{"id":12805,"date":"2025-08-01T12:41:23","date_gmt":"2025-08-01T16:41:23","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/percutaneous-nephrolithotomy-pcnl-minimally-invasive-kidney-stone-removal\/"},"modified":"2025-08-01T12:41:23","modified_gmt":"2025-08-01T16:41:23","slug":"nefrolitotomia-percutanea-nlp-remocao-minimamente-invasiva-de-calculos-renais","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/nefrolitotomia-percutanea-nlp-remocao-minimamente-invasiva-de-calculos-renais\/","title":{"rendered":"Nefrolitotomia Percut\u00e2nea (NLP): Remo\u00e7\u00e3o Minimamente Invasiva de C\u00e1lculos Renais"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[112],"glossary-product":[],"class_list":["post-12805","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-surgical-procedures"],"acf":{"gt-definition":"<p>A nefrolitotomia percut\u00e2nea (NLCP) \u00e9 um procedimento cir\u00fargico minimamente invasivo usado para remover c\u00e1lculos renais do corpo quando eles n\u00e3o conseguem passar por conta pr\u00f3pria.<sup>1<\/sup> O termo \"percut\u00e2neo\" significa atrav\u00e9s da pele. O procedimento cria uma passagem da pele na parte posterior at\u00e9 o rim, onde o cirurgi\u00e3o usa instrumentos especializados passados \u200b\u200bpor um pequeno tubo para localizar e remover c\u00e1lculos renais.<sup>1<\/sup> O PCNL \u00e9 indicado principalmente para c\u00e1lculos maiores (> 2 cm), c\u00e1lculos staghorn (c\u00e1lculos que ocupam v\u00e1rios ramos do sistema coletor) ou quando procedimentos menos invasivos, como litotripsia por ondas de choque ou ureteroscopia, n\u00e3o s\u00e3o poss\u00edveis ou t\u00eam falhou.<sup>1,2<\/sup> Esta t\u00e9cnica substituiu em grande parte a cirurgia de c\u00e1lculos abertos para a maioria dos c\u00e1lculos renais complexos, oferecendo uma taxa de sucesso mais alta para remo\u00e7\u00e3o completa do c\u00e1lculo e minimizando o trauma cir\u00fargico.<sup>3<\/sup><\/p>\n<p>A nefrolitotomia percut\u00e2nea (NLP) \u00e9 o procedimento padr\u00e3o para remo\u00e7\u00e3o de c\u00e1lculos renais maiores que 20 mm. Realizada atrav\u00e9s de acesso percut\u00e2neo no flanco, permite fragmenta\u00e7\u00e3o e extra\u00e7\u00e3o direta dos c\u00e1lculos sob vis\u00e3o endosc\u00f3pica. A taxa de stone-free em sess\u00e3o \u00fanica \u00e9 de 75-90%.<\/p>","gt-synonyms":"PCNL, Nefrolitotripsia Percut\u00e2nea, Remo\u00e7\u00e3o Percut\u00e2nea de C\u00e1lculo Renal, Extra\u00e7\u00e3o Percut\u00e2nea de C\u00e1lculo, Cirurgia Percut\u00e2nea de C\u00e1lculo Renal","gt-citation":"[1] Mayo Clinic Staff. Percutaneous nephrolithotomy. Mayo Clinic. 2024. DOI: https:\/\/www.mayoclinic.org\/tests-procedures\/percutaneous-nephrolithotomy\/about\/pac-20385051\n\n[2] Johns Hopkins Medicine. Percutaneous Nephrolithotomy (PCNL). 2024. DOI: https:\/\/www.hopkinsmedicine.org\/health\/treatment-tests-and-therapies\/percutaneous-nephrolithonomy-pcnl\n\n[3] Khalil MAU, Patujo YH, Ullah F, et al. An Analysis of Percutaneous Nephrolithotomy (PCNL) Performed at the Institute of Kidney Disease, Pakistan: Stone Clearance and Complications. Cureus. 2024;16(12):e75430. DOI: https:\/\/doi.org\/10.7759\/cureus.75430\n\n[4] Zhang FBY, Lin WR, Yang S, et al. Outcomes of percutaneous nephrolithotomy versus open stone surgery for patients with staghorn calculi. Urological Science. 2017;28(2):97-100. DOI: https:\/\/doi.org\/10.1016\/j.urols.2017.02.001","gt-clinical-context":"<p>A nefrolitotomia percut\u00e2nea \u00e9 clinicamente indicada em diversos cen\u00e1rios, com crit\u00e9rios espec\u00edficos de sele\u00e7\u00e3o de pacientes e resultados esperados. O procedimento \u00e9 normalmente recomendado quando os c\u00e1lculos renais t\u00eam mais de 2 cm de di\u00e2metro, quando os c\u00e1lculos formam um padr\u00e3o staghorn bloqueando v\u00e1rios ramos do sistema coletor do rim, quando c\u00e1lculos grandes est\u00e3o presentes no ureter (o tubo que conecta o rim \u00e0 bexiga) ou quando outras terapias menos invasivas falharam.<sup>1<\/sup><\/p>\n \n <p>O procedimento cir\u00fargico envolve v\u00e1rias etapas importantes: Primeiro, o paciente \u00e9 colocado sob anestesia geral. Uma agulha especializada \u00e9 inserida atrav\u00e9s da pele em uma c\u00e2mara de coleta de urina do rim (c\u00e1lice) sob orienta\u00e7\u00e3o de imagem.<sup>1<\/sup> Esse trajeto da agulha se torna a passagem para o restante do procedimento. Um tubo (bainha) \u00e9 colocado ao longo deste trajeto, atrav\u00e9s do qual s\u00e3o passados instrumentos especializados para romper e remover os c\u00e1lculos.<sup>1<\/sup> Em alguns casos, um tubo de nefrostomia pode ser deixado temporariamente no local para permitir a drenagem da urina diretamente do rim durante a recupera\u00e7\u00e3o.<sup>1<\/sup><\/p>\n \n <p>Os crit\u00e9rios de sele\u00e7\u00e3o dos pacientes incluem a considera\u00e7\u00e3o do tamanho do c\u00e1lculo, localiza\u00e7\u00e3o, composi\u00e7\u00e3o e hist\u00f3rico de tratamento anterior. Pacientes com dist\u00farbios hemorr\u00e1gicos, infec\u00e7\u00f5es ativas do trato urin\u00e1rio ou anomalias anat\u00f4micas podem exigir considera\u00e7\u00e3o especial.<sup>2<\/sup> O cronograma de recupera\u00e7\u00e3o esperado geralmente envolve uma interna\u00e7\u00e3o hospitalar de 1 a 2 dias, evitando trabalho pesado e atividades extenuantes por 2 a 4 semanas.<sup>1<\/sup> A maioria dos pacientes pode retornar ao trabalho ap\u00f3s aproximadamente uma semana.<sup>1<\/sup><\/p>\n \n <p>As taxas de sucesso para NLPC s\u00e3o geralmente altas, com estudos relatando taxas livres de c\u00e1lculos de 75-80% para casos padr\u00e3o.<sup>3<\/sup> No entanto, fatores como a localiza\u00e7\u00e3o do c\u00e1lculo podem impactar significativamente os resultados, com c\u00e1lculos no c\u00e1lice inferior apresentando taxas de elimina\u00e7\u00e3o reduzidas (aproximadamente 50%) em compara\u00e7\u00e3o com c\u00e1lculos no c\u00e1lice superior ou m\u00e9dio.<sup>3<\/sup> As taxas de complica\u00e7\u00f5es s\u00e3o de aproximadamente 15-20%, sendo a maioria menores (Clavien-Dindo Graus I-II).<sup>3<\/sup> Complica\u00e7\u00f5es maiores (Graus III-IV) ocorrem em aproximadamente 4-5% dos casos.<sup>3<\/sup><\/p>\n<p>A EAU 2023 recomenda NLP como tratamento de primeira linha para c\u00e1lculos renais > 20 mm. Variantes como mini-NLP e ultra-mini-NLP reduzem a morbidade. Complica\u00e7\u00f5es incluem sangramento (5-8%), necessitando de transfus\u00e3o em 2-5% dos casos, e f\u00edstula urin\u00e1ria transit\u00f3ria. O posicionamento prono ou supino depende da prefer\u00eancia e experi\u00eancia do cirurgi\u00e3o.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":106},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Nefrolitotomia Percut\u00e2nea (NLP): Cirurgia para C\u00e1lculos Renais | Rigicon<\/title>\n<meta name=\"description\" content=\"Guia sobre nefrolitotomia percut\u00e2nea (NLP) para remo\u00e7\u00e3o de c\u00e1lculos renais grandes (&gt; 20 mm). 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