{"id":6361,"date":"2021-06-08T12:28:56","date_gmt":"2021-06-08T15:28:56","guid":{"rendered":"https:\/\/med.estrategiaeducacional.com.br\/blog\/?p=6361"},"modified":"2023-07-18T16:28:24","modified_gmt":"2023-07-18T19:28:24","slug":"plaquetopenia","status":"publish","type":"post","link":"https:\/\/med.estrategia.com\/portal\/conteudos-gratis\/doencas\/plaquetopenia\/","title":{"rendered":"Plaquetopenia: o que \u00e9, causas, sintomas e mais!"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Voc&ecirc; tem curiosidade sobre o que &eacute; <strong><span id=\"urn:enhancement-b814b6a3-8e61-4507-8cf3-a689d779286a\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">plaquetopenia<\/span><\/strong>? Sabe identificar se o resultado do hemograma &eacute; real ou uma <strong>pseudoplaquetopenia<\/strong>? O <span id=\"urn:enhancement-95e3be3d-1dcc-4257-911a-3fcec795a142\" class=\"textannotation disambiguated wl-organization\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/estrategia_med\">Estrat&eacute;gia MED<\/span> preparou este artigo para solucionar as suas d&uacute;vidas! Acompanhe o texto e aproveite!<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-7d812b4c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/med.estrategia.com\/cursos\/\" style=\"background-color:#0ba4ae\" target=\"_blank\">Conhe&ccedil;a os cursos do Estrat&eacute;gia MED!<\/a><\/div>\n<\/div><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Navegue pelo conte\u00fado<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/med.estrategia.com\/portal\/conteudos-gratis\/doencas\/plaquetopenia\/#O-que-e-Plaquetopenia\" >O que &eacute; Plaquetopenia?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/med.estrategia.com\/portal\/conteudos-gratis\/doencas\/plaquetopenia\/#Quais-as-causas-da-plaquetopenia\" >Quais as causas da plaquetopenia?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/med.estrategia.com\/portal\/conteudos-gratis\/doencas\/plaquetopenia\/#Quais-os-principais-sintomas\" >Quais os principais sintomas?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/med.estrategia.com\/portal\/conteudos-gratis\/doencas\/plaquetopenia\/#Como-e-feita-a-investigacao-da-plaquetopenia\" >Como &eacute; feita a investiga&ccedil;&atilde;o da plaquetopenia?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/med.estrategia.com\/portal\/conteudos-gratis\/doencas\/plaquetopenia\/#Diagnostico\" >Diagn&oacute;stico<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/med.estrategia.com\/portal\/conteudos-gratis\/doencas\/plaquetopenia\/#Tratamento\" >Tratamento<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/med.estrategia.com\/portal\/conteudos-gratis\/doencas\/plaquetopenia\/#Curso-EMED\" >Curso EMED<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/med.estrategia.com\/portal\/conteudos-gratis\/doencas\/plaquetopenia\/#Veja-tambem\" >Veja tamb&eacute;m:&nbsp;<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-o-que-e-plaquetopenia\"><span class=\"ez-toc-section\" id=\"O-que-e-Plaquetopenia\"><\/span><strong>O que &eacute; Plaquetopenia?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\"><span id=\"urn:enhancement-5fe80931-0dd7-4784-b7ed-1864a45a7ff6\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">Plaquetopenia<\/span> &eacute; definida como <strong>contagem de plaquetas menor que 150 mil c&eacute;lulas\/mm&sup3; no hemograma<\/strong>. Esse achado pode ser frequente e, algumas vezes, n&atilde;o significa presen&ccedil;a de doen&ccedil;a.<\/p><p class=\"wp-block-paragraph\">A <span id=\"urn:enhancement-c690ec52-07c0-4c26-8160-73d55126b476\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">trombocitopenia<\/span> pode ser classificada como leve, quando as plaquetas est&atilde;o entre 70 mil e 150 mil, e grave se a quantidade for menor do que 20 mil. Os sintomas se iniciam geralmente quando o n&uacute;mero total de plaquetas est&aacute; menor que 50 mil.&nbsp;<\/p><p class=\"wp-block-paragraph\">Ap&oacute;s o achado laboratorial de <span id=\"urn:enhancement-d7753cfa-e4df-4ce2-a3b2-8e3ccfe50ee9\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">plaquetopenia<\/span>, deve-se realizar um teste confirmat&oacute;rio, para excluir erro laboratorial ou agrega&ccedil;&atilde;o celular. Al&eacute;m disso, &eacute; necess&aacute;rio realizar uma <strong>plaquetometria<\/strong>, a fim de buscar e identificar altera&ccedil;&otilde;es nessas c&eacute;lulas.<\/p><p>\n\n\n<div id=\"new-form\">\n\t<form id=\"forms_layout\">\n\t<input type=\"hidden\" id=\"chave_de\" name=\"chave_de\" value=\"01_EMED_LEADS_TOTAIS\" \/>\n\t\t<input type=\"hidden\" id=\"mid\" name=\"mid\" value=\"515009018\" \/>\n\t\t<input type=\"hidden\" id=\"Objetivo\" name=\"Objetivo\" value=\"Medicina\" \/>\n\t\t<input type=\"hidden\" id=\"Estado_de_Origem_do_IP\" name=\"Estado_de_Origem_do_IP\"  value=\"\" \/>\n\t\t<input type=\"hidden\" id=\"Cidade_de_Origem_do_IP\" name=\"Cidade_de_Origem_do_IP\" value=\"\" \/>\n\t\t<input type=\"hidden\" id=\"Modo_de_entrada\" name=\"Modo_de_entrada\" value=\"Portal\" \/>\n\t\t<input type=\"hidden\" id=\"Pagina_Origem\" name=\"Pagina_Origem\" value=\"\" \/>\n\n\t\t<div class=\"texto\">\n\t\t\t<h3 class=\"news\">Inscreva-se em nossa newsletter!<\/h3>\n\t\t\t<p>Receba not\u00edcias sobre resid\u00eancia m\u00e9dica, revalida\u00e7\u00e3o de diplomas e concursos m\u00e9dicos, al\u00e9m de materiais de estudo gratuitos e informa\u00e7\u00f5es relevantes do mundo da Medicina.<\/p>\n\t\t<\/div>\n\t\t<div class=\"campos\">\n\t\t\t<div class=\"first_name labels\">\n\t\t\t\t<input type=\"text\" class=\"input_labels\" id=\"first_name\" name=\"Nome_Completo\" placeholder=\"Nome\" required \/>\n\t\t\t<\/div>\n\t\t\t<div class=\"email labels\">\n\t\t\t\t<input type=\"email\" class=\"input_labels\" id=\"email\" name=\"Email\" placeholder=\"E-mail\" required \/>\n\t\t\t<\/div>\n\t\t\t<button type=\"submit\" class=\"button_layout\">\n\t\t\t\t<div id=\"lblBotao\">Inscreva-se<\/div>\n\t\t\t\t<span id=\"divSpiner\" class=\"loader\" role=\"status\" style=\"display: none;\"><\/span>\t\n\t\t\t<\/button>\n\t\t<\/div><!-- \/campos -->\n\t\t\n\t\t<label class=\"container_checkbox\">Voc\u00ea concorda com a nossa\n\t\t\t<a class=\"politics_privacy_ahref\" target=\"_blank\" href=\"https:\/\/gratis.estrategiaconcursos.com.br\/politica-de-privacidade\/\">Pol\u00edtica de Privacidade<\/a> e aceita receber informa\u00e7\u00f5es adicionais do Estrat\u00e9gia Educacional.\n\t\t\t<input id=\"checkbox_layout\" type=\"checkbox\" checked=\"checked\" required \/>\n\t\t\t<span class=\"checkbox\"><\/span>\n\t\t<\/label>\n\t\t<div id=\"msg\"><\/div>\n\t\t<div id=\"error\" class=\"error\">\n\t\t<\/div>\n\t<\/form>\n<\/div><!-- \/new-form -->\n\n\n\n<\/p><h2 class=\"wp-block-heading\" id=\"h-quais-as-causas-da-plaquetopenia\"><span class=\"ez-toc-section\" id=\"Quais-as-causas-da-plaquetopenia\"><\/span>Quais as causas da plaquetopenia?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">As causas de <span id=\"urn:enhancement-50e7c9c3-d673-4102-9adb-f976084adc70\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">plaquetopenia<\/span> envolvem: <strong>altera&ccedil;&atilde;o da produ&ccedil;&atilde;o de plaquetas<\/strong>, <strong>aumento da destrui&ccedil;&atilde;o<\/strong>, <strong>sequestro espl&ecirc;nico<\/strong> e <strong>hemodilui&ccedil;&atilde;o<\/strong>, que decorre de transfus&atilde;o maci&ccedil;a. J&aacute; o quadro de sequestro espl&ecirc;nico ocorre devido ao hiperesplenismo.<\/p><p class=\"wp-block-paragraph\">N&atilde;o somente isso, as altera&ccedil;&otilde;es da produ&ccedil;&atilde;o envolvem: les&atilde;o medular por &aacute;lcool, drogas ou irradia&ccedil;&atilde;o; <a href=\"https:\/\/med.estrategia.com\/portal\/conteudos-gratis\/resumed\/resumed-de-anemias\/\" target=\"_blank\">anemia<\/a> apl&aacute;sica; met&aacute;stases; leucemias; mielofibrose; <span id=\"urn:enhancement-1a380f5d-35fc-4528-8032-05a3694c31d2\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/anemia-megaloblastica\">anemia megalobl&aacute;stica<\/span>; s&iacute;ndrome mielodispl&aacute;sica ou plaquetopenias heredit&aacute;rias.<\/p><p class=\"wp-block-paragraph\">O <strong>aumento do consumo de plaquetas<\/strong> &eacute; consequente de: Coagula&ccedil;&atilde;o Intravascular Disseminada (CIVD); S&iacute;ndrome Hemol&iacute;tico-Ur&ecirc;mica; P&uacute;rpura Trombocitop&ecirc;nica Tromb&oacute;tica (PTT).<\/p><p class=\"wp-block-paragraph\">Outras causas de <strong>destrui&ccedil;&atilde;o <\/strong>s&atilde;o: P&uacute;rpura Trombocitop&ecirc;nica Imune (PTI); <span id=\"urn:enhancement-ce2c4146-bbab-4e94-bd43-95222b16d55d\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">trombocitopenia<\/span> induzida por heparina; colagenoses; <span id=\"urn:enhancement-5eb8fe33-f27c-4af3-b49f-0cc30bbcc489\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/hepatopatias-autoimunes\">hepatite<\/span> B e C; <span id=\"urn:enhancement-1b651c63-29f3-4bfa-98e4-a753743f702e\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/infeccoes\">infec&ccedil;&atilde;o<\/span> por HIV, CMV ou Varicela-Z&oacute;ster; linfomas e leucemia linfoc&iacute;tica cr&ocirc;nica.<\/p><h2 class=\"wp-block-heading\" id=\"h-quais-os-principais-sintomas\"><span class=\"ez-toc-section\" id=\"Quais-os-principais-sintomas\"><\/span>Quais os principais sintomas?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Os principais sintomas apresentados pelos pacientes plaquetop&ecirc;nicos, s&atilde;o:<\/p><ul class=\"wp-block-list\">\n<li>Hemorragia cut&acirc;neo-mucosa;<\/li>\n\n\n\n<li>In&iacute;cio de sangramento imediato;<\/li>\n\n\n\n<li>Pet&eacute;quias &ndash; manchas menores que 1 cm na pele;<\/li>\n\n\n\n<li>P&uacute;rpura;<\/li>\n\n\n\n<li>Equimose &ndash; manchas roxas na pele;<\/li>\n\n\n\n<li>Epistaxe &ndash; sangramento pelo nariz; e<\/li>\n\n\n\n<li>Menorragia ou metrorragia &ndash; aumento do sangramento durante o per&iacute;odo menstrual.<\/li>\n<\/ul><p class=\"wp-block-paragraph\">Geralmente, um <span id=\"urn:enhancement-2b1755c4-39c4-4e76-a082-bfd19cb269af\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/hemorragias\">sangramento<\/span> por <span id=\"urn:enhancement-364608c3-1209-48b1-8c03-d49b9011677b\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/politraumatismo\">trauma<\/span> m&iacute;nimo pode ocorrer quando a contagem de plaquetas &eacute; menor que 30 mil\/ml. Em compara&ccedil;&atilde;o, sangramentos espont&acirc;neos de <span id=\"urn:enhancement-b3ee5b02-4f7e-4adb-b175-ebb6518b8392\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/mucosa\">mucosa<\/span>, pele, <span id=\"urn:enhancement-59bb000d-e53e-4160-8091-f08b3ad28dcf\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/pulmao\">pulm&otilde;es<\/span>, trato gastrointestinal, <span id=\"urn:enhancement-fbb2a9e9-3b63-4072-a8dd-394cb20be01e\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/sistema-nervoso-central\">sistema nervoso central<\/span> e trato geniturin&aacute;rio acontecem quando a contagem &eacute; menor que 10 mil\/ml.<\/p><h2 class=\"wp-block-heading\" id=\"h-como-e-feita-a-investigacao-da-plaquetopenia\"><span class=\"ez-toc-section\" id=\"Como-e-feita-a-investigacao-da-plaquetopenia\"><\/span>Como &eacute; feita a investiga&ccedil;&atilde;o da plaquetopenia?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Normalmente, a investiga&ccedil;&atilde;o se inicia com a <strong>queixa do paciente<\/strong> que apresenta <strong>sinais<\/strong> ou <strong>sintomas<\/strong> sugestivos de dist&uacute;rbios que precipitam o aparecimento de <strong>sangramentos<\/strong>. Al&eacute;m disso, n&atilde;o se pode esquecer da necessidade de avalia&ccedil;&atilde;o da <strong>hist&oacute;ria pessoal<\/strong> e <strong>familiar<\/strong> de sangramentos, doen&ccedil;as pr&eacute;vias, interna&ccedil;&otilde;es, cirurgias e medica&ccedil;&otilde;es em uso.<\/p><p class=\"wp-block-paragraph\">O primeiro exame que deve ser solicitado para investiga&ccedil;&atilde;o de <span id=\"urn:enhancement-1fe5308b-a182-449c-92e2-59b23ea049e3\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">plaquetopenia<\/span> &eacute; o <strong>hemograma completo<\/strong>, para an&aacute;lise da altera&ccedil;&atilde;o no n&uacute;mero total de plaquetas e nas outras s&eacute;ries hematopoi&eacute;ticas. Em seguida, a <strong>contagem manual de plaquetas<\/strong>, em uso de EDTA e citrato de s&oacute;dio, confirma a redu&ccedil;&atilde;o do n&uacute;mero dessas c&eacute;lulas.<\/p><p class=\"wp-block-paragraph\">Visando encontrar a causa dessa altera&ccedil;&atilde;o, o <span id=\"urn:enhancement-35020112-f915-4341-8b96-349a3a98565a\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/medicos\">m&eacute;dico<\/span> pode complementar a investiga&ccedil;&atilde;o com: <strong>hemocultura<\/strong>, para descobrir poss&iacute;vel <span id=\"urn:enhancement-627c50ff-fd0f-4d55-affb-a31e416b0790\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/infeccoes\">infec&ccedil;&atilde;o<\/span>; <strong>tempo de protrombina<\/strong>, <strong>tempo de tromboplastina parcial<\/strong>, <strong>tempo de trombina<\/strong>, <strong>fibrinog&ecirc;nio<\/strong> e <strong>D-d&iacute;mero<\/strong>, para identificar poss&iacute;vel coagula&ccedil;&atilde;o intravascular disseminada.<\/p><p class=\"wp-block-paragraph\">Outros exames de sangue que auxiliam, s&atilde;o:&nbsp;<\/p><ul class=\"wp-block-list\">\n<li><strong>FAN <\/strong>(Fator Antin&uacute;cleo), para descartar doen&ccedil;as autoimunes;&nbsp;<\/li>\n\n\n\n<li><strong>Anticorpo anticardiolipina<\/strong> e <strong>anticoagulante l&uacute;pico<\/strong>, devido &agrave; possibilidade de S&iacute;ndrome Antifosfol&iacute;pide;<strong> <\/strong>&nbsp;<\/li>\n\n\n\n<li><strong>Coombs direto<\/strong>, para descartar anemia hemol&iacute;tica autoimune; e&nbsp;<\/li>\n\n\n\n<li><strong>Sorologias <\/strong>para HIV, Hepatite C e B e CMV, j&aacute; que infec&ccedil;&otilde;es virais podem causar supress&atilde;o da <a href=\"https:\/\/med.estrategia.com\/portal\/aluno-de-medicina\/dicas-de-estudo\/medula-ossea\/\" target=\"_blank\">medula &oacute;ssea<\/a>.<\/li>\n<\/ul><p class=\"wp-block-paragraph\">Por &uacute;ltimo, deve-se pensar na realiza&ccedil;&atilde;o de aspirado ou bi&oacute;psia de medula &oacute;ssea, com o objetivo de avaliar a possibilidade de doen&ccedil;a medular prim&aacute;ria, como leucemia, s&iacute;ndrome mielodispl&aacute;sica e outras altera&ccedil;&otilde;es.<\/p><h2 class=\"wp-block-heading\" id=\"h-diagnostico\"><span class=\"ez-toc-section\" id=\"Diagnostico\"><\/span><strong>Diagn&oacute;stico<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">O diagn&oacute;stico de <span id=\"urn:enhancement-76a67f0d-381c-4cd9-b012-4db6f84b22e5\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">plaquetopenia<\/span> se d&aacute; quando h&aacute; <strong>contagem de plaquetas menor que 150 mil no hemograma<\/strong>. Essa altera&ccedil;&atilde;o &eacute; <strong>confirmada<\/strong> por meio da <strong>contagem manual de plaquetas<\/strong>.<\/p><p class=\"wp-block-paragraph\">&Agrave;s vezes, pode ocorrer a <strong>pseudoplaquetopenia<\/strong>, que decorre da <strong>aglomera&ccedil;&atilde;o de plaquetas no preparo das l&acirc;minas<\/strong> de contagem, dificultando a an&aacute;lise em contadores eletr&ocirc;nicos. Para solucionar essa quest&atilde;o, pode-se utilizar um <strong>anticoagulante<\/strong>, como heparina ou citrato de s&oacute;dio, separando-as.<\/p><p class=\"wp-block-paragraph\">No entanto, somente os exames complementares ao hemograma, como os citados anteriormente, auxiliam no <span id=\"urn:enhancement-0a7ac51f-6d2a-4f61-ae36-ab63eef42dc7\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/diagnostico-diferencial\">diagn&oacute;stico diferencial<\/span> de doen&ccedil;as que cursam com esse achado laboratorial.<\/p><h3 class=\"wp-block-heading\" id=\"h-diagnostico-diferencial\"><strong>Diagn&oacute;stico Diferencial<\/strong><\/h3><p class=\"wp-block-paragraph\">Como diagn&oacute;sticos diferenciais de <span id=\"urn:enhancement-3c8ba927-76bf-4ff1-9562-535b3ea97723\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">plaquetopenia<\/span>, podemos destacar:<\/p><ul class=\"wp-block-list\">\n<li>Pseudoplaquetopenia;<\/li>\n\n\n\n<li>Plaquetopatia, como S&iacute;ndrome de Bernard-Soulier;<\/li>\n\n\n\n<li>P&uacute;rpura Trombocitop&ecirc;nica Imune (PTI);<\/li>\n\n\n\n<li>P&uacute;rpura Trombocitop&ecirc;nica Tromb&oacute;tica (PTT);<\/li>\n\n\n\n<li>S&iacute;ndrome Hemol&iacute;tico-Ur&ecirc;mica;<\/li>\n\n\n\n<li>Infec&ccedil;&atilde;o viral ou bacteriana;<\/li>\n\n\n\n<li>Leucemias Agudas ou Cr&ocirc;nicas;<\/li>\n\n\n\n<li>Mieloma M&uacute;ltiplo; e<\/li>\n\n\n\n<li>Mielofibrose.<\/li>\n<\/ul><p class=\"wp-block-paragraph\">Para conseguir <span id=\"urn:enhancement-18c31a09-b88c-4275-a524-ea1f9c1b16f6\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/diagnostico-diferencial\">diferenciar<\/span> as causas, &eacute; necess&aacute;rio o uso dos exames descritos previamente.<\/p><h2 class=\"wp-block-heading\" id=\"h-tratamento\"><span class=\"ez-toc-section\" id=\"Tratamento\"><\/span>Tratamento<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">O <strong>tratamento<\/strong> para a <span id=\"urn:enhancement-76897153-8e22-4629-9e46-4c314c2d5908\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">plaquetopenia<\/span> depende da sua <strong>causa e do grau de acometimento<\/strong>. Vale ressaltar que a maioria dos pacientes com contagem de plaquetas menores que 20 mil, ou menor que 10 mil sem sangramentos, deve ser tratada.<\/p><p class=\"wp-block-paragraph\">No caso de um <strong>paciente cr&iacute;tico<\/strong>, com instabilidade hemodin&acirc;mica ou comprometimento respirat&oacute;rio, &eacute; indicada a <strong>transfus&atilde;o de plaquetas<\/strong>. Outro tratamento poss&iacute;vel &eacute; associar glicocortic&oacute;ides ou imunoglobulina nos pacientes com PTI. Posteriormente, pode ser necess&aacute;rio incrementar outras terapias.&nbsp;<\/p><p class=\"wp-block-paragraph\">J&aacute; em pacientes com <strong>quadro <span id=\"urn:enhancement-f8ee1e1b-e1c6-4f5e-84ec-9e4dd6892e58\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/medicos\">cl&iacute;nico<\/span> severo de PTI<\/strong>, que apresentam menor <span id=\"urn:enhancement-9c3cf5e3-f249-4914-84ec-d6eab6971377\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/hemorragias\">sangramento<\/span>, ou que t&ecirc;m contagem de plaquetas menor que 50 mil, o tratamento com <strong>glicocortic&oacute;ides<\/strong> ou <strong>imunoglobulina endovenosa <\/strong>ou <strong>anti-D<\/strong> &eacute; o mais adequado.&nbsp;<\/p><p class=\"wp-block-paragraph\">Em compara&ccedil;&atilde;o, no caso de pacientes <strong>sem <span id=\"urn:enhancement-ba43946d-a03a-46ae-8503-8b38475c2256\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/hemorragias\">sangramento<\/span> <\/strong>e com <strong>n&uacute;mero de plaquetas maior que 30 mil<\/strong>, &eacute; indicado apenas <strong>observa&ccedil;&atilde;o cl&iacute;nica <\/strong>e acompanhamento.<\/p><p class=\"wp-block-paragraph\">Se a <strong><span id=\"urn:enhancement-0ca92a47-e5b3-411a-8878-7ce6b791815e\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">plaquetopenia<\/span> <\/strong>for causada pelo <strong>uso de heparina<\/strong>, decorre do desenvolvimento de <strong>anticorpos contra a heparina<\/strong>. Esses anticorpos podem causar <span id=\"urn:enhancement-521bd59b-fcf3-4d19-9408-b68ea00d1d13\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">trombocitopenia<\/span> e eventos tromboemb&oacute;licos.&nbsp;<\/p><p class=\"wp-block-paragraph\">O tratamento de <span id=\"urn:enhancement-244177cf-4f35-439c-be0d-f669ad2a4650\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">trombocitopenia<\/span> por heparina &eacute; a retirada da medica&ccedil;&atilde;o at&eacute; que se retorne aos n&iacute;veis adequados de plaquetas. No entanto, &eacute; necess&aacute;rio estimar o risco e o benef&iacute;cio dessa conduta, j&aacute; que o paciente provavelmente precisa fazer o uso da medica&ccedil;&atilde;o para tamb&eacute;m prevenir eventos tromboemb&oacute;licos. Dessa forma s&atilde;o necess&aacute;rios tratamentos alternativos, como fondaparinux.<\/p><p class=\"wp-block-paragraph\">Vale ressaltar que se o paciente com <span id=\"urn:enhancement-cd136013-13ca-4deb-ae14-d3746a0a119b\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">plaquetopenia<\/span> apresentar alguma <span id=\"urn:enhancement-31522c9c-2a1e-455a-8539-304e667d8a71\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/infeccoes\">infec&ccedil;&atilde;o<\/span> associada &ndash; tanto viral, quanto bacteriana &ndash; deve-se tratar tamb&eacute;m a <span id=\"urn:enhancement-aa7eac6b-a70c-46fc-a566-ba360b7a740e\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/infeccoes\">infec&ccedil;&atilde;o<\/span> para controle.<\/p><h2 class=\"wp-block-heading\" id=\"h-curso-emed\"><span class=\"ez-toc-section\" id=\"Curso-EMED\"><\/span>Curso EMED<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Agora que voc&ecirc; aprendeu sobre <strong><span id=\"urn:enhancement-35c15690-0b9d-4574-9a76-9ba899555a3f\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/plaquetopenia\">trombocitopenia<\/span> <\/strong>e suas causas, aproveite o blog do <span id=\"urn:enhancement-8ebdcf12-0572-4e1b-ba52-e9a870b63146\" class=\"textannotation disambiguated wl-organization\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/estrategia_med\">Estrat&eacute;gia MED<\/span> para aprender sobre os mais diversos temas da <span id=\"urn:enhancement-f1766a2b-3785-41da-8825-d19ee715a864\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/medicina\">Medicina<\/span>!&nbsp;<br>Se voc&ecirc; tem como objetivo entrar em uma <span id=\"urn:enhancement-9ea90aef-077a-4533-982f-eca76f2a853a\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl106637\/entity\/residencia-medica\">Resid&ecirc;ncia M&eacute;dica<\/span> n&atilde;o deixe de conferir o <a href=\"https:\/\/med.estrategia.com\/portal\/evento-emed\/curso-extensivo-do-estrategia-med\/\" target=\"_blank\">Curso Extensivo do Estrat&eacute;gia MED<\/a>! Por meio dele voc&ecirc; tem acesso a aulas e conte&uacute;dos exclusivos que lhe ajudar&atilde;o a conquistar a sua aprova&ccedil;&atilde;o. N&atilde;o perca tempo, clique no banner abaixo e conhe&ccedil;a a nossa plataforma!<\/p><p class=\"wp-block-paragraph\"><strong><a id=\"cta\" class=\"cta-imagem\" href=\"https:\/\/med.estrategia.com\/cursos\/extensivo-de-residncia-mdica\/\" target=\"blank\">\n                <img decoding=\"async\" width=\"100%\" src=\"https:\/\/med.estrategia.com\/portal\/wp-content\/uploads\/2025\/08\/extensivo_rm.jpg\" alt=\"Extensivo RM\" title=\"extensivo_rm\">\n        <\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Veja-tambem\"><\/span>Veja tamb&eacute;m:&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/med.estrategia.com\/portal\/aluno-de-medicina\/dicas-de-estudo\/resumed-de-onco-hematologia-leucemias-agudas\/\">Resumo de onco-hematologia: leucemias agudas;<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/med.estrategia.com\/portal\/aluno-de-medicina\/dicas-de-estudo\/linfoma\/\">Resumo sobre linfoma: manifesta&ccedil;&otilde;es cl&iacute;nicas, diagn&oacute;stico, tratamento e mais;<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/med.estrategia.com\/portal\/aluno-de-medicina\/dicas-de-estudo\/cancer-de-boca\/\">C&acirc;ncer de Boca: tipos, sintomas e muito mais.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/med.estrategia.com\/portal\/aluno-de-medicina\/cancer-de-pulmao\/\">C&acirc;ncer de Pulm&atilde;o: sintomas, diagn&oacute;stico, tipos, tratamento e mais!<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/med.estrategia.com\/portal\/aluno-de-medicina\/dicas-de-estudo\/tumores-oculares-malignos\/\">Resumo de Tumores Oculares Malignos<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/med.estrategia.com\/portal\/aluno-de-medicina\/dicas-de-estudo\/resumed-de-rastreamento-de-cancer-de-mama\/\">Resumo de C&acirc;ncer de mama: classifica&ccedil;&atilde;o, tratamento, tipos e muito mais!<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/med.estrategia.com\/portal\/aluno-de-medicina\/dicas-de-estudo\/resumed-de-rastreamento-de-cancer-de-mama\/\">Resumo de rastreamento do c&acirc;ncer de mama<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/med.estrategia.com\/portal\/aluno-de-medicina\/cancer-de-pulmao\/\">C&acirc;ncer de Pulm&atilde;o: sintomas, diagn&oacute;stico, tipos, tratamento e mais!<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/med.estrategia.com\/portal\/aluno-de-medicina\/cancer-de-pele\/\">C&acirc;ncer de Pele: o que &eacute;, tipos e muito mais<\/a><\/li>\n<\/ul><p class=\"wp-block-paragraph\"><strong>Por: Caterina Germino<\/strong><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"Voc&ecirc; tem curiosidade sobre o que &eacute; plaquetopenia? Sabe identificar se o resultado do hemograma &eacute; real ou&hellip;\n","protected":false},"author":29,"featured_media":6362,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[304],"tags":[],"class_list":["post-6361","post","type-post","status-publish","format-standard","has-post-thumbnail","category-doencas"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Plaquetopenia: o que \u00e9, causas, sintomas e mais!<\/title>\n<meta name=\"description\" content=\"E a\u00ed, futuro residentes? Quer saber tudo sobre Plaquetopenia? 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