{"id":12577,"date":"2025-06-18T13:48:44","date_gmt":"2025-06-18T17:48:44","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/penile-doppler-ultrasound\/"},"modified":"2026-10-06T18:19:32","modified_gmt":"2026-10-06T22:19:32","slug":"ultrassonografia-doppler-peniana","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/ultrassonografia-doppler-peniana\/","title":{"rendered":"Ultrassonografia Doppler Peniana"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[141],"glossary-product":[104,105],"class_list":["post-12577","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-erectile-dysfunction-treatments","glossary-product-infla10-pulse-ipp-series","glossary-product-rigi10-malleable-penile-prosthesis"],"acf":{"gt-definition":"<p class=\"ai-optimize-6\">A ultrassonografia Doppler peniana \u00e9 um procedimento de diagn\u00f3stico por imagem de alto desempenho e minimamente invasivo que mede o fluxo sangu\u00edneo no p\u00eanis ap\u00f3s a inje\u00e7\u00e3o de medicamentos vasodilatadores.<sup>1<\/sup> Essa t\u00e9cnica especializada de ultrassonografia permite a visualiza\u00e7\u00e3o em tempo real da anatomia vascular e da hemodin\u00e2mica penianas, possibilitando aos m\u00e9dicos diferenciar entre causas vasculares e n\u00e3o vasculares da disfun\u00e7\u00e3o er\u00e9til (DE).<sup>2<\/sup> O procedimento envolve a obten\u00e7\u00e3o de imagens de ultrassom do p\u00eanis nos estados fl\u00e1cido e ereto (ap\u00f3s a inje\u00e7\u00e3o do vasodilatador), medindo par\u00e2metros cr\u00edticos como a velocidade de pico sist\u00f3lico (PSV), a velocidade diast\u00f3lica final (EDV) e o di\u00e2metro da art\u00e9ria cavernosa para avaliar insufici\u00eancia arterial ou fuga venosa.<sup>3<\/sup> Esse exame diagn\u00f3stico \u00e9 essencial para determinar se o paciente tem disfun\u00e7\u00e3o er\u00e9til do tipo de influxo ou de efluxo, o que orienta a escolha do tratamento adequado.<sup>4<\/sup><\/p>","gt-synonyms":"Ultrassom peniano duplex Doppler, PDDU, ultrassonografia peniana Doppler colorido, CDUS peniano, ultrassom duplex din\u00e2mico do p\u00eanis (DDUP), estudo vascular peniano, ultrassom peniano duplex colorido","gt-citation":"[1] Jung DC, Park SY, Lee JY. Penile Doppler ultrasonography revisited. Ultrasonography. 2017 Jun;37(1):16-24. DOI: 10.14366\/usg.17022\r\n\r\n[2] Varela CG, Yeguas LAM, Rodr\u00edguez IC, Vila MDD. Penile Doppler Ultrasound for Erectile Dysfunction: Technique and Interpretation. AJR Am J Roentgenol. 2020 May;214(5):1112-1121. DOI: 10.2214\/AJR.19.22141\r\n\r\n[3] Halls J, Bydawell G, Patel U. Erectile dysfunction: the role of penile Doppler ultrasound in diagnosis. Abdom Imaging. 2009 Nov;34(6):712-25. DOI: 10.1007\/s00261-008-9463-x\r\n\r\n[4] Nascimento B, Miranda EP, Terrier JE, Carneiro F, Mulhall JP. A Critical Analysis of Methodology Pitfalls in Duplex Doppler Ultrasound in the Evaluation of Patients With Erectile Dysfunction: Technical and Interpretation Deficiencies. J Sex Med. 2020 Aug;17(8):1416-1422. DOI: 10.1016\/j.jsxm.2020.05.023","gt-clinical-context":"<p class=\"ai-optimize-7\">A ultrassonografia Doppler peniana \u00e9 usada principalmente na avalia\u00e7\u00e3o cl\u00ednica da disfun\u00e7\u00e3o er\u00e9til, particularmente quando os medicamentos orais de primeira linha (como os inibidores da PDE5) n\u00e3o produzem resultados adequados.<sup>1<\/sup> O procedimento \u00e9 especialmente valioso para pacientes com suspeita de causas vasculares de DE, incluindo aqueles com fatores de risco como diabetes, hipertens\u00e3o, hiperlipidemia e doen\u00e7a cardiovascular.<sup>2<\/sup><\/p>\r\n<p class=\"ai-optimize-8\">Os crit\u00e9rios de sele\u00e7\u00e3o de pacientes normalmente incluem homens com:<\/p>\r\n<p class=\"ai-optimize-9\">Aus\u00eancia de resposta a medicamentos orais para DE<sup>3<\/sup><br \/>\r\nPacientes jovens com DE de in\u00edcio s\u00fabito<sup>4<\/sup><br \/>\r\nDE p\u00f3s-cir\u00fargica (especialmente ap\u00f3s cirurgia p\u00e9lvica para c\u00e2ncer de pr\u00f3stata, bexiga ou reto)<sup>1<\/sup><br \/>\r\nSuspeita de doen\u00e7a de Peyronie com DE associada<sup>2<\/sup><br \/>\r\nHist\u00f3rico de trauma p\u00e9lvico ou perineal<sup>3<\/sup><br \/>\r\nAvalia\u00e7\u00e3o de massas ou anormalidades penianas<sup>4<\/sup><br \/>\r\nO procedimento envolve o paciente deitado em dec\u00fabito dorsal enquanto uma sonda de ultrassom linear de alta frequ\u00eancia examina o p\u00eanis nas vistas longitudinal e transversal.<sup>1<\/sup> Ap\u00f3s as medi\u00e7\u00f5es basais no estado fl\u00e1cido, um medicamento vasoativo (normalmente prostaglandina E1, papaverina ou Trimix) \u00e9 injetado na face lateral do corpo do p\u00eanis para induzir uma ere\u00e7\u00e3o.<sup>2<\/sup> Em seguida, o ultrassom \u00e9 repetido para medir as altera\u00e7\u00f5es nos par\u00e2metros de fluxo sangu\u00edneo.<sup>3<\/sup><\/p>\r\n<p class=\"ai-optimize-10\">Os resultados esperados incluem a classifica\u00e7\u00e3o da DE como insufici\u00eancia arterial, fuga venosa (disfun\u00e7\u00e3o veno-oclusiva) ou etiologia vascular mista, o que orienta as decis\u00f5es de tratamento subsequentes.<sup>4<\/sup> O procedimento tem alta precis\u00e3o diagn\u00f3stica quando realizado corretamente, embora fatores como ansiedade do paciente, estimula\u00e7\u00e3o sexual inadequada ou dosagem inadequada do medicamento possam afetar os resultados.<sup>2<\/sup><\/p>\r\n<p class=\"ai-optimize-11\">As poss\u00edveis complica\u00e7\u00f5es incluem ere\u00e7\u00e3o prolongada (priapismo), dor, hipotens\u00e3o e hematoma no local da inje\u00e7\u00e3o, sobre as quais os pacientes devem ser informados antes do procedimento.<sup>1<\/sup><\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":146},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.6 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Ultrassonografia Doppler Peniana: Avalia\u00e7\u00e3o Vascular da DE | Rigicon<\/title>\n<meta name=\"description\" content=\"Guia sobre US Doppler peniana com inje\u00e7\u00e3o intracavernosa: avalia\u00e7\u00e3o da art\u00e9ria cavernosa, fuga venosa e planejamento terap\u00eautico da DE. 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