{"id":12714,"date":"2025-07-21T07:48:56","date_gmt":"2025-07-21T11:48:56","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/renal-function-tests\/"},"modified":"2025-07-21T07:48:56","modified_gmt":"2025-07-21T11:48:56","slug":"testes-de-funcao-renal","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/testes-de-funcao-renal\/","title":{"rendered":"Testes de Fun\u00e7\u00e3o Renal"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[109],"glossary-product":[108,107],"class_list":["post-12714","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-diagnostic-phenomena","glossary-product-conticlassic-aus","glossary-product-contireflex-enhanced-aus"],"acf":{"gt-definition":"<p>Os testes de fun\u00e7\u00e3o renal s\u00e3o um grupo de procedimentos diagn\u00f3sticos que avaliam a fun\u00e7\u00e3o renal (renal) por meio de an\u00e1lises de sangue e urina. Esses testes medem a efici\u00eancia da filtra\u00e7\u00e3o glomerular, reabsor\u00e7\u00e3o tubular e processos de secre\u00e7\u00e3o, avaliando os n\u00edveis de res\u00edduos, prote\u00ednas e eletr\u00f3litos no sangue e na urina.<span class=\"citation\">\u00a4\u00a40001\u00a4\u00a4<\/span> O objetivo principal desses testes \u00e9 avaliar a sa\u00fade geral dos rins, detectar doen\u00e7as renais, monitorar a progress\u00e3o da doen\u00e7a e avaliar a resposta ao tratamento.<span class=\"citation\">\u00a4\u00a40002\u00a4\u00a4<\/span> Os testes de fun\u00e7\u00e3o renal concentram-se principalmente na medi\u00e7\u00e3o da taxa de filtra\u00e7\u00e3o glomerular (TFG), que \u00e9 considerada o melhor indicador geral da fun\u00e7\u00e3o renal, juntamente com a quantifica\u00e7\u00e3o da protein\u00faria (albumin\u00faria).<span class=\"citation\">\u00a4\u00a40003\u00a4\u00a4<\/span><\/p>\n<p>Os testes de fun\u00e7\u00e3o renal avaliam a capacidade dos rins em filtrar, concentrar e excretar subst\u00e2ncias. Os principais marcadores incluem creatinina s\u00e9rica, taxa de filtra\u00e7\u00e3o glomerular estimada (TFGe, f\u00f3rmula CKD-EPI), ureia s\u00e9rica e rela\u00e7\u00e3o albumina\/creatinina urin\u00e1ria. Exames funcionais por imagem incluem cintilografia renal (DMSA para fun\u00e7\u00e3o diferencial, MAG3\/DTPA para filtra\u00e7\u00e3o e excre\u00e7\u00e3o).<\/p>","gt-synonyms":"Testes de fun\u00e7\u00e3o renal, RFT, painel renal, painel renal, perfil renal, perfil renal, painel de fun\u00e7\u00e3o renal, painel de fun\u00e7\u00e3o renal, testes de triagem renal, exames laboratoriais de nefrologia","gt-citation":"[1] Gowda S, Desai PB, Kulkarni SS, Hull VV, Math AA, Vernekar SN. Markers of renal function tests. N Am J Med Sci. 2010 Apr;2(4):170-173. PMID: 22624135; PMCID: PMC3354405.\n\n[2] Gounden V, Bhatt H, Jialal I. Renal Function Tests. [Updated 2024 Jul 27]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK507821\/\n\n[3] Levey AS, Inker LA. Assessment of Glomerular Filtration Rate in Health and Disease: A State of the Art Review. Clin Pharmacol Ther. 2017 Jul;102(3):405-419. DOI: 10.1002\/cpt.729\n\n[4] Delanaye P, Cavalier E, Pottel H. Serum Creatinine: Not So Simple! Nephron. 2017;136(4):302-308. DOI: 10.1159\/000469669","gt-clinical-context":"<p>Os testes de fun\u00e7\u00e3o renal s\u00e3o ferramentas diagn\u00f3sticas essenciais em ambientes cl\u00ednicos agudos e cr\u00f4nicos. Eles s\u00e3o usados principalmente para identificar a presen\u00e7a de doen\u00e7a renal, monitorar a progress\u00e3o da doen\u00e7a e avaliar a efic\u00e1cia do tratamento.<span class=\"citation\">\u00a4\u00a40001\u00a4\u00a4<\/span> Esses testes s\u00e3o particularmente importantes para pacientes com condi\u00e7\u00f5es que afetam a fun\u00e7\u00e3o renal, como diabetes mellitus, hipertens\u00e3o, doen\u00e7as autoimunes e obstru\u00e7\u00f5es do trato urin\u00e1rio.<span class=\"citation\">\u00a4\u00a40002\u00a4\u00a4<\/span><\/p>\n \n <p>A sele\u00e7\u00e3o de pacientes para testes de fun\u00e7\u00e3o renal geralmente inclui indiv\u00edduos com fatores de risco para doen\u00e7a renal, aqueles que apresentam sintomas sugestivos de disfun\u00e7\u00e3o renal (como edema, fadiga, diminui\u00e7\u00e3o do d\u00e9bito urin\u00e1rio ou hemat\u00faria) e pacientes que tomam medicamentos potencialmente nefrot\u00f3xicos.<span class=\"citation\">\u00a4\u00a40003\u00a4\u00a4<\/span> O monitoramento regular \u00e9 recomendado para pacientes com doen\u00e7a renal cr\u00f4nica (DRC), com frequ\u00eancia de testes determinada pelo est\u00e1gio da doen\u00e7a e taxa de progress\u00e3o.<\/p>\n \n <p>A interpreta\u00e7\u00e3o cl\u00ednica dos testes de fun\u00e7\u00e3o renal envolve a avalia\u00e7\u00e3o de m\u00faltiplos par\u00e2metros em conjunto, e n\u00e3o isoladamente. Por exemplo, os c\u00e1lculos da taxa de filtra\u00e7\u00e3o glomerular estimada (TFGe) usam n\u00edveis de creatinina s\u00e9rica juntamente com fatores demogr\u00e1ficos como idade, sexo e ra\u00e7a para fornecer uma avalia\u00e7\u00e3o mais precisa da fun\u00e7\u00e3o renal.<span class=\"citation\">\u00a4\u00a40004\u00a4\u00a4<\/span> As diretrizes para melhorar os resultados globais da doen\u00e7a renal (KDIGO) classificam a DRC em est\u00e1gios com base nos valores da TFG, variando do est\u00e1gio 1 (TFG>90 mL\/min\/1,73 m\u00b2) at\u00e9 o Est\u00e1gio 5 (TFG <15 mL\/min\/1,73 m\u00b2), com cada est\u00e1gio exigindo abordagens de manejo espec\u00edficas.<span class=\"citation\">\u00a4\u00a40007\u00a4\u00a4<\/span><\/p>\n \n <p>Os resultados esperados dos testes de fun\u00e7\u00e3o renal incluem detec\u00e7\u00e3o precoce de disfun\u00e7\u00e3o renal, estadiamento adequado da doen\u00e7a renal, otimiza\u00e7\u00e3o da dosagem de medicamentos e interven\u00e7\u00e3o oportuna para retardar a progress\u00e3o da doen\u00e7a e prevenir complica\u00e7\u00f5es.<\/p>\n<p>A EAU recomenda avalia\u00e7\u00e3o da fun\u00e7\u00e3o renal em diversas situa\u00e7\u00f5es: pr\u00e9-operat\u00f3rio de cirurgias renais, obstru\u00e7\u00e3o urin\u00e1ria, bexiga neurog\u00eanica, acompanhamento p\u00f3s-nefrectomia e antes de exames com contraste. TFGe < 60 mL\/min\/1,73m\u00b2 define doen\u00e7a renal cr\u00f4nica (est\u00e1gio 3+). A cintilografia DMSA \u00e9 essencial antes de nefrectomia parcial para confirmar fun\u00e7\u00e3o bilateral adequada. A monitoriza\u00e7\u00e3o regular \u00e9 mandat\u00f3ria em pacientes com rim \u00fanico funcional.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":70},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Testes de Fun\u00e7\u00e3o Renal: Avalia\u00e7\u00e3o Urol\u00f3gica | Rigicon<\/title>\n<meta name=\"description\" content=\"Saiba sobre os testes de fun\u00e7\u00e3o renal na urologia: creatinina, TFGe, clearance e exames de imagem funcional. Import\u00e2ncia no acompanhamento. 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