{"id":4916,"date":"2021-05-14T09:00:56","date_gmt":"2021-05-14T09:00:56","guid":{"rendered":"https:\/\/endoscopiaterapeutica.net\/pt\/uncategorized\/estudo-comparativo-rct-entre-realizacao-de-esd-para-remocao-de-neoplasia-gastrica-precoce-atraves-de-metodo-convencional-e-esd-com-auxilio-de-metodo-de-tracao\/"},"modified":"2022-06-17T12:45:27","modified_gmt":"2022-06-17T12:45:27","slug":"estudo-comparativo-rct-entre-realizacao-de-esd-para-remocao-de-neoplasia-gastrica-precoce-atraves-de-metodo-convencional-e-esd-com-auxilio-de-metodo-de-tracao","status":"publish","type":"post","link":"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/estudo-comparativo-rct-entre-realizacao-de-esd-para-remocao-de-neoplasia-gastrica-precoce-atraves-de-metodo-convencional-e-esd-com-auxilio-de-metodo-de-tracao\/","title":{"rendered":"Estudo comparativo (RCT) entre realiza\u00e7\u00e3o de ESD para remo\u00e7\u00e3o de neoplasia g\u00e1strica precoce atrav\u00e9s de m\u00e9todo convencional e ESD com aux\u00edlio de m\u00e9todo de tra\u00e7\u00e3o"},"content":{"rendered":"<p><strong>Artigo original:<\/strong><span style=\"font-weight: 400;\"> Comparing a conventional and a spring-and-loop with clip traction method of endoscopic submucosal dissection for superficial gastric neoplasms: a randomized controlled trial (with videos). Nagata M, Fujikawa T, Munakata H. Gastrointest Endosc. 2021 May;93(5):1097-1109.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u00e9cnicas de <\/span><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/disseccao-endoscopica-submucosa-esd-dicas-para-iniciar-e-aprimorar-a-tecnica\/\"><span style=\"font-weight: 400;\">dissec\u00e7\u00e3o endosc\u00f3pica da submucosa<\/span><\/a><span style=\"font-weight: 400;\"> permitem o tratamento de les\u00f5es neopl\u00e1sicas precoces, com vasto suporte na literatura sobre efic\u00e1cia, seguran\u00e7a e menor taxa de recorr\u00eancia que outros m\u00e9todos endosc\u00f3picos, seguindo os crit\u00e9rios adequados para indica\u00e7\u00e3o do procedimento. Na pr\u00e1tica, observamos que a dificuldade t\u00e9cnica inerente ao procedimento e tempo prolongado para sua realiza\u00e7\u00e3o acabam por limitar as indica\u00e7\u00f5es, sendo realizado apenas por alguns <\/span><i><span style=\"font-weight: 400;\">experts<\/span><\/i><span style=\"font-weight: 400;\">. A incapacidade de realizar contratra\u00e7\u00e3o do tecido a ser removido \u00e9 citada por v\u00e1rios como uma das principais dificuldades do procedimento.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Existem algumas publica\u00e7\u00f5es mostrando dispositivos diferentes com o objetivo de promover contratra\u00e7\u00e3o utilizando fios, clips, el\u00e1sticos ou, at\u00e9 mesmo, magnetos. No estudo em quest\u00e3o, foi utilizado um dispositivo que consiste em uma mola acoplada a um <\/span><i><span style=\"font-weight: 400;\">loop<\/span><\/i><span style=\"font-weight: 400;\"> em uma extremidade e um clip na outra, sendo denominado apenas como \u201cmola\u201d no decorrer do texto. A tra\u00e7\u00e3o \u00e9 realizada ancorando o clip do pr\u00f3prio dispositivo na les\u00e3o e utilizando um clip convencional para apreender o <\/span><i><span style=\"font-weight: 400;\">loop<\/span><\/i><span style=\"font-weight: 400;\">, desloc\u00e1-lo ao local desejado e ancorar no tecido g\u00e1strico com o clip.<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-7731 aligncenter\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/05\/1-300x103.png\" alt=\"\" width=\"515\" height=\"177\" srcset=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/05\/1-300x103.png 300w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/05\/1-1024x352.png 1024w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/05\/1-768x264.png 768w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/05\/1-1170x403.png 1170w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/05\/1-585x201.png 585w, https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/05\/1.png 1229w\" sizes=\"(max-width: 515px) 100vw, 515px\" \/><\/p>\n<p style=\"text-align: center;\">Figura 1 \u2013 Legenda : Dispositivo loop-mola-clip (SLC, Zeon Medical, Tokyo-Jap\u00e3o) com mola de 5 mm (extens\u00edvel at\u00e9 8 cm), loop de 4 mm e clip met\u00e1lico.<\/p>\n<h2>M\u00e9todos<\/h2>\n<p><span style=\"font-weight: 400;\">Estudo prospectivo, em \u00fanico centro, randomizado, envolvendo o <\/span><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/artigoscomentados\/artigo-comentado-resultados-a-longo-prazo-do-tratamento-endoscopico-vs-cirurgico-para-neoplasia-gastrica-precoce\/\"><span style=\"font-weight: 400;\">tratamento de neoplasia g\u00e1strica<\/span><\/a><span style=\"font-weight: 400;\"> precoce atrav\u00e9s de dois bra\u00e7os \u2013 ESD convencional (ESD-C) e ESD com loop-mola-clip (ESD-M).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A randomiza\u00e7\u00e3o foi realizada com aux\u00edlio de software, por\u00e9m os pacientes e pesquisadores tinham conhecimento sobre os grupos (n\u00e3o cego).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Foram avaliados, como objetivo prim\u00e1rio, o tempo do procedimento em minutos e, como objetivos secund\u00e1rios, taxas de efeitos adversos, ressec\u00e7\u00e3o <\/span><i><span style=\"font-weight: 400;\">en bloc<\/span><\/i><span style=\"font-weight: 400;\">, avalia\u00e7\u00e3o histol\u00f3gica da amostra e dados referentes ao dispositivo de mola, os quais foram detalhados em:<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400;\">a) tempo de libera\u00e7\u00e3o do dispositivo \u2013 tempo entre visualiza\u00e7\u00e3o do clip no monitor e fixa\u00e7\u00e3o na parede g\u00e1strica para promover tra\u00e7\u00e3o. Havendo necessidade de reposicionamento, esse tempo tamb\u00e9m foi inclu\u00eddo;<\/span><\/li>\n<li><span style=\"font-weight: 400;\">b) dano tecidual \u2013 presen\u00e7a de lacera\u00e7\u00f5es ou ruptura do tecido relacionada ao dispositivo de tra\u00e7\u00e3o durante ESD;<\/span><\/li>\n<li><span style=\"font-weight: 400;\">c) quebra do dispositivo \u2013 perda da elasticidade da mola.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Crit\u00e9rios de inclus\u00e3o: aus\u00eancia de cirurgia g\u00e1strica, confirma\u00e7\u00e3o histol\u00f3gica de adenoma ou adenocarcinoma precoce por bi\u00f3psias pr\u00e9vias, de acordo com o esquema abaixo:<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400;\">a) carcinoma diferenciado de qualquer tamanho, sem ulcera\u00e7\u00e3o\/cicatriz;<\/span><\/li>\n<li><span style=\"font-weight: 400;\">b) carcinoma diferenciado \u2264 30 mm, com ulcera\u00e7\u00e3o\/cicatriz;<\/span><\/li>\n<li><span style=\"font-weight: 400;\">c) carcinoma indiferenciado \u2264 20 mm, sem ulcera\u00e7\u00e3o\/cicatriz.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Todos os procedimentos foram realizados por um \u00fanico endoscopista, <\/span><i><span style=\"font-weight: 400;\">expert<\/span><\/i><span style=\"font-weight: 400;\"> em dissec\u00e7\u00e3o endosc\u00f3pica da submucosa com mais de 750 casos de ESD convencional e mais de 50 casos de ESD-M. Os procedimentos foram realizados com insufla\u00e7\u00e3o de CO2, utilizando overtube, gastrosc\u00f3pio convencional e cap.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A t\u00e9cnica de ESD convencional n\u00e3o utilizou qualquer dispositivo de tra\u00e7\u00e3o, t\u00e9cnicas underwater ou pocket<\/span><i><span style=\"font-weight: 400;\">.<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">A t\u00e9cnica de ESD-M foi realizada da seguinte forma, resumidamente:<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400;\"> Marca\u00e7\u00e3o da les\u00e3o de forma convencional.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Avalia\u00e7\u00e3o da melhor forma de ressec\u00e7\u00e3o, atrav\u00e9s de vis\u00e3o frontal ou retrovers\u00e3o.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Posicionamento da mola na les\u00e3o de acordo com o acesso para ESD:<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">vis\u00e3o frontal \u2013 mola na face proximal\/oral da les\u00e3o;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">retrovers\u00e3o \u2013 mola na face distal\/anal da les\u00e3o.<\/span><\/li>\n<\/ul>\n<ol start=\"4\">\n<li><span style=\"font-weight: 400;\"> Ap\u00f3s posicionamento de uma extremidade do dispositivo, um clipador convencional era utilizado para apreender o loop e fix\u00e1-lo na posi\u00e7\u00e3o desejada.<\/span><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nos casos em que a dissec\u00e7\u00e3o foi realizada em retrovers\u00e3o, foi necess\u00e1rio avaliar o local de posicionamento do clip na parede g\u00e1strica para reduzir o risco de deslocamento ou tra\u00e7\u00e3o exagerada do dispositivo com a mobiliza\u00e7\u00e3o do endosc\u00f3pio.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/1620328394_2.png\" data-rel=\"penci-gallery-image-content\" ><img decoding=\"async\" class=\"aligncenter wp-image-13890 size-full\" src=\"https:\/\/endoscopiaterapeutica.net\/pt\/wp-content\/uploads\/2021\/08\/1620328394_2.png\" alt=\"\" width=\"700\" height=\"401\"><\/a><\/p>\n<p style=\"text-align: center;\">Figura 2 \u2013 imagens demonstrando localiza\u00e7\u00e3o da les\u00e3o e posicionamento do dispositivo de mola para auxiliar na tra\u00e7\u00e3o durante ESD-M. V\u00eddeo dispon\u00edvel em www.giejournal.org (artigo completo dispon\u00edvel gratuitamente).<\/p>\n<h2>Resultados<\/h2>\n<p><span style=\"font-weight: 400;\">Foram selecionados, inicialmente, 87 pacientes, sendo exclu\u00eddos 7 (recusa em participar, n\u00e3o atendimento aos crit\u00e9rios de indica\u00e7\u00e3o, outras causas), totalizando 80 pacientes, 40 em cada bra\u00e7o do estudo \u2013 todos esses completaram o estudo e tiveram seus dados analisados.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">O perfil dos pacientes foi muito semelhante entre o grupo de ESD-M e ESD-C em idade (75,3 x 74,6) e predomin\u00e2ncia de sexo masculino (75% vs. 72,5%), respectivamente. As outras caracter\u00edsticas das les\u00f5es tamb\u00e9m foram bastante uniformes.<\/span><\/p>\n<div class=\"pcrstb-wrap\"><table>\n<tbody>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><b>ESD-M (n=40)<\/b><\/td>\n<td><b>ESD-C (n=40)<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Tamanho les\u00e3o (mm)<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Mean (Range)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15,9 (5-48)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15,7 (1,4-45)<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><b>Localiza\u00e7\u00e3o<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Proximal<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7 (17,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6 (15%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e9dio<\/span><\/td>\n<td><span style=\"font-weight: 400;\">19 (47,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">19 (47,5%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Distal<\/span><\/td>\n<td><span style=\"font-weight: 400;\">14 (35%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15 (37,5%)<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\"><b>Posi\u00e7\u00e3o<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Grande curvatura<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10 (25%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7 (17,5%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Pequena curvatura<\/span><\/td>\n<td><span style=\"font-weight: 400;\">19 (47,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15 (37,5%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Parede anterior<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6 (15%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7 (17,5%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Parede posterior<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5 (12,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">11 (27,5%)<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><b>Morfologia<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Deprimida (0-IIc; 0-III)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">19 (47,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">24 (60%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Plana (0-IIb)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1 (2,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2 (5%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Elevada (0-I; 0-IIa)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">20 (50%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">14 (35%)<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><b>Histologia<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Adenoma<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6 (15%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7 (17,5%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Adenocarcinoma diferenciado<\/span><\/td>\n<td><span style=\"font-weight: 400;\">34 (85%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">30 (75%)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Adenocarcinoma n\u00e3o diferenciado<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0 (0%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3 (7,5%)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Em rela\u00e7\u00e3o ao uso do dispositivo de aplica\u00e7\u00e3o da mola, foi evidenciado tempo de libera\u00e7\u00e3o m\u00e9dio de 1,82 minutos (0,8 a 4,25). N\u00e3o houve dano ao tecido a ser ressecado, e todas as \u00e2ncoras foram removidas ao t\u00e9rmino do procedimento. Foi necess\u00e1rio usar um segundo dispositivo (m\u00e9dia de 1,15) em 15% dos casos (n=6) por soltura do dispositivo (n=1), falha em fixar o dispositivo (n=2) e necessidade de tra\u00e7\u00e3o adicional (n=3).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Foi observado menor tempo para realiza\u00e7\u00e3o de ESD-M e maior velocidade de dissec\u00e7\u00e3o neste grupo, ambos com diferen\u00e7as estatisticamente significantes. N\u00e3o houve diferen\u00e7a entre taxas de ressec\u00e7\u00e3o en bloc, perfura\u00e7\u00e3o e efeitos adversos. Os resultados est\u00e3o dispostos na tabela abaixo.<\/span><\/p>\n<div class=\"pcrstb-wrap\"><table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<td><b>ESD-M (n=40)<\/b><\/td>\n<td><b>ESD-C (n=40)<\/b><\/td>\n<td><b>p-value<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">ESD procedure time<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mean (Range)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">42,9 (10,4-125,1)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">61.7 (13,6-217,3)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,019<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Dissection speed, mm2\/min<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mean (Range)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">28,1 (9-66,6)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1,5 (5,8-40,4)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;0,001<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Specimen size, mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mean (Range)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">36,1 (22-61)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">37 (22-67)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,705<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><span style=\"font-weight: 400;\">Depth (size,mm \/ %)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mucosa<\/span><\/td>\n<td><span style=\"font-weight: 400;\">33 (82.5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">34 (85%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,415<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Submucosa &lt;500 \u00b5m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1 (2,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3 (7,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Submucosa \u2265500 \u00b5m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6 (15%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3 (7,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Presence of ulceration<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7 (17,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7 (17,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">En bloc resection<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<td><span style=\"font-weight: 400;\">40 (100%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">40 (100%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Complete resection<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<td><span style=\"font-weight: 400;\">36 (90%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">39 (97,5%)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,359<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><span style=\"font-weight: 400;\">Adverse events<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Post-ESD bleeding<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2 (5)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3 (7,5)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Perforation<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Others<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&nbsp;<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Houve diferen\u00e7a no posicionamento do endosc\u00f3pio para a realiza\u00e7\u00e3o da dissec\u00e7\u00e3o endosc\u00f3pica, sendo observada prefer\u00eancia por abordagem frontal no grupo de ESD-M e uma equival\u00eancia entre abordagem frontal e retrovers\u00e3o no grupo de ESD-C.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Na an\u00e1lise de subgrupo, foi constatada vantagem para o grupo de ESD-M, com tempo menor para realiza\u00e7\u00e3o do procedimento para les\u00f5es nos ter\u00e7os superiores e les\u00f5es menores que 20 mm.<\/span><\/p>\n<h2>Coment\u00e1rios<\/h2>\n<p><span style=\"font-weight: 400;\">Modifica\u00e7\u00f5es na t\u00e9cnica e desenvolvimento de novos dispositivos, como o descrito no trabalho, t\u00eam potencial muito grande de trazer aux\u00edlio para a realiza\u00e7\u00e3o de ESD, facilitando sua reprodutibilidade e ampliando as indica\u00e7\u00f5es.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Foi discutido no artigo que n\u00e3o houve diferen\u00e7a significativa no tempo de execu\u00e7\u00e3o entre ESD convencional e tipo ESD-M para les\u00f5es em ter\u00e7o distal do est\u00f4mago, no entanto, esta posi\u00e7\u00e3o \u00e9 mais favor\u00e1vel para a dissec\u00e7\u00e3o, potencialmente reduzindo as vantagens do uso do dispositivo tipo mola. Apesar dessa cita\u00e7\u00e3o, \u00e9 importante observar que o <\/span><i><span style=\"font-weight: 400;\">expert<\/span><\/i><span style=\"font-weight: 400;\"> j\u00e1 realizou mais de 800 casos de ESD, possuindo t\u00e9cnica e habilidade suficiente para a realiza\u00e7\u00e3o dos procedimentos de maneira r\u00e1pida e segura. Para m\u00e9dicos com menor experi\u00eancia, \u00e9 poss\u00edvel imaginar que os resultados entre ESD-M e ESD-C sejam ainda mais distintos.<\/span><\/p>\n<h3>Como citar este artigo<\/h3>\n<p><span style=\"font-weight: 400;\">Ferreira F. Estudo comparativo (RCT) entre realiza\u00e7\u00e3o de ESD para remo\u00e7\u00e3o de neoplasia g\u00e1strica precoce atrav\u00e9s de m\u00e9todo convencional vs ESD com aux\u00edlio de m\u00e9todo de tra\u00e7\u00e3o. Endoscopia Terap\u00eautica; 2021. Dispon\u00edvel em: https:\/\/endoscopiaterapeutica.net\/pt\/assuntosgerais\/estudo-comparativo-rct-entre-realizacao-de-esd-para-remocao-de-neoplasia-gastrica-precoce-atraves-de-metodo-convencional-e-esd-com-auxilio-de-metodo-de-tracao<\/span><\/p>\n<h3>Refer\u00eancias<\/h3>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nagata M, Fujikawa T, Munakata H. Comparing a conventional and a spring-and-loop with clip traction method of endoscopic submucosal dissection for superficial gastric neoplasms: a randomized controlled trial (with videos). Gastrointest Endosc. 2021 May;93(5):1097-1109. Epub 2020 Oct 12<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Okagawa Y, Abe S, Takamaru H, Sekiguchi M, Yamada M, Sakamoto T, Saito Y. A novel technique for adjusting traction direction during colorectal endoscopic submucosal dissection using S-O clip. Endoscopy. 2021 May;53(5):E177-E178. doi: 10.1055\/a-1216-1167. Epub 2020 Aug 20. PMID: 32818993.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Acesse o <\/span><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/\"><span style=\"font-weight: 400;\">Endoscopia Terap\u00eautica<\/span><\/a><span style=\"font-weight: 400;\"> para tomar contato com mais <\/span><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/artigos-comentados\/\"><span style=\"font-weight: 400;\">artigos comentados<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/assuntos-gerais\/\"><span style=\"font-weight: 400;\">assuntos gerais<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/casos-clinicos\/\"><span style=\"font-weight: 400;\">casos cl\u00ednicos<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/quizes\/\"><span style=\"font-weight: 400;\">quizzes<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/endoscopiaterapeutica.net\/pt\/classificacoes\/\"><span style=\"font-weight: 400;\">classifica\u00e7\u00f5es<\/span><\/a><span style=\"font-weight: 400;\"> e mais!<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Artigo original: Comparing a conventional and a spring-and-loop with clip traction method of endoscopic&hellip;<\/p>\n","protected":false},"author":1897,"featured_media":7733,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[151],"tags":[],"ano":[262],"tipo":[153],"volume":[263],"class_list":["post-4916","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-assuntosgerais","ano-262","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) - 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