{"id":11098,"date":"2022-03-18T06:00:29","date_gmt":"2022-03-18T06:00:29","guid":{"rendered":"https:\/\/endoscopiaterapeutica.net\/pt\/?p=11098"},"modified":"2023-10-31T00:26:28","modified_gmt":"2023-10-31T00:26:28","slug":"gastrite-atrofica-guia-pratico-sobre-olga-e-olgim","status":"publish","type":"post","link":"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/gastrite-atrofica-guia-pratico-sobre-olga-e-olgim\/","title":{"rendered":"Gastrite atr\u00f3fica \u2013 guia pr\u00e1tico sobre OLGA e OLGIM"},"content":{"rendered":"\n<p><span style=\"font-weight: 400;\">A gastrite atr\u00f3fica \u00e9 um achado frequente de exames endosc\u00f3picos, sendo um dos fatores de risco para o desenvolvimento de c\u00e2ncer g\u00e1strico.&nbsp; Para identificar e estratificar grupos de risco foi criada uma classifica\u00e7\u00e3o denominada <\/span><span style=\"font-weight: 400;\">OLGA<\/span><span style=\"font-weight: 400;\"> (<em>Operative<\/em> <\/span><span style=\"font-weight: 400;\"><em>Link of Gastritis Assesment<\/em>)<\/span><span style=\"font-weight: 400;\">, baseada na localiza\u00e7\u00e3o das bi\u00f3psias e achados histol\u00f3gicos avaliando de forma objetiva o grau de atrofia.<\/span><span style=\"font-weight: 400;\"> &nbsp;<\/span><span style=\"font-weight: 400;\">A classifica\u00e7\u00e3o \u00e9 reprodut\u00edvel, de f\u00e1cil execu\u00e7\u00e3o, permitindo selecionar o grupo de pacientes de maior risco que devem ter seguimento mais r\u00edgido, mantendo a custo-efetividade do rastreamento. <\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Resumidamente, as bi\u00f3psias devem ser realizadas nos seguintes locais e identificadas em tr\u00eas frascos separados, com ao menos dois fragmentos de cada local:&nbsp;<\/span><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li> <strong style=\"color: revert; font-size: revert; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen-Sans, Ubuntu, Cantarell, &quot;Helvetica Neue&quot;, sans-serif;\">Parede anterior e parede posterior de corpo (C1 e C2)\u00a0<\/strong> <\/li>\n\n\n\n<li> <strong style=\"color: revert; font-size: revert; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen-Sans, Ubuntu, Cantarell, &quot;Helvetica Neue&quot;, sans-serif;\">Incisura angular (A3)<\/strong> <\/li>\n\n\n\n<li> <strong style=\"color: revert; font-size: revert; font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen-Sans, Ubuntu, Cantarell, &quot;Helvetica Neue&quot;, sans-serif;\">Pequena e grande curvatura de antro (A1 e A2)<\/strong> <\/li>\n<\/ol>\n\n\n\n<p>Obs: se quiser uma discuss\u00e3o mais aprofundada a respeito dos locais de bi\u00f3psia, confira esse outro artigo: <a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/onde-coletar-as-biopsias-gastricas-para-o-estadiamento-olga\/\" target=\"_blank\" rel=\"noreferrer noopener\">onde coletar as bi\u00f3psias para estadiamento OLGA?<\/a><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">O escore OLGA \u00e9 classificado de acordo com o resultado destas bi\u00f3psias, conforme tabela abaixo:\u00a0<\/span><\/p>\n\n\n<div class=\"wp-block-image wp-image-11100\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2022\/03\/OLGA.png\" data-rel=\"penci-gallery-image-content\" ><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"178\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2022\/03\/OLGA-300x178.png\" alt=\"Escore OLGA\" class=\"wp-image-11100\" srcset=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2022\/03\/OLGA-300x178.png 300w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2022\/03\/OLGA-585x347.png 585w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2022\/03\/OLGA.png 633w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption class=\"wp-element-caption\">Escore de OLGA para avalia\u00e7\u00e3o de atrofia g\u00e1strica<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Essa classifica\u00e7\u00e3o n\u00e3o leva em considera\u00e7\u00e3o a avalia\u00e7\u00e3o de outro fator de risco relevante caracterizado pela metaplasia intestinal. Para suprir esta defici\u00eancia, a <strong>classifica\u00e7\u00e3o de OLGIM<\/strong> foi criada e basicamente reproduz a mesma ideia de avaliar a localiza\u00e7\u00e3o de bi\u00f3psias com aspectos histol\u00f3gicos, por\u00e9m voltadas para a metaplasia intestinal.<\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Os est\u00e1gios s\u00e3o muito parecidos conforme disposto na tabela abaixo:<\/span><\/p>\n\n\n<div class=\"wp-block-image wp-image-11101\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2022\/03\/OLGIM.png\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" width=\"300\" height=\"167\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2022\/03\/OLGIM-300x167.png\" alt=\"Score OLGIM\" class=\"wp-image-11101\" srcset=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2022\/03\/OLGIM-300x167.png 300w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2022\/03\/OLGIM-180x100.png 180w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2022\/03\/OLGIM-585x326.png 585w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2022\/03\/OLGIM.png 637w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption class=\"wp-element-caption\">Score de OLGIM para avalia\u00e7\u00e3o de metaplasia intestinal<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-e-realmente-necessario-fazer-essas-biopsias-a-avaliacao-endoscopica-nao-e-suficiente-nbsp\"><strong>\u00c9 realmente necess\u00e1rio fazer essas bi\u00f3psias? A avalia\u00e7\u00e3o endosc\u00f3pica n\u00e3o \u00e9 suficiente??&nbsp;<\/strong><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Diversas publica\u00e7\u00f5es mostraram ao longo do tempo que os scores OLGA III\/IV possuem maior risco para desenvolvimento de c\u00e2ncer g\u00e1strico, sendo relevante realizar seguimento cuidadoso neste subgrupo. Dentre elas destaca-se a publica\u00e7\u00e3o da GUT de 2007 envolvendo 448 pacientes&nbsp; estratificados utilizando o sistema OLGA com identifica\u00e7\u00e3o de aumento gradativo da faixa et\u00e1ria e preval\u00eancia de infe\u00e7\u00e3o com <em>H. Pylori<\/em> (HP) nos escores maiores. Al\u00e9m disso, les\u00f5es neopl\u00e1sicas foram identificadas apenas nos est\u00e1gios OLGA III e IV.&nbsp; <\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Publica\u00e7\u00f5es mais recentes corroboram estes achados como a extensa metan\u00e1lise envolvendo cerca de 2700 pacientes (8 estudos , dos quais 6 caso-controle) realizada por Yue H et al em 2018. Nessa publica\u00e7\u00e3o, foi descrito maior risco de desenvolvimento de c\u00e2ncer g\u00e1strico em escores&nbsp; OLGA III e IV (OR 2,64; 95% IC p&lt;0,00001) e OLGIM III e IV (<\/span><span style=\"font-weight: 400;\">OR&nbsp; 3.99;&nbsp; 95%&nbsp; IC , p&lt; 0,00001), confirmando a import\u00e2ncia dos escores descritos nesse post e ressaltando a import\u00e2ncia de fazer sim as bi\u00f3psias.&nbsp;<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-o-que-dizem-entao-os-guidelines\"><strong>O que dizem ent\u00e3o os <em>guidelines<\/em>?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-asge-2021\"><span style=\"font-weight: 400;\"><strong>ASGE (2021 )<\/strong><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">As bi\u00f3psias devem ser realizadas em antro, incisura e corpo;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">A presen\u00e7a de metaplasia intestinal implica em diagn\u00f3stico de gastrite atr\u00f3fica;&nbsp;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Achados endosc\u00f3picos t\u00edpicos: mucosa g\u00e1strica p\u00e1lida, aumento da visualiza\u00e7\u00e3o de vasculariza\u00e7\u00e3o submucosa e perda de pregas g\u00e1stricas;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Pacientes com gastrite atr\u00f3fica e com HP + devem realizar tratamento e confirmar erradica\u00e7\u00e3o;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Rastreamento a cada 3 anos em pacientes com atrofia g\u00e1strica avan\u00e7ada (baseado na histologia e extens\u00e3o de acometimento);&nbsp;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Na presen\u00e7a de gastrite autoimune, pesquisar vitamina B12, Ferro e anticorpos <\/span>anticorpos anti-c\u00e9lula parietal e anti-fator intr\u00ednseco, doen\u00e7as tireoideanas. <span style=\"font-weight: 400;\">Suspeitar de gastrite autoimune em pacientes com defici\u00eancia de B12 e\/ou de Ferro;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Anemia perniciosa \u00e9 uma manifesta\u00e7\u00e3o tardia de gastrite autoimune &#8211; no diagn\u00f3stico realizar bi\u00f3psias para confirmar predomin\u00e2ncia de atrofia em corpo e excluir neoplasia e tumores neuroend\u00f3crinos;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Pacientes com gastrite autoimune devem ser rastreados para tumor neuroend\u00f3crino tipo 1 e os menores que 1cm devem ser ressecados. Controle endosc\u00f3pico a cada 1-2 anos.&nbsp;<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-esge-2019-mapsii\"><span style=\"font-weight: 400;\"><strong>ESGE (2019 &#8211; MAPSII)<\/strong><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Pacientes com gastrite atr\u00f3fica ou metaplasia intestinal possuem risco aumentado de adenocarcinoma;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Endoscopia com equipamentos de alta defini\u00e7\u00e3o e cromoscopia (CE) s\u00e3o superiores a endosc\u00f3pios de alta defini\u00e7\u00e3o com luz convencional<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Cromoscopia pode direcionar as bi\u00f3psias para \u00e1reas mais representativas, com maior risco de malignidade;&nbsp;&nbsp;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Realizar bi\u00f3psias em ao menos dois locais (corpo e antro &#8211; grande e pequena curvaturas) e enviar em frascos separados;&nbsp;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Pacientes com atrofia leve a moderada restrita ao antro n\u00e3o possuem evid\u00eancia para recomenda\u00e7\u00e3o de rastreamento;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Pacientes com metaplasia intestinal em uma \u00fanica regi\u00e3o por\u00e9m com hist\u00f3rico familiar de c\u00e2ncer g\u00e1strico, metaplasia incompleta ou gastrite cr\u00f4nica com HP persistente &#8211; considerar rastreamento e bi\u00f3psias guiadas por CE em 3 anos;&nbsp;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Casos de gastrite atr\u00f3fica severa devem ser rastreados a cada 3 anos;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Displasia, sem les\u00e3o endosc\u00f3pica definida devem ser submetidos a endoscopia com CE;&nbsp;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Les\u00e3o endosc\u00f3pica com displasia de baixo ou alto grau \/ carcinoma devem ser estadiados e tratados;&nbsp;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Erradica\u00e7\u00e3o de <\/span><i><span style=\"font-weight: 400;\">H. pylori<\/span><\/i><span style=\"font-weight: 400;\"> traz cicatriza\u00e7\u00e3o do tecido n\u00e3o atr\u00f3fico reduzindo o risco de c\u00e2ncer.<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-referencias\">Refer\u00eancias:<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Yue, H., Shan, L., &amp; Bin, L. (2018). The significance of OLGA and OLGIM staging systems in the risk assessment of gastric cancer: a systematic review and meta-analysis. In <em>Gastric Cancer<\/em> (Vol. 21, Issue 4, pp. 579\u2013587).<\/li>\n\n\n\n<li>Rugge, M., Meggio, A., Pennelli, G., Piscioli, F., Giacomelli, L., de Pretis, G., &amp; Graham, D. Y. (2007). Gastritis staging in clinical practice: The OLGA staging system. <em>Gut<\/em>, <em>56<\/em>(5), 631\u2013636.<\/li>\n\n\n\n<li>Coelho, M. C. F., et al. (2021). Helicobacter pylori chronic gastritis on patients with premalignant conditions: Olga and olgim evaluation and serum biomarkers performance. <em>Arquivos de Gastroenterologia<\/em>, <em>58<\/em>(1), 39\u201347.<\/li>\n\n\n\n<li>Pimentel-Nunes, P., Lib\u00e2nio, D., Marcos-Pinto, R., et al. (2019). Management of epithelial precancerous conditions and lesions in the stomach (MAPS II): European Society of Gastrointestinal Endoscopy (ESGE), European Helicobacter and Microbiota Study Group (EHMSG), European Society of Pathology (ESP), and Sociedade Portuguesa de Endoscopia Digestiva (SPED) guideline update 2019. <em>Endoscopy<\/em>, <em>51<\/em>(4)<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-quer-saber-mais-acompanhe-esse-outro-post-que-preparamos-para-voce\">Quer saber mais? Acompanhe esse outro post que preparamos para voc\u00ea.<\/h3>\n\n\n\n<!--more-->\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-endoscopia-terapeutica wp-block-embed-endoscopia-terapeutica\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"IyJ02Sgma9\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/estadiamento-olga-para-gastrite-atrofica\/\">Estadiamento OLGA e OLGIM para atrofia g\u00e1strica<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Estadiamento OLGA e OLGIM para atrofia g\u00e1strica&#8221; &#8212; Endoscopia Terapeutica\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/estadiamento-olga-para-gastrite-atrofica\/embed\/#?secret=wo1FuqLleu#?secret=IyJ02Sgma9\" data-secret=\"IyJ02Sgma9\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A gastrite atr\u00f3fica \u00e9 um achado frequente de exames endosc\u00f3picos, sendo um dos fatores&hellip;<\/p>\n","protected":false},"author":1897,"featured_media":11115,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[151],"tags":[332,336,334,333,335],"ano":[309],"tipo":[153],"volume":[263],"class_list":["post-11098","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-assuntosgerais","tag-atrofia","tag-biopsias","tag-maps2","tag-olga","tag-olgim","ano-309","tipo-endoscopia-digestiva-alta","volume-volume-i"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Gastrite atr\u00f3fica, 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