{"id":19185,"date":"2024-07-16T07:30:00","date_gmt":"2024-07-16T07:30:00","guid":{"rendered":"https:\/\/endoscopiaterapeutica.net\/pt\/?p=19185"},"modified":"2024-07-15T16:17:48","modified_gmt":"2024-07-15T16:17:48","slug":"stents-de-aposicao-de-lumen-nas-drenagens-de-colecoes-fluidas-pancreaticas-e-risco-de-sangramento-onde-estamos","status":"publish","type":"post","link":"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/stents-de-aposicao-de-lumen-nas-drenagens-de-colecoes-fluidas-pancreaticas-e-risco-de-sangramento-onde-estamos\/","title":{"rendered":"Stents de aposi\u00e7\u00e3o de l\u00famen nas drenagens de cole\u00e7\u00f5es fluidas pancre\u00e1ticas e risco de sangramento \u2013 onde estamos?"},"content":{"rendered":"\n<p>Desde a introdu\u00e7\u00e3o dos stents met\u00e1licos de aposi\u00e7\u00e3o de l\u00famen (LAMS) em 2012, as aplica\u00e7\u00f5es e usos desses dispositivos t\u00eam crescido constantemente. Eles t\u00eam sido empregados em uma ampla variedade de procedimentos, incluindo o tratamento de estenoses gastrointestinais luminais, para cistogastrostomia e necrosectomia endosc\u00f3pica direta, para drenagem da ves\u00edcula biliar e para gastrojejunostomia.<\/p>\n\n\n\n<p>Os LAMS est\u00e3o sendo cada vez mais preferidos em rela\u00e7\u00e3o aos stents pl\u00e1sticos (duplo pigtail) para pacientes submetidos \u00e0 drenagem ecoguiada de cole\u00e7\u00f5es fluidas pancre\u00e1ticas (PFC) por possu\u00edrem implanta\u00e7\u00e3o tecnicamente f\u00e1cil e amplo l\u00famen que facilita o r\u00e1pido escoamento do conte\u00fado do cisto, no entanto, foram relatados eventos adversos tardios, como sangramento, migra\u00e7\u00e3o e sepultamento do stent. A maioria dos estudos que descreve tais complica\u00e7\u00f5es n\u00e3o foi prospectiva e as defini\u00e7\u00f5es utilizadas n\u00e3o foram uniformes, o que limita a padroniza\u00e7\u00e3o dos eventos adversos relacionados aos LAMS. <a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/classificacao\/classificacao-de-atlanta-revisada-colecoes-fluidas-peripancreaticas\/\">Clique aqui<\/a> para rever a Classifica\u00e7\u00e3o de Atlanta para cole\u00e7\u00f5es fluidas peripancre\u00e1ticas.<\/p>\n\n\n\n<p>Uma auditoria de um ensaio cl\u00ednico randomizado comparando a efic\u00e1cia dos LAMS com stents pl\u00e1sticos de duplo pigtail relatou uma taxa inesperadamente alta de sangramento grave. O estudo observou que 10 de 31 pacientes (32,2%) no bra\u00e7o de tratamento LAMS tiveram complica\u00e7\u00f5es, incluindo tr\u00eas epis\u00f3dios de sangramento tardio come\u00e7ando tr\u00eas semanas ap\u00f3s a coloca\u00e7\u00e3o do stent. <sup>1<\/sup> O protocolo do estudo foi alterado e foi postulado que os stents pl\u00e1sticos tendem a gravitar em dire\u00e7\u00e3o ao l\u00famen paulatinamente enquanto os LAMS poderiam ocasionar um r\u00e1pido colapso da cavidade, resultando no risco de contato entre os vasos retroperitoneais e a flange distal do stent. O atrito prolongado poderia gerar eros\u00e3o e ruptura dos vasos, causando sangramento agudo grave. Considerando essa hip\u00f3tese, o tempo de perman\u00eancia do stent al\u00e9m de 4 semanas foi relatado como um preditor de sangramento tardio e formou-se consenso para remo\u00e7\u00e3o do mesmo antes deste prazo na pr\u00e1tica cl\u00ednica. Todavia, essa recomenda\u00e7\u00e3o \u00e9 baseada principalmente em dados de uma coorte de centro \u00fanico, limitando a generaliza\u00e7\u00e3o dos resultados. <sup>1, 2<\/sup><\/p>\n\n\n\n<p>Um estudo de coorte prospectivo com revis\u00e3o sistem\u00e1tica sobre eventos hemorr\u00e1gicos ap\u00f3s a coloca\u00e7\u00e3o de LAMS compilou 21 estudos envolvendo 1.378 pacientes com uma taxa de sangramento de 3,8% (52\/1378), dos quais 46,2% (24\/52) ocorreram na primeira semana ap\u00f3s a coloca\u00e7\u00e3o de LAMS. A conclus\u00e3o ap\u00f3s an\u00e1lise dos casos publicados foi de que o risco de sangramento estaria relacionado a fatores inerentes ao pr\u00f3prio procedimento ao inv\u00e9s do tempo de perman\u00eancia do stent, inferindo que um protocolo de remo\u00e7\u00e3o precoce dos LAMS para PFC \u00e9 eficaz em prevenir tal desfecho. <sup>3<\/sup><\/p>\n\n\n\n<p>Em 2022 foi publicada a an\u00e1lise retrospectiva do maior banco de dados multic\u00eantrico (1.018 pacientes) existente sobre o uso de LAMS para drenagem de PFC (18 unidades do Reino Unido e Irlanda), aumentando o conhecimento neste cen\u00e1rio. Nenhum dos fatores analisados, como tipo (WON <em>versus<\/em> pseudocisto), tamanho da cole\u00e7\u00e3o (\u226410 cm <em>versus<\/em> >10 cm) ou tempo de remo\u00e7\u00e3o do stent (\u22644 semanas <em>versus<\/em> 4\u20138 semanas <em>versus<\/em> >8 semanas), mostrou correla\u00e7\u00e3o com eventos adversos tardios. Esses resultados fornecem mais evid\u00eancias indiretas para manuten\u00e7\u00e3o da LAMS <em>in situ<\/em> al\u00e9m de 4 semanas, caso necess\u00e1rio clinicamente. <sup>4<\/sup><\/p>\n\n\n\n<p>Para mais informa\u00e7\u00f5es de manejo p\u00f3s-drenagem ecoguiada de cole\u00e7\u00f5es peripancre\u00e1ticas: <a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/manejo-pos-drenagem-ecoguiada-de-colecoes-peripancreaticas\/\">clique aqui<\/a>.<\/p>\n\n\n\n<p class=\"has-pale-ocean-gradient-background has-background\">O uso de LAMS para o manejo das PFC tem excelentes taxas de sucesso t\u00e9cnico e cl\u00ednico, no entanto, o \u00edndice de eventos adversos n\u00e3o \u00e9 desprez\u00edvel e deve ser cuidadosamente considerado antes das drenagens, em particular para WON. A prorroga\u00e7\u00e3o da sua perman\u00eancia \u00e0s vezes \u00e9 necess\u00e1ria em pacientes com necrose pancre\u00e1tica extensa que obt\u00e9m melhora cl\u00ednica discreta ao cabo de 4 semanas. At\u00e9 que haja mais estudos prospectivos para elucidarem este dilema, as descobertas de um grande conjunto de dados da vida real (banco de dados multic\u00eantrico) acrescentam-se \u00e0 literatura existente sobre o manejo dos LAMS para a drenagem de PFC e apoiam seu uso estendido em pacientes onde clinicamente indicado, desde que haja supervis\u00e3o estreita.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69f0efbd524a4&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69f0efbd524a4\" class=\"aligncenter size-full wp-lightbox-container\"><img fetchpriority=\"high\" decoding=\"async\" width=\"512\" height=\"408\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2024\/07\/POST-MARIA-SYLVIA.jpg?v=1720649374\" alt=\"\" class=\"wp-image-19186\" srcset=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2024\/07\/POST-MARIA-SYLVIA.jpg?v=1720649374 512w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2024\/07\/POST-MARIA-SYLVIA-300x239.jpg?v=1720649374 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Ampliar\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\"><em>Imagens de Necrosectomia Endosc\u00f3pica Direta em paciente com WON ap\u00f3s drenagem atrav\u00e9s de LAMS<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Refer\u00eancias<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Bang JY, Navaneethan U, Hasan MK, et al. Non-superiority of lumen-apposing metal stents over plastic stents for drainage of walled-off necrosis in a randomised trial. Gut. 2018;68:1200\u20131209.<\/li>\n\n\n\n<li>Bang JY, Hasan M, Navaneethan U, et al. Lumen-apposing metal stents (LAMS) for pancreatic fluid collection (PFC) drainage: may not be business as usual. Gut. 2017;66(12):2054\u20132056.<\/li>\n\n\n\n<li>Waseem Ahmad, Syed A. Fehmi, Thomas J. Savides, Gobind Anand, Michael A. Chang, Wilson T. Kwong. Protocol of early lumen apposing metal stent removal for pseudocysts and walled off necrosis avoids bleeding complications. Scand J Gastroenterol. 2020 Feb;55(2):242-247.<\/li>\n\n\n\n<li>Manu Nayar , John S Leeds , UK &amp; Ireland LAMS Colloborative, Kofi Oppong. Lumen-apposing metal stents for drainage of pancreatic fluid collections: does timing of removal matter? Gut 2022;71:850\u2013853.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><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\">Ribeiro MSL. Stents de aposi\u00e7\u00e3o de l\u00famen nas drenagens de cole\u00e7\u00f5es fluidas pancre\u00e1ticas e risco de sangramento \u2013 onde estamos? Endoscopia Terapeutica 2024 vol II. Dispon\u00edvel em: <a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/?p=19185\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/stents-de-aposicao-de-lumen-nas-drenagens-de-colecoes-fluidas-pancreaticas-e-risco-de-sangramento-onde-estamos\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Desde a introdu\u00e7\u00e3o dos stents met\u00e1licos de aposi\u00e7\u00e3o de l\u00famen (LAMS) em 2012, as&hellip;<\/p>\n","protected":false},"author":3701,"featured_media":19186,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[151],"tags":[768,409,460],"ano":[742],"tipo":[154],"volume":[147],"class_list":["post-19185","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-assuntosgerais","tag-colecao","tag-eus","tag-pancreatite","ano-742","tipo-ecoendoscopia","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>Stents de aposi\u00e7\u00e3o de l\u00famen nas drenagens de cole\u00e7\u00f5es fluidas pancre\u00e1ticas e risco de sangramento \u2013 onde estamos? &#8226; Endoscopia Terapeutica<\/title>\n<meta name=\"description\" content=\"Stents de aposi\u00e7\u00e3o de l\u00famen nas drenagens de cole\u00e7\u00f5es fluidas pancre\u00e1ticas e risco de sangramento \u2013 onde estamos?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/stents-de-aposicao-de-lumen-nas-drenagens-de-colecoes-fluidas-pancreaticas-e-risco-de-sangramento-onde-estamos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stents de aposi\u00e7\u00e3o de l\u00famen nas drenagens de cole\u00e7\u00f5es fluidas pancre\u00e1ticas e risco de sangramento \u2013 onde estamos?\" \/>\n<meta property=\"og:description\" content=\"Desde a introdu\u00e7\u00e3o dos stents met\u00e1licos de aposi\u00e7\u00e3o de l\u00famen (LAMS) em 2012, as aplica\u00e7\u00f5es e usos desses dispositivos t\u00eam crescido constantemente. 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