{"id":3561,"date":"2025-09-18T11:50:09","date_gmt":"2025-09-18T09:50:09","guid":{"rendered":"https:\/\/prueba.esclerosismultiplegalicia.org\/?p=3561"},"modified":"2025-10-13T14:12:06","modified_gmt":"2025-10-13T12:12:06","slug":"mellorase-o-proceso-de-diagnostico-da-em-grazas-a-actualizacion-dos-criterios-mcdonald","status":"publish","type":"post","link":"http:\/\/esclerosismultiplegalicia.org\/index.php\/2025\/09\/18\/mellorase-o-proceso-de-diagnostico-da-em-grazas-a-actualizacion-dos-criterios-mcdonald\/","title":{"rendered":"Cambios no diagn\u00f3stico da EM mellorando o proceso grazas \u00e1 actualizaci\u00f3n dos criterios McDonald"},"content":{"rendered":"\n<h3 class=\"wp-block-heading has-theme-palette-2-color has-text-color has-link-color wp-elements-7282724cc3408da3412c828622f8a9c7\"><em>Expertos, entre os que destaca o Dr. Xavier Montalban, director do Cemcat, publican os novos criterios na revista The Lancet Neurology<\/em>. Isto supor\u00e1 cambios no diagn\u00f3stico da EM. <\/h3>\n\n\n\n<p>O traballo de actualizaci\u00f3n dos criterios McDonald estivo liderado polo\u00a0<strong>Dr. Xavier Montalban<\/strong>, director do\u00a0<a href=\"https:\/\/www.cem-cat.org\/\">Centro de Esclerose M\u00faltiple de Catalu\u00f1a (Cemcat)<\/a>\u00a0e xefe de Neuroinmunolox\u00eda Cl\u00ednica do Hospital de Vall d\u2019Hebron. Contou tam\u00e9n coa participaci\u00f3n da\u00a0<strong>Dra. Mar Tintor\u00e9, o Dr. Jaume Sastre-Garriga, a Dra. Susana Otero<\/strong>, entre outros organismos. A actualizaci\u00f3n foi publicada na revista\u00a0<em><a href=\"https:\/\/www.thelancet.com\/journals\/laneur\/home\">The Lancet Neurology<\/a><\/em>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u201cElaborar os criterios McDonald 2024 foi un esforzo internacional para lograr un diagn\u00f3stico o antes posible.&nbsp;<\/strong>Isto perm\u00edtenos iniciar os tratamentos en fases a\u00ednda m\u00e1is temper\u00e1s da enfermidade, o cal \u00e9 esencial para reducir a discapacidade a medio e longo prazo\u201d, explica o Dr. Montalban.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">O diagn\u00f3stico da EM<\/h3>\n\n\n\n<p>O <a href=\"https:\/\/prueba.esclerosismultiplegalicia.org\/index.php\/que-e-a-em\/\">diagn\u00f3stico da Esclerose M\u00faltiple<\/a> \u00e9 un proceso que require<strong>\u00a0tempo, probas diferentes e seguimento<\/strong>. Os s\u00edntomas var\u00edan en cada persoa, complicando as\u00ed o proceso do diagn\u00f3stico. O diagn\u00f3stico \u00e9 un conxunto de exploraci\u00f3ns e criterios cl\u00ednicos que permiten identificar os signos da EM <strong>descartando\u00a0<\/strong>outras enfermidades. Tres dos elementos m\u00e1is com\u00fans que se adoitan considerar neste proceso de diagn\u00f3stico son a historia cl\u00ednica da persoa, unha exploraci\u00f3n neurol\u00f3xica e outras probas como resonancia magn\u00e9tica ou anal\u00edticas de sangue.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Os criterios McDonald<\/h3>\n\n\n\n<p>Os equipos m\u00e9dicos utilizan os criterios McDonald para\u00a0<strong>confirmar a EM cando hai \u201cevidencia de lesi\u00f3ns\u00a0<\/strong>en m\u00e1is dunha zona do sistema nervioso central e cando hai probas de que esas lesi\u00f3ns ocorreron en momentos distintos no tempo\u201d. Realiz\u00e1ronse no ano 2001 coa intenci\u00f3n de chegar a un diagn\u00f3stico temper\u00e1n da EM. Periodicamente, rev\u00edsanse para actualizalos e mellorar as\u00ed o proceso.<\/p>\n\n\n\n<p>Ata agora, estes criterios base\u00e1banse no<strong>&nbsp;tempo e o espazo<\/strong>. O tempo porque establecen que \u00e9 necesario probar que os danos no sistema nervioso produc\u00edronse en momentos diferentes. E o espazo porque os criterios recollen que estes danos deben poder atoparse en dous ou m\u00e1is partes distintas do sistema nervioso central.<\/p>\n\n\n\n<p>Nos McDonald 2017 af\u00edrmase tam\u00e9n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>No proceso de diagnosticar EM \u00e9 importante\u00a0<strong>asegurarse de que non hai outra explicaci\u00f3n posible<\/strong>\u00a0para os s\u00edntomas da persoa.<\/li>\n\n\n\n<li>Para un diagn\u00f3stico correcto, este debe realizalo un\u00a0<strong>especialista en EM\u00a0<\/strong>apoi\u00e1ndose en probas de laboratorio e t\u00e9cnicas de imaxe.<\/li>\n\n\n\n<li>As\u00a0<strong>lesi\u00f3ns\u00a0<\/strong>que se poden ter en conta para o diagn\u00f3stico son esas que provocan s\u00edntomas, pero tam\u00e9n as que non o fan, quedando exclu\u00eddas as lesi\u00f3ns no<strong>\u00a0nervio \u00f3ptico<\/strong>\u00a0en persoas que te\u00f1en neuritis \u00f3ptica.<\/li>\n\n\n\n<li>Se se atopan\u00a0<strong>bandas oligoclonais<\/strong>\u00a0(prote\u00ednas que se asocian \u00e1 inflamaci\u00f3n) no l\u00edquido cefalorrraqu\u00eddeo, non \u00e9 necesario demostrar a diseminaci\u00f3n das lesi\u00f3ns no tempo.<\/li>\n\n\n\n<li>Establ\u00e9cense as\u00a0<strong>\u00e1reas do sistema nervioso\u00a0<\/strong>que se deben ter en conta en canto ao criterio de diseminaci\u00f3n no tempo. Eran catro: a zona periventricular, a cortical ou yuxtacortical, a infratentorial e a m\u00e9dula espi\u00f1al.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">As novidades da revisi\u00f3n de 2024<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Incorp\u00f3rase o nervio \u00f3ptico como quinta localizaci\u00f3n<\/strong>&nbsp;para demostrar a diseminaci\u00f3n das lesi\u00f3ns no espazo. Isto farase a trav\u00e9s dunha resonancia magn\u00e9tica, potenciais evocados visuais e\/ou unha OCT.<\/li>\n\n\n\n<li>A diseminaci\u00f3n no<strong>\u00a0tempo deixa de ser un criterio obrigatorio<\/strong>. Isto \u00e9 as\u00ed\u00a0nos casos nos que hai biomarcadores caracter\u00edsticos da EM no l\u00edquido cefalorraqu\u00eddeo, ou certos signos na resonancia magn\u00e9tica.<\/li>\n\n\n\n<li>Perm\u00edtese diagnosticar EM \u00e1s persoas con\u00a0<strong>S\u00edndrome Radiol\u00f3xicamente Illado (RIS)<\/strong>. Isto significa persoas que non presentan s\u00edntomas cl\u00ednicos pero te\u00f1en lesi\u00f3ns t\u00edpicas detectadas na resonancia magn\u00e9tica.<\/li>\n\n\n\n<li>Ofrecen orientaci\u00f3ns para<strong>&nbsp;colectivos especiais&nbsp;<\/strong>como nenos, nenas, adolescentes, persoas maiores de 50 anos e persoas con factores de risco vascular, nas que \u00e9 m\u00e1is complicado diagnosticar.<\/li>\n\n\n\n<li>Proponse as\u00ed un\u00a0<strong>marco diagn\u00f3stico \u00fanico para todas as formas da EM<\/strong>, tanto as recorrentes como as progresivas.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Importancia da \u00faltima actualizaci\u00f3n<\/h3>\n\n\n\n<p>Incorporar o\u00a0<strong>nervio \u00f3ptico\u00a0<\/strong>como unha das zonas para determinar a dispersi\u00f3n das lesi\u00f3ns polo sistema nervioso provocar\u00e1 cambios no diagn\u00f3stico da EM. Arredor da cuarta parte das persoas con EM presentan\u00a0<strong>neuritis \u00f3ptica como un dos primeiros s\u00edntomas.<\/strong><\/p>\n\n\n\n<p>Tam\u00e9n o feito de poder diagnosticar a EM \u00e1s persoas que te\u00f1en\u00a0<strong>RIS\u00a0<\/strong>facilita que estas poidan comezar a<strong>\u00a0recibir os tratamentos antes<\/strong>. Isto pode axudar a frear o progreso da enfermidade. Antes, estes casos consider\u00e1banse posibles fases previas da enfermidade, pero as persoas non comezaban os tratamentos.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201c<strong>Estamos avanzando cara un diagn\u00f3stico biol\u00f3xico da EM<\/strong>, como xa sucede con outras enfermidades neurodexenerativas como o Alzheimer ou o P\u00e1rkinson.&nbsp;<strong>Xa non ser\u00e1 necesario esperar&nbsp;<\/strong>a que aparezan novos s\u00edntomas cl\u00ednicos nin novas lesi\u00f3ns na renonancia para confirmar a enfermidade. Poderemos basearnos en marcadores obxectivos que nos permitir\u00e1n actuar antes e mellorar o progn\u00f3stico dos pacientes\u201d, asegura o Dr. Montalban.<\/p>\n<\/blockquote>\n\n\n\n<p><strong>Fonte<\/strong>:&nbsp;<a href=\"https:\/\/www.vallhebron.com\/es\/actualidad\/noticias\/la-revision-de-2024-que-actualiza-los-criterios-mcdonald-permitira-un-diagnostico-aun-mas-precoz-de-la-esclerosis-multiple\" target=\"_blank\" rel=\"noreferrer noopener\">La revisi\u00f3n de 2024 que actualiza los criterios McDonald permitir\u00e1 un diagn\u00f3stico a\u00fan m\u00e1s precoz de la esclerosis m\u00faltiple &#8211; Hospital Vall d&#8217;Hebron<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Expertos, entre os que destaca o Dr. Xavier Montalban, director&hellip; <a class=\"continue\" href=\"http:\/\/esclerosismultiplegalicia.org\/index.php\/2025\/09\/18\/mellorase-o-proceso-de-diagnostico-da-em-grazas-a-actualizacion-dos-criterios-mcdonald\/\">Ler m\u00e1is sobre<span> Cambios no diagn\u00f3stico da EM mellorando o proceso grazas \u00e1 actualizaci\u00f3n dos criterios McDonald<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":3562,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[103],"tags":[102],"class_list":["post-3561","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novas","tag-investigacion"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cambios no diagn\u00f3stico da EM actualizando os criterios McDonald<\/title>\n<meta name=\"description\" content=\"Expertos, como o Dr. Xavier Montalban, publican os novos criterios en The Lancet Neurology. 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