{"id":4644,"date":"2019-08-20T10:00:28","date_gmt":"2019-08-20T10:00:28","guid":{"rendered":"https:\/\/endoscopiaterapeutica.net\/pt\/uncategorized\/assuntos-gerais-lesao-de-dieulafoy\/"},"modified":"2022-05-26T23:51:02","modified_gmt":"2022-05-26T23:51:02","slug":"assuntos-gerais-lesao-de-dieulafoy","status":"publish","type":"post","link":"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/assuntos-gerais-lesao-de-dieulafoy\/","title":{"rendered":"Assuntos Gerais: Les\u00e3o de Dieulafoy."},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>A Les\u00e3o de Dieulafoy (LD) foi primeiramente descrita em 1884 por Gallarden, e caracterizada em 1898 pelo cirurgi\u00e3o George Dieulafoy, ap\u00f3s descri\u00e7\u00e3o de tr\u00eas casos de hemorragia gastrointestinal fatal em jovens, ganhando assim seu nome. Acreditava na \u00e9poca, que o sangramento era causado por uma \u00falcera em estado hiper agudo.<\/p>\n<p>\u00c9 uma causa rara, por\u00e9m importante de sangramento gastrointestinal, presente em cerca de 6% dos casos de hemorragia alta n\u00e3o varicosa e respondendo por at\u00e9 cerca de 2% dos casos de hemorragia do trato gastrointestinal. Atualmente ainda tem mortalidade alta, de cerca de 8 a 10% dos casos.<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_10290\" style=\"width: 213px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2019\/08\/ld5.jpg\" data-rel=\"penci-gallery-image-content\" ><img fetchpriority=\"high\" decoding=\"async\" aria-describedby=\"caption-attachment-10290\" class=\"size-medium wp-image-10290\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/ld5.jpg\" alt=\"\" width=\"203\" height=\"300\" \/><\/a><p id=\"caption-attachment-10290\" class=\"wp-caption-text\">Georges Dieulafoy (1839\u20131911)<br \/>The picture is considered to be in the public domain from the<br \/>National Library of Medicine &lt;http:\/\/ihm.nlm.mih.gov)&gt;<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Normalmente os vasos arteriais, ao atravessarem a parede dos \u00f3rg\u00e3os em dire\u00e7\u00e3o a mucosa, v\u00e3o ficando progressivamente mais finos. Na LD esses vasos se mant\u00e9m ainda calibrosos, com cerca de 1 a 3 mm na submucosa (cerca de 10 x o di\u00e2metro habitual das arter\u00edolas neste local), percorrendo a mesma em um curso tortuoso, at\u00e9 acabar ganhando a luz do \u00f3rg\u00e3o, em falhas pequenas na mucosa (2 a 5mm). S\u00e3o mais comuns no est\u00f4mago (71%), seguido pelo duodeno e c\u00f3lons, ocorrendo tamb\u00e9m em s\u00edtios extra gastrointestinais como os bronquios. No est\u00f4mago, em geral s\u00e3o encontrados na pequena curvatura, cerca de 6 cm abaixo da transi\u00e7\u00e3o es\u00f4fago g\u00e1strica, provavelmente por esta regi\u00e3o ser de irriga\u00e7\u00e3o direta da art\u00e9ria g\u00e1strica esquerda.<\/p>\n<p>N\u00e3o s\u00e3o conhecidos os fatores que levam ao sangramento do vaso an\u00f4malo, podendo ser secund\u00e1rio a press\u00e3o que o mesmo exerce na mucosa, levando a eros\u00e3o e isquemia local, expondo o vaso ao conte\u00fado gastrointestinal, lesando-o primariamente. Tamb\u00e9m se prop\u00f5e que esta exposi\u00e7\u00e3o possa levar a trombose e isquemia do vaso, com posterior sangramento. As revis\u00f5es mostram que as LD (com sangramento) s\u00e3o mais comuns em homens idosos, internados, com comorbidades card\u00edacas e renais, em uso de AINES ou warfarina.<\/p>\n<p>A apresenta\u00e7\u00e3o habitual \u00e9 de quadro de sangramento gastrointestinal importante, recorrente e indolor, exteriorizado como melena (44%) e hemat\u00eamese (30%) mais comumente.<\/p>\n<p>O exame diagn\u00f3stico de escolha \u00e9 a endoscopia digestiva alta. \u00c9 efetivo em mais de 90% dos casos, por\u00e9m, podem ser necess\u00e1rios mais de um procedimento em cerca de 6% dos pacientes. O m\u00e9dico deve ter um alto grau de suspeita do quadro, j\u00e1 que o achado endosc\u00f3pico pode ser dif\u00edcil, pois a les\u00e3o em geral \u00e9 pequena, pode n\u00e3o estar sangrando durante o exame, e a presen\u00e7a de sangue em grande quantidade pode impedir o diagn\u00f3stico. Nestes casos, pode-se realizar a \u201ct\u00e9cnica provocativa\u201d, que seria instila\u00e7\u00e3o de grande volume do soro no c\u00e1rdia e pequena curvatura, causando sangramento e identificando a les\u00e3o, ou mesmo, uma segunda endoscopia ap\u00f3s 12 a 24 horas (second look). \u00a0Tr\u00eas s\u00e3o os achados endosc\u00f3picos compat\u00edveis com LD : Sangramento em baba\u00e7\u00e3o ou arterial por defeito mucoso (menor que 3mm) em \u00e1rea mucosa normal , visualiza\u00e7\u00e3o de vaso sem sangramento por pequeno defeito mucoso em \u00e1rea mucosa normal, presen\u00e7a de co\u00e1gulo denso, aderido a um ponto estreito de mucosa normal ou com leve defeito.<\/p>\n<p>Outros m\u00e9todos diagn\u00f3sticos podem ser utilizados, sendo descrito o uso de Ultrassonografia Endosc\u00f3pica\u00a0em quadros agudos, a angiografia (na falha da endoscopia, com paciente ainda sangrando e principalmente em s\u00edtios fora do est\u00f4mago) e cintilografia com hem\u00e1cias marcadas.<\/p>\n<p>O tratamento incialmente era cir\u00fargico no passado, por\u00e9m com a evolu\u00e7\u00e3o das t\u00e9cnicas de hemostasia endosc\u00f3pica, esta passou a ser o m\u00e9todo de escolha. Assms, a mortalidade caiu de cerca de 80% para 8,6% na era da endoscopia.<\/p>\n<p>Qualquer t\u00e9cnica endosc\u00f3pica de hemostasia pode ser utilizada, sendo indicada aquela em que o m\u00e9dico e o servi\u00e7o tenham mais experi\u00eancia. Por\u00e9m, alguns estudos sugerem que as t\u00e9cnicas com hemostasia mec\u00e2nica (ligadura el\u00e1stica e hemoclipes) possam ser superiores as t\u00e9cnicas t\u00e9rmica e de inje\u00e7\u00e3o. Metan\u00e1lise de 2018, comparando ligadura el\u00e1stica versos hemoclipe mostrou que as duas eram eficazes, sem haver diferen\u00e7a de efetividade, efeitos colateriais ou taxas de ressangramentos entre elas. \u00a0As op\u00e7\u00f5es secund\u00e1rias, e em geral reservadas para os casos refrat\u00e1rios as t\u00e9cnicas endosc\u00f3picas, seriam o uso de emboliza\u00e7\u00e3o por angiografia, e por fim, a cirurgia (cerca de 5% dos casos)<\/p>\n<p>O ressangramento das LD ap\u00f3s tratamento \u00e9 alto, sendo descrito de 9 at\u00e9 40% dos casos, mais comumente quando foi realizada apenas monoterapia endosc\u00f3pica. Estudo retrospectivo de 2015 espanhol, demonstrou ressangramento em cerca de 20% dos pacientes, por\u00e9m retratados por endoscopia com sucesso de 100% Identificaram que a monoterapia apenas com inje\u00e7\u00e3o, e os casos diagnosticados com sangramento arterial ativos foram os mais propensos a ressangramento.<\/p>\n<p>Por fim, como j\u00e1 exposto, a evolu\u00e7\u00e3o da endoscopia reduziu drasticamente a mortalidade nos casos de LD, sendo proposto um progn\u00f3stico geral melhor para os quadros de LD em compara\u00e7\u00e3o a sangramentos por \u00falceras gastroduodenais.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_10286\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2019\/08\/ld1.jpg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" aria-describedby=\"caption-attachment-10286\" class=\"size-medium wp-image-10286\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/ld1.jpg\" alt=\"\" width=\"300\" height=\"210\" \/><\/a><p id=\"caption-attachment-10286\" class=\"wp-caption-text\">Les\u00e3o de Diuelafoy de duodeno<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_10287\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2019\/08\/ld2.jpg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" aria-describedby=\"caption-attachment-10287\" class=\"size-medium wp-image-10287\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/ld2.jpg\" alt=\"\" width=\"300\" height=\"234\" \/><\/a><p id=\"caption-attachment-10287\" class=\"wp-caption-text\">Les\u00e3o de Diuelafoy de duodeno<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_10288\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2019\/08\/ld3.jpg\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10288\" class=\"size-medium wp-image-10288\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/ld3.jpg\" alt=\"\" width=\"300\" height=\"238\" \/><\/a><p id=\"caption-attachment-10288\" class=\"wp-caption-text\">LD p\u00f3s tratamento duplo com clipe + inje\u00e7\u00e3o adrenalina<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_10289\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2019\/08\/ld4.jpg\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10289\" class=\"size-medium wp-image-10289\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/ld4.jpg\" alt=\"\" width=\"300\" height=\"235\" \/><\/a><p id=\"caption-attachment-10289\" class=\"wp-caption-text\">LD p\u00f3s tratamento duplo com clipe + inje\u00e7\u00e3o adrenalina<\/p><\/div>\n<p>&nbsp;<\/p>\n<p><strong>QUIZ DE DIEULAFOY<\/strong><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"W91nZ1ysdS\"><p><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/quiz\/quiz-dieulafoy\/\">Les\u00e3o de Dieulafoy<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Les\u00e3o de Dieulafoy&#8221; &#8212; Endoscopia Terapeutica\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/quiz\/quiz-dieulafoy\/embed\/#?secret=aE6SQUZcXu#?secret=W91nZ1ysdS\" data-secret=\"W91nZ1ysdS\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>Bibliografia :<\/p>\n<p><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/20883603\">Baxter M, Aly EH. Dieulafoy&#8217;s lesion: current trends in diagnosis andmanagement. Ann R Coll Surg Engl. 2010 Oct;92(7):548-54. doi:10.1308\/003588410X12699663905311.<\/a><\/p>\n<p><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/23155314\">Jamanca-Poma Y, Velasco-Guardado A, Pi\u00f1ero-P\u00e9rez C, Calder\u00f3n-Begazo R,Uma\u00f1a-Mej\u00eda J, Geijo-Mart\u00ednez F, Rodr\u00edguez-P\u00e9rez A. Prognostic factors for recurrence of gastrointestinal bleeding due to Dieulafoy&#8217;s lesion. World J Gastroenterol. 2012 Oct 28;18(40):5734-8. doi: 10.3748\/wjg.v18.i40.5734.<\/a><\/p>\n<p><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/26142040\">Parikh K, Ali MA, Wong RC. Unusual Causes of Upper Gastrointestinal Bleeding.Gastrointest Endosc Clin N Am. 2015 Jul;25(3):583-605. doi:10.1016\/j.giec.2015.02.009.<\/a><\/p>\n<p><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/25844338\">\u00a0Jeon HK, Kim GH. Endoscopic Management of Dieulafoy&#8217;s Lesion. Clin Endosc. 2015 Mar;48(2):112-20. doi: 10.5946\/ce.2015.48.2.112.<\/a><\/p>\n<p><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/30048368\">Barakat M, Hamed A, Shady A, Homsi M, Eskaros S. Endoscopic band ligation versus endoscopic hemoclip placement for Dieulafoy&#8217;s lesion: a meta-analysis. Eur J Gastroenterol Hepatol. 2018 Sep;30(9):995-996. doi: 10.1097\/MEG.0000000000001179\u00a0<\/a><\/p>\n<p><b>Confira tamb\u00e9m: <a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/as-principais-lesoes-musculoesqueleticas-que-acometem-os-medicos-endoscopistas-e-importancia-da-correta-ergonomia-em-seu-ambiente-de-trabalho\/\" target=\"_blank\" rel=\"noopener\">Principais les\u00f5es que acometem os endoscopistas<\/a><\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; A Les\u00e3o de Dieulafoy (LD) foi primeiramente descrita em 1884 por Gallarden, e&hellip;<\/p>\n","protected":false},"author":2221,"featured_media":4641,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[151],"tags":[],"ano":[145],"tipo":[153],"volume":[147],"class_list":["post-4644","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-assuntosgerais","ano-145","tipo-endoscopia-digestiva-alta","volume-volume-ii"],"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>Assuntos Gerais: Les\u00e3o de Dieulafoy. &#8226; 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