{"id":4733,"date":"2020-06-30T09:00:42","date_gmt":"2020-06-30T09:00:42","guid":{"rendered":"https:\/\/endoscopiaterapeutica.net\/pt\/uncategorized\/lesao-de-dieulafoy-um-desafio-para-o-endoscopista\/"},"modified":"2022-08-08T00:13:07","modified_gmt":"2022-08-08T00:13:07","slug":"lesao-de-dieulafoy-um-desafio-para-o-endoscopista","status":"publish","type":"post","link":"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/lesao-de-dieulafoy-um-desafio-para-o-endoscopista\/","title":{"rendered":"Les\u00e3o de Dieulafoy: um desafio para o endoscopista"},"content":{"rendered":"<p><strong>CASO 1<\/strong><\/p>\n<p>Paciente masculino de 65 anos em investiga\u00e7\u00e3o de hepatopatia, apresentando epis\u00f3dios intermitentes de melena.\u00a0 J\u00e1 realizou 2 endoscopias e uma colonoscopia n\u00e3o evidenciando o foco do sangramento.\u00a0 \u00a0Hoje novo epis\u00f3dio de\u00a0 melena e queda significativa da hemoglobina. Indicada nova endoscopia.<\/p>\n<p><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/Dieulafoy-1.jpg\" data-rel=\"penci-gallery-image-content\" ><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-11164\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/Dieulafoy-1.jpg\" alt=\"\" width=\"1046\" height=\"348\" \/><\/a><\/p>\n<p>A endoscopia evidenciou um co\u00e1gulo no \u00e1pice bulbar e ap\u00f3s a sua remo\u00e7\u00e3o foi poss\u00edvel identificar um pequeno coto vascular com sangramento ativo. O coto foi tratado com inje\u00e7\u00e3o de solu\u00e7\u00e3o de adrenalina seguida de aplica\u00e7\u00e3o de clipes.\u00a0 O paciente n\u00e3o apresentou novos sangramentos.<\/p>\n<p><strong>CASO 2<\/strong><\/p>\n<p>Menino de 6 anos com in\u00edcio h\u00e1 3 dias com quadros de enterorragias volumosas intermitentes. Admitido no hospital com Hb de 6,0.\u00a0 Endoscopia digestiva alta normal.\u00a0 Indicada colonoscopia.<\/p>\n<p><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/dieulafoy-colon.jpg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" class=\"aligncenter size-full wp-image-11165\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/dieulafoy-colon.jpg\" alt=\"\" width=\"703\" height=\"615\" \/><\/a><\/p>\n<p>Ap\u00f3s o preparo o c\u00f3lon estava limpo e n\u00e3o apresentava mais res\u00edduos hem\u00e1ticos.\u00a0 No ceco foi identificado pequeno co\u00e1gulo. Ap\u00f3s a limpeza do ceco e\u00a0 avalia\u00e7\u00e3o detalhada underwater foi observado que o co\u00e1gulo estava aderido a um coto\u00a0 vascular superficial com pequeno ponto de ruptura.\u00a0 Foi realizada a aplica\u00e7\u00e3o de clipes e a crian\u00e7a n\u00e3o apresentou mais epis\u00f3dios de sangramento.<\/p>\n<h2><strong>Les\u00e3o de Dieulafoy<\/strong><\/h2>\n<p>A les\u00e3o de Dieulafoy foi descrita pelo cirurgi\u00e3o franc\u00eas Paul Georges Dieulafoy em 1898 e \u00e9 uma causa pouco frequente de hemorragia gastrointestinal, mas de relev\u00e2ncia, pois geralmente se apresenta com sangramentos volumosos.\u00a0 O grande desafio desta doen\u00e7a est\u00e1 no pequeno tamanho da les\u00e3o e na sua caracter\u00edstica de sangramento intermitente com \u00a0uma \u00a0dif\u00edcil localiza\u00e7\u00e3o endosc\u00f3pica se o sangramento n\u00e3o estiver ativo. \u00a0Isso leva \u00e0 sua cl\u00e1ssica apresenta\u00e7\u00e3o de hemat\u00eamese e melena com significativa queda de hemoglobina e um exame de endoscopia normal ou com achados que n\u00e3o explicam o sangramento.<\/p>\n<p><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/PGD.png\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" class=\"aligncenter size-full wp-image-10983\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/PGD.png\" alt=\"\" width=\"855\" height=\"632\" \/><\/a><\/p>\n<p>Ficou curioso? <a href=\"https:\/\/en.wikipedia.org\/wiki\/Paul_Georges_Dieulafoy\" target=\"_blank\" rel=\"noopener noreferrer\">Clique aqui https:\/\/en.wikipedia.org\/wiki\/Paul_Georges_Dieulafoy<\/a><\/p>\n<h5><\/h5>\n<h2><strong>Patologia<\/strong><\/h2>\n<p>As arter\u00edolas normais da submucosa tem menos de 1 mm pois os vasos v\u00e3o afilando progressivamente enquanto atravessam as camadas da parede do trato gastrointestinal.\u00a0 A les\u00e3o de Dieulafoy \u00e9 um desses vasos, mas que n\u00e3o afilou ap\u00f3s atravessar a muscular e chega \u00e0 camada submucosa com um calilbre de 1-3 mm. Este vaso corre tortuosamente na submucosa e protrui atrav\u00e9s da mucosa para a luz g\u00e1strica atrav\u00e9s de um pequeno defeito na mucosa de 2 a 5 mm geralmente sem sinais inflamat\u00f3rios mas podendo apresentar uma pequena \u00e1rea de fibrina adjacente.<\/p>\n<div id=\"attachment_10984\" style=\"width: 392px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/Patologia.png\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10984\" class=\"size-full wp-image-10984\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/Patologia.png\" alt=\"\" width=\"382\" height=\"293\" \/><\/a><p id=\"caption-attachment-10984\" class=\"wp-caption-text\">A) Arter\u00edola aberrante dilatada na submucosa. B) Arter\u00edola de calibre normal. C) Muscular pr\u00f3pria<\/p><\/div>\n<p>O est\u00f4mago \u00e9 o local mais comum, geralmente na pequena curvatura alta. At\u00e9 1\/3\u00a0 das les\u00f5es s\u00e3o extra-g\u00e1stricas sendo o duodeno e o c\u00f3lon os locais mais frequentes. J\u00e1 foram descritas les\u00f5es de Dieulafoy no es\u00f4fago, intestino delgado, reto, canal anal e nos br\u00f4nquios.<\/p>\n<h5><\/h5>\n<h2><strong>Etiologia<\/strong><\/h2>\n<p>A les\u00e3o provavelmente \u00e9 de origem cong\u00eanita. Patologicamente o vaso \u00e9 normal, reduzindo a probabilidade de causa aneuristm\u00e1tica. Tamb\u00e9m fortalece a teoria cong\u00eanita os casos descritos de les\u00f5es de Dieulafoy em rec\u00e9m-nascidos.<\/p>\n<p>Uma grande propor\u00e7\u00e3o dos pacientes com ruptura deste vaso est\u00e1 internado sugerindo que a les\u00e3o por estresse est\u00e1 envolvida no sangramento. A hemorragia pode ocorrer em qualquer faixa et\u00e1ria mas \u00e9 mais frequente acima dos 60 anos e duas vezes mais frequente em homens do que em mulheres.\u00a0 Comorbidades est\u00e3o presentes em 90% dos pacientes sendo cardiopatias e insufici\u00eancia renal as mais comuns.\u00a0 Drogas como anti inflamat\u00f3rios, aspirina e warfarina tamb\u00e9m podem estar relacionadas com o aumento da incid\u00eancia do sangramento.<\/p>\n<p>Embora a patogenia exata do que leva ao sangramento de um vaso previamente assintom\u00e1tico n\u00e3o \u00e9 completamente compreendida mas o consenso \u00e9 de que alguma forma de les\u00e3o mucosa por eros\u00e3o ou inj\u00faria isqu\u00eamica exp\u00f5e o vaso e predisp\u00f5e ao sangramento.<\/p>\n<h5><\/h5>\n<h2><strong>Apresenta\u00e7\u00e3o Cl\u00ednica e Diagn\u00f3stico<\/strong><\/h2>\n<p>A les\u00e3o de Dieulafoy tipicamente se apresenta agudamente com hemorragia maci\u00e7a que geralmente \u00e9 recorrente.<\/p>\n<p>A endoscopia digestiva alta \u00e9 efetiva no diagn\u00f3stico em at\u00e9 70% dos pacientes.\u00a0 Por\u00e9m, algumas vezes v\u00e1rias endoscopias podem ser necess\u00e1rias\u00a0 para se fazer o diagn\u00f3stico.\u00a0 At\u00e9 6%\u00a0 dos pacientes necessitam 3 ou mais exames endosc\u00f3picos para encontrar a les\u00e3o.\u00a0 Entre os pacientes que o diagn\u00f3stico n\u00e3o foi feito na primeira endoscopia, 40% foi devido \u00e0 presen\u00e7a de sangue acumulado impedindo a avalia\u00e7\u00e3o e 60% foi porque a les\u00e3o n\u00e3o p\u00f4de ser encontrada.<\/p>\n<p>Existem relatos do uso de ecoendoscopia para identificar um vaso calibroso na submucosa mesmo na aus\u00eancia de sangramento e tamb\u00e9m de seu uso para controle ap\u00f3s tratamento endosc\u00f3pico\u00a0avaliando o desaparecimento do fluxo no vaso submucoso.<\/p>\n<h5><\/h5>\n<h2><strong>Caracter\u00edsticas Endosc\u00f3picas da les\u00e3o de Dieulafoy<\/strong><\/h2>\n<p>Os achados se dividem em 3 categorias:<\/p>\n<ul>\n<li>Sangramento ativo que \u00a0pode ser em jato ou baba\u00e7\u00e3o.<\/li>\n<li>Co\u00e1gulo aderido que ap\u00f3s a lavagem evidencia \u00a0um m\u00ednimo defeito mucoso<\/li>\n<li>Vaso vis\u00edvel isolado com mucosa normal adjacente ou com pequena quantidade de fibrina, menor que 5 mm, n\u00e3o associado \u00e0 \u00falcera.<\/li>\n<\/ul>\n<div id=\"attachment_10977\" style=\"width: 1010px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/achados-endoscopicos-dieulafoy.jpg\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10977\" class=\"wp-image-10977\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/achados-endoscopicos-dieulafoy.jpg\" alt=\"\" width=\"1000\" height=\"235\" \/><\/a><p id=\"caption-attachment-10977\" class=\"wp-caption-text\">Da esquerda para a direita: Sangramento ativo em jato, sangramento ativo com vaso vis\u00edvel em baba\u00e7\u00e3o, co\u00e1gulo aderido, vaso vis\u00edvel com pequena quantidade de fibrina, menor que 5 mm.<\/p><\/div>\n<h5><\/h5>\n<h2><strong>Tratamento<\/strong><\/h2>\n<p>O tratamento endosc\u00f3pico \u00e9 o m\u00e9todo de escolha nas les\u00f5es acess\u00edveis endoscopicamente.\u00a0 O sucesso \u00e9 reportado acima de 90%.\u00a0 Podem ser utilizados m\u00e9todos t\u00e9rmicos (heaterprobe, APC, coagrasper, eletrocoagula\u00e7\u00e3o com al\u00e7a), inje\u00e7\u00e3o de agentes esclerosantes \u00a0e terapias mec\u00e2nicas (ligadura el\u00e1stica e clipes). \u00a0\u00a0\u00a0Cada t\u00e9cnica tem suas vantagens e desvantagens mas existe evid\u00eancia na literatura de que as terapias mec\u00e2nicas s\u00e3o mais efetivas.\u00a0 Terapias combinadas tamb\u00e9m apresentam menores taxas de ressangramento quando comparadas com a monoterapia.<\/p>\n<div id=\"attachment_10980\" style=\"width: 1361px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/Dieulafoy-tratamento-endoscopico.jpg\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10980\" class=\"wp-image-10980 size-full\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/Dieulafoy-tratamento-endoscopico.jpg\" alt=\"\" width=\"1351\" height=\"605\" \/><\/a><p id=\"caption-attachment-10980\" class=\"wp-caption-text\">Tratamento endosc\u00f3pico da les\u00e3o de Dieulafoy no duodeno. Superior da esquerda para a direita. a) co\u00e1gulo aderido b)vaso vis\u00edvel com sangramento em baba\u00e7\u00e3o ap\u00f3s lavagem do co\u00e1ugulo. c) escleroterapia com inje\u00e7\u00e3o de glicose e adrealina 1:10000. Inferior esquerda para a direita: d) aspecto ap\u00f3s eslceroterapia. e)aplica\u00e7\u00e3o do primeiro clipe. e) aspecto ap\u00f3s aplica\u00e7\u00e3o do segundo clipe.<\/p><\/div>\n<p>A angiografia pode ser utilizada em casos que falham \u00e0 terapia endosc\u00f3pica. Nestes pacientes, a coloca\u00e7\u00e3o de um clipe endosc\u00f3pico pr\u00f3ximo da les\u00e3o sangrante, quando poss\u00edvel, facilita bastante a localiza\u00e7\u00e3o da art\u00e9ria a ser tratada. Esta t\u00e9cnica apresenta um risco consider\u00e1vel de isquemia na \u00e1rea da art\u00e9ria obliterada que deve ser levado em conta no acompanhamento do paciente ap\u00f3s o procedimento devido \u00e0 possibilidade de perfura\u00e7\u00e3o tardia.<\/p>\n<p>A angiografia \u00e9 o m\u00e9todo de escolha para les\u00f5es de Dieulafoy nos br\u00f4nquios.<\/p>\n<div id=\"attachment_7962\" style=\"width: 387px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7962\" class=\"wp-image-7962\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2020\/06\/clipe-300x283.png\" alt=\"\" width=\"377\" height=\"356\" srcset=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2020\/06\/clipe-300x283.png 300w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2020\/06\/clipe.png 520w\" sizes=\"(max-width: 377px) 100vw, 377px\" \/><p id=\"caption-attachment-7962\" class=\"wp-caption-text\">Angiografia demonstrando extravasamento de contraste em topografia g\u00e1strica. A seta demonstra a presen\u00e7a de um clipe endosc\u00f3pico guiando o procedimento. Adaptado de Barbosa et. al 2016.<\/p><\/div>\n<p>A cirurgia \u00e9 reservada apenas para os\u00a0 casos onde existe falha endosc\u00f3pica e angiogr\u00e1fica.\u00a0 O tratamento laparosc\u00f3pico \u00e9 poss\u00edvel e realizado atrav\u00e9s de ressec\u00e7\u00f5es em cunha ou gastrectomias parciais, mas depende da correta localiza\u00e7\u00e3o da les\u00e3o no\u00a0 intra-operat\u00f3rio.\u00a0 Por isso, nos pacientes que ser\u00e3o operados, a tatuagem endosc\u00f3pica deve ser realizada para facilitar a identifica\u00e7\u00e3o \u00a0da \u00e1rea a ser ressecada.<\/p>\n<h5><\/h5>\n<h2><strong>Pontos importantes<\/strong><\/h2>\n<p>A les\u00e3o de Dieulafoy \u00e9 um desafio diagn\u00f3stico e terap\u00eautico.\u00a0 Devemos sempre lembrar desta les\u00e3o nos casos de hemorragia obscura em todas as faixas et\u00e1rias.<\/p>\n<p>A repeti\u00e7\u00e3o da endoscopia o mais precoce poss\u00edvel na recorr\u00eancia da hemorragia permite a visualiza\u00e7\u00e3o do sangramento ativo facilitando muito a identifica\u00e7\u00e3o da les\u00e3o.<\/p>\n<p>O tratamento endosc\u00f3pico \u00e9 altamente efetivo e as terapias mec\u00e2nicas s\u00e3o preferidas. Quando a posi\u00e7\u00e3o da les\u00e3o n\u00e3o permitir a coloca\u00e7\u00e3o de um clipe ou ligadura, terapias t\u00e9rmicas e inje\u00e7\u00e3o de agentes esclerosantes podem ser utilizados.<\/p>\n<h5><\/h5>\n<h2><strong>Refer\u00eancias<\/strong><\/h2>\n<ol>\n<li>Baxter M, Aly EH. Dieulafoy&#8217;s lesion: current trends in diagnosis and management.\u00a0<em>Ann R Coll Surg Engl<\/em>. 2010;92(7):548\u2010554.<\/li>\n<li>Lee YT, Walmsley RS, Leong RW, Sung JJ. Dieulafoy&#8217;s lesion. Gastrointest Endosc. 2003;58:236\u201343.<\/li>\n<li>Clements J, Clements B, Loughrey M. Gastric Dieulafoy lesion: a rare cause of massive haematemesis in an elderly woman. <em style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif; font-size: 14px;\">Case Reports\u00a0<\/em><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif; font-size: 14px;\">2018;<\/span><strong style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif; font-size: 14px;\">2018:<\/strong><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif; font-size: 14px;\">bcr-2017-223615.<\/span><\/li>\n<li>Linda L. Manning-Dimmitt, Steven G. Dimmitt, and George R. Wilson,<em style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif; font-size: 14px;\">\u00a0A<\/em><em style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif; font-size: 14px;\">m Fam Physician.<\/em><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif; font-size: 14px;\"> 2005\u00a0Apr\u00a01;71(7):1339-1346.<\/span><\/li>\n<li>Barosa, Rita et al. \u201cDieulafoy&#8217;s Lesion: The Role of Endoscopic Ultrasonography as a Roadmap.\u201d\u00a0<em style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif; font-size: 14px;\">GE &#8211; Portuguese Journal of Gastroenterology<\/em><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif; font-size: 14px;\"> 24 (2016): 95 &#8211; 97.<\/span><\/li>\n<li>Ghazi Alshumrani, Angiographic findings and endovascular embolization in Dieulafoy disease: a case report and literature reviewDiagn Interv Radiol 2006; 12:151-154<\/li>\n<\/ol>\n<p><strong>Para saber mais:<\/strong><\/p>\n<p><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/quiz\/quiz-dieulafoy\/\" target=\"_blank\" rel=\"noopener noreferrer\">Quiz &#8211; les\u00e3o de Dieulafoy<\/a><br \/>\n<a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/dieulafoy-de-cardia\/\" target=\"_blank\" rel=\"noopener noreferrer\">Les\u00e3o de Deiulafoy de C\u00e1rdia<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CASO 1 Paciente masculino de 65 anos em investiga\u00e7\u00e3o de hepatopatia, apresentando epis\u00f3dios intermitentes&hellip;<\/p>\n","protected":false},"author":2464,"featured_media":5354,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[151],"tags":[],"ano":[146],"tipo":[153],"volume":[263],"class_list":["post-4733","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-assuntosgerais","ano-146","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>Les\u00e3o de Dieulafoy: um desafio para o endoscopista &#8226; Endoscopia Terapeutica<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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