{"id":1491,"date":"2025-09-18T12:19:02","date_gmt":"2025-09-18T09:19:02","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/perda-auditiva-condutiva\/"},"modified":"2026-09-11T14:37:35","modified_gmt":"2026-09-11T11:37:35","slug":"perda-auditiva-condutiva","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/pt\/glossario\/perda-auditiva-condutiva\/","title":{"rendered":"Perda auditiva condutiva"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A perda auditiva condutiva \u00e9 um tipo de perda auditiva causada por uma perturba\u00e7\u00e3o na condu\u00e7\u00e3o das ondas sonoras no ouvido externo ou m\u00e9dio. Entretanto, o sistema auditivo: o ouvido interno (c\u00f3clea) e o nervo auditivo, permanece intacto.<\/p>\n\n<p class=\"wp-block-paragraph\">O problema decorre de uma obstru\u00e7\u00e3o mec\u00e2nica ao som. As vibra\u00e7\u00f5es sonoras n\u00e3o conseguem atingir eficazmente os recetores sensoriais do ouvido interno, fazendo com que os sons sejam percebidos como abafados. Geralmente, este tipo de perda auditiva \u00e9 revers\u00edvel e trat\u00e1vel.<\/p>\n\n<h2 id=\"h-&#x44D;&#x442;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\" class=\"wp-block-heading\"><strong>Etiologia e fisiopatologia<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">As causas da perda auditiva condutiva est\u00e3o relacionadas com a patologia das estruturas respons\u00e1veis pela condu\u00e7\u00e3o e amplifica\u00e7\u00e3o do som.<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Patologias do ouvido externo:\n<ul class=\"wp-block-list\">\n<li><strong>Rolha de cer\u00famen<\/strong> A causa mais comum e facilmente trat\u00e1vel.<\/li>\n\n\n\n<li><strong>Otite externa.<\/strong> Edema das paredes do canal auditivo.<\/li>\n\n\n\n<li><strong>Atresia do canal auditivo.<\/strong> Aus\u00eancia cong\u00e9nita ou estreitamento do canal.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/catalog.voka.io\/en\/models\/8861ee9e-a330-4451-856d-1de6ead27805\/238aaaf3-c046-49d2-a32b-590d7b0c31fe\/13275d3d-77cc-4c22-b0fc-969c5024a133\/c0c69530-2338-4463-9b37-ecc242ab5b07\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">modelos 3D<\/a> de patologias do ouvido externo:<\/p>\n\n<div class=\"carousel-block\">\n    <div class=\"swiper carousel-swiper carousel-swiper-block_6acf508e30295\">\n        <div class=\"swiper-wrapper\">\n                    <div class=\"swiper-slide image-carousel-slide\">\n                <img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/glossary\/otorhinolaryngology\/conductive-hearing-loss\/cerumen-impaction-in-the-external-auditory-canal.webp\" alt=\"Obstru\u00e7\u00e3o do canal auditivo por massas de cer\u00famen\" \/>\n                <span class=\"small-text-article text-main-text-color\">Obstru\u00e7\u00e3o do canal auditivo por massas de cer\u00famen<\/span>            <\/div>\n                    <div class=\"swiper-slide image-carousel-slide\">\n                <img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/glossary\/otorhinolaryngology\/conductive-hearing-loss\/external-otitis-media.webp\" alt=\"Otite externa\" \/>\n                <span class=\"small-text-article text-main-text-color\">Otite externa<\/span>            <\/div>\n                    <div class=\"swiper-slide image-carousel-slide\">\n                <img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/glossary\/otorhinolaryngology\/conductive-hearing-loss\/complete-external-auditory-canal-atresia.webp\" alt=\"Atresia completa do canal auditivo externo\" \/>\n                <span class=\"small-text-article text-main-text-color\">Atresia completa do canal auditivo externo<\/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_6acf508e30295\"><\/div>\n        <div class=\"swiper-article-carousel__arrows\">\n            <button class=\"swiper__arrow swiper__arrow--prev carousel-swiper-button-prev swiper__arrow swiper__arrow--prev carousel-swiper-button-prev-block_6acf508e30295\">\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewBox=\"0 0 40 40\" fill=\"none\">\n                    <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\"\/>\n                <\/svg>\n            <\/button>\n            <button class=\"swiper__arrow swiper__arrow--next carousel-swiper-button-next swiper__arrow swiper__arrow--next carousel-swiper-button-next-block_6acf508e30295\" tabindex=\"0\" aria-label=\"Next slide\">\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewBox=\"0 0 40 40\" fill=\"none\">\n                    <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\"\/>\n                <\/svg>\n            <\/button>\n        <\/div>\n    <\/div>\n<\/div>\n\n<script defer>\n    document.addEventListener('DOMContentLoaded', function() {\n        const imagesCarouselSwiper = new Swiper('.carousel-swiper-block_6acf508e30295', {\n            slidesPerView: 1,\n            spaceBetween: 20,\n            loop: true,\n            pagination: {\n                el: '.swiper-article-carousel__pagination-container-block_6acf508e30295',\n                clickable: true,\n            },\n            navigation: {\n                nextEl: '.carousel-swiper-button-next-block_6acf508e30295',\n                prevEl: '.carousel-swiper-button-prev-block_6acf508e30295',\n            },\n        })\n    })\n<\/script>\n<ul class=\"wp-block-list\">\n<li>Patologias do ouvido m\u00e9dio:\n<ul class=\"wp-block-list\">\n<li><strong>Perfura\u00e7\u00e3o do t\u00edmpano.<\/strong> Viola\u00e7\u00e3o da sua integridade.<\/li>\n\n\n\n<li><strong>Otite m\u00e9dia.<\/strong> Acumula\u00e7\u00e3o de l\u00edquido (exsudato) na cavidade timp\u00e2nica.<\/li>\n\n\n\n<li><strong>Otosclerose.<\/strong> Fixa\u00e7\u00e3o do estribo (um dos oss\u00edculos auditivos), prejudicando a transmiss\u00e3o das vibra\u00e7\u00f5es.<\/li>\n\n\n\n<li><strong>Destrui\u00e7\u00e3o da cadeia ossicular.<\/strong> Frequentemente \u00e9 consequ\u00eancia de um traumatismo.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/catalog.voka.io\/en\/models\/8861ee9e-a330-4451-856d-1de6ead27805\/f13d83d8-862a-4a68-be01-e56d73fa4aec\/119aa887-4fc4-469f-b4fc-dd97c0d7bf44\/bf129ad9-e9ef-4f6e-a80c-c70dcc8780b3\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">modelos 3D<\/a> de patologias do ouvido m\u00e9dio:<\/p>\n\n<div class=\"carousel-block\">\n    <div class=\"swiper carousel-swiper carousel-swiper-block_6acf508e31915\">\n        <div class=\"swiper-wrapper\">\n                    <div class=\"swiper-slide image-carousel-slide\">\n                <img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/glossary\/otorhinolaryngology\/conductive-hearing-loss\/traumatic-tympanic-membrane-perforation.webp\" alt=\"Perfura\u00e7\u00e3o traum\u00e1tica da membrana timp\u00e2nica\" \/>\n                <span class=\"small-text-article text-main-text-color\">Perfura\u00e7\u00e3o traum\u00e1tica da membrana timp\u00e2nica<\/span>            <\/div>\n                    <div class=\"swiper-slide image-carousel-slide\">\n                <img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/glossary\/otorhinolaryngology\/conductive-hearing-loss\/chronic-otitis-media-with-effusion.webp\" alt=\"Otite m\u00e9dia cr\u00f4nica secretora (exsudativa)\" \/>\n                <span class=\"small-text-article text-main-text-color\">Otite m\u00e9dia cr\u00f4nica secretora (exsudativa)<\/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_6acf508e31915\"><\/div>\n        <div class=\"swiper-article-carousel__arrows\">\n            <button class=\"swiper__arrow swiper__arrow--prev carousel-swiper-button-prev swiper__arrow swiper__arrow--prev carousel-swiper-button-prev-block_6acf508e31915\">\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewBox=\"0 0 40 40\" fill=\"none\">\n                    <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\"\/>\n                <\/svg>\n            <\/button>\n            <button class=\"swiper__arrow swiper__arrow--next carousel-swiper-button-next swiper__arrow swiper__arrow--next carousel-swiper-button-next-block_6acf508e31915\" tabindex=\"0\" aria-label=\"Next slide\">\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewBox=\"0 0 40 40\" fill=\"none\">\n                    <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\"\/>\n                <\/svg>\n            <\/button>\n        <\/div>\n    <\/div>\n<\/div>\n\n<script defer>\n    document.addEventListener('DOMContentLoaded', function() {\n        const imagesCarouselSwiper = new Swiper('.carousel-swiper-block_6acf508e31915', {\n            slidesPerView: 1,\n            spaceBetween: 20,\n            loop: true,\n            pagination: {\n                el: '.swiper-article-carousel__pagination-container-block_6acf508e31915',\n                clickable: true,\n            },\n            navigation: {\n                nextEl: '.carousel-swiper-button-next-block_6acf508e31915',\n                prevEl: '.carousel-swiper-button-prev-block_6acf508e31915',\n            },\n        })\n    })\n<\/script>\n<h2 id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\" class=\"wp-block-heading\"><strong>Import\u00e2ncia cl\u00ednica<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Os doentes com perda auditiva condutiva queixam-se de perda auditiva generalizada e sensa\u00e7\u00e3o de ouvido entupido (plenitude auricular) ou press\u00e3o no ouvido. Um sintoma caracter\u00edstico \u00e9 a melhoria da perce\u00e7\u00e3o da pr\u00f3pria voz, que parece anormalmente alta.<\/p>\n\n<p class=\"wp-block-paragraph\">A audiometria tonal liminar \u00e9 o padr\u00e3o ouro do diagn\u00f3stico. O principal crit\u00e9rio de diagn\u00f3stico no audiograma \u00e9 a presen\u00e7a de gap (diferencial) a\u00e9reo-\u00f3sseo. Trata-se da diferen\u00e7a entre os limiares auditivos determinados atrav\u00e9s da condu\u00e7\u00e3o a\u00e9rea (nos auscultadores) e condu\u00e7\u00e3o \u00f3ssea (atrav\u00e9s de um vibrador colocado no processo mastoide).<\/p>\n\n<p class=\"wp-block-paragraph\">Ao contr\u00e1rio da surdez neurossensorial, a perda auditiva condutiva pode  frequentemente ser tratada com sucesso. O tratamento visa eliminar a causa subjacente: remo\u00e7\u00e3o de cer\u00famen, medica\u00e7\u00e3o para a otite m\u00e9dia, reconstru\u00e7\u00e3o cir\u00fargica da membrana timp\u00e2nica (miringoplastia) ou da cadeia ossicular (ossiculoplastia).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A perda auditiva condutiva \u00e9 um tipo de perda auditiva causada por uma perturba\u00e7\u00e3o na condu\u00e7\u00e3o das ondas sonoras no ouvido externo ou m\u00e9dio. Entretanto, o sistema auditivo: o ouvido interno (c\u00f3clea) e o nervo auditivo, permanece intacto.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-1491","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Perda auditiva condutiva: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki<\/title>\n<meta name=\"description\" content=\"A perda auditiva condutiva \u00e9 um tipo de perda auditiva causada por uma perturba\u00e7\u00e3o na condu\u00e7\u00e3o das ondas sonoras no ouvido externo ou m\u00e9dio. Entretanto, o sistema auditivo: o ouvido interno (c\u00f3clea) e o nervo auditivo, permanece intacto.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wiki.voka.io\/pt\/glossario\/perda-auditiva-condutiva\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Perda auditiva condutiva\" \/>\n<meta property=\"og:description\" content=\"A perda auditiva condutiva \u00e9 um tipo de perda auditiva causada por uma perturba\u00e7\u00e3o na condu\u00e7\u00e3o das ondas sonoras no ouvido externo ou m\u00e9dio. 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