{"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":"2025-06-18T13:48:44","modified_gmt":"2025-06-18T17:48:44","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":"

O ultrassom Doppler peniano \u00e9 um procedimento de diagn\u00f3stico por imagem minimamente invasivo e de alto desempenho que mede o fluxo sangu\u00edneo no p\u00eanis ap\u00f3s a inje\u00e7\u00e3o de medicamentos vasodilatadores.1<\/sup> Esta t\u00e9cnica especializada de ultrassonografia permite a visualiza\u00e7\u00e3o em tempo real da anatomia vascular peniana e da hemodin\u00e2mica, permitindo aos m\u00e9dicos diferenciar entre causas vasculares e n\u00e3o vasculares de disfun\u00e7\u00e3o er\u00e9til (ED).2<\/sup> O procedimento envolve ultrassonografia do p\u00eanis nos estados fl\u00e1cido e ereto (ap\u00f3s a inje\u00e7\u00e3o de vasodilatador), medindo par\u00e2metros cr\u00edticos como velocidade de pico sist\u00f3lico (PSV), velocidade diast\u00f3lica final (EDV) e di\u00e2metro da art\u00e9ria cavernosa para avaliar insufici\u00eancia arterial ou vazamento venoso.3<\/sup> Este teste diagn\u00f3stico \u00e9 essencial para determinar se um paciente tem um tipo de er\u00e9til de entrada ou sa\u00edda. disfun\u00e7\u00e3o, que orienta a sele\u00e7\u00e3o do tratamento adequado.4<\/sup><\/p>\n

A ultrassonografia Doppler peniana \u00e9 o exame de primeira linha para avalia\u00e7\u00e3o vascular da disfun\u00e7\u00e3o er\u00e9til. Combina inje\u00e7\u00e3o intracavernosa de agente vasoativo com ultrassonografia Doppler das art\u00e9rias cavernosas. Mede velocidade de pico sist\u00f3lico (VPS), velocidade diast\u00f3lica final (VDF) e \u00edndice de resistividade (IR), avaliando tanto a fun\u00e7\u00e3o arterial quanto o mecanismo de armazenamento veno-oclusivo.<\/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\n\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\n\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\n\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":"

O ultrassom Doppler peniano \u00e9 usado principalmente na avalia\u00e7\u00e3o cl\u00ednica da disfun\u00e7\u00e3o er\u00e9til, especialmente quando medicamentos orais de primeira linha (como inibidores de PDE5) n\u00e3o produzem resultados adequados.1 O procedimento \u00e9 especialmente valioso para pacientes com suspeita de causas vasculares de disfun\u00e7\u00e3o er\u00e9til, incluindo aqueles com fatores de risco como diabetes, hipertens\u00e3o, hiperlipidemia e doen\u00e7as cardiovasculares.2<\/p>\n

Os crit\u00e9rios de sele\u00e7\u00e3o de pacientes geralmente incluem homens com:<\/p>\n

N\u00e3o resposta a medicamentos orais para DE3<\/sup>
\nPacientes jovens com DE de in\u00edcio s\u00fabito4<\/sup>
\nDE p\u00f3s-cir\u00fargica (especialmente ap\u00f3s cirurgia p\u00e9lvica para c\u00e2ncer de pr\u00f3stata, bexiga ou reto)1<\/sup>
\nSuspeita de doen\u00e7a de Peyronie com DE associada2<\/sup>
\nHist\u00f3ria de trauma p\u00e9lvico ou perineal3<\/sup>
\nAvalia\u00e7\u00e3o de massas ou anomalias penianas4<\/sup>
\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 visualiza\u00e7\u00f5es longitudinal e transversal.1 Ap\u00f3s as medi\u00e7\u00f5es iniciais no estado fl\u00e1cido, um medicamento vasoativo (geralmente prostaglandina E1, papaverina ou Trimix) \u00e9 injetado na face lateral da haste peniana para induzir uma ere\u00e7\u00e3o.2 O ultrassom \u00e9 ent\u00e3o repetido para medir as altera\u00e7\u00f5es nos par\u00e2metros do fluxo sangu\u00edneo.3<\/sup><\/p>\n

Os resultados esperados incluem a classifica\u00e7\u00e3o da DE como insufici\u00eancia arterial, vazamento venoso (disfun\u00e7\u00e3o veno-oclusiva) ou etiologia vascular mista, que orienta as decis\u00f5es de tratamento subsequentes.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 de medicamentos possam afetar os resultados.2<\/sup><\/p>\n

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.1<\/sup><\/p>\n

VPS > 25-30 cm\/s indica fluxo arterial normal; VPS < 25 cm\/s sugere insufici\u00eancia arterial. VDF > 5 cm\/s indica disfun\u00e7\u00e3o veno-oclusiva (fuga venosa). A EAU recomenda este exame em pacientes jovens com DE para investiga\u00e7\u00e3o etiol\u00f3gica e em avalia\u00e7\u00e3o pr\u00e9-operat\u00f3ria de pr\u00f3tese quando h\u00e1 suspeita de fibrose corporal. O exame tamb\u00e9m avalia a presen\u00e7a de placas (Peyronie) e o grau de fibrose dos corpos cavernosos.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":102},"yoast_head":"\nUltrassonografia 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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