{"id":21124,"date":"2026-04-07T07:00:00","date_gmt":"2026-04-07T07:00:00","guid":{"rendered":"https:\/\/endoscopiaterapeutica.net\/pt\/?p=21124"},"modified":"2026-04-06T01:17:19","modified_gmt":"2026-04-06T01:17:19","slug":"drenagem-ecoguiada-obstrucao-biliar-maligna","status":"publish","type":"post","link":"https:\/\/endoscopiaterapeutica.net\/pt\/artigoscomentados\/drenagem-ecoguiada-obstrucao-biliar-maligna\/","title":{"rendered":"Endoscopic ultrasound-guided gallbladder versus bile duct drainage for first-line therapy of malignant biliary obstruction: international multicenter trial"},"content":{"rendered":"\n<p>Publicado na <a href=\"https:\/\/www.thieme-connect.com\/products\/ejournals\/abstract\/10.1055\/a-2650-5492\" type=\"link\" id=\"https:\/\/www.thieme-connect.com\/products\/ejournals\/abstract\/10.1055\/a-2650-5492\">Endoscopy em janeiro 2026<\/a><\/p>\n\n\n\n<p>Autores: Benedetto Mangiavillano, Daryl Ramai, Alessandro Fugazza, Gianluca Franchellucci, Marco Spadaccini, Carmelo Barbera, Paolo Giorgio Arcidiacono, Germana De Nucci, Bel\u00e9n Mart\u00ednez-Moreno, Roberto Di Mitri, Francesco Di Matteo, Alberto Larghi, Carlos Robles Medranda, Andrea Anderloni, Luca De Luca, Anthony Y. B. Teoh, Jorge Vargas-Madrigal, Edoardo Forti, Michiel Bronswijk, Helga Bertani, Sundeep Lakhtakia , Khanh Do-Cong Pham, Stefano Francesco Crin\u00f2, Alessandro Repici, Antonio Facciorusso, Biliary Therapeutic EUS Study Group.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-introducao\"><br><strong>Introdu\u00e7\u00e3o<\/strong><\/h2>\n\n\n\n<p id=\"h-introducao-o-principal-metodo-de-drenagem-biliar-para-obstrucoes-malignas-distais-e-a-cpre-nos-casos-de-impossibilidade-falha-a-coledocoduodenostomia-ecoguiada-eus-choledoduodenostomy-cds-surge-como-uma-das-principais-opcoes-porem-pode-ser-desafiadora-devido-fatores-anatomicos-como-coledoco-lt-12-mm-posicao-do-coledoco-distante-do-probe-alem-da-possibilidade-de-disfuncao-do-stent-a-longo-prazo-1-3-considerando-um-ducto-cistico-patente-a-drenagem-ecoguiada-da-vesicula-eus-gallblader-drainage-gbd-e-uma-alternativa-interessante-pela-tecnica-em-geral-mais-facil-alvo-vesicula-de-maiores-proporcoes-uma-vez-que-os-resultados-sao-bons-100-de-sucesso-tecnico-e-10-8-de-eventos-adversos-em-um-estudo-os-autores-optaram-por-investigar-estas-opcoes-como-primeira-linha-na-paliacao-endoscopica-da-obstrucao-maligna-distal-4-5\">O principal m\u00e9todo de drenagem biliar para obstru\u00e7\u00f5es malignas distais \u00e9 a <strong>CPRE<\/strong>. Nos casos de <strong>impossibilidade\/falha<\/strong>, a coledocoduodenostomia ecoguiada <strong>(EUS-choledoduodenostomy &#8211; CDS)<\/strong> surge como uma das principais op\u00e7\u00f5es, por\u00e9m pode ser desafiadora devido fatores anat\u00f4micos, como <strong>col\u00e9doco &lt; 12 mm<\/strong>, posi\u00e7\u00e3o do <strong>col\u00e9doco distante do probe<\/strong>, al\u00e9m da possibilidade de <strong>disfun\u00e7\u00e3o do stent <\/strong>a longo prazo (1 &#8211; 3). Considerando um <strong>ducto c\u00edstico patente<\/strong>, a drenagem ecoguiada da ves\u00edcula <strong>(EUS-gallblader drainage &#8211; GBD)<\/strong> \u00e9 uma alternativa interessante, pela t\u00e9cnica em geral <strong>mais f\u00e1cil<\/strong> (alvo\/ves\u00edcula de maiores propor\u00e7\u00f5es). Uma vez que os resultados s\u00e3o bons (100% de sucesso t\u00e9cnico e 10,8% de eventos adversos em um estudo), os autores optaram por investigar estas op\u00e7\u00f5es como <strong>primeira linha <\/strong>na palia\u00e7\u00e3o endosc\u00f3pica da <strong>obstru\u00e7\u00e3o maligna distal<\/strong> (4, 5).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-metodos\"><br><strong>M\u00e9todos<\/strong><\/h2>\n\n\n\n<p>Trata-se de um <strong>estudo retrospectivo multic\u00eantrico<\/strong> que incluiu casos de <strong>EUS-CDS e GBD<\/strong> como tratamento de <strong>primeira linha <\/strong>para drenagem biliar (sem tentativa de drenagem por CPRE). Foram inclu\u00eddos pacientes com <strong>ducto c\u00edstico patente<\/strong> (avalia\u00e7\u00e3o pr\u00e9via por RNM e\/ou TC e durante a ecoendoscopia terap\u00eautica), ambos m\u00e9todos fact\u00edveis no procedimento inicial, <strong>col\u00e9doco > 12 mm<\/strong> e n\u00e3o candidatos a cirurgia.<\/p>\n\n\n\n<p>O desfecho prim\u00e1rio foi o <strong>sucesso cl\u00ednico<\/strong>, definido como <strong>> 15% de queda de bilirrubina em 24h<\/strong> e <strong>> 50% em 14 dias<\/strong>. Desfechos secund\u00e1rios: <strong>sucesso t\u00e9cnico<\/strong> (drenagem de bile ap\u00f3s o procedimento), <strong>eventos adversos<\/strong> e <strong>sobrevida<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/?attachment_id=21127\"><img fetchpriority=\"high\" decoding=\"async\" width=\"929\" height=\"860\" data-id=\"21127\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/03\/FIGURA-1-ARTIGO-COMENTADO.jpg\" alt=\"\" class=\"wp-image-21127\" srcset=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/03\/FIGURA-1-ARTIGO-COMENTADO.jpg?v=1774656412 929w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/03\/FIGURA-1-ARTIGO-COMENTADO-300x278.jpg?v=1774656412 300w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/03\/FIGURA-1-ARTIGO-COMENTADO-768x711.jpg?v=1774656412 768w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/03\/FIGURA-1-ARTIGO-COMENTADO-585x542.jpg?v=1774656412 585w\" sizes=\"(max-width: 929px) 100vw, 929px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/?attachment_id=21126\"><img decoding=\"async\" width=\"1024\" height=\"868\" data-id=\"21126\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/03\/FIGURA-2-ARTIGO-COMENTADO-1024x868.jpg?v=1774656409\" alt=\"\" class=\"wp-image-21126\" srcset=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/03\/FIGURA-2-ARTIGO-COMENTADO-1024x868.jpg?v=1774656409 1024w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/03\/FIGURA-2-ARTIGO-COMENTADO-300x254.jpg?v=1774656409 300w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/03\/FIGURA-2-ARTIGO-COMENTADO-768x651.jpg?v=1774656409 768w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/03\/FIGURA-2-ARTIGO-COMENTADO-585x496.jpg?v=1774656409 585w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2026\/03\/FIGURA-2-ARTIGO-COMENTADO.jpg?v=1774656409 1069w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-resultados\"><br><strong>Resultados<\/strong><\/h2>\n\n\n\n<p>Ap\u00f3s a an\u00e1lise retrospectiva de <strong>291 pacientes<\/strong>, <strong>77 em cada grupo<\/strong> (total de 154 pacientes) foram inclu\u00eddos. <strong>N\u00e3o houve diferen\u00e7a <\/strong>nas caracter\u00edsticas de base dos pacientes.<\/p>\n\n\n\n<p>A hot AXIOS foi utilizada em 87% dos casos de EUS-GBD e 92% das CDS. Nos demais casos, a hot Spaxus foi o stent empregado.<\/p>\n\n\n\n<p>A mediana de <strong>sobrevida<\/strong> em ambos os grupos foi de<strong> 5 meses.<\/strong> Os dados sobre recorr\u00eancia de obstru\u00e7\u00e3o biliar s\u00f3 estavam dispon\u00edveis em 95 pacientes (48 EUS-CDS e 47 GBD). <strong>N\u00e3o houve diferen\u00e7a<\/strong> entre os grupos para <strong>recorr\u00eancia<\/strong> (CDS 10\/48 = 21% e GBD 8\/47 = 17%), <strong>sucesso t\u00e9cnico<\/strong> e <strong>cl\u00ednico<\/strong> e <strong>eventos adversos<\/strong> (tabela 1).<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><div class=\"pcrstb-wrap\"><table class=\"has-very-light-gray-to-cyan-bluish-gray-gradient-background has-background has-fixed-layout\"><thead><tr><th><strong>Desfechos, n (%) [95 %CI]<\/strong><\/th><th><strong>EUS-GBD (n = 77)<\/strong><\/th><th><strong>EUS-CDS (n = 77)<\/strong><\/th><th><strong>P<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Sucesso t\u00e9cnico<\/strong><\/td><td>74 (96) [89\u201399]<\/td><td>76 (99) [92\u201399]<\/td><td>0.36<\/td><\/tr><tr><td><strong>Sucesso cl\u00ednico<\/strong><\/td><td>66 (86) [75\u201392]<\/td><td>71 (92) [83\u201397]<\/td><td>0.17<\/td><\/tr><tr><td><strong>Eventos adversos<\/strong><\/td><td>11 (14) [7\u201324]<\/td><td>11 (14) [7\u201324]<\/td><td>&gt; 0.99<\/td><\/tr><tr><td><strong>Sangramento<\/strong><\/td><td>2 (3) [0.3\u20139]<\/td><td>2 (3) [0.3\u20139]<\/td><td>&gt; 0.99<\/td><\/tr><tr><td><strong>Perfura\u00e7\u00e3o<\/strong><\/td><td>1 (1) [0.1\u20137]<\/td><td>0 (0) [0\u20130.4]<\/td><td>0.54<\/td><\/tr><tr><td><strong>Oclus\u00e3o do stent<\/strong><\/td><td>3 (4) [0.8\u201310]<\/td><td>2 (3) [0.3\u20139]<\/td><td>0.61<\/td><\/tr><tr><td><strong>Migra\u00e7\u00e3o do stent<\/strong><\/td><td>1 (1) [0.1\u20137]<\/td><td>0 (0) [0\u20130.4]<\/td><td>0.54<\/td><\/tr><tr><td><strong>Falha na libera\u00e7\u00e3o do stent<\/strong><\/td><td>0 (0) [0\u20130.4]<\/td><td>4 (5) [1\u201312]<\/td><td>0.12<\/td><\/tr><tr><td><strong>Pancreatite aguda<\/strong><\/td><td>3 (4) [0.8\u201310]<\/td><td>0 (0) [0\u20130.4]<\/td><td>0.09<\/td><\/tr><tr><td><strong>Colangite<\/strong><\/td><td>1 (1) [0.1\u20137]<\/td><td>3 (4) [0.8\u201310]<\/td><td>0.29<\/td><\/tr><tr><td><strong>Eventos adversos graves<\/strong><\/td><td>6 (8) [2\u201316]<\/td><td>6 (8) [2\u201316]<\/td><td>&gt; 0.99<\/td><\/tr><\/tbody><\/table><\/div><figcaption class=\"wp-element-caption\"><br>Tabela 1 (adaptada de Mangiavillano <em>et al.<\/em>) &#8211; sum\u00e1rio dos resultados nos dois grupos<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-discussao\"><br><strong>Discuss\u00e3o<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-implicacoes-clinicas\"><strong>Implica\u00e7\u00f5es cl\u00ednicas<\/strong><\/h3>\n\n\n\n<p>Os guidelines atuais recomendam a drenagem ecoguiada ao inv\u00e9s da percut\u00e2nea para falha da CPRE em casos de obstru\u00e7\u00e3o biliar distal maligna (1, 6). A EUS-CDS pode ser tecnicamente desafiadora ou at\u00e9 invi\u00e1vel por uma dilata\u00e7\u00e3o biliar discreta e\/ou dist\u00e2ncia do probe para o col\u00e9doco. Assim, a EUS-GBD apresenta-se como op\u00e7\u00e3o fact\u00edvel quando o ducto c\u00edstico \u00e9 patente e n\u00e3o h\u00e1 hist\u00f3rico de colecistectomia.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-eus-gbd-versus-eus-cds-como-primeira-linha\"><strong>EUS-GBD versus EUS-CDS como primeira linha<\/strong><\/h3>\n\n\n\n<p>Trabalhos pr\u00e9vios demonstraram resultados similares entre os m\u00e9todos ap\u00f3s falha da CPRE, por\u00e9m este \u00e9 o <strong>primeiro estudo <\/strong>colocando estas op\u00e7\u00f5es como <strong>primeira linha na drenagem <\/strong>das vias biliares.<\/p>\n\n\n\n<p>Os resultados para os entusiastas das drenagens ecoguiadas s\u00e3o muito positivos: <strong>96% de sucesso t\u00e9cnico<\/strong>, <strong>86% de sucesso cl\u00ednico<\/strong> e <strong>11% de eventos adversos<\/strong>, todos <strong>sem diferen\u00e7a estat\u00edstica <\/strong>quando comparados a EUS-CDS. Vale lembrar que estudos pr\u00e9vios j\u00e1 nos fornecem evid\u00eancia para empregar a EUS-CDS no tratamento da estenose biliar maligna distal mesmo sem tentar realizar a CPRE (7). Quando comparada \u00e0 CDS, a <strong>GBD<\/strong> apresenta a vantagem de ser <strong>tecnicamente mais f\u00e1cil<\/strong>, podendo ainda, ser fact\u00edvel com maior frequ\u00eancia.<\/p>\n\n\n\n<p>Outro ponto que deve ser sempre mantido em mente para a GBD \u00e9 a necessidade de uma <strong>boa avalia\u00e7\u00e3o da pat\u00eancia do ducto c\u00edstico <\/strong>tanto por exame de imagem seccional pr\u00e9vio (RNM e\/ou TC) e na ecoendoscopia terap\u00eautica.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-como-escolher-a-abordagem\"><strong>Como escolher a abordagem<\/strong><\/h3>\n\n\n\n<p>A literatura atual, portanto, nos permite considerar <strong>tr\u00eas op\u00e7\u00f5es de primeira linha<\/strong> na obstru\u00e7\u00e3o biliar maligna distal: (1) CPRE, (2) EUS-CDS e (3) EUS GBD.<\/p>\n\n\n\n<p>Considerando a otimiza\u00e7\u00e3o de recursos e o sentido de priorizar abordagens \u201cmais fisiol\u00f3gicas\u201d, faz sentido manter a CPRE como op\u00e7\u00e3o inicial. Talvez os bons resultados das op\u00e7\u00f5es ecoguiadas apresentem essa op\u00e7\u00e3o diante de preditores de dificuldade e\/ou maior incid\u00eancia de eventos adversos na CPRE. Ainda n\u00e3o existem guidelines ou fluxogramas baseados em evid\u00eancias para indicar qual contexto favorece um tipo dessas 3 abordagens em rela\u00e7\u00e3o aos demais. Faz sentido considerar fatores do paciente como <strong>pat\u00eancia do ducto c\u00edstico<\/strong>, <strong>invas\u00e3o tumoral do duodeno<\/strong>, <strong>morfologia da papila<\/strong> e outros <strong>fatores anat\u00f4micos<\/strong> que possam dificultar a CPRE, al\u00e9m da <strong>expertise local<\/strong> para as drenagens ecoguiadas. Outra coisa a se considerar, almejando o sucesso endosc\u00f3pico t\u00e9cnico em quase todos os casos, \u00e9 <strong>iniciar a CPRE <\/strong>com a possibilidade de uma <strong>baixo limiar de convers\u00e3o<\/strong> para uma <strong>drenagem ecoguiada<\/strong> no mesmo tempo anest\u00e9sico.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-perspectivas-futuras\"><strong>Perspectivas futuras<\/strong><\/h3>\n\n\n\n<p>Fica evidente o avan\u00e7o da ecoendoscopia terap\u00eautica com bons resultados na drenagem biliar. Os pr\u00f3ximos passos, que devem ser elucidados com novos estudos, envolvem compreender melhor o tipo de situa\u00e7\u00e3o cl\u00ednica em que cada op\u00e7\u00e3o se aplica.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/drenagem-biliar-ecoguiada-resumo-e-consideracoes-sobre-o-guideline-americano-asge-de-2024\/\" type=\"link\" id=\"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/drenagem-biliar-ecoguiada-resumo-e-consideracoes-sobre-o-guideline-americano-asge-de-2024\/\">Quer saber mais sobre <strong>drenagem biliar ecoguiada<\/strong>? Acesse o link.<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-referencias\"><br><strong>Refer\u00eancias<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>van der Merwe SW, van Wanrooij RLJ, Bronswijk M, Everett S, Lakhtakia S, Rimbas M, Hucl T, Kunda R, Badaoui A, Law R, Arcidiacono PG, Larghi A, Giovannini M, Khashab MA, Binmoeller KF, Barthet M, Perez-Miranda M, van Hooft JE. Therapeutic endoscopic ultrasound: European Society of Gastrointestinal Endoscopy (ESGE) Guideline. Endoscopy. 2022;54(2):185-205. doi:10.1055\/a-1717-1391. <\/li>\n\n\n\n<li>Bang JY, Varadarajulu S. Lumen-apposing metal stents for endoscopic ultrasonography-guided interventions. Dig Endosc. 2019;31(6):619-626. doi:10.1111\/den.13428. <\/li>\n\n\n\n<li>Chen YI, Long C, Sahai AV, Napoleon B, Donatelli G, Kunda R, Martel M, Chan SM, Arcidiacono PG, Lam E, Kongkam P, Forbes N, Larghi A, Mosko JD, Van der Merwe S, Gan SI, Jacques J, Kenshil S, Ratanachu-Ek T, Miller C, Saxena P, Desilets E, Sandha G, Alrifae Y, Teoh AYB; ELEMENT and DRA-MBO working groups. Stent misdeployment and factors associated with failure in endoscopic ultrasound-guided choledochoduodenostomy: analysis of the combined datasets from two randomized trials. Endoscopy. 2025;57(4):330-338. doi:10.1055\/a-2463-1601. <\/li>\n\n\n\n<li>Issa D, Irani S, Law R, Shah S, Bhalla S, Mahadev S, Hajifathalian K, Sampath K, Mukewar S, Carr-Locke DL, Khashab MA, Sharaiha RZ. Endoscopic ultrasound-guided gallbladder drainage as a rescue therapy for unresectable malignant biliary obstruction: a multicenter experience. Endoscopy. 2021;53(8):827-831. doi:10.1055\/a-1259-0349. <\/li>\n\n\n\n<li>Mangiavillano B, Moon JH, Facciorusso A, et al. Endoscopic ultrasound-guided gallbladder drainage as a first approach for jaundice palliation in unresectable malignant distal biliary obstruction: prospective study. Dig Endosc. 2024;36:351-358. <\/li>\n\n\n\n<li>Marya NB, Pawa S; American Society for Gastrointestinal Endoscopy Standards of Practice Committee, et al. American Society for Gastrointestinal Endoscopy guideline on the role of therapeutic EUS in the management of biliary tract disorders: methodology and review of evidence. Gastrointest Endosc. 2024;100:e79-e135. <\/li>\n\n\n\n<li>Khoury T, Sbeit W, Fumex F, et al. Endoscopic ultrasound- versus ERCP-guided primary drainage of inoperable malignant distal biliary obstruction: systematic review and meta-analysis of randomized controlled trials. Endoscopy. 2024;56(12):955-963. doi:10.1055\/a-2340-0697.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-como-citar-este-artigo\"><strong>Como citar este artigo<\/strong><\/h2>\n\n\n\n<p class=\"has-very-light-gray-to-cyan-bluish-gray-gradient-background has-background\">Funari MP. Endoscopic ultrasound-guided gallbladder versus bile duct drainage for first-line therapy of malignant biliary obstruction: international multicenter trial Endoscopia Terapeutica 2026 Vol I. Dispon\u00edvel em: <a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/?p=21124\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/endoscopiaterapeutica.net\/pt\/artigoscomentados\/endoscopic-ultrasound-guided-gallbladder-versus-bile-duct-drainage-for-first-line-therapy-of-malignant-biliary-obstruction-international-multicenter-trial\/<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Publicado na Endoscopy em janeiro 2026 Autores: Benedetto Mangiavillano, Daryl Ramai, Alessandro Fugazza, Gianluca&hellip;<\/p>\n","protected":false},"author":3493,"featured_media":21126,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[142],"tags":[294,409,864,863],"ano":[847],"tipo":[155,154],"volume":[263],"class_list":["post-21124","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-artigoscomentados","tag-cpre","tag-eus","tag-eus-cds","tag-eus-gbd","ano-847","tipo-cpre","tipo-ecoendoscopia","volume-volume-i"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Drenagem ecoguiada na obstru\u00e7\u00e3o biliar maligna<\/title>\n<meta name=\"description\" content=\"EUS-GBD vs EUS-CDS: novo estudo multic\u00eantrico sobre primeira linha de drenagem biliar ecoguiada na obstru\u00e7\u00e3o maligna.\" 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