{"id":12649,"date":"2025-07-09T09:47:09","date_gmt":"2025-07-09T13:47:09","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/kidney-stones\/"},"modified":"2025-07-09T09:47:09","modified_gmt":"2025-07-09T13:47:09","slug":"calculos-renais","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/calculos-renais\/","title":{"rendered":"C\u00e1lculos Renais"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[126],"glossary-product":[107],"class_list":["post-12649","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-urological-conditions","glossary-product-contireflex-enhanced-aus"],"acf":{"gt-definition":"<p>Os c\u00e1lculos renais s\u00e3o peda\u00e7os de material duro, semelhantes a seixos, que se formam em um ou ambos os rins quando altos n\u00edveis de certos minerais est\u00e3o na urina.<sup>1<\/sup> S\u00e3o dep\u00f3sitos minerais nos c\u00e1lices renais e na pelve que se encontram livres ou ligados \u00e0s papilas renais.<sup>2<\/sup> Os c\u00e1lculos renais cont\u00eam componentes cristalinos e org\u00e2nicos e s\u00e3o formados quando a urina fica supersaturada em rela\u00e7\u00e3o a um mineral.<sup>2<\/sup> A maioria dos c\u00e1lculos urin\u00e1rios come\u00e7a como placa de Randall na jun\u00e7\u00e3o do t\u00fabulo coletor do n\u00e9fron e da pelve renal na papila.<sup>3<\/sup> O oxalato de c\u00e1lcio \u00e9 o principal constituinte da maioria dos c\u00e1lculos, muitos dos quais se formam sobre uma base de fosfato de c\u00e1lcio chamada placas de Randall, que est\u00e3o presentes na superf\u00edcie papilar renal.<sup>2<\/sup> Os c\u00e1lculos renais variam. em tamanho e forma, variando de t\u00e3o pequeno quanto um gr\u00e3o de areia at\u00e9 t\u00e3o grande quanto uma bola de golfe, e geralmente s\u00e3o de cor amarela ou marrom.<sup>1<\/sup> O nome cient\u00edfico de uma pedra nos rins \u00e9 c\u00e1lculo renal ou nefr\u00f3lito, e a condi\u00e7\u00e3o tamb\u00e9m pode ser referida como nefrolit\u00edase, urolit\u00edase ou pedras urin\u00e1rias.<sup>1<\/sup><\/p>\n<p>Os c\u00e1lculos renais (nefrolit\u00edase) s\u00e3o forma\u00e7\u00f5es s\u00f3lidas compostas por cristais minerais que se desenvolvem nos rins. Afetam 5-10% da popula\u00e7\u00e3o, com recorr\u00eancia de 50% em 5 anos. Os tipos mais comuns s\u00e3o oxalato de c\u00e1lcio (75%), fosfato de c\u00e1lcio (15%), \u00e1cido \u00farico (8%) e estruvita (2%). A forma\u00e7\u00e3o depende de fatores como supersatura\u00e7\u00e3o urin\u00e1ria, pH, volume urin\u00e1rio e presen\u00e7a de inibidores de cristaliza\u00e7\u00e3o.<\/p>","gt-synonyms":"C\u00e1lculos renais, Nefrolit\u00edase, Urolit\u00edase, Pedras urin\u00e1rias, Pedras renais, C\u00e1lculos renais, Nefr\u00f3lito","gt-citation":"[1] U.S. Department of Health and Human Services. Chapter 9: Urinary tract stones. In: Litwin MS, Saigal CS, eds. Urologic diseases in America. National Institute of Diabetes and Digestive and Kidney Diseases. 2012. DOI: Not available.\n\n[2] Khan SR, Pearle MS, Robertson WG, Gambaro G, Canales BK, Doizi S, Traxer O, Tiselius HG. Kidney stones. Nat Rev Dis Primers. 2016 Feb 25;2:16008. DOI: 10.1038\/nrdp.2016.8.\n\n[3] Leslie SW, Sajjad H, Murphy PB. Renal Calculi. StatPearls. 2024 Apr 20. PMID: 29261994.\n\n[4] Alelign T, Petros B. Kidney Stone Disease: An Update on Current Concepts. Adv Urol. 2018 Feb 4;2018:3068365. DOI: 10.1155\/2018\/3068365.","gt-clinical-context":"<p>A doen\u00e7a de c\u00e1lculo renal \u00e9 uma condi\u00e7\u00e3o altamente prevalente, com taxas de at\u00e9 14,8% e crescentes, e uma taxa de recorr\u00eancia de at\u00e9 50% nos primeiros 5 anos do epis\u00f3dio inicial de c\u00e1lculo.<sup>2<\/sup> Afeta cerca de 12% da popula\u00e7\u00e3o mundial em algum momento da vida, sendo os homens mais afetados do que as mulheres.<sup>4<\/sup> O tipo mais comum de c\u00e1lculo renal \u00e9 o oxalato de c\u00e1lcio. (70-75% de todos os c\u00e1lculos urin\u00e1rios), seguido de fosfato de c\u00e1lcio (10%), \u00e1cido \u00farico (8-10%), estruvita (7-8%) e cistina (1-2%).<sup>3<\/sup><\/p>\n <p>Os sintomas das pedras nos rins est\u00e3o relacionados \u00e0 sua localiza\u00e7\u00e3o no rim, no ureter ou na bexiga urin\u00e1ria.<sup>4<\/sup> Muitas pedras s\u00e3o assintom\u00e1ticas e descobertas acidentalmente. Quando sintom\u00e1tico, o principal sintoma \u00e9 a dor, que pode variar desde um leve mal-estar at\u00e9 ondas de dor intensa.<sup>5<\/sup> Ataques repentinos de dor intensa em um lado, \u00e0s vezes irradiando para a parte inferior do abd\u00f4men, s\u00e3o comuns e \u00e0s vezes chamados de c\u00f3lica renal.<sup>5<\/sup> Outros sintomas podem incluir hemat\u00faria (sangue na urina), dor ao urinar e uma necessidade mais forte ou mais frequente de urinar. urinar.<sup>5<\/sup><\/p>\n <p>Os fatores de risco para a forma\u00e7\u00e3o de c\u00e1lculos incluem obesidade, diabetes, hipertens\u00e3o e s\u00edndrome metab\u00f3lica.<sup>2<\/sup> Certas condi\u00e7\u00f5es m\u00e9dicas aumentam o risco, incluindo hiperparatireoidismo, gota, inflama\u00e7\u00e3o cr\u00f4nica do intestino e infec\u00e7\u00f5es recorrentes do trato urin\u00e1rio.<sup>1<\/sup> Fatores diet\u00e9ticos, desidrata\u00e7\u00e3o e certos medicamentos tamb\u00e9m podem contribuir para a forma\u00e7\u00e3o de c\u00e1lculos.<sup>1<\/sup><\/p>\n <p>O tratamento de c\u00e1lculos renais sintom\u00e1ticos evoluiu de litotomia cir\u00fargica aberta para tratamentos endourol\u00f3gicos minimamente invasivos, levando a uma redu\u00e7\u00e3o na morbidade do paciente, melhores taxas de aus\u00eancia de c\u00e1lculos e melhor qualidade de vida.<sup>2<\/sup> C\u00e1lculos renais pequenos (<5 mm) t\u00eam maior chance (90%) de passar por conta pr\u00f3pria com terapia de expuls\u00e3o m\u00e9dica.<sup>3<\/sup> C\u00e1lculos maiores podem exigir interven\u00e7\u00f5es como litotripsia por ondas de choque, ureteroscopia ou nefrolitotomia percut\u00e2nea.<sup>3<\/sup> A preven\u00e7\u00e3o de recorr\u00eancias requer interven\u00e7\u00f5es comportamentais e nutricionais, al\u00e9m de tratamentos farmacol\u00f3gicos espec\u00edficos para o tipo de c\u00e1lculo.<sup>2<\/sup><\/p>\n<p>As diretrizes da EAU 2023 recomendam tomografia computadorizada sem contraste como exame de escolha. O tratamento depende do tamanho e localiza\u00e7\u00e3o: observa\u00e7\u00e3o para c\u00e1lculos < 6 mm, litotripsia extracorp\u00f3rea (LEOC) para < 20 mm, ureteroscopia flex\u00edvel para < 20 mm e nefrolitotomia percut\u00e2nea (NLP) para > 20 mm. A profilaxia inclui hidrata\u00e7\u00e3o (> 2,5 L\/dia), dieta adequada e tratamento de causas metab\u00f3licas.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":72},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>C\u00e1lculos Renais: Causas, Diagn\u00f3stico e Tratamento | Rigicon<\/title>\n<meta name=\"description\" content=\"Guia completo sobre c\u00e1lculos renais (pedras nos rins): tipos, sintomas, diagn\u00f3stico por imagem e tratamento com LEOC, ureteroscopia e NLP. 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