{"id":1790,"date":"2025-11-13T14:42:21","date_gmt":"2025-11-13T11:42:21","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/?post_type=diseases_post&#038;p=1790"},"modified":"2025-12-10T11:42:20","modified_gmt":"2025-12-10T08:42:20","slug":"trombose-venosa-profunda","status":"publish","type":"diseases_post","link":"https:\/\/wiki.dev.voka.io\/pt\/doencas\/vasculares\/trombose-venosa-profunda\/","title":{"rendered":"Tromboflebite: etiologia, patog\u00eanese, sintomas, diagn\u00f3stico, tratamento"},"content":{"rendered":"<p><?xml encoding=\"UTF-8\" ?><\/p>\n<p>A tromboflebite \u00e9 a forma\u00e7\u00e3o de um co\u00e1gulo sangu\u00edneo no sistema venoso, mais comumente nas veias profundas dos membros inferiores, com interrup\u00e7\u00e3o parcial ou completa do fluxo sangu\u00edneo. O termo trombose venosa profunda (TVP) \u00e9 frequentemente usado na literatura internacional.<\/p>\n<h2 class=\"wp-block-heading\" id=\"epidemiologia\">Epidemiologia<\/h2>\n<p>A principal causa da forma\u00e7\u00e3o de um co\u00e1gulo sangu\u00edneo \u00e9 uma desordem em um dos fatores da tr\u00edade de Virchow: estase sangu\u00ednea, les\u00e3o da parede vascular e hipercoagulabilidade.<\/p>\n<h3 class=\"wp-block-heading\" id=\"causas-da-trombose-venosa-profunda\">Causas da trombose venosa profunda<\/h3>\n<p>Os fatores etiol\u00f3gicos podem atuar individualmente ou em conjunto, levando \u00e0 forma\u00e7\u00e3o de co\u00e1gulos sangu\u00edneos no sistema venoso.<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Diminui\u00e7\u00e3o da velocidade do fluxo sangu\u00edneo venoso<\/strong>: imobiliza\u00e7\u00e3o prolongada, viagens a\u00e9reas, repouso no leito, insufici\u00eancia venosa cr\u00f4nica.<\/li>\n<li><strong>Les\u00e3o endotelial<\/strong>: cirurgia, trauma, cateteres, flebotrombose.<\/li>\n<li><strong>Hipercoagulabilidade<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Cong\u00eanita: defici\u00eancia de antitrombina III, prote\u00ednas C\/S, muta\u00e7\u00e3o do fator V (Leiden), muta\u00e7\u00e3o da protrombina.<\/li>\n<li>Adquirida: c\u00e2ncer, gravidez, s\u00edndrome antifosfolip\u00eddica, uso de contraceptivos orais.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Fatores adicionais<\/strong>: obesidade, tabagismo, doen\u00e7as inflamat\u00f3rias cr\u00f4nicas.<\/li>\n<\/ul>\n<p>A forma\u00e7\u00e3o de co\u00e1gulos sangu\u00edneos come\u00e7a com a ativa\u00e7\u00e3o das plaquetas e da cascata de coagula\u00e7\u00e3o em resposta a danos na parede vascular ou estase sangu\u00ednea. <\/p>\n<h3 class=\"wp-block-heading\" id=\"estagios-da-trombose\">Est\u00e1gios da trombose<\/h3>\n<h4 class=\"wp-block-heading\" id=\"h-1-\u0430\u043a\u0442\u0438\u0432\u0438\u0437\u0430\u0446\u0438\u044f-\u0442\u0440\u043e\u043c\u0431\u043e\u0446\u0438\u0442\u043e\u0432\">1. Ativa\u00e7\u00e3o das plaquetas<\/h4>\n<p>Quando o endot\u00e9lio da veia \u00e9 danificado, as plaquetas s\u00e3o ativadas e come\u00e7am a aderir \u00e0 \u00e1rea danificada da parede vascular. Neste caso, as plaquetas:<\/p>\n<ul class=\"wp-block-list\">\n<li>Liberam subst\u00e2ncias que ativam a coagula\u00e7\u00e3o sangu\u00ednea (por exemplo, tromboxanos e serotonina).<\/li>\n<li>A ativa\u00e7\u00e3o de plaquetas promove a libera\u00e7\u00e3o de adenosina difosfato, que ativa outras plaquetas e aumenta a agrega\u00e7\u00e3o.<\/li>\n<li>Forma-se um tamp\u00e3o de plaquetas prim\u00e1rio, que come\u00e7a a restringir o fluxo sangu\u00edneo na \u00e1rea lesionada.<\/li>\n<\/ul>\n<h4 class=\"wp-block-heading\" id=\"h-2-\u0430\u043a\u0442\u0438\u0432\u0430\u0446\u0438\u044f-\u043a\u043e\u0430\u0433\u0443\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e-\u043a\u0430\u0441\u043a\u0430\u0434\u0430\">2. Ativa\u00e7\u00e3o da cascata de coagula\u00e7\u00e3o<\/h4>\n<p>A ativa\u00e7\u00e3o do sistema de coagula\u00e7\u00e3o leva \u00e0 forma\u00e7\u00e3o de fibrina, o principal componente do co\u00e1gulo sangu\u00edneo:<\/p>\n<ul class=\"wp-block-list\">\n<li>A trombina, formada durante a ativa\u00e7\u00e3o da coagula\u00e7\u00e3o, converte o fibrinog\u00eanio em fibrina, o que forma uma rede que ancora as plaquetas e estabiliza o co\u00e1gulo.<\/li>\n<li>Esse processo ocorre em v\u00e1rias etapas, incluindo a ativa\u00e7\u00e3o dos fatores de coagula\u00e7\u00e3o (V, VII, IX, X e protrombina).<\/li>\n<\/ul>\n<h4 class=\"wp-block-heading\" id=\"h-3-\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435-\u043f\u0435\u0440\u0432\u0438\u0447\u043d\u043e\u0433\u043e-\u0438-\u0432\u0442\u043e\u0440\u0438\u0447\u043d\u043e\u0433\u043e-\u0442\u0440\u043e\u043c\u0431\u0430\">3. Forma\u00e7\u00e3o de co\u00e1gulos sangu\u00edneos prim\u00e1rios e secund\u00e1rios<\/h4>\n<ul class=\"wp-block-list\">\n<li>Co\u00e1gulo sangu\u00edneo prim\u00e1rio: primeiramente, forma-se um tamp\u00e3o de fibrina rica em plaquetas, que n\u00e3o \u00e9 estruturalmente est\u00e1vel.<\/li>\n<li>Co\u00e1gulo sangu\u00edneo secund\u00e1rio: a rede de fibrina estabiliza o co\u00e1gulo. Nesse momento outros componentes do sangue, como gl\u00f3bulos brancos e gl\u00f3bulos vermelhos, come\u00e7am a participar, resultando em um co\u00e1gulo mais organizado e maduro. O co\u00e1gulo fica mais espesso e melhor fixado no l\u00famen vascular.<\/li>\n<\/ul>\n<h4 class=\"wp-block-heading\" id=\"h-4-\u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f-\u0442\u0440\u043e\u043c\u0431\u0430\">4. A organiza\u00e7\u00e3o do co\u00e1gulo sangu\u00edneo<\/h4>\n<p>Com o tempo, fibroblastos e c\u00e9lulas endoteliais brotam no co\u00e1gulo e fibras de col\u00e1geno s\u00e3o formadas. Esse processo pode levar ao desenvolvimento de fibrose e calcifica\u00e7\u00e3o do co\u00e1gulo sangu\u00edneo, o que pode causar altera\u00e7\u00f5es cr\u00f4nicas na parede venosa e o desenvolvimento da s\u00edndrome p\u00f3s-tromb\u00f3tica.<\/p>\n<h4 class=\"wp-block-heading\" id=\"h-5-\u043f\u0440\u043e\u0433\u0440\u0435\u0441\u0441\u0438\u044f-\u0442\u0440\u043e\u043c\u0431\u0430\">5. Progress\u00e3o do co\u00e1gulo sangu\u00edneo<\/h4>\n<ul class=\"wp-block-list\">\n<li>O co\u00e1gulo sangu\u00edneo pode se espalhar proximalmente, aumentando a hipertens\u00e3o venosa e prejudicando o fluxo de sa\u00edda. <\/li>\n<li>Seus fragmentos (especialmente no caso de co\u00e1gulos sangu\u00edneos flutuantes) podem se desprender, entrando na corrente sangu\u00ednea e causando embolia pulmonar (EP), acidente vascular cerebral (AVC) ou infarto de \u00f3rg\u00e3os internos.<\/li>\n<li>Em alguns casos, o fluxo venoso \u00e9 restaurado como resultado da recanaliza\u00e7\u00e3o. <\/li>\n<\/ul>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/Vascular%20Pathology\/deep-vein-thrombosis\/floating-thrombus.webp\" alt=\"Co\u00e1gulo sangu\u00edneo flutuante na veia il\u00edaca\"><figcaption class=\"wp-element-caption\">Co\u00e1gulo sangu\u00edneo flutuante na veia il\u00edaca: <a href=\"https:\/\/catalog.voka.io\/en\/models\/6e2f9dc5-6e91-46c4-b881-b038f53acd05\/e97d61b0-0428-49d0-af67-db0672973910\/0e6b080d-0a3f-4fc9-945d-07ea51deca6a\/654bd20b-4be1-46fc-9549-830fa0fd6148\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelo 3D<\/a><\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\" id=\"manifestacoes-clinicas-da-tromboflebite\">Manifesta\u00e7\u00f5es cl\u00ednicas da tromboflebite<\/h2>\n<p>A tromboflebite \u00e9 frequentemente assintom\u00e1tica e s\u00f3 \u00e9 detectada quando surgem complica\u00e7\u00f5es, principalmente a embolia pulmonar. <\/p>\n<p>Quando os sintomas est\u00e3o presentes, os principais sinais s\u00e3o: dor, incha\u00e7o e descolora\u00e7\u00e3o do membro: <\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Dor<\/strong>: geralmente \u00e9 uma dor surda e de repuxamento, que piora com esfor\u00e7o e palpa\u00e7\u00e3o; <\/li>\n<li><strong><span class=\"glossary-term\" data-title=\"Edema\" data-tooltip=\"O edema \u00e9 uma acumula\u00e7\u00e3o excessiva de l\u00edquido nos espa\u00e7os intercelulares (intersticiais) dos tecidos ou nas cavidades serosas do corpo. Clinicamente, manifesta-se por incha\u00e7o, aumento do volume de um \u00f3rg\u00e3o ou de uma parte do corpo. \" data-link=\"https:\/\/wiki.dev.voka.io\/pt\/glossario\/edema\/\">Edema<\/span><\/strong>: forma-se devido \u00e0 hipertens\u00e3o venosa e \u00e9 mais frequentemente unilateral, afetando a parte inferior da perna ou todo o membro; <\/li>\n<li><strong>Descolora\u00e7\u00e3o da pele<\/strong>: varia de palidez a cianose e, em casos de trombose maci\u00e7a, pode ocorrer estase venosa acentuada com risco de isquemia.<\/li>\n<\/ul>\n<p>Essas manifesta\u00e7\u00f5es refletem o comprometimento do fluxo venoso e o aumento da press\u00e3o venosa.<\/p>\n<p>Alguns pacientes apresentam hipertermia local e aumento da temperatura corporal, o que est\u00e1 associado a uma rea\u00e7\u00e3o sist\u00eamica \u00e0 trombose. Em casos raros, desenvolve-se um quadro grave, a flebite azul (phlegmasia cerulea dolens), acompanhada de dor aguda, edema maci\u00e7o e interrup\u00e7\u00e3o cr\u00edtica do fluxo sangu\u00edneo.<\/p>\n<h2 class=\"wp-block-heading\" id=\"diagnostico-de-tromboflebite\">Diagn\u00f3stico de tromboflebite<\/h2>\n<h3 class=\"wp-block-heading\" id=\"metodos-laboratoriais\">M\u00e9todos laboratoriais<\/h3>\n<ul class=\"wp-block-list\">\n<li>A detec\u00e7\u00e3o por <strong>d\u00edmero-D<\/strong> \u00e9 o m\u00e9todo de triagem prim\u00e1rio. Um n\u00edvel baixo, com probabilidade cl\u00ednica baixa a moderada, permite excluir a tromboflebite. Sua eleva\u00e7\u00e3o \u00e9 inespec\u00edfica e requer confirma\u00e7\u00e3o por exame de imagem.<\/li>\n<li>O <strong>perfil de coagula\u00e7\u00e3o<\/strong> (TP\/RNI, tempo de protrombina) s\u00e3o usados \u200b\u200bpara avaliar o sistema de coagula\u00e7\u00e3o e monitorar a terapia anticoagulante.<\/li>\n<li>A <strong>triagem de trombofilia<\/strong> (muta\u00e7\u00e3o do fator V de Leiden, defici\u00eancia de prote\u00edna C\/S, antitrombina III, anticorpos antifosfolip\u00eddicos) \u00e9 realizada em casos de trombose recorrente ou n\u00e3o provocada, quando o resultado afeta a dura\u00e7\u00e3o do tratamento.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"metodos-instrumentais\">M\u00e9todos instrumentais<\/h3>\n<ul class=\"wp-block-list\">\n<li>A <strong>ecografia Doppler<\/strong> \u00e9 o m\u00e9todo de escolha. O crit\u00e9rio diagn\u00f3stico \u00e9 a aus\u00eancia de compress\u00e3o completa da veia pelo transdutor; sinais adicionais incluem a visualiza\u00e7\u00e3o de massas ecog\u00eanicas e a diminui\u00e7\u00e3o do fluxo sangu\u00edneo.<\/li>\n<li><strong>A venografia por <span class=\"glossary-term\" data-title=\"Tomografia computorizada\" data-tooltip=\"A tomografia computadorizada \u00e9 um exame de imagem que usa raios X para obter imagens transversais (cortes) de \u00f3rg\u00e3os e tecidos internos. \u00c9 uma das principais t\u00e9cnicas de imagem da medicina moderna, com elevado n\u00edvel de gera\u00e7\u00e3o de informa\u00e7\u00e3o.\" data-link=\"https:\/\/wiki.dev.voka.io\/pt\/glossario\/tc-tomografia-computadorizada\/\">TC<\/span> (tomografia computadorizada) e RM (resson\u00e2ncia magn\u00e9tica)<\/strong> \u00e9 utilizada em casos de visualiza\u00e7\u00e3o dif\u00edcil das veias p\u00e9lvicas ou achados ultrassonogr\u00e1ficos question\u00e1veis. Ela permite determinar com precis\u00e3o a localiza\u00e7\u00e3o e a extens\u00e3o do co\u00e1gulo sangu\u00edneo.<\/li>\n<li>A <strong>flebografia<\/strong> tem utilidade limitada, principalmente antes de procedimentos intervencionistas.<\/li>\n<\/ul>\n<p>Assim, o diagn\u00f3stico de flebotrombose baseia-se numa abordagem gradual: probabilidade cl\u00ednica conforme a escala de Wells, triagem laboratorial por meio do d\u00edmero-D e confirma\u00e7\u00e3o por m\u00e9todos instrumentais, entre os quais a ecografia Doppler continua a ser fundamental.<\/p>\n<p><strong>Escala de Wells<\/strong><\/p>\n<figure class=\"wp-block-table table-to-cards table-accents\">\n<table>\n<thead>\n<tr>\n<th><strong>Descri\u00e7\u00e3o<\/strong><\/th>\n<th>Pontua\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u00e2ncer ativo (tratado nos \u00faltimos 6 meses ou em terapia paliativa cont\u00ednua)<\/td>\n<td>+1<\/td>\n<\/tr>\n<tr>\n<td>Paralisia, paresia ou imobiliza\u00e7\u00e3o recente de um membro<\/td>\n<td>+1<\/td>\n<\/tr>\n<tr>\n<td>Cirurgia recente (nas \u00faltimas 12 semanas) ou imobiliza\u00e7\u00e3o por mais de 3 dias.<\/td>\n<td>+1<\/td>\n<\/tr>\n<tr>\n<td>Dor ao longo do trajeto das veias profundas<\/td>\n<td>+1<\/td>\n<\/tr>\n<tr>\n<td>Incha\u00e7o em toda a perna<\/td>\n<td>+1<\/td>\n<\/tr>\n<tr>\n<td>Edema tibial superior a 3 cm em compara\u00e7\u00e3o com a t\u00edbia saud\u00e1vel (medido 10 cm abaixo da tuberosidade tibial).<\/td>\n<td>+1<\/td>\n<\/tr>\n<tr>\n<td>Edema localizado na perna sintom\u00e1tica.<\/td>\n<td>+1<\/td>\n<\/tr>\n<tr>\n<td>Veias colaterais superficiais dilatadas (n\u00e3o varicosas)<\/td>\n<td>+1<\/td>\n<\/tr>\n<tr>\n<td>Trombose venosa profunda relatada anteriormente<\/td>\n<td>+1<\/td>\n<\/tr>\n<tr>\n<td>A presen\u00e7a de um diagn\u00f3stico alternativo \u00e9 mais prov\u00e1vel do que a trombose venosa profunda<\/td>\n<td>-2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><strong>Probabilidade de trombose venosa profunda<\/strong>:<\/p>\n<ul class=\"wp-block-list\">\n<li>Baixa: \u20132 a 0; <\/li>\n<li>Moderada: 1 a 2;<\/li>\n<li>Alta: >3.<\/li>\n<\/ul>\n<div class=\"social-banner-block\">\n<div class=\"social-banner-content\">\n<p class=\"h5-title text-black\">Encontra mais conte\u00fados cientificamente exactos nas nossas redes sociais<\/p>\n<p><span class=\"social-banner-text text-grey\">Subscreve e n\u00e3o percas os recursos mais recentes<\/span><\/p>\n<div class=\"social-links-wrapper\"><a class=\"social-icon-link\" href=\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/facebook.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.instagram.com\/voka.io\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/insta.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.linkedin.com\/company\/voka-io\/posts\/?feedView=all\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/linkedin.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.youtube.com\/@vokaio\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/youtube.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.pinterest.com\/voka3danatomyandpathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/pinterest.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.tiktok.com\/@voka.io\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/tiktok.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/discord.gg\/7ejUpq8DRR\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/discord.svg\" alt=\"social link\"><\/a><\/div>\n<\/div>\n<p><img decoding=\"async\" class=\"social-banner-image\" loading=\"lazy\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/social-media-banner-mobile-image.webp\" alt=\"Banner background\"><\/div>\n<h2 class=\"wp-block-heading\" id=\"tratamento-da-trombose-venosa-profunda\">Tratamento da trombose venosa profunda<\/h2>\n<h3 class=\"wp-block-heading\" id=\"prevencao-da-tromboflebite\">Preven\u00e7\u00e3o da tromboflebite<\/h3>\n<p>A preven\u00e7\u00e3o da trombose em pacientes de risco \u00e9 fundamental. Recomenda-se mobiliza\u00e7\u00e3o precoce ap\u00f3s a cirurgia, hidrata\u00e7\u00e3o adequada, uso de compress\u00e3o el\u00e1stica durante imobiliza\u00e7\u00e3o prolongada e voos. Doses profil\u00e1ticas de anticoagulantes (heparinas de baixo peso molecular ou fondaparinux) s\u00e3o administradas a pacientes de alto risco em hospitais.<\/p>\n<h3 class=\"wp-block-heading\" id=\"tratamento-medicamentoso\">Tratamento medicamentoso<\/h3>\n<p>Na fase aguda da tromboflebite, o principal objetivo \u00e9 suprimir rapidamente a atividade do sistema de coagula\u00e7\u00e3o para prevenir o crescimento do trombo e a emboliza\u00e7\u00e3o.<\/p>\n<p>Os seguintes grupos de anticoagulantes parenterais s\u00e3o utilizados para este fim:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>As heparinas de baixo peso molecular (HBPM)<\/strong> s\u00e3o os medicamentos de escolha para iniciar a terapia e s\u00e3o administradas por via subcut\u00e2nea em doses terap\u00eauticas (por exemplo, enoxaparina, dalteparina).<\/li>\n<li>O <strong>fondaparinux (um inibidor seletivo do fator Xa)<\/strong> pode ser usado como alternativa \u00e0 heparina de baixo peso molecular (HBPM), especialmente quando existem contraindica\u00e7\u00f5es \u00e0 heparina ou um alto risco de trombocitopenia induzida por heparina.<\/li>\n<li>A <strong>heparina n\u00e3o fracionada<\/strong> \u00e9 usada com menos frequ\u00eancia, predominantemente em pacientes com insufici\u00eancia renal grave ou quando \u00e9 necess\u00e1rio um controle r\u00e1pido (infus\u00e3o intravenosa com monitoramento do TTPa).<\/li>\n<\/ul>\n<p>Depois de 5 a 10 dias do tratamento inicial, a medica\u00e7\u00e3o deve ser substitu\u00edda por anticoagulantes orais:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Anticoagulantes orais diretos (AODs)<\/strong>: rivaroxabana, apixabana, dabigatrana, edoxabana. Eles proporcionam um efeito anticoagulante est\u00e1vel e n\u00e3o requerem monitoramento de rotina.<\/li>\n<li><strong>Rivaroxabana e apixabana<\/strong> podem ser administradas imediatamente ap\u00f3s o diagn\u00f3stico, sem uma fase com HBPM.<\/li>\n<li><strong>Dabigatrana e edoxabana<\/strong> requerem um pr\u00e9-tratamento de 5 a 7 dias com um anticoagulante parenteral.<\/li>\n<\/ul>\n<p>Os <strong>antagonistas da vitamina K<\/strong> (varfarina) s\u00e3o usados \u200b\u200bquando os AODs s\u00e3o contraindicados (por exemplo, insufici\u00eancia renal grave, s\u00edndrome antifosfolip\u00eddica, baixa disponibilidade do medicamento). Eles exigem monitoramento regular do RNI (valores alvo de 2,0 a 3,0).<\/p>\n<p><strong>Dura\u00e7\u00e3o da terapia anticoagulante<\/strong><\/p>\n<figure class=\"wp-block-table table-to-cards table-accents\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th class=\"has-text-align-center\" data-align=\"center\"><strong>Descri\u00e7\u00e3o<\/strong><\/th>\n<th class=\"has-text-align-center\" data-align=\"center\"><strong>Dura\u00e7\u00e3o<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\">Trombose provocada (cirurgia, trauma, imobiliza\u00e7\u00e3o)<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Normalmente 3 meses<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\">Trombose n\u00e3o provocada<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Pelo menos 3 meses, seguidos de uma avalia\u00e7\u00e3o do risco de recorr\u00eancia. Se o risco for alto, recomenda-se uma prorroga\u00e7\u00e3o.<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\">Pacientes com c\u00e2ncer<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Anticoagula\u00e7\u00e3o prolongada, preferencialmente com AOD (apixabana, edoxabana) ou HBPM.<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\">Trombose recorrente ou trombofilias graves<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Costuma necessitar de terapia ao longo da vida.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h3 class=\"wp-block-heading\" id=\"tratamento-cirurgico\">Tratamento cir\u00fargico<\/h3>\n<p>Os m\u00e9todos cir\u00fargicos e endovasculares s\u00e3o utilizados de forma limitada, em casos de tromboses iliofemorais grandes com risco de isquemia ou com alto risco de s\u00edndrome p\u00f3s-tromb\u00f3tica. S\u00e3o utilizados os seguintes m\u00e9todos:<\/p>\n<ul class=\"wp-block-list\">\n<li>Tromb\u00f3lise dirigida por cateter;<\/li>\n<li>Trombectomia farmacomec\u00e2nica;<\/li>\n<li>Trombectomia cir\u00fargica para condi\u00e7\u00f5es amea\u00e7adoras (por exemplo, phlegmasia cerulea dolens);<\/li>\n<li>A coloca\u00e7\u00e3o de um filtro de veia cava \u00e9 indicada apenas em casos de contraindica\u00e7\u00e3o \u00e0 anticoagula\u00e7\u00e3o ou recorr\u00eancia de embolia pulmonar mesmo com tratamento adequado.<\/li>\n<\/ul>\n<div>\n<h2 class=\"faq-title h2-article\" id=\"faq\">FAQ<\/h2>\n<div class=\"faq-section\">\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">1. O que \u00e9 tromboflebite (trombose venosa profunda)?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">A flebotrombose \u00e9 a forma\u00e7\u00e3o de um co\u00e1gulo sangu\u00edneo no l\u00famen das veias profundas sem inflama\u00e7\u00e3o significativa da parede, mais frequentemente nas veias dos membros inferiores.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">2. Qual a diferen\u00e7a entre flebotrombose e tromboflebite?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Na flebotrombose a inflama\u00e7\u00e3o \u00e9 m\u00ednima ou ausente, enquanto na tromboflebite, ela \u00e9 o processo predominante, geralmente em veias superficiais.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">3. Quais s\u00e3o as principais causas de flebotrombose?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Os principais fatores s\u00e3o estase venosa, les\u00e3o endotelial e aumento da coagula\u00e7\u00e3o sangu\u00ednea (tr\u00edade de Virchow). No artigo, h\u00e1 mais informa\u00e7\u00f5es sobre os fatores etiol\u00f3gicos.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">4. Quais s\u00e3o os sintomas mais comuns da trombose venosa profunda?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Os sintomas mais comuns s\u00e3o: incha\u00e7o unilateral, dor, sensa\u00e7\u00e3o de peso e descolora\u00e7\u00e3o da pele do membro afetado.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">5. Qual \u00e9 o perigo da trombose venosa profunda e quais s\u00e3o as suas principais complica\u00e7\u00f5es?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">O principal perigo imediato \u00e9 a embolia pulmonar (EP), uma condi\u00e7\u00e3o potencialmente fatal, na qual um fragmento de um co\u00e1gulo sangu\u00edneo se desprende e obstrui os vasos sangu\u00edneos dos pulm\u00f5es. A principal complica\u00e7\u00e3o a longo prazo \u00e9 a s\u00edndrome p\u00f3s-tromb\u00f3tica, que leva \u00e0 insufici\u00eancia venosa cr\u00f4nica, edema e altera\u00e7\u00f5es tr\u00f3ficas da pele.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">6. A flebotrombose sempre apresenta manifesta\u00e7\u00f5es cl\u00ednicas?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">N\u00e3o. Em alguns pacientes a doen\u00e7a \u00e9 assintom\u00e1tica, sendo detectada acidentalmente ou quando surgem complica\u00e7\u00f5es.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">7. Qual exame laboratorial \u00e9 o mais informativo para trombose venosa profunda?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">D\u00edmero-D: um n\u00edvel baixo, associado a baixa probabilidade cl\u00ednica, exclui trombose, enquanto um n\u00edvel elevado requer confirma\u00e7\u00e3o por exame de imagem.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">8. Qual m\u00e9todo de diagn\u00f3stico instrumental de flebotrombose \u00e9 considerado o \u201cpadr\u00e3o ouro\u201d?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">O ultrassom Doppler das veias \u00e9 o principal m\u00e9todo que permite detectar um co\u00e1gulo sangu\u00edneo e avaliar sua extens\u00e3o.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">9. O que \u00e9 a escala de Wells e por que ela \u00e9 necess\u00e1ria?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Ela \u00e9 uma escala cl\u00ednica para ajudar a avaliar a probabilidade de trombose e determinar se exames de imagem devem ser feitos imediatamente ou se \u00e9 necess\u00e1rio come\u00e7ar com um exame laboratorial.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">10. Como \u00e9 o tratamento da flebotrombose?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">A base da terapia s\u00e3o os anticoagulantes (HBPM, fondaparinux, anticoagulantes orais diretos, varfarina). Em casos raros, s\u00e3o utilizadas interven\u00e7\u00f5es endovasculares ou cir\u00fargicas.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">11. Quanto tempo dura o tratamento da trombose venosa profunda?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">A dura\u00e7\u00e3o da terapia anticoagulante \u00e9 determinada pela causa da trombose. Para trombose provocada (por exemplo, ap\u00f3s cirurgia), a dura\u00e7\u00e3o do tratamento geralmente \u00e9 de 3 meses. Em casos de trombose n\u00e3o provocada ou recorrente, a terapia pode ser prolongada ou prescrita para toda a vida ap\u00f3s avalia\u00e7\u00e3o de risco. Em pacientes com c\u00e2ncer o tratamento tamb\u00e9m \u00e9 de longo prazo.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">12. \u00c9 poss\u00edvel prevenir a flebotrombose?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Sim, a preven\u00e7\u00e3o inclui mobiliza\u00e7\u00e3o precoce, roupas de compress\u00e3o e uso de anticoagulantes em pacientes de alto risco.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sources-list-block sources-list-hidden\" id=\"referencias\">\n<div class=\"sources-list-content\">\n<div class=\"sources-list-title\">\n<p class=\"small-text-bold text-black sources-list-title-text\">Refer\u00eancias<\/p>\n<div class=\"sources-expand-button-wrapper-mobile\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n<div class=\"sources-list-items\">\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">1.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Cat\u00e1logo VOKA (VOKA Catalog). [Recurso eletr\u00f4nico] <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">https:\/\/catalog.voka.io\/<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">2.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Kakkos, S. K., Gohel, M., Baekgaard, N., et al. (2021, janeiro). Editor\u2019s choice \u2013 European Society for Vascular Surgery (ESVS) 2021 clinical practice guidelines on the management of venous thrombosis. European Journal of Vascular and Endovascular Surgery, 61(1), 9\u201382. DOI: 10.1016\/j.ejvs.2020.09.023.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">3.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Wolf, S., Barco, S., Di Nisio, M., et al. (2024, setembro). Epidemiology of deep vein thrombosis. Vasa, 53(5), 298\u2013307. DOI: 10.1024\/0301-1526\/a001145.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">4.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Kim, K. A., Choi, S. Y., & Kim, R. (2021, junho). Endovascular treatment for lower extremity deep vein thrombosis: An overview. Korean Journal of Radiology, 22(6), 931\u2013943. DOI: 10.3348\/kjr.2020.0675.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">5.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Gil-D\u00edaz, A., Mart\u00edn Guerra, J., Parra Caballero, P., et al. (2024, maio). Diagnosis and treatment of deep vein thrombosis of the lower and upper limbs: 2024 recommendations of the venous thromboembolism group of the Spanish Society of Internal Medicine. Revista Cl\u00ednica Espa\u00f1ola (Barc), 224(5), 300\u2013313. DOI: 10.1016\/j.rceng.2024.04.004.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">6.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Skeik, N., Smith, J. E., Jensen, J. D., et al. (2021, julho). Literature review of distal deep vein thrombosis. Journal of Vascular Surgery: Venous and Lymphatic Disorders, 9(4), 1062\u20131070.e6. DOI: 10.1016\/j.jvsv.2021.01.018.<\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">7.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Lieberman, J. R. (2018, outubro). Deep vein thrombosis prophylaxis: State of the art. Journal of Arthroplasty, 33(10), 3107\u20133108. DOI: 10.1016\/j.arth.2018.01.051.<\/cite><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sources-expand-button-wrapper\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A tromboflebite \u00e9 a forma\u00e7\u00e3o de um co\u00e1gulo sangu\u00edneo no sistema venoso, mais comumente nas veias profundas dos membros inferiores, com interrup\u00e7\u00e3o parcial ou completa do fluxo sangu\u00edneo. O termo trombose venosa profunda (TVP) \u00e9 frequentemente usado na literatura internacional. Epidemiologia A principal causa da forma\u00e7\u00e3o de um co\u00e1gulo sangu\u00edneo \u00e9 uma desordem em um [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"template":"","diseases_category":[303],"class_list":["post-1790","diseases_post","type-diseases_post","status-publish","hentry","diseases_category-vasculares"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Trombose venosa profunda (flebotrombose): causas, sintomas, diagn\u00f3stico, tratamento<\/title>\n<meta name=\"description\" content=\"Flebotrombose (trombose venosa profunda): etiopatogenia, apresenta\u00e7\u00e3o cl\u00ednica, algoritmos diagn\u00f3sticos e protocolos de tratamento modernos. S\u00e3o aborados a escala de Wells, o ultrassom com Doppler e a terapia anticoagulante.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tromboflebite: etiologia, patog\u00eanese, sintomas, diagn\u00f3stico, tratamento\" \/>\n<meta property=\"og:description\" content=\"Flebotrombose (trombose venosa profunda): etiopatogenia, apresenta\u00e7\u00e3o cl\u00ednica, algoritmos diagn\u00f3sticos e protocolos de tratamento modernos. 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