{"id":12708,"date":"2025-07-17T03:34:21","date_gmt":"2025-07-17T07:34:21","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/urine-culture\/"},"modified":"2026-10-06T18:19:32","modified_gmt":"2026-10-06T22:19:32","slug":"urocultura","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/urocultura\/","title":{"rendered":"Urocultura"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[126],"glossary-product":[108,107],"class_list":["post-12708","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-urological-conditions","glossary-product-conticlassic-aus","glossary-product-contireflex-enhanced-aus"],"acf":{"gt-definition":"<p>A urocultura \u00e9 um exame diagn\u00f3stico laboratorial que consiste em cultivar e identificar bact\u00e9rias, leveduras ou outros microrganismos a partir de uma amostra de urina.<sup>1<\/sup> \u00c9 considerada o exame padr\u00e3o-ouro para revelar o microrganismo causador de uma infec\u00e7\u00e3o do trato urin\u00e1rio (ITU).<sup>2<\/sup> O exame \u00e9 feito coletando-se uma amostra de urina e colocando-a em um meio de cultura com nutrientes que estimulam o crescimento de microrganismos.<sup>3<\/sup> Se presentes, bact\u00e9rias ou fungos se multiplicam e formam col\u00f4nias vis\u00edveis em 24-48 horas, permitindo que os profissionais de laborat\u00f3rio identifiquem o pat\u00f3geno espec\u00edfico.<sup>4<\/sup><\/p>\n    \n    <p>A urocultura n\u00e3o apenas detecta a presen\u00e7a de microrganismos, mas tamb\u00e9m os quantifica por meio da contagem de unidades formadoras de col\u00f4nias (UFC), o que ajuda a distinguir entre contamina\u00e7\u00e3o e infec\u00e7\u00e3o verdadeira.<sup>5<\/sup> Al\u00e9m disso, quando pat\u00f3genos s\u00e3o identificados, normalmente \u00e9 realizado um teste de sensibilidade para determinar quais antibi\u00f3ticos inibir\u00e3o efetivamente o crescimento do microrganismo, orientando a escolha do tratamento adequado.<sup>6<\/sup><\/p>","gt-synonyms":"Cultura e Sensibilidade de Urina, Urina C e S, Cultura Bacteriana de Urina, Cultura Microbiana de Urina, Cultura de Urina com Suscetibilidade","gt-citation":"[1] Sinawe H, Casadesus D. Urine Culture. StatPearls [Internet]. 2023 May 1. DOI: https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK557569\/\n\n[2] Schmiemann G, Kniehl E, Gebhardt K, Matejczyk MM, Hummers-Pradier E. The diagnosis of urinary tract infection: a systematic review. Dtsch Arztebl Int. 2010;107(21):361-367. DOI: 10.3238\/arztebl.2010.0361\n\n[3] Hooton TM, Roberts PL, Cox ME, Stapleton AE. Voided midstream urine culture and acute cystitis in premenopausal women. N Engl J Med. 2013;369(20):1883-1891. DOI: 10.1056\/NEJMoa1302186\n\n[4] Price TK, Dune T, Hilt EE, et al. The Clinical Urine Culture: Enhanced Techniques Improve Detection of Clinically Relevant Microorganisms. J Clin Microbiol. 2016;54(5):1216-1222. DOI: 10.1128\/JCM.00044-16\n\n[5] Kass EH. Asymptomatic infections of the urinary tract. Trans Assoc Am Physicians. 1956;69:56-64.\n\n[6] Clinical and Laboratory Standards Institute. Performance Standards for Antimicrobial Susceptibility Testing. 31st ed. CLSI supplement M100. Clinical and Laboratory Standards Institute; 2021.","gt-clinical-context":"<p>A urocultura \u00e9 usada principalmente para diagnosticar infec\u00e7\u00f5es do trato urin\u00e1rio (ITUs), que est\u00e3o entre as principais causas de infec\u00e7\u00e3o.<sup>1<\/sup> Aos 18 anos de idade, pelo menos 10% das mulheres ter\u00e3o sido diagnosticadas com ITU e, aos 24 anos, 1 em cada 3 mulheres ter\u00e1 sido tratada para uma ITU.<sup>1<\/sup> As ITUs tamb\u00e9m est\u00e3o entre as infec\u00e7\u00f5es nosocomiais mais comuns e, historicamente, foram relatadas como respons\u00e1veis por at\u00e9 35% a 40% de todas as infec\u00e7\u00f5es hospitalares.<sup>1<\/sup><\/p>\n    \n    <p>Os profissionais de sa\u00fade normalmente solicitam uma urocultura quando os pacientes apresentam sintomas de ITU, que podem incluir vontade frequente de urinar, dor ou ard\u00eancia ao urinar, urina turva ou com odor forte, ou dor lombar.<sup>3<\/sup> O exame costuma ser realizado em conjunto com um exame de urina para fornecer uma avalia\u00e7\u00e3o abrangente da sa\u00fade urin\u00e1ria.<sup>4<\/sup><\/p>\n    \n    <p>A urocultura tamb\u00e9m \u00e9 usada para rastrear bacteri\u00faria assintom\u00e1tica em gestantes, condi\u00e7\u00e3o relatada em aproximadamente 2% a 15% das gesta\u00e7\u00f5es.<sup>4<\/sup> Esse rastreamento \u00e9 importante porque a bacteri\u00faria assintom\u00e1tica n\u00e3o tratada pode levar a infec\u00e7\u00f5es renais mais graves e aumentar o risco de parto prematuro e baixo peso ao nascer.<sup>4<\/sup><\/p>\n    \n    <p>Ap\u00f3s o tratamento de uma ITU, pode ser realizada uma urocultura para confirmar que a infec\u00e7\u00e3o foi eliminada com sucesso, especialmente em casos de ITUs complicadas ou infec\u00e7\u00f5es recorrentes.<sup>5<\/sup> Esse exame de controle garante que o microrganismo causador da infec\u00e7\u00e3o seja completamente eliminado.<sup>6<\/sup><\/p>\n    \n    <p>Os m\u00e9todos de coleta da amostra variam de acordo com fatores do paciente e o contexto cl\u00ednico. O m\u00e9todo mais comum \u00e9 a t\u00e9cnica de coleta do jato m\u00e9dio com higiene pr\u00e9via, que apresenta correla\u00e7\u00e3o razoavelmente boa com m\u00e9todos de coleta mais invasivos, como a pun\u00e7\u00e3o suprap\u00fabica e a t\u00e9cnica de cateterismo \u00fanico.<sup>1<\/sup> Para pacientes que n\u00e3o conseguem realizar a pr\u00f3pria coleta, os m\u00e9todos alternativos incluem cateterismo, coleta com saco coletor de urina (para beb\u00eas e crian\u00e7as pequenas) ou aspira\u00e7\u00e3o.<sup>3<\/sup><\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":94},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Urocultura: Exame, Antibiograma e Diagn\u00f3stico de Infec\u00e7\u00e3o Urin\u00e1ria<\/title>\n<meta name=\"description\" content=\"A urocultura \u00e9 o exame laboratorial que identifica 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