{"id":6020,"date":"2019-06-03T17:30:03","date_gmt":"2019-06-03T20:30:03","guid":{"rendered":"https:\/\/biologo.com.br\/bio\/?p=6020"},"modified":"2026-03-04T13:03:38","modified_gmt":"2026-03-04T16:03:38","slug":"febre-maculosa","status":"publish","type":"post","link":"https:\/\/biologo.com.br\/bio\/febre-maculosa\/","title":{"rendered":"Febre maculosa"},"content":{"rendered":"\n<p><span style=\"font-size: 14pt; color: #000000;\"><span style=\"color: #3366ff;\"><strong>Febre maculosa:<\/strong> <span style=\"color: #000000;\">No Brasil a maior parte dos casos ocorrem na regi\u00e3o sudeste. <\/span><\/span>Veremos alguns aspectos dessa doen\u00e7a perigosa.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span style=\"font-family: 'courier new', courier, monospace; font-size: 24pt; color: #000000;\"><strong>Febre maculosa<\/strong><\/span><\/h2>\n\n\n\n<p><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif; font-size: 24pt;\"><strong>F<\/strong><\/span>ebre maculosa \u00e9 uma doen\u00e7a causada pela bact\u00e9ria <em>Rickettsia rickettsii<\/em> e transmitida pela picada de carrapatos ou fezes de piolhos.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/06\/Broches-1.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" data-attachment-id=\"6021\" data-permalink=\"https:\/\/biologo.com.br\/bio\/febre-maculosa\/broches-1\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/06\/Broches-1.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Febre-maculosa\" data-image-description=\"&lt;p&gt;vis\u00e3o dorsal de um carrapato feminino de caiena, Amblyomma cajennense. Vetor brasileiro, um membro do complexo espec\u00edfico Amblyomma cajennense, o carrapato amarelo de cachorros ebre maculosa&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;vis\u00e3o dorsal de um carrapato feminino  Amblyomma cajennense. by CDC\/ Dr. Christopher Paddock\/ James Gathany&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/06\/Broches-1.jpg?fit=631%2C351&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/06\/Broches-1.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Febre maculosa\" class=\"wp-image-6021\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/06\/Broches-1.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/06\/Broches-1.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2019\/06\/Broches-1.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><figcaption class=\"wp-element-caption\"><span style=\"color: #000000; font-size: 10pt;\">Vis\u00e3o dorsal de um carrapato feminino <em>Amblyomma cajennense<\/em><\/span><span style=\"font-size: 8pt;\"><span style=\"color: #000000;\">. by<\/span> <a href=\"https:\/\/phil.cdc.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\">CDC\/ Dr. Christopher Paddock\/ James Gathany<\/a><\/span><\/figcaption><\/figure>\n\n\n\n<p><span style=\"color: #000000;\">Continua a ser uma doen\u00e7a infecciosa grave e potencialmente fatal. Apesar da disponibilidade de tratamento eficaz e dos avan\u00e7os nos cuidados m\u00e9dicos, aproximadamente 20% a 40% dos indiv\u00edduos que se tornam doentes ainda morrem por esta infec\u00e7\u00e3o.<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/profissao-entomologo\/\">Profiss\u00e3o Entom\u00f3logo<\/a><\/span><\/li>\n\n\n\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/insetos\/\">Insetos<\/a><\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"color: #000000;\"> Entretanto, a terapia antibi\u00f3tica eficaz reduziu dramaticamente o n\u00famero das mortes. Antes da descoberta da tetraciclina e do cloranfenicol, no final dos anos 40, at\u00e9 80% das pessoas infectadas com a <em>R. rickettsii<\/em> faleciam.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">A&nbsp;bact\u00e9ria&nbsp;<em>Rickettsia rickettsii<\/em> \u00e9 obrigatoriamente intracelular, sobrevivendo pouco tempo fora do hospedeiro. <\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">Os humanos s\u00e3o hospedeiros intermedi\u00e1rios, n\u00e3o colaborando com a propaga\u00e7\u00e3o do organismo. Outras Rickettsias, causam outros tipos de febre maculosa e tifo em outros lugares do mundo.<\/span><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><span style=\"font-size: 14pt; color: #ffffff;\"> Tifo exantem\u00e1tico, febre do carrapato ou febre da carra\u00e7a (Portugal) s\u00e3o alguns dos outros nomes pelos quais a doen\u00e7a \u00e9 conhecida.<\/span><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><figure><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"Vis\u00e3o geral de um carrapato\" src=\"https:\/\/i0.wp.com\/c.tenor.com\/D1TU4jtvVFQAAAAC\/ticks-animal.gif?resize=347%2C171&#038;ssl=1\" alt=\"Tick GIF - Ticks Animal Bug - Discover &amp; Share GIFs\" width=\"347\" height=\"171\"><\/figure><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 14pt; font-family: 'courier new', courier, monospace; color: #000000;\"><strong>No Brasil<\/strong><\/span><\/h3>\n\n\n\n<p><span style=\"color: #000000;\">No Brasil, a maior parte dos casos \u00e9 transmitida por Amblyommas (carrapatos amarelos).<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">Os&nbsp;carrapatos&nbsp;vetores conhecidos no Brasil s\u00e3o das esp\u00e9cies&nbsp;<em>Amblyomma aureolatum<\/em>, que \u00e9 conhecido como o carrapato-amarelo-do-c\u00e3o e o&nbsp;A<em>mblyomma sculptum<\/em>, parte de um complexo de esp\u00e9cies que inclui o <em>Amblyomma cajennense<\/em>, esp\u00e9cies conhecidas como carrapato-estrela, carrapato-de-cavalo ou rodoleiro, as larvas por carrapatinhos ou micuins, e as ninfas por vermelhinhos.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Febre Maculosa Brasileira \u2013 sintomas, diagn\u00f3stico e tratamento | Sua Sa\u00fade na Rede\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/88727x0Ecrg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><span style=\"font-family: 'courier new', courier, monospace; font-size: 14pt; color: #000000;\">Vetores<\/span><\/strong><\/h4>\n\n\n\n<p><span style=\"color: #000000;\">S\u00e3o hemat\u00f3fagos obrigat\u00f3rios, necessitando de repastos em tr\u00eas hospedeiros para completar seu ciclo de vida. O homem \u00e9 intensamente atacado nas fases de larvas e ninfas do <em>Amblyomma cajennense<\/em> e menos frequentemente pela fase adulta do <em>Amblyomma aureolatum<\/em>.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">A doen\u00e7a \u00e9 causada pela&nbsp;<em>Rickettsia rickettsii<\/em>, uma esp\u00e9cie de bact\u00e9ria que \u00e9 transmitida aos seres humanos por&nbsp;carrapatos&nbsp;da fam\u00edlia&nbsp;Ixodidae. Os sinais e sintomas iniciais da doen\u00e7a incluem o in\u00edcio s\u00fabito de febre, dor de cabe\u00e7a e dores musculares, seguidos pelo aparecimento de&nbsp;exantema. A doen\u00e7a pode ser dif\u00edcil de diagnosticar nos est\u00e1gios iniciais e sem tratamento r\u00e1pido e apropriado pode ser fatal.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">H\u00e1 febres maculosas tamb\u00e9m em outros pa\u00edses, por\u00e9m causadas por outras esp\u00e9cies de Rickettsia e transmitidas por outros <a href=\"https:\/\/biologo.com.br\/bio\/os-artropodes\/\">artr\u00f3podes<\/a> \u2013 por exemplo, a febre maculosa japonesa, a febre maculosa tailandesa e a febre maculosa australiana.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Febre maculosa: No Brasil a maior parte dos casos ocorrem na regi\u00e3o sudeste. Veremos alguns aspectos dessa doen\u00e7a perigosa. Febre<\/p>\n","protected":false},"author":1,"featured_media":6021,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[17,18,24,136],"tags":[],"class_list":["post-6020","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biomedicas","category-entomologia","category-microbiologia","category-parasitologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Febre maculosa (Tifo exantem\u00e1tico) - Doen\u00e7a transmitida por carrapatos<\/title>\n<meta name=\"description\" content=\"Tifo exantem\u00e1tico, febre do carrapato ou febre da carra\u00e7a (Portugal) s\u00e3o alguns dos outros nomes pelos quais a doen\u00e7a \u00e9 conhecida. 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