{"id":12809,"date":"2025-08-01T12:42:18","date_gmt":"2025-08-01T16:42:18","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/photoselective-vaporization-of-the-prostate-pvp\/"},"modified":"2025-08-01T12:42:18","modified_gmt":"2025-08-01T16:42:18","slug":"vaporizacao-fotosseletiva-da-prostata-pvp","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/vaporizacao-fotosseletiva-da-prostata-pvp\/","title":{"rendered":"Vaporiza\u00e7\u00e3o Fotosseletiva da Pr\u00f3stata (PVP)"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[112],"glossary-product":[],"class_list":["post-12809","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-surgical-procedures"],"acf":{"gt-definition":"<p>A vaporiza\u00e7\u00e3o fotosseletiva da pr\u00f3stata (PVP) \u00e9 um procedimento a laser minimamente invasivo que usa um laser de luz verde de alta pot\u00eancia para remover seletivamente o excesso de tecido da pr\u00f3stata que causa obstru\u00e7\u00e3o urin\u00e1ria.<sup>1<\/sup> O procedimento emprega um laser de comprimento de onda de 532 nm que \u00e9 especificamente absorvido pela hemoglobina no tecido da pr\u00f3stata, resultando em vaporiza\u00e7\u00e3o r\u00e1pida e remo\u00e7\u00e3o precisa do tecido aumentado.<sup>2<\/sup> Durante a PVP, uma fibra fina \u00e9 inserida atrav\u00e9s da uretra atrav\u00e9s de um cistosc\u00f3pio, permitindo que o cirurgi\u00e3o forne\u00e7a energia laser que vaporiza rapidamente o tecido prost\u00e1tico obstrutivo enquanto cria um campo cir\u00fargico praticamente sem sangue.<sup>3<\/sup> Esta t\u00e9cnica cria efetivamente um canal aberto atrav\u00e9s da pr\u00f3stata, restaurando imediatamente o fluxo natural de urina e aliviando os sintomas do trato urin\u00e1rio inferior associados \u00e0 hiperplasia prost\u00e1tica benigna (BPH).<sup>4<\/sup><\/p>\n<p>A vaporiza\u00e7\u00e3o fotosseletiva da pr\u00f3stata (PVP) utiliza laser verde de alta pot\u00eancia (532 nm, GreenLight XPS 180W) para vaporizar tecido prost\u00e1tico obstrutivo. O laser \u00e9 absorvido seletivamente pela hemoglobina, causando vaporiza\u00e7\u00e3o eficiente do tecido com hemostasia superior. \u00c9 realizada por via endosc\u00f3pica, sendo uma alternativa \u00e0 RTU-P, especialmente em pacientes em uso de anticoagulantes.<\/p>","gt-synonyms":"PVP, prostatectomia a laser GreenLight, GreenLight PVP, cirurgia a laser PVP, tratamento com laser de luz verde, vaporiza\u00e7\u00e3o fotosseletiva da pr\u00f3stata, terapia a laser GreenLight XPS","gt-citation":"[1] Chughtai B, Te AE. Photoselective vaporization of the prostate for treating benign prostatic hyperplasia. Expert Rev Med Devices. 2011 Sep;8(5):591-5. DOI: 10.1586\/erd.11.25\n\n[2] Te AE, Malloy TR, Stein BS, Ulchaker JC, Nseyo UO, Hai MA, Malek RS. Photoselective vaporization of the prostate for the treatment of benign prostatic hyperplasia: 12-month results from the first United States multicenter prospective trial. J Urol. 2004 Oct;172(4 Pt 1):1404-8. DOI: 10.1097\/01.ju.0000139541.68542.f6\n\n[3] Zang YC, Deng XX, Yang DR, Xue BX, Xu LJ, Liu XL, Zhou YB, Shan YX. Photoselective vaporization of the prostate with GreenLight 120-W laser versus transurethral resection of the prostate for benign prostatic hyperplasia: a systematic review with meta-analysis of randomized controlled trials. Lasers Med Sci. 2016 Feb;31(2):235-40. DOI: 10.1007\/s10103-015-1843-1\n\n[4] Pascoe C, Lawrentschuk N. Photoselective vaporization of the prostate: optimising patient outcomes. Transl Androl Urol. 2017 Apr;6(2):293-302. DOI: 10.21037\/tau.2017.03.37","gt-clinical-context":"<p>A vaporiza\u00e7\u00e3o fotosseletiva da pr\u00f3stata \u00e9 usada principalmente para o tratamento da hiperplasia prost\u00e1tica benigna (HPB) em homens que apresentam sintomas moderados a graves do trato urin\u00e1rio inferior (STUI).<sup>1<\/sup> Este procedimento \u00e9 particularmente ben\u00e9fico para pacientes que n\u00e3o responderam adequadamente \u00e0 terapia m\u00e9dica ou para aqueles que desejam evitar o uso de medicamentos a longo prazo.<sup>2<\/sup><\/p>\n \n <p>Os crit\u00e9rios de sele\u00e7\u00e3o de pacientes incluem aqueles com volumes de pr\u00f3stata normalmente entre 30-80 ml, embora pr\u00f3statas maiores tamb\u00e9m possam ser tratadas de forma eficaz.<sup>3<\/sup> A PVP oferece vantagens significativas para pacientes em terapia anticoagulante ou com dist\u00farbios hemorr\u00e1gicos, pois as propriedades hemost\u00e1ticas do procedimento resultam em perda m\u00ednima de sangue em compara\u00e7\u00e3o com abordagens cir\u00fargicas tradicionais.<sup>4<\/sup><\/p>\n \n <p>O procedimento cir\u00fargico \u00e9 normalmente realizado sob anestesia geral ou raquidiana como procedimento ambulatorial. O cirurgi\u00e3o insere um cistosc\u00f3pio atrav\u00e9s da uretra at\u00e9 a pr\u00f3stata e, em seguida, aplica a energia do laser por meio de uma fibra especializada para vaporizar o tecido obstrutivo.<sup>1<\/sup> A maioria dos pacientes apresenta melhora imediata nas taxas de fluxo urin\u00e1rio, com estudos mostrando aumentos significativos na taxa de fluxo m\u00e1xima (Qmax) das m\u00e9dias basais de 7,8 ml\/seg para 22,6 ml\/seg em 12 meses p\u00f3s-procedimento.<sup>2<\/sup><\/p>\n \n <p>A recupera\u00e7\u00e3o geralmente \u00e9 r\u00e1pida, com a maioria dos pacientes necessitando de cateterismo por menos de 24 horas \u2013 muitos ficam sem cateter imediatamente ap\u00f3s o procedimento.<sup>3<\/sup> Os pacientes geralmente retornam \u00e0s atividades normais dentro de 2 a 3 dias, sentindo dor p\u00f3s-operat\u00f3ria m\u00ednima.<sup>3<\/sup> Os resultados em longo prazo mostram melhora sustentada nos sintomas urin\u00e1rios, com estudos relatando redu\u00e7\u00f5es nas pontua\u00e7\u00f5es do \u00cdndice de Sintomas da American Urological Association (AUA-SI) de 23,9 para 4,3 12 meses ap\u00f3s o procedimento.<sup>2<\/sup><\/p>\n<p>A EAU 2023 reconhece a PVP como alternativa \u00e0 RTU-P para pr\u00f3statas de 30-80 mL, com resultados funcionais compar\u00e1veis. Vantagens incluem menor sangramento (possibilidade de operar pacientes anticoagulados), menor tempo de cateteriza\u00e7\u00e3o e interna\u00e7\u00e3o mais curta. A taxa de retratamento em 5 anos \u00e9 ligeiramente superior \u00e0 RTU-P. A t\u00e9cnica requer curva de aprendizado e equipamento espec\u00edfico, limitando sua disponibilidade a centros especializados.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":38},"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>Vaporiza\u00e7\u00e3o Fotosseletiva da Pr\u00f3stata (PVP): Laser Verde | Rigicon<\/title>\n<meta name=\"description\" content=\"Guia sobre PVP (GreenLight), vaporiza\u00e7\u00e3o prost\u00e1tica a laser verde para HPB. T\u00e9cnica, indica\u00e7\u00f5es, vantagens e compara\u00e7\u00e3o com RTU-P. 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