00f2ptic quedi afectat.<\/p>\n<p>En casos m\u00e9s avan\u00e7ats o quan ja es comen\u00e7a a tenir alguna repercussi\u00f3 visual, a m\u00e9s dels col\u00b7liris, hi ha tractaments amb l\u00e0ser, molt segurs i que es realitzen en ambulatori. Tamb\u00e9 hi ha tractament quir\u00fargic i un ventall important de t\u00e8cniques que podem aplicar per evitar una situaci\u00f3 de ceguesa del pacient. Avui dia, i gr\u00e0cies a aquests aven\u00e7os, podem controlar la immensa majoria de casos, sempre que hi hagi una detecci\u00f3 preco\u00e7 d&#8217;aquesta pressi\u00f3 intraocular.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El glaucoma \u00e9s una malaltia del nervi \u00f2ptic produ\u00efda per un augment de la pressi\u00f3 intraocular que pot arribar a disminuir la visi\u00f3.<\/p>\n","protected":false},"author":3,"featured_media":14338,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[998,15],"tags":[402,413,481],"class_list":["post-11639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oftalmologia","category-salut","tag-centre-medic","tag-destacat","tag-prevencio"],"featured_image_src":"https:\/\/www.mgc.es\/wp-content\/uploads\/2019\/11\/2018_03_destacat_im_es.jpg","author_info":{"display_name":"Revista Inter\u00e8s Mutu","author_link":"https:\/\/www.mgc.es\/ca\/blog\/author\/interesmutu\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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