{"id":3478,"date":"2016-04-18T10:00:36","date_gmt":"2016-04-18T10:00:36","guid":{"rendered":"https:\/\/endoscopiaterapeutica.net\/pt\/uncategorized\/doppler-endoscopico-na-ulcera-peptica-hemorragica\/"},"modified":"2021-09-22T12:26:19","modified_gmt":"2021-09-22T12:26:19","slug":"doppler-endoscopico-na-ulcera-peptica-hemorragica","status":"publish","type":"post","link":"https:\/\/endoscopiaterapeutica.net\/pt\/artigoscomentados\/doppler-endoscopico-na-ulcera-peptica-hemorragica\/","title":{"rendered":"Doppler endosc\u00f3pico na \u00falcera p\u00e9ptica hemorr\u00e1gica"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>Artigo publicado em jan\/2016 na Gastrointestinal Endoscopy<\/p>\n<p>As \u00falceras p\u00e9pticas s\u00e3o a principal causa de HDA. Aproximadamente 10-15% das UP apresentam ressangramento.<\/p>\n<p>Os guidelines recomendam a classifica\u00e7\u00e3o das \u00falceras p\u00e9pticas hemorr\u00e1gicas conforme a classifica\u00e7\u00e3o de Forrest, e a identifica\u00e7\u00e3o de <strong>estigmas de alto risco para ressangramento<\/strong>:<\/p>\n<ul>\n<li>Sangramento ativo em jato (IA)<\/li>\n<li>Vaso vis\u00edvel (IIa)<\/li>\n<li>\u00dalcera com co\u00e1gulo aderido (IIb)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>No entanto, estas classifica\u00e7\u00f5es est\u00e3o sujeitas a variabilidade interobservadores, particularmente no que diz respeito a sangramento em porejamento (Forrest Ib) e vaso vis\u00edvel (Forrest IIa), nas quais a concord\u00e2ncia entre observadores \u00e9 baixa (k= .42 e .34, respectivamente).<\/p>\n<p>O <strong>Probe de Doppler Endosc\u00f3pico (DEP)<\/strong> foi aprovado em 2003 pelo FDA e consiste em uma unidade port\u00e1til de doppler com um cateter descart\u00e1vel que passa pelo canal de trabalho do endosc\u00f3pio, e atrav\u00e9s de um sinal sonoro pode detectar a localiza\u00e7\u00e3o e inclusive o tipo de fluxo sangu\u00edneo (se arterial ou venoso).<\/p>\n<p>Os autores deste estudo (Los Angeles, CA) imaginaram que o uso do doppler endosc\u00f3pico poderia ser um m\u00e9todo com maior acur\u00e1cia para determinar o risco de ressangramento de uma \u00falcera hemorr\u00e1gica e para avaliar o resultado imediato da hemostasia endosc\u00f3pica.<\/p>\n<p><strong>M\u00c9TODOS<\/strong><\/p>\n<ul>\n<li>Estudo prospectivo realizado de 2008-2013 com 163 pacientes;<\/li>\n<li>Pacientes com HDA grave (hemat\u00eamese, melena, instabilidade hemodin\u00e2mica, necessidade de transfus\u00e3o sangu\u00ednea);<\/li>\n<li>Ap\u00f3s limpeza do local, o probe era direcionado para o local com estigmas de sangramento, e depois deslocado 5-10 mm em dire\u00e7\u00e3o aos quatro quadrantes da \u00falcera.<\/li>\n<li>O sinal arterial positivo \u00e9 aud\u00edvel como um sinal sonoro de press\u00e3o arterial (\u201cswish-swish\u201d)<\/li>\n<li>Terapia endosc\u00f3pica empregada: t\u00e9rmica (probe multipolar) ou hemoclipes, com ou sem associa\u00e7\u00e3o com inje\u00e7\u00e3o de epinefrina (1:20.000)<\/li>\n<li>\u00dalceras com base limpa ou com flat spots n\u00e3o eram tratadas se o doppler fosse negativo. No entanto, se o doppler fosse positivo, os autores utilizaram inje\u00e7\u00e3o de solu\u00e7\u00e3o de adrenalina (monoterapia)<\/li>\n<li>Ap\u00f3s o tratamento endosc\u00f3pico o estudo com doppler era repetido dentro de 5 min.<\/li>\n<li>Pacientes com estigmas de alto risco (IA, IIa e IIb) eram mantidos com IBP em bomba de infus\u00e3o (80 mg em bolus, seguido de 8mg\/h por 72 horas)<\/li>\n<li>Pacientes com estigmas de baixo risco (Ib, IIc e III) eram mantidos com IBP 12\/12h (oral ou IV).<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>RESULTADOS<\/strong><\/p>\n<p>O doppler positivo antes do tratamento endosc\u00f3pico, foi mais comum nos pacientes com estigmas de alto risco:<\/p>\n<ul>\n<li>IA + IIA + IIB = 87.4%<\/li>\n<li>IB + IIC = 42.3%<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Ap\u00f3s o tratamento endosc\u00f3pico, houve expressiva redu\u00e7\u00e3o da detec\u00e7\u00e3o de fluxo arterial pelo doppler, mas 35.7% dos pacientes F IA e 27,4% dos pacientes F IIA ainda apresentavam doppler +:<\/p>\n<ul>\n<li>F IA = 35.7%<\/li>\n<li>FIIA = 27.4%<\/li>\n<li>FIIB = 18.8%<\/li>\n<li>F IIC = 20%<\/li>\n<li>F IB = 0%<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Ressangramento: os autores s\u00f3 compararam o ressangramento entre pacientes com FIA (28.6%) e FIB (0%)<\/p>\n<p>&nbsp;<\/p>\n<p><strong>DISCUSS\u00c3O<\/strong><\/p>\n<p>Os resultados deste estudo abrem novas perspectivas no tratamento das \u00falceras hemorr\u00e1gicas. H\u00e1 4 d\u00e9cadas a classifica\u00e7\u00e3o de Forrest vem sendo utilizada para nortear o tratamento e estimar o risco de ressangramento. Talvez, o uso do DEP traga uma medida mais objetiva e com menor variabilidade interobservadores para determinar o risco de ressangramento e para avaliar o resultado da hemostasia endosc\u00f3pica.<\/p>\n<p>Um estudo com pequeno n\u00famero de pacientes em 2004, n\u00e3o mostrou diminui\u00e7\u00e3o das taxas de ressangramento quando a \u00falcera era tratada at\u00e9 o desaparecimento do sinal no doppler. No entanto, este estudo utilizou apenas solu\u00e7\u00e3o de adrenalina, a qual apresenta resultado inferior \u00e0s terapias combinadas.<\/p>\n<p>Futuros estudos ser\u00e3o necess\u00e1rios para determinar se o DEP deve ser utilizado como endpoint da terapia endosc\u00f3pica.<\/p>\n<p>Por um lado, a aus\u00eancia de fluxo detect\u00e1vel talvez esteja relacionada com boa hemostasia e menor ressangramento. Talvez!<\/p>\n<p>Por outro lado, nem toda \u00falcera com fluxo detect\u00e1vel ap\u00f3s tratamento endosc\u00f3pico vai ressangrar. Desta forma, \u201csuper tratar\u201d a \u00falcera at\u00e9 o desaparecimento do fluxo ao doppler pode levar a maior risco de complica\u00e7\u00f5es.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><a href=\"http:\/\/www.giejournal.org\/article\/S0016-5107(15)02658-9\/abstract\" target=\"_blank\" rel=\"noopener\">Jensen DM, Ohning GV, Kovacs TO, Ghassemi KA, Jutabha R, Dulai GS, Machicado GA.\u00a0Doppler endoscopic probe as a guide to risk stratification and definitive\u00a0hemostasis of peptic ulcer bleeding.\u00a0Gastrointest Endosc. 2016 Jan;83(1):129-36.<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Artigo publicado em jan\/2016 na Gastrointestinal Endoscopy As \u00falceras p\u00e9pticas s\u00e3o a principal&hellip;<\/p>\n","protected":false},"author":712,"featured_media":3473,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[142],"tags":[],"ano":[281],"tipo":[153],"volume":[263],"class_list":["post-3478","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-artigoscomentados","ano-281","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) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Doppler endosc\u00f3pico na \u00falcera p\u00e9ptica hemorr\u00e1gica &#8226; Endoscopia Terapeutica<\/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:\/\/endoscopiaterapeutica.net\/pt\/artigoscomentados\/doppler-endoscopico-na-ulcera-peptica-hemorragica\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Doppler endosc\u00f3pico na \u00falcera p\u00e9ptica hemorr\u00e1gica\" \/>\n<meta property=\"og:description\" content=\"&nbsp; Artigo publicado em jan\/2016 na Gastrointestinal Endoscopy As \u00falceras p\u00e9pticas s\u00e3o a principal causa de HDA. 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