{"id":880,"date":"2025-05-19T16:57:30","date_gmt":"2025-05-19T13:57:30","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/diseases\/uncategorized\/ptoz-verhnego-veka\/"},"modified":"2025-11-27T11:14:07","modified_gmt":"2025-11-27T08:14:07","slug":"blefaroptose","status":"publish","type":"diseases_post","link":"https:\/\/wiki.dev.voka.io\/pt\/doencas\/oculares\/blefaroptose\/","title":{"rendered":"Ptose da p\u00e1lpebra superior (blefaroptose): Causas, classifica\u00e7\u00e3o, tratamento"},"content":{"rendered":"<p><?xml encoding=\"UTF-8\" ?><\/p>\n<p><strong>A ptose da p\u00e1lpebra superior<\/strong>(<strong>blefaroptose<\/strong>) \u00e9 uma condi\u00e7\u00e3o patol\u00f3gica caracterizada pela queda da p\u00e1lpebra superior abaixo da sua posi\u00e7\u00e3o anat\u00f3mica normal durante o olhar normal. <\/p>\n<p>O termo vem da combina\u00e7\u00e3o de palavras gregas: <strong><em>blepharon<\/em><\/strong> \u2013 p\u00e1lpebra e <strong><em>pt\u014dsis<\/em><\/strong> \u2013 o ato de cair.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Ophthalmology\/Upper%20eyelid%20ptosis\/Ptos_3.webp\" alt=\"Ptose da p\u00e1lpebra superior\"><figcaption class=\"wp-element-caption\">Ptose da p\u00e1lpebra superior \u2013 <a href=\"https:\/\/catalog.voka.io\/en\/models\/56bb91a2-f805-4f37-9c02-e68fff3fd23f\/bc21ea49-3e56-4067-a463-519bb312914c\/f0538ad1-fe4f-4ea7-885f-ffe9d945e23b\/e2f8cbbc-d948-487b-b732-01b50d80ed1c\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelo 3D<\/a><\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\" id=\"etiologia\">Etiologia <\/h2>\n<p><strong>A blefaroptose<\/strong> est\u00e1 subdividida em v\u00e1rios sistemas de classifica\u00e7\u00e3o que representam os aspectos patog\u00e9nicos, diagn\u00f3sticos, progn\u00f3sticos e terap\u00eauticos das suas v\u00e1rias manifesta\u00e7\u00f5es. <\/p>\n<figure class=\"wp-block-video\" id=\"animacao-3d-blefaroptose\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/ophthalmology\/blepharoptosis\/blepharoptosis.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Anima\u00e7\u00e3o 3D \u2013 Blefaroptose<\/figcaption><\/figure>\n<p><strong>A etiologia da ptose da p\u00e1lpebra superior<\/strong> divide-se em v\u00e1rias categorias:<\/p>\n<ol class=\"wp-block-list\">\n<li><strong>Ptose cong\u00e9nita<\/strong><\/li>\n<\/ol>\n<p>A <strong>manifesta\u00e7\u00e3o cl\u00e1ssica<\/strong> \u00e9 a queda n\u00e3o progressiva da p\u00e1lpebra superior, que \u00e9 <strong>unilateral<\/strong> em <strong>75% dos casos<\/strong> e <strong>assim\u00e9trica<\/strong> nos <strong>casos<\/strong> bilaterais.<\/p>\n<p><strong>Os estudos histopatol\u00f3gicos da<\/strong> ptose miog\u00e9nica cong\u00e9nita isolada mostraram <strong>disgenesia da<\/strong> por\u00e7\u00e3o anterior do elevador da p\u00e1lpebra superior, com perda de fibras musculares estriadas transversais e crescimento excessivo de tecido conjuntivo frouxo, prejudicando a capacidade de contra\u00e7\u00e3o ou relaxamento do elevador.<\/p>\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>Ptose adquirida<\/strong><\/li>\n<\/ol>\n<p>Pode ocorrer por v\u00e1rias raz\u00f5es, entre elas:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Doen\u00e7as neurol\u00f3gicas<\/strong>. A ptose apresentada nesta categoria \u00e9 secund\u00e1ria a uma perturba\u00e7\u00e3o da inerva\u00e7\u00e3o dos m\u00fasculos da p\u00e1lpebra superior. As vias nervosas envolvidas incluem principalmente o nervo oculomotor (3\u00ba par de nervos cranianos) e o sistema nervoso simp\u00e1tico. A ptose de etiologia neurog\u00e9nica \u00e9 normalmente causada por les\u00e3o do nervo oculomotor. A causa mais comum de les\u00e3o do III par de nervos cranianos \u00e9 a isqu\u00e9mia microvascular devida a factores de risco vasculop\u00e1ticos como a diabetes mellitus, a hipertens\u00e3o arterial, a hiperlipid\u00e9mia e o tabagismo. No entanto, existem outras causas, tais como:\n<ul class=\"wp-block-list\">\n<li>Aneurisma comunicante posterior;<\/li>\n<li>Arterite gigantocelular;<\/li>\n<li>Traumatismo ou neoplasia maligna.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul class=\"wp-block-list\">\n<li><strong>A miastenia gravis<\/strong> \u00e9 uma doen\u00e7a autoimune adquirida, que ocorre quando os auto-anticorpos para o recetor da acetilcolina perturbam as jun\u00e7\u00f5es neuromusculares p\u00f3s-sin\u00e1pticas. A ptose da p\u00e1lpebra superior \u00e9 o sintoma ocular mais comum na miastenia gravis com disfun\u00e7\u00e3o do elevador unilateral, bilateral ou alternada; arterite, traumatismo ou malignidade.  <\/li>\n<\/ul>\n<p><strong>Etiologia miog\u00e9nica<\/strong>: inclui miopatias heredit\u00e1rias prim\u00e1rias com decl\u00ednio progressivo cr\u00f3nico da fun\u00e7\u00e3o do elevador da p\u00e1lpebra superior, bem como miopatias secund\u00e1rias associadas a doen\u00e7as sist\u00e9micas. <\/p>\n<p><strong>As miopatias heredit\u00e1rias prim\u00e1rias<\/strong> consistem em doen\u00e7as mitocondriais e autoss\u00f3micas dominantes\/recessivas. <\/p>\n<p><strong>A oftalmoplegia externa cr\u00f3nica progressiva<\/strong> \u00e9 a miopatia heredit\u00e1ria prim\u00e1ria mais comum. Estes doentes apresentam normalmente ptose bilateral e oftalmoplegia entre os 30 e os 40 anos, que podem ser acompanhadas por perda auditiva neurossensorial e disfagia. <\/p>\n<p><strong>A distrofia muscular ocular<\/strong> \u00e9 uma forma rara de distrofia muscular cujos sintomas come\u00e7am geralmente entre os 40 e os 50 anos de idade. Esta doen\u00e7a caracteriza-se tamb\u00e9m pela presen\u00e7a de ptose progressiva e oftalmoplegia externa. Esta patologia \u00e9 diagnosticada por uma muta\u00e7\u00e3o autoss\u00f3mica dominante do gene PABPN1 com disfagia sist\u00e9mica e fraqueza dos membros proximais.  <\/p>\n<ul class=\"wp-block-list\">\n<li><strong>A ptose traum\u00e1tica<\/strong> resulta de uma les\u00e3o do elevador da p\u00e1lpebra, da aponeurose do elevador da p\u00e1lpebra, do m\u00fasculo M\u00fclleriano, do m\u00fasculo frontal ou da sua inerva\u00e7\u00e3o. O mecanismo de les\u00e3o pode incluir les\u00f5es musculares diretas ou indirectas, neurotoxinas, efeitos indirectos de cicatrizes ou corpos estranhos, les\u00f5es iatrog\u00e9nicas, les\u00f5es dos nervos cranianos ou cicatrizes da pele.  <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\" id=\"classificacao-da-ptose-da-palpebra-superior\"><strong>Classifica\u00e7\u00e3o da ptose da p\u00e1lpebra superior<\/strong><\/h2>\n<p>De acordo com a classifica\u00e7\u00e3o cl\u00ednica da blefaroptose, distinguem-se:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Grau ligeiro<\/strong> \u2013 quando a p\u00e1lpebra superior est\u00e1 baixada 1,5-2,0 mm e o seu bordo n\u00e3o cobre a pupila;<\/li>\n<li><strong>Grau m\u00e9dio<\/strong> \u2013 quando a p\u00e1lpebra superior atinge o bordo superior da pupila;<\/li>\n<li><strong>Grau severo<\/strong> \u2013 quando a p\u00e1lpebra superior est\u00e1 baixada em cerca de 4,0 mm e a pupila est\u00e1 completamente fechada.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/catalog.voka.io\/en\/models\/56bb91a2-f805-4f37-9c02-e68fff3fd23f\/bc21ea49-3e56-4067-a463-519bb312914c\/f0538ad1-fe4f-4ea7-885f-ffe9d945e23b\/d965005a-df94-47f1-be7a-db787bdd0f2e\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelos 3D<\/a> de ptoses da p\u00e1lpebra superior de diferentes graus:<\/p>\n<div class=\"carousel-block\">\n<div class=\"swiper carousel-swiper carousel-swiper-block_69efbb4d0d762\">\n<div class=\"swiper-wrapper\">\n<div class=\"swiper-slide image-carousel-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Ophthalmology\/Upper%20eyelid%20ptosis\/Ptos_1.webp\" alt=\"Ptose - primeira fase\"><span class=\"small-text-article text-main-text-color\">Ptose \u2013 primeira fase<\/span><\/div>\n<div class=\"swiper-slide image-carousel-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Ophthalmology\/Upper%20eyelid%20ptosis\/Ptos_2.webp\" alt=\"Ptose - segunda fase\"><span class=\"small-text-article text-main-text-color\">Ptose \u2013 segunda fase<\/span><\/div>\n<div class=\"swiper-slide image-carousel-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Ophthalmology\/Upper%20eyelid%20ptosis\/Ptos_3.webp\" alt=\"Ptose - terceira fase\"><span class=\"small-text-article text-main-text-color\">Ptose \u2013 terceira fase<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"swiper-article-carousel__controls\">\n<div class=\"swiper-article-carousel__pagination-container swiper-article-carousel__pagination-container-block_69efbb4d0d762\"><\/div>\n<div class=\"swiper-article-carousel__arrows\"><button class=\"swiper__arrow swiper__arrow--prev carousel-swiper-button-prev swiper__arrow swiper__arrow--prev carousel-swiper-button-prev-block_69efbb4d0d762\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewbox=\"0 0 40 40\" fill=\"none\"><path d=\"M20 3.75C16.7861 3.75 13.6443 4.70305 10.972 6.48862C8.29969 8.27419 6.21689 10.8121 4.98696 13.7814C3.75704 16.7507 3.43524 20.018 4.06225 23.1702C4.68926 26.3224 6.23692 29.2179 8.50952 31.4905C10.7821 33.7631 13.6776 35.3107 16.8298 35.9378C19.982 36.5648 23.2493 36.243 26.2186 35.013C29.1879 33.7831 31.7258 31.7003 33.5114 29.028C35.297 26.3557 36.25 23.2139 36.25 20C36.2455 15.6916 34.5319 11.561 31.4855 8.51454C28.439 5.46806 24.3084 3.75455 20 3.75ZM23.3844 25.3656C23.5005 25.4818 23.5926 25.6196 23.6555 25.7714C23.7184 25.9231 23.7507 26.0858 23.7507 26.25C23.7507 26.4142 23.7184 26.5769 23.6555 26.7286C23.5926 26.8804 23.5005 27.0182 23.3844 27.1344C23.2682 27.2505 23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 20.7683 15.1572 20.6304 15.0943 20.4787C15.0314 20.3269 14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><button class=\"swiper__arrow swiper__arrow--next carousel-swiper-button-next swiper__arrow swiper__arrow--next carousel-swiper-button-next-block_69efbb4d0d762\" tabindex=\"0\" aria-label=\"Next slide\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewbox=\"0 0 40 40\" fill=\"none\"><path d=\"M20 3.75C16.7861 3.75 13.6443 4.70305 10.972 6.48862C8.29969 8.27419 6.21689 10.8121 4.98696 13.7814C3.75704 16.7507 3.43524 20.018 4.06225 23.1702C4.68926 26.3224 6.23692 29.2179 8.50952 31.4905C10.7821 33.7631 13.6776 35.3107 16.8298 35.9378C19.982 36.5648 23.2493 36.243 26.2186 35.013C29.1879 33.7831 31.7258 31.7003 33.5114 29.028C35.297 26.3557 36.25 23.2139 36.25 20C36.2455 15.6916 34.5319 11.561 31.4855 8.51454C28.439 5.46806 24.3084 3.75455 20 3.75ZM23.3844 25.3656C23.5005 25.4818 23.5926 25.6196 23.6555 25.7714C23.7184 25.9231 23.7507 26.0858 23.7507 26.25C23.7507 26.4142 23.7184 26.5769 23.6555 26.7286C23.5926 26.8804 23.5005 27.0182 23.3844 27.1344C23.2682 27.2505 23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 20.7683 15.1572 20.6304 15.0943 20.4787C15.0314 20.3269 14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><\/div>\n<\/div>\n<\/div>\n<p><script defer>\n    document.addEventListener('DOMContentLoaded', function() {\n        const imagesCarouselSwiper = new Swiper('.carousel-swiper-block_69efbb4d0d762', {\n            slidesPerView: 1,\n            spaceBetween: 20,\n            loop: true,\n            pagination: {\n                el: '.swiper-article-carousel__pagination-container-block_69efbb4d0d762',\n                clickable: true,\n            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Qualquer impacto direto ou indireto sobre estes m\u00fasculos pode provocar <strong>blefaroptose<\/strong>. <\/p>\n<p>O <strong>m\u00fasculo <\/strong><strong>elevador <\/strong><strong>da p\u00e1lpebra superior<\/strong>, antagonista do m\u00fasculo orbicular do olho, parte da pequena asa do osso cuneiforme. O m\u00fasculo reto superior origina-se abaixo e o m\u00fasculo obl\u00edquo superior medialmente. Ao n\u00edvel da margem supra-orbit\u00e1ria, o elevador da p\u00e1lpebra superior transforma-se num tend\u00e3o largo dividido em por\u00e7\u00f5es anterior, m\u00e9dia e posterior (pernas).  <\/p>\n<ul class=\"wp-block-list\">\n<li>A <strong>perna anterior do elevador da p\u00e1lpebra superior<\/strong> est\u00e1 inserida na pele da p\u00e1lpebra superior;<\/li>\n<li>As <strong>pernas medial e posterior<\/strong> fixam-se ao bordo superior da placa tarsal e ao arco conjuntival superior, respetivamente.<\/li>\n<\/ul>\n<p>As <strong>pernas anterior e posterior<\/strong> s\u00e3o inervadas pelo <strong>ramo superior do nervo oculomotor<\/strong> e a <strong>perna m\u00e9dia<\/strong> por fibras simp\u00e1ticas do g\u00e2nglio simp\u00e1tico cervical. A por\u00e7\u00e3o m\u00e9dia do elevador da p\u00e1lpebra superior \u00e9 designada por m\u00fasculo <strong>tarsal superior<\/strong> ou <strong>m\u00fasculo de Muller<\/strong> e \u00e9 atualmente considerada como uma estrutura anat\u00f3mica muscular lisa independente \u2013 um fator de mobilidade vertical da p\u00e1lpebra superior, actuando em complexo com o elevador da p\u00e1lpebra superior. <\/p>\n<p>A base de cada p\u00e1lpebra \u00e9 uma <strong>placa tarsal<\/strong> fibrosa grosseira de tecido conjuntivo denso, com <strong>29-30 mm<\/strong><strong>de comprimento<\/strong> e <strong>1 mm<\/strong><strong>de espessura<\/strong>, e a <strong>altura<\/strong> da p\u00e1lpebra superior \u00e9 de <strong>10-12<\/strong><strong>mm<\/strong>.<\/p>\n<p><strong>Os ligamentos medial e lateral das p\u00e1lpebras<\/strong> originam-se das por\u00e7\u00f5es terminais <strong>medial<\/strong> e lateral das placas tarsais superior e inferior. <\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Ophthalmology\/Upper%20eyelid%20ptosis\/Norm_Eye1%2B2.webp\" alt=\"Modelos 3D da anatomia normal da p\u00e1lpebra superior\"><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/catalog.voka.io\/en\/models\/56bb91a2-f805-4f37-9c02-e68fff3fd23f\/53b7bbff-9e3a-4c71-9cc4-34d337c6c3db\/3cb4c691-198d-4e6e-bed4-1713078cc1a6\/6ad70205-c59e-4225-b576-e1d81d30d0e1\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Modelos 3D<\/a> da anatomia normal da p\u00e1lpebra superior<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\" id=\"diagnostico\"><strong>Diagn\u00f3stico<\/strong><\/h2>\n<ol class=\"wp-block-list\">\n<li><strong>Queixas dos doentes<\/strong>: As sensa\u00e7\u00f5es subjectivas sentidas pelas pessoas com queda da p\u00e1lpebra superior s\u00e3o bastante padronizadas. Estas incluem um campo de vis\u00e3o reduzido e problemas relacionados com a leitura e a condu\u00e7\u00e3o, dores de cabe\u00e7a e fadiga constante devido \u00e0 sobrecarga compensat\u00f3ria for\u00e7ada e cont\u00ednua do abd\u00f3men frontal do m\u00fasculo occipito-frontal, que eleva a sobrancelha para cima, bem como dos m\u00fasculos que estendem o pesco\u00e7o e proporcionam uma inclina\u00e7\u00e3o da cabe\u00e7a para tr\u00e1s (trap\u00e9zio, etc.). <\/li>\n<li><strong>Recolha de dados anamn\u00e9sicos<\/strong>: durante a entrevista com o paciente, a presen\u00e7a ou aus\u00eancia de: <\/li>\n<\/ol>\n<ul class=\"wp-block-list\">\n<li>Doen\u00e7as anteriores do \u00f3rg\u00e3o da vis\u00e3o, les\u00f5es traum\u00e1ticas da p\u00e1lpebra, da \u00f3rbita ou da cabe\u00e7a, tratamento cir\u00fargico das p\u00e1lpebras; <\/li>\n<li>Diplopia, variabilidade diurna do n\u00edvel da p\u00e1lpebra superior, aumento da fadiga geral, oftalmoplegia externa progressiva cr\u00f3nica, distrofia miot\u00f3nica, hist\u00f3ria familiar de ptose; <\/li>\n<li>Traumatismo recente, incluindo les\u00f5es na cabe\u00e7a; <\/li>\n<li>Doen\u00e7as som\u00e1ticas associadas \u2013 sistemas nervoso, end\u00f3crino, cardiovascular, bem como doen\u00e7as da tiroide, diabetes mellitus;<\/li>\n<li>Esclarecimento da hist\u00f3ria farmacol\u00f3gica.<\/li>\n<\/ul>\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Exames cl\u00ednicos<\/strong>: determina\u00e7\u00e3o da acuidade visual (visometria), autoceratometria, medi\u00e7\u00e3o da press\u00e3o intraocular, biomicroscopia com l\u00e2mpada de fenda oftalmol\u00f3gica, oftalmoscopia, determina\u00e7\u00e3o est\u00e1tica e cin\u00e9tica dos limites do campo visual. Os m\u00e9todos de diagn\u00f3stico da ptose da p\u00e1lpebra superior e de determina\u00e7\u00e3o da sua gravidade incluem: a medi\u00e7\u00e3o da altura da fenda ocular e da dist\u00e2ncia da margem palpebral ao reflexo corneano, a avalia\u00e7\u00e3o da fun\u00e7\u00e3o do m\u00fasculo que eleva a p\u00e1lpebra superior, bem como a medi\u00e7\u00e3o da altura da prega palpebral superior. A biomicroscopia avalia o estado da conjuntiva, da c\u00f3rnea, a cor da \u00edris, a largura e a mobilidade da pupila. A conjuntivite e a ceratopatia podem ser as causas da blefaroptose reactiva. O diagn\u00f3stico moderno da miastenia gravis em doentes com blefaroptose inclui testes preliminares para detetar a fatigabilidade patol\u00f3gica dos m\u00fasculos oculares (teste do sono, teste do gelo), teste de tensilon, an\u00e1lise do soro para o n\u00edvel de auto-anticorpos para o recetor muscular da acetilcolina e estudo electromiogr\u00e1fico.     <\/li>\n<\/ol>\n<h2 class=\"wp-block-heading\" id=\"tratamento-da-ptose-da-palpebra-superior\"><strong>Tratamento da ptose da p\u00e1lpebra superior<\/strong><\/h2>\n<p>O tratamento da blefaroptose depende da sua causa, gravidade e sintomas associados. <\/p>\n<h3 class=\"wp-block-heading\" id=\"terapia-medicamentosa\"><strong>Terapia medicamentosa<\/strong><\/h3>\n<p><strong>Pode ser utilizado para tratar certas formas de ptose<\/strong>. As doen\u00e7as oculares associadas a doen\u00e7as da tiroide podem ser acompanhadas de queda da p\u00e1lpebra superior e devem ser tratadas com <strong>corticoster\u00f3ides<\/strong> e\/ou <strong>terapia imunomoduladora<\/strong> para garantir e esperar aproximadamente <strong>6-9 meses de estabilidade da p\u00e1lpebra<\/strong> antes da cirurgia. <\/p>\n<p>Dada a consider\u00e1vel varia\u00e7\u00e3o da fun\u00e7\u00e3o do elevador na <strong>miastenia<\/strong> gravis, idealmente a dose de <strong>inibidores da colinesterase<\/strong> e\/ou <strong>corticoster\u00f3ides<\/strong> deve ser adaptada para assegurar a estabiliza\u00e7\u00e3o do processo durante <strong>3-4 anos<\/strong> antes da corre\u00e7\u00e3o cir\u00fargica.<\/p>\n<p>A inje\u00e7\u00e3o de toxina botul\u00ednica na por\u00e7\u00e3o pr\u00e9-tarsal do m\u00fasculo orbicularis oculi pode ser utilizada com sucesso para tratar a ptose aponeur\u00f3tica adquirida ligeira ou a ptose neurog\u00e9nica adquirida.<\/p>\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<h3 class=\"wp-block-heading\" id=\"tratamento-cirurgico\"><strong>Tratamento cir\u00fargico<\/strong><\/h3>\n<p>As formas de eliminar a blefaroptose dividem-se nos seguintes tipos:<\/p>\n<ul class=\"wp-block-list\">\n<li>O 1\u00ba tipo \u00e9 um aumento da fun\u00e7\u00e3o do m\u00fasculo que levanta a p\u00e1lpebra superior;<\/li>\n<li>O segundo tipo \u00e9 a suspens\u00e3o da p\u00e1lpebra superior no m\u00fasculo reto superior ou no m\u00fasculo frontal.<\/li>\n<\/ul>\n<p>Na cirurgia oftalmol\u00f3gica moderna, \u00e9 geralmente aceite que quando a fun\u00e7\u00e3o do elevador \u00e9 fraca, \u00e9 efectuada uma cirurgia do tipo suspens\u00e3o, enquanto que quando a fun\u00e7\u00e3o \u00e9 m\u00e9dia ou boa, \u00e9 efectuada uma ressec\u00e7\u00e3o do elevador.<\/p>\n<p>Na cirurgia <strong>do tipo suspens\u00e3o<\/strong>, a fun\u00e7\u00e3o de eleva\u00e7\u00e3o da p\u00e1lpebra superior \u00e9 transferida para os m\u00fasculos frontal ou reto superior. Este m\u00e9todo de elimina\u00e7\u00e3o da ptose tem sido descrito em diversas varia\u00e7\u00f5es, utilizando diferentes suturas, bem como materiais provenientes de autotecidos: m\u00fasculo, esclera, dura-m\u00e1ter, f\u00e1scia lata da coxa, entre outros. Os automateriais, com exce\u00e7\u00e3o da f\u00e1scia lata, s\u00e3o raramente utilizados atualmente devido ao seu efeito insuficiente, bem como ao desenvolvimento de recidiva da blefaroptose.  <\/p>\n<p>Outra op\u00e7\u00e3o de tratamento patog\u00e9nico para a blefaroptose \u00e9 a <strong>ressec\u00e7\u00e3o do elevador da p\u00e1lpebra superior.<\/strong> O efeito anat\u00f3mico da cirurgia consiste em restaurar a posi\u00e7\u00e3o normal da p\u00e1lpebra superior. Em graus graves de blefaroptose, recomenda-se a ressec\u00e7\u00e3o m\u00e1xima do elevador, o que implica o cruzamento completo das pernas laterais da aponeurose e do ligamento de Whitnall.  <\/p>\n<p>As opera\u00e7\u00f5es que <strong>fortalecem o m\u00fasculo que levanta a p\u00e1lpebra superior<\/strong> podem ser divididas em 2 grupos, nos quais \u00e9 realizada uma ressec\u00e7\u00e3o transcut\u00e2nea do elevador ou uma ressec\u00e7\u00e3o transconjuntival do elevador, na qual \u00e9 criada uma prega para encurtar o tend\u00e3o do elevador. <\/p>\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. Um beb\u00e9 rec\u00e9m-nascido pode ter ptose?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Sim, a ptose cong\u00e9nita ocorre em beb\u00e9s e est\u00e1 normalmente associada ao subdesenvolvimento do m\u00fasculo que levanta a p\u00e1lpebra (elevador). Os principais sinais s\u00e3o: <br \/>\u2022 Abaixamento de uma ou ambas as p\u00e1lpebras. <br \/>\u2022 A crian\u00e7a levanta as sobrancelhas ou inclina a cabe\u00e7a para ver melhor.<br \/>\u2022 Pode ocorrer ambliopia (\u201colho pregui\u00e7oso\u201d) devido \u00e0 sobreposi\u00e7\u00e3o da pupila. <\/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. \u00c9 necess\u00e1ria cirurgia para a ptose cong\u00e9nita numa crian\u00e7a?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Se a ptose interferir com a vis\u00e3o (bloqueia a pupila), a cirurgia \u00e9 efectuada numa idade precoce (1-3 anos) para evitar a ambliopia. Em casos ligeiros, \u00e9 poss\u00edvel adiar a opera\u00e7\u00e3o at\u00e9 aos 4-5 anos de idade. <\/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 causas da ptose cong\u00e9nita da p\u00e1lpebra superior?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Principais causas: <br \/>\u2022 Doen\u00e7as gen\u00e9ticas (por exemplo, blefarofimose, s\u00edndromes de Duane); <br \/>\u2022 Hipoplasia do elevador \u2013 o m\u00fasculo est\u00e1 subdesenvolvido e n\u00e3o levanta a p\u00e1lpebra; <br \/>\u2022 Traumatismo de nascimento (raro) \u2013 les\u00e3o de um nervo ou m\u00fasculo.<\/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. A ptose pode desaparecer por si pr\u00f3pria?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">N\u00e3o, n\u00e3o desaparece sem tratamento. A ptose relacionada com a idade pode progredir. <\/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. A ptose \u00e9 perigosa?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Sim, se a p\u00e1lpebra tapa a pupila, a vis\u00e3o diminui. Tamb\u00e9m podes ter dores de cabe\u00e7a devido \u00e0 tens\u00e3o muscular constante. <\/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=\"lista-de-fontes\">\n<div class=\"sources-list-content\">\n<div class=\"sources-list-title\">\n<p class=\"small-text-bold text-black sources-list-title-text\">Lista de fontes<\/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\">Cat\u00e1logo VOKA.<\/p>\n<p><span class=\"small-text-medium text-grey\">https:\/\/catalog.voka.io\/<br \/>\n <\/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\">Ptosis. Merriam-Webster Medical Dictionary.  <\/p>\n<p><span class=\"small-text-medium text-grey\">Available from: https:\/\/www.merriam-webster.com\/dictionary\/ptosis. [Last accessed on 27 Nov 2020].<\/span><\/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\">Belphar-. Merriam-Webster Medical Dictionary. <\/p>\n<p><span class=\"small-text-medium text-grey\">Available from: https:\/\/www.merriam-webster.com\/dictionary\/blephar-. [Last accessed on 27 Nov 2020]<\/span><\/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\">Nalci Baytaro\u011flu H, Kaya B, Korkusuz P, Ho\u015fal MB. A study of histopathologic evaluation and clinical correlation for isolated congenital myogenic ptosis and aponeurotic ptosis. Ophthalmic Plast Reconstr Surg 2020;36:380-4.  <\/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\">Bacharach J., Lee, W.W., Harrison, A.R. et al. A review of acquired blepharoptosis: prevalence, diagnosis, and current treatment options \/\/ Eye. \u2013 2021. \u2013 Vol.    35. \u2013 P. 2468\u20132481. <\/p>\n<p><span class=\"small-text-medium text-grey\">https:\/\/doi.org\/10.1038\/s41433-021-01547-5.<\/span><\/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\">G\u00f6nc\u00fc T., \u00c7akmak S., Akal A., Karaismailo\u011flu E. Improvement in Levator Function After Anterior Levator Resection for the Treatment of Congenital Ptosis \/\/ Ophthalmic Plastic and Reconstructive Surgery. \u2013 2014. \u2013 Vol.   31(3). DOI: 10.1097\/IOP.0000000000000242.<\/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\">Li, Z. et al. Artificial intelligence in ophthalmology: The path to the real-world clinic. Cell Rep. Med.    4, 101095 (2023). DOI: 10.1016\/j.xcrm.2023.101095<\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">8.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\">Hung, J. Y. et al. A deep learning approach to identify blepharoptosis by convolutional neural networks. Int. J. Med. Inform.     148, 104402 (2021).  <\/p>\n<p><span class=\"small-text-medium text-grey\">https:\/\/doi.org\/10.3390\/jpm12020283<\/span><\/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 ptose da p\u00e1lpebra superior(blefaroptose) \u00e9 uma condi\u00e7\u00e3o patol\u00f3gica caracterizada pela queda da p\u00e1lpebra superior abaixo da sua posi\u00e7\u00e3o anat\u00f3mica normal durante o olhar normal. O termo vem da combina\u00e7\u00e3o de palavras gregas: blepharon &#8211; p\u00e1lpebra e pt\u014dsis &#8211; o ato de cair. Etiologia A blefaroptose est\u00e1 subdividida em v\u00e1rios sistemas de classifica\u00e7\u00e3o que representam [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":0,"template":"","diseases_category":[300],"class_list":["post-880","diseases_post","type-diseases_post","status-publish","hentry","diseases_category-oculares"],"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>Ptose da p\u00e1lpebra superior (blefaroptose): Causas, classifica\u00e7\u00e3o, tratamento<\/title>\n<meta name=\"description\" content=\"O que \u00e9 a ptose da p\u00e1lpebra superior (blefaroptose)? Examina a etiologia (cong\u00e9nita, neurog\u00e9nica), os graus, a classifica\u00e7\u00e3o e os m\u00e9todos de tratamento.\" \/>\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=\"Ptose da p\u00e1lpebra superior (blefaroptose): Causas, classifica\u00e7\u00e3o, tratamento\" \/>\n<meta property=\"og:description\" content=\"O que \u00e9 a ptose da p\u00e1lpebra superior (blefaroptose)? 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