{"id":6629,"date":"2023-07-20T21:09:50","date_gmt":"2023-07-21T00:09:50","guid":{"rendered":"https:\/\/gastropedia.pub\/pt\/?p=6629"},"modified":"2023-07-20T21:09:52","modified_gmt":"2023-07-21T00:09:52","slug":"tecnicas-combinadas-para-resseccao-localizada-de-espessura-total-da-parede-do-trato-gastrointestinal-laparoscopic-and-endoscopic-cooperative-surgery-lecs","status":"publish","type":"post","link":"https:\/\/gastropedia.pub\/pt\/cirurgia\/esofago-estomago-duodeno\/tecnicas-combinadas-para-resseccao-localizada-de-espessura-total-da-parede-do-trato-gastrointestinal-laparoscopic-and-endoscopic-cooperative-surgery-lecs\/","title":{"rendered":"T\u00e9cnicas combinadas para ressec\u00e7\u00e3o localizada de espessura total da parede do trato gastrointestinal \u2013 \u201cLaparoscopic and Endoscopic Cooperative Surgery\u201d (LECS)"},"content":{"rendered":"<div class=\"pdfprnt-buttons pdfprnt-buttons-post pdfprnt-top-right\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-json\/wp\/v2\/posts\/6629?print=pdf\" class=\"pdfprnt-button pdfprnt-button-pdf\" target=\"_blank\" ><img decoding=\"async\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/plugins\/pdf-print\/images\/pdf.png\" alt=\"image_pdf\" title=\"Ver PDF\" \/><\/a><a href=\"https:\/\/gastropedia.pub\/pt\/wp-json\/wp\/v2\/posts\/6629?print=print\" class=\"pdfprnt-button pdfprnt-button-print\" target=\"_blank\" ><img decoding=\"async\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/plugins\/pdf-print\/images\/print.png\" alt=\"image_print\" title=\"Conte\u00fado de impress\u00e3o\" \/><\/a><\/div>\n<h2 class=\"wp-block-heading\"><strong>Introdu\u00e7\u00e3o<\/strong><\/h2>\n\n\n\n<p>A combina\u00e7\u00e3o da endoscopia e da laparoscopia para ressec\u00e7\u00f5es localizadas de espessura total do trato gastrointestinal foi descrita pela primeira vez em 2008 por Hiki et al [1]. Essa combina\u00e7\u00e3o une as vantagens das duas vias de acesso em um \u00fanico procedimento. Surgiu como uma alternativa \u00e0 gastrectomia em cunha, e ao evitar a ressec\u00e7\u00e3o de margens excessivas, ampliou a capacidade de ressec\u00e7\u00f5es localizadas, evitando gastrectomias desnecess\u00e1rias [2]. Desde ent\u00e3o vem sendo cada vez mais difundida e aplicada a outros \u00f3rg\u00e3os al\u00e9m do est\u00f4mago [3].<\/p>\n\n\n\n<p>Ap\u00f3s a publica\u00e7\u00e3o de Hiki et al [1] relatando o \u201cLaparoscopic and Endoscopic Cooperative Surgery\u201d (LECS), diversas varia\u00e7\u00f5es t\u00e9cnicas foram descritas, cada uma com suas vantagens e desvantagens. Essas varia\u00e7\u00f5es permitiram ampliar ainda mais as indica\u00e7\u00f5es da abordagem conjunta.<\/p>\n\n\n\n<p>Atualmente, o termo LECS tem sido utilizado genericamente para se referir ao conjunto de t\u00e9cnicas combinadas. A t\u00e9cnica originalmente descrita por Hiki et al est\u00e1 sendo chamada de LECS cl\u00e1ssico e as outras de LECS modificado [3].<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Indica\u00e7\u00f5es<\/strong><\/h2>\n\n\n\n<p>As t\u00e9cnicas combinadas permitem realizar a ressec\u00e7\u00e3o localizada de espessura total da parede do trato gastrointestinal evitando margens excessivas, e consequentemente deformidades obstrutivas (Figuras 1a e 1b). Essas t\u00e9cnicas n\u00e3o contemplam a linfadenectomia regional.<\/p>\n\n\n\n<p>Dessa forma, s\u00e3o indicadas para as les\u00f5es com necessidade de ressec\u00e7\u00e3o de espessura total, quando se deseja evitar margens excessivas, desde que tenham baixo risco de met\u00e1stase para linfonodos.<\/p>\n\n\n\n<p><strong>Les\u00f5es com necessidade de ressec\u00e7\u00e3o de espessura total [4]:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Profundas, com origem ou acometimento da camada muscular pr\u00f3pria;<\/li>\n\n\n\n<li>Superficiais, localizadas nas camadas mucosa e\/ou submucosa na falha das t\u00e9cnicas endosc\u00f3picas convencionais (mucosectomia e a dissec\u00e7\u00e3o endosc\u00f3pica da submucosa).<\/li>\n<\/ul>\n\n\n\n<p>No LECS cl\u00e1ssico ocorre a exposi\u00e7\u00e3o da les\u00e3o e do conte\u00fado luminal para a cavidade peritoneal, n\u00e3o estando indicado para les\u00f5es epiteliais ou ulceradas. Com a evolu\u00e7\u00e3o, t\u00e9cnicas sem exposi\u00e7\u00e3o foram descritas ampliando a indica\u00e7\u00e3o da abordagem combinada para estes tipos de les\u00f5es [3].<\/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:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-13.11.15.jpeg\" data-rel=\"penci-gallery-image-content\" ><img fetchpriority=\"high\" decoding=\"async\" width=\"343\" height=\"262\" data-id=\"6630\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-13.11.15.jpeg\" alt=\"\" class=\"wp-image-6630\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-13.11.15.jpeg?v=1689178315 343w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-13.11.15-300x229.jpeg?v=1689178315 300w\" sizes=\"(max-width: 343px) 100vw, 343px\" \/><\/a><figcaption class=\"wp-element-caption\">Figura 1a \u2013 Les\u00e3o subepitelial no antro g\u00e1strico.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.23.25.jpeg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" width=\"336\" height=\"257\" data-id=\"6636\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.23.25.jpeg\" alt=\"\" class=\"wp-image-6636\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.23.25.jpeg?v=1689186272 336w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.23.25-300x229.jpeg?v=1689186272 300w\" sizes=\"(max-width: 336px) 100vw, 336px\" \/><\/a><figcaption class=\"wp-element-caption\">Figura 1b \u2013 Aspecto final logo ap\u00f3s a ressec\u00e7\u00e3o por t\u00e9cnica combinada da les\u00e3o da Figura 1a, demonstrando t\u00eanue cicatriz linear, sem deformidade local. Resultado poss\u00edvel devido \u00e0 n\u00e3o ressec\u00e7\u00e3o de margens excessivas.<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Descri\u00e7\u00e3o das principais t\u00e9cnicas \u2013 vantagens e limita\u00e7\u00f5es<\/strong><\/h2>\n\n\n\n<p>As principais t\u00e9cnicas combinadas come\u00e7am pelo acesso laparosc\u00f3pico \u00e0 les\u00e3o. Os vasos da face serosa devem ser ligados, permitindo uma boa exposi\u00e7\u00e3o da \u00e1rea a ser ressecada. Em seguida, \u00e9 feito a marca\u00e7\u00e3o interna (mucosa) e externa (serosa e muscular pr\u00f3pria) dos limites da les\u00e3o utilizando corrente de coagula\u00e7\u00e3o. Caso os limites da les\u00e3o n\u00e3o sejam n\u00edtidos em alguma de suas faces, eles podem ser apontados atrav\u00e9s de compress\u00e3o (Figura 3).<\/p>\n\n\n\n<p>Com objetivo de afastar a mucosa da muscular pr\u00f3pria, para proporcionar uma dissec\u00e7\u00e3o mais precisa e evitar uma perfura\u00e7\u00e3o inadvertida, o endoscopista realiza a<strong> inje\u00e7\u00e3o da submucosa<\/strong> ao redor da les\u00e3o. A solu\u00e7\u00e3o utilizada deve ser eletrol\u00edtica e com maior osmolaridade, permitindo a condu\u00e7\u00e3o da corrente el\u00e9trica com maior perman\u00eancia na submucosa. Um corante pode ser adicionado para facilitar a diferencia\u00e7\u00e3o das camadas. Neste momento, n\u00e3o se tem uma precisa visibiliza\u00e7\u00e3o endosc\u00f3pica dos limites da les\u00e3o, enfatizando a import\u00e2ncia de uma adequada marca\u00e7\u00e3o na mucosa (Figura 4).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-3.jpg\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-3.jpg\" alt=\"\" class=\"wp-image-6619\" width=\"431\" height=\"225\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-3.jpg?v=1689119050 862w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-3-300x157.jpg?v=1689119050 300w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-3-768x401.jpg?v=1689119050 768w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-3-585x305.jpg?v=1689119050 585w\" sizes=\"(max-width: 431px) 100vw, 431px\" \/><\/a><figcaption class=\"wp-element-caption\"><br>Figura 3 \u2013 Marca\u00e7\u00e3o combinada e precisa dos limites da les\u00e3o.<\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.47.47.jpeg\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.47.47.jpeg\" alt=\"\" class=\"wp-image-6637\" width=\"359\" height=\"267\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.47.47.jpeg?v=1689187727 478w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.47.47-300x223.jpeg?v=1689187727 300w\" sizes=\"(max-width: 359px) 100vw, 359px\" \/><\/a><figcaption class=\"wp-element-caption\"><br>Figura 4 \u2013 Les\u00e3o subepitelial g\u00e1strica ap\u00f3s a marca\u00e7\u00e3o e a inje\u00e7\u00e3o da submucosa. Observar a perda da precis\u00e3o na identifica\u00e7\u00e3o dos limites da les\u00e3o.<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u201c<strong>Laparoscopic and Endoscopic Cooperative Surgery\u201d (LECS) cl\u00e1ssico<\/strong><\/h2>\n\n\n\n<p>No LECS cl\u00e1ssico, guiado pela marca\u00e7\u00e3o na mucosa e com aux\u00edlio da inje\u00e7\u00e3o da submucosa, o endoscopista realiza a sec\u00e7\u00e3o da parede ao redor da les\u00e3o, plano a plano at\u00e9 a perfura\u00e7\u00e3o intencional. Deve-se evitar a perfura\u00e7\u00e3o precoce, uma vez que o escape a\u00e9reo pode dificultar a insufla\u00e7\u00e3o do \u00f3rg\u00e3o, com consequente perda da visibilidade pelo endoscopista. Essa dissec\u00e7\u00e3o endosc\u00f3pica \u00e9 auxiliada pela laparoscopia, principalmente em suas fases finais, at\u00e9 a completa libera\u00e7\u00e3o da les\u00e3o.<\/p>\n\n\n\n<p>Les\u00f5es menores que 3 cm podem ser retiradas pela endoscopia por via oral, j\u00e1 as maiores devem ser retiradas pela laparoscopia por via abdominal. O defeito \u00e9 fechado pela laparoscopia, seja com sutura manual ou mec\u00e2nica.<\/p>\n\n\n\n<p><strong>Vantagens:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Evita margens excessivas;<\/li>\n\n\n\n<li>Aplic\u00e1vel para a maior parte das localiza\u00e7\u00f5es das les\u00f5es.<\/li>\n<\/ul>\n\n\n\n<p><strong>Limita\u00e7\u00e3o:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Exposi\u00e7\u00e3o da les\u00e3o e do conte\u00fado luminal \u00e0 cavidade peritoneal devendo ser evitada em les\u00f5es ulceradas ou epiteliais.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u201c<strong>Laparoscopic and Endoscopic Cooperative Surgery\u201d (LECS) modificado \u2013 t\u00e9cnicas sem exposi\u00e7\u00e3o<\/strong><\/h2>\n\n\n\n<p>Ap\u00f3s a marca\u00e7\u00e3o e a inje\u00e7\u00e3o da submucosa, nas t\u00e9cnicas sem exposi\u00e7\u00e3o \u00e9 feita a sec\u00e7\u00e3o das camadas serosa e muscular pr\u00f3pria ao redor da les\u00e3o, seguida da dissec\u00e7\u00e3o submucosa (V\u00eddeo 1). A les\u00e3o fica presa apenas pela mucosa, a qual \u00e9 el\u00e1stica e redundante, permitindo uma maior amplitude na sua invagina\u00e7\u00e3o para a luz do \u00f3rg\u00e3o ou evers\u00e3o para a cavidade peritoneal.<\/p>\n\n\n\n<div style=\"position:relative;padding-top:56.25%;\"><iframe id=\"panda-b3753290-f07a-4766-be91-d5f2db3289bf\" src=\"https:\/\/player-vz-a75e9d45-986.tv.pandavideo.com.br\/embed\/?v=b3753290-f07a-4766-be91-d5f2db3289bf\" style=\"border:none;position:absolute;top:0;left:0;\" allow=\"accelerometer;gyroscope;autoplay;encrypted-media;picture-in-picture\" allowfullscreen=true width=\"100%\" height=\"100%\" fetchpriority=\"high\"><\/iframe><\/div>\n\n\n\n<p class=\"has-text-align-center\"><em>V\u00eddeo 1 \u2013 Abertura inicial das camadas serosa e muscular pr\u00f3pria, com a exposi\u00e7\u00e3o da submucosa, corada em azul. Esta abertura \u00e9 realizada utilizando corrente de corte. Ap\u00f3s a sec\u00e7\u00e3o circunferencial das camadas serosa e muscular pr\u00f3pria, a submucosa \u00e9 dissecada utilizando a corrente de coagula\u00e7\u00e3o. Ap\u00f3s a dissec\u00e7\u00e3o, observa-se a grande mobilidade da les\u00e3o para a luz do est\u00f4mago ou para a cavidade peritoneal.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u201c<strong>Combination of Laparoscopic and Endoscopic Approaches to the Treatment of Neoplasia with a Nonexposure Technique\u201d (CLEAN-NET)<\/strong><\/h2>\n\n\n\n<p>Dois pontos de reparo podem ser passados nas margens da les\u00e3o, facilitando sua manipula\u00e7\u00e3o, inclusive durante a dissec\u00e7\u00e3o da submucosa. Nesta t\u00e9cnica, a les\u00e3o \u00e9 evertida para a cavidade peritoneal e com um grampeador laparosc\u00f3pico linear, a ressec\u00e7\u00e3o de espessura total \u00e9 completada. Esse grampeamento pode englobar toda a espessura da parede, t\u00e9cnica originalmente descrita, ou apenas a mucosa, sendo chamada de CLEAN-NET modificada (Figura 5). Nesta, ap\u00f3s o grampeamento, \u00e9 feito o fechamento manual da camada seromuscular (Figura 6) [5,6].<\/p>\n\n\n\n<p><strong>Vantagens:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Evita margens excessivas;<\/li>\n\n\n\n<li>Sem exposi\u00e7\u00e3o da les\u00e3o e do conte\u00fado luminal \u00e0 cavidade peritoneal;<\/li>\n\n\n\n<li>Maior facilidade nas les\u00f5es com crescimento extra luminal.<\/li>\n<\/ul>\n\n\n\n<p><strong>Limita\u00e7\u00f5es:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Maior dificuldade nas les\u00f5es com crescimento intraluminal.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.54.44.jpeg\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" width=\"532\" height=\"312\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.54.44.jpeg\" alt=\"\" class=\"wp-image-6638\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.54.44.jpeg?v=1689188140 532w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.54.44-300x176.jpeg?v=1689188140 300w\" sizes=\"(max-width: 532px) 100vw, 532px\" \/><\/a><figcaption class=\"wp-element-caption\"><br>Figura 5 \u2013 Posicionamento do grampeador linear na mucosa da \u00e1rea de dissec\u00e7\u00e3o ao redor da les\u00e3o.<\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.57.19.jpeg\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" width=\"478\" height=\"359\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.57.19.jpeg\" alt=\"\" class=\"wp-image-6639\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.57.19.jpeg?v=1689188282 478w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-15.57.19-300x225.jpeg?v=1689188282 300w\" sizes=\"(max-width: 478px) 100vw, 478px\" \/><\/a><figcaption class=\"wp-element-caption\"><br>Figura 6 \u2013 Aspecto endosc\u00f3pico final na pequena curvatura do corpo alto, ap\u00f3s o grampeamento da mucosa e a sutura manual das camadas serosa e muscular pr\u00f3pria (seta verde).<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">\u201c<strong>Nonexposed Endoscopic Wall-inversion Surgery\u201d (NEWS)<\/strong><\/h2>\n\n\n\n<p>Com a les\u00e3o presa apenas pela mucosa, o cirurgi\u00e3o faz o fechamento com sutura manual das camadas serosa e muscular pr\u00f3pria ao redor da \u00e1rea de dissec\u00e7\u00e3o, recobrindo a les\u00e3o. Para melhor localiza\u00e7\u00e3o pelo endoscopista da \u00e1rea dissecada, um anteparo (esponja) \u00e9 interposto (Figura 7).<\/p>\n\n\n\n<p>Ap\u00f3s, utilizando a t\u00e9cnica da dissec\u00e7\u00e3o endosc\u00f3pica da submucosa, o endoscopista guiado pela marca\u00e7\u00e3o na mucosa e pelo anteparo, secciona toda a mucosa ao redor da les\u00e3o, completando a ressec\u00e7\u00e3o. A les\u00e3o \u00e9 retirada por via luminal, e um segunda plano de sutura e\/ou o fechamento da mucosa com clipes podem ser realizados [7,8,9].<\/p>\n\n\n\n<p><strong>Vantagens:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Evita margens excessivas;<\/li>\n\n\n\n<li>Sem exposi\u00e7\u00e3o da les\u00e3o e do conte\u00fado luminal \u00e0 cavidade peritoneal;<\/li>\n\n\n\n<li>Maior facilidade nas les\u00f5es com crescimento intraluminal;<\/li>\n\n\n\n<li>Grande precis\u00e3o nas margens laterais de ressec\u00e7\u00e3o da mucosa.<\/li>\n<\/ul>\n\n\n\n<p><strong>Limita\u00e7\u00f5es:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les\u00f5es maiores que 3 cm (n\u00e3o s\u00e3o pass\u00edveis de retirada por via oral);<\/li>\n\n\n\n<li>Necessita de profici\u00eancia na t\u00e9cnica de dissec\u00e7\u00e3o endosc\u00f3pica da submucosa;<\/li>\n\n\n\n<li>Maior dificuldade nas les\u00f5es com crescimento extra luminal.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-7.jpg\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-7-1024x720.jpg\" alt=\"\" class=\"wp-image-6617\" width=\"512\" height=\"360\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-7-1024x720.jpg?v=1689119044 1024w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-7-300x211.jpg?v=1689119044 300w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-7-768x540.jpg?v=1689119044 768w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-7-1170x823.jpg?v=1689119044 1170w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-7-585x411.jpg?v=1689119044 585w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-7.jpg?v=1689119044 1236w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/a><figcaption class=\"wp-element-caption\"><br>Figura 7 \u2013 Camadas serosa e muscular pr\u00f3pria fechadas por sutura manual recobrindo a les\u00e3o, com anteparo interposto. As setas indicam o local em que o endoscopista far\u00e1 a incis\u00e3o circunferencial da mucosa para a completa libera\u00e7\u00e3o da les\u00e3o.<\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u201c<strong>Combined Gastric Full-Thickness Tumor Resection\u201d<\/strong><\/h2>\n\n\n\n<p>Ap\u00f3s a dissec\u00e7\u00e3o laparosc\u00f3pica da submucosa, utilizando uma pin\u00e7a, o cirurgi\u00e3o empurra a les\u00e3o para luz do \u00f3rg\u00e3o. Neste momento o endoscopista apreende a les\u00e3o, juntamente com todas as camadas da parede, em uma al\u00e7a (Figura 8). Pela laparoscopia \u00e9 poss\u00edvel confirmar se a serosa e a muscular pr\u00f3pria da les\u00e3o est\u00e3o completamente apreendidas pela al\u00e7a (o ponto de fechamento da al\u00e7a fica n\u00edtido e n\u00e3o se observa as camadas serosa e muscular pr\u00f3pria junto dele).<\/p>\n\n\n\n<p>Com a les\u00e3o apreendida pelo endoscopista, o cirurgi\u00e3o faz o fechamento com sutura manual da parede ao redor da \u00e1rea dissecada (Figura 9). Completado o fechamento, utilizando corrente de corte aplicada \u00e0 al\u00e7a, a mucosa ao redor da les\u00e3o \u00e9 seccionada liberando a pe\u00e7a. Esta \u00e9 retirada por via luminal, e um segundo plano de sutura e\/ou o fechamento da mucosa com clipes podem ser realizados.<\/p>\n\n\n\n<p><strong>Vantagens:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Evita margens excessivas;<\/li>\n\n\n\n<li>Sem exposi\u00e7\u00e3o da les\u00e3o e do conte\u00fado luminal \u00e0 cavidade peritoneal;<\/li>\n\n\n\n<li>Maior facilidade nas les\u00f5es com crescimento intraluminal;<\/li>\n\n\n\n<li>N\u00e3o requer profici\u00eancia em dissec\u00e7\u00e3o endosc\u00f3pica da submucosa.<\/li>\n<\/ul>\n\n\n\n<p><strong>Limita\u00e7\u00f5es:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les\u00f5es maiores que 3 cm (n\u00e3o s\u00e3o pass\u00edveis de retirada por via oral);<\/li>\n\n\n\n<li>Menor precis\u00e3o nas margens laterais de ressec\u00e7\u00e3o da mucosa;<\/li>\n\n\n\n<li>Maior dificuldade nas les\u00f5es com crescimento extra luminal.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-8.jpg\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" width=\"862\" height=\"890\" data-id=\"6618\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-8.jpg\" alt=\"\" class=\"wp-image-6618\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-8.jpg?v=1689119048 862w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-8-291x300.jpg?v=1689119048 291w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-8-768x793.jpg?v=1689119048 768w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/Figura-8-585x604.jpg?v=1689119048 585w\" sizes=\"(max-width: 862px) 100vw, 862px\" \/><\/a><figcaption class=\"wp-element-caption\">Figura 8 \u2013 Les\u00e3o sendo empurrada pelo cirurgi\u00e3o e apreendida com uma al\u00e7a pelo endoscopista.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-16.07.18.jpeg\" data-rel=\"penci-gallery-image-content\" ><img loading=\"lazy\" decoding=\"async\" width=\"575\" height=\"339\" data-id=\"6640\" src=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-16.07.18.jpeg\" alt=\"\" class=\"wp-image-6640\" srcset=\"https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-16.07.18.jpeg?v=1689188918 575w, https:\/\/gastropedia.pub\/pt\/wp-content\/uploads\/2023\/07\/WhatsApp-Image-2023-07-12-at-16.07.18-300x177.jpeg?v=1689188918 300w\" sizes=\"(max-width: 575px) 100vw, 575px\" \/><\/a><figcaption class=\"wp-element-caption\">Figura 9 \u2013 Vis\u00e3o laparosc\u00f3pica ap\u00f3s apreens\u00e3o da les\u00e3o com al\u00e7a pelo endoscopista. Fechamento com sutura manual da parede ao redor da \u00e1rea dissecada.<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<div style=\"height:114px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Considera\u00e7\u00f5es finais e perspectivas futuras<\/strong><\/h2>\n\n\n\n<p>As les\u00f5es com indica\u00e7\u00e3o de ressec\u00e7\u00e3o de espessura total da parede n\u00e3o s\u00e3o comuns na pr\u00e1tica cl\u00ednica, e ainda apresentam diversas vari\u00e1veis que influenciam na t\u00e9cnica para sua ressec\u00e7\u00e3o. Dentre estas vari\u00e1veis, destacam-se o tamanho, a localiza\u00e7\u00e3o, o padr\u00e3o de crescimento (intraluminal ou extra luminal), o acometimento da mucosa, dentre outras. Dessa forma, estudos comparativos entre as t\u00e9cnicas com alto n\u00edvel de evid\u00eancia dificilmente ser\u00e3o realizados.<\/p>\n\n\n\n<p>A escolha da t\u00e9cnica deve basear-se em suas vantagens e limita\u00e7\u00f5es, aplicadas \u00e0s particularidades de cada caso, bem como na experi\u00eancia da equipe. Diversas s\u00e9ries e relatos de casos vem sendo publicados sugerindo serem t\u00e9cnicas seguras e reprodut\u00edveis. Exceto a \u201cCombined Gastric Full-Thickness Tumor Resection\u201d, que apesar de j\u00e1 ser realizado por nossa equipe, ainda n\u00e3o h\u00e1 publica\u00e7\u00e3o em humanos.<\/p>\n\n\n\n<p>As t\u00e9cnicas puramente endosc\u00f3picas de ressec\u00e7\u00e3o de espessura total t\u00eam demonstrado efic\u00e1cia semelhante \u00e0s t\u00e9cnicas combinadas, com poss\u00edvel menor tempo de procedimento e menor tempo de interna\u00e7\u00e3o [11]. Elas v\u00eam ganhando cada vez mais destaque na literatura, por\u00e9m ainda apresentam muitas limita\u00e7\u00f5es. Destacam-se a dificuldade de visibilidade ap\u00f3s a perfura\u00e7\u00e3o intencional do \u00f3rg\u00e3o, al\u00e9m da defici\u00eancia dos acess\u00f3rios endosc\u00f3picos dispon\u00edveis para o fechamento de defeitos maiores. Assim, devem fazer parte do arsenal terap\u00eautico para este tipo de ressec\u00e7\u00e3o, por\u00e9m atualmente n\u00e3o s\u00e3o capazes de substituir as t\u00e9cnicas combinadas.<\/p>\n\n\n\n<p>Tem se estudado a combina\u00e7\u00e3o do LECS com o mapeamento de linfonodos sentinelas. Tal associa\u00e7\u00e3o poder\u00e1 melhorar o resultado do tratamento das les\u00f5es com risco de met\u00e1stase para linfonodos, como o adenocarcinoma [3]. Conhecendo de forma mais precisa o estadiamento N, muitos pacientes se beneficiar\u00e3o de um tratamento oncologicamente correto e menos invasivo, ou ainda da necessidade de uma cirurgia mais ampla com linfadenectomia para maior probabilidade de cura.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Refer\u00eancias<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Hiki N, Yamamoto Y, Fukunaga T, Yamaguchi T, Nunobe S, Tokunaga M, Miki A, Ohyama S, Seto Y. Laparoscopic and endoscopic cooperative surgery for gastrointestinal stromal tumor dissection. Surg Endosc. 2008 Jul;22(7):1729-35.<\/li>\n\n\n\n<li>Komatsu S, Ichikawa D, Kosuga T, Okamoto K, Konishi H, Shiozaki A, Fujiwara H, Dohi O, Yagi N, Otsuji E. Clinical Impact of Laparoscopy and Endoscopy Cooperative Surgery (LECS) on Gastric Submucosal Tumor After its Standardization. Anticancer Res. 2016 Jun;36(6):3041-7.<\/li>\n\n\n\n<li>Hiki N, Nunobe S. Laparoscopic endoscopic cooperative surgery (LECS) for the gastrointestinal tract: Updated indications. Ann Gastroenterol Surg. 2019 Feb 19;3(3):239-246. doi: 10.1002\/ags3.12238. PMID: 31131352; PMCID: PMC6524076.<\/li>\n\n\n\n<li>ASGE Technology Committee, Aslanian HR et al. ASGE guideline for endoscopic full-thickness resection and submucosal tunnel endoscopic resection. VideoGIE. 2019 Jun 29;4(8):343-350.<\/li>\n\n\n\n<li>Inoue H, Ikeda H, Hosoya T, Yoshida A, Onimaru M, Suzuki M, Kudo SE. Endoscopic mucosal resection, endoscopic submucosal dissection, and beyond: full-layer resection for gastric cancer with nonexposure technique (CLEAN-NET). Surg Oncol Clin N Am. 2012 Jan;21(1):129-40.<\/li>\n\n\n\n<li>Onimaru M, Inoue H, Ikeda H, Abad MRA, Quarta Colosso BM, Shimamura Y, Sumi K, Deguchi Y, Ito H, Yokoyama N. Combination of laparoscopic and endoscopic approaches for neoplasia with non-exposure technique (CLEAN-NET) for gastric submucosal tumors: updated advantages and limitations. Ann Transl Med. 2019 Oct;7(20):582. doi: 10.21037\/atm.2019.09.19. PMID: 31807563; PMCID: PMC6861760.<\/li>\n\n\n\n<li>Goto O, Takeuchi H, Sasaki M, Kawakubo H, Akimoto T, Fujimoto A, Ochiai Y, Maehata T, Nishizawa T, Kitagawa Y, Yahagi N. Laparoscopy-assisted endoscopic full-thickness resection of gastric subepithelial tumors using a nonexposure technique. Endoscopy. 2016 Nov;48(11):1010-1015.<\/li>\n\n\n\n<li>Mitsui T, Yamashita H, Aikou S, Niimi K, Fujishiro M, Seto Y. Non-exposed endoscopic wall-inversion surgery for gastrointestinal stromal tumor. Transl Gastroenterol Hepatol. 2018 Mar 16;3:17. doi: 10.21037\/tgh.2018.03.02.<\/li>\n\n\n\n<li>Aoyama J, Goto O, Kawakubo H, Mayanagi S, Fukuda K, Irino T, Nakamura R, Wada N, Takeuchi H, Yahagi N, Kitagawa Y. Clinical outcomes of non-exposed endoscopic wall-inversion surgery for gastric submucosal tumors: long-term follow-up and functional results. Gastric Cancer. 2020 Jan;23(1):154-159.<\/li>\n\n\n\n<li>Morita FHA, Sakai CM, Kawamoto FM, de Moura EGH, Sakai P. An innovative laparoscopic and endoscopic technique in an animal model: combined gastric full-thickness tumor resection. Endosc Int Open. 2019 Apr;7(4):E440-E445.<\/li>\n\n\n\n<li>Kahaleh M, Bhagat V, Dellatore P, Tyberg A, Sarkar A, Shahid HM, Andalib I, Alkhiari R, Gaidhane M, Kedia P, Nieto J, Kumta NA, Dixon RE, Salameh H, Mavrogenis G, Bassioukas S, Abe S, Arentes VN, Morita FH, Sakai P, de Moura EG. Subepithelial tumors: How does endoscopic full-thickness resection &amp; submucosal tunneling with endoscopic resection compare with laparoscopic endoscopic cooperative surgery? Endosc Int Open. 2022 Nov 15;10(11):E1491-E1496.<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Como citar este artigo<\/h2>\n\n\n\n<p class=\"has-background\" style=\"background-color:#ced3d9\">Morita FHA, T\u00e9cnicas combinadas para ressec\u00e7\u00e3o localizada de espessura total da parede do trato gastrointestinal \u2013 \u201cLaparoscopic and Endoscopic Cooperative Surgery\u201d (LECS). Gastropedia 2023, vol 2. Dispon\u00edvel em: <br>gastropedia.pub\/pt\/cirurgia\/esofago-estomago-duodeno\/tecnicas-combinadas-para-resseccao-localizada-de-espessura-total-da-parede-do-trato-gastrointestinal-laparoscopic-and-endoscopic-cooperative-surgery-lecs\/<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introdu\u00e7\u00e3o A combina\u00e7\u00e3o da endoscopia e da laparoscopia para ressec\u00e7\u00f5es localizadas de espessura total do trato gastrointestinal foi descrita pela primeira vez em 2008 por Hiki et al [1]. Essa&hellip;<\/p>\n","protected":false},"author":5699,"featured_media":6638,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[24,27],"tags":[],"ano":[137],"tipo":[121],"volume":[44],"class_list":["post-6629","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cirurgia","category-esofago-estomago-duodeno","ano-137","tipo-assuntos-gerais","volume-volume-ii"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>T\u00e9cnicas combinadas para ressec\u00e7\u00e3o localizada de espessura total da parede do trato gastrointestinal \u2013 \u201cLaparoscopic and Endoscopic Cooperative Surgery\u201d (LECS) - Gastropedia<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gastropedia.pub\/pt\/cirurgia\/esofago-estomago-duodeno\/tecnicas-combinadas-para-resseccao-localizada-de-espessura-total-da-parede-do-trato-gastrointestinal-laparoscopic-and-endoscopic-cooperative-surgery-lecs\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u00e9cnicas combinadas para ressec\u00e7\u00e3o localizada de espessura total da parede do trato gastrointestinal \u2013 \u201cLaparoscopic and Endoscopic Cooperative Surgery\u201d (LECS)\" \/>\n<meta property=\"og:description\" content=\"Introdu\u00e7\u00e3o A combina\u00e7\u00e3o da endoscopia e da laparoscopia para ressec\u00e7\u00f5es localizadas de espessura total do trato gastrointestinal foi descrita pela primeira vez em 2008 por Hiki et al [1]. 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