{"id":12593,"date":"2025-06-25T08:23:08","date_gmt":"2025-06-25T12:23:08","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/penile-doppler-study\/"},"modified":"2026-10-06T10:51:24","modified_gmt":"2026-10-06T14:51:24","slug":"estudo-doppler-peniano","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/estudo-doppler-peniano\/","title":{"rendered":"Estudo Doppler Peniano"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[103],"glossary-product":[104,105],"class_list":["post-12593","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-erectile-dysfunction","glossary-product-infla10-pulse-ipp-series","glossary-product-rigi10-malleable-penile-prosthesis"],"acf":{"gt-definition":"<p>A ultrassonografia Doppler peniana, tamb\u00e9m conhecida como ultrassonografia Doppler d\u00faplex peniana ou ultrassonografia Doppler colorida (CDUS) do p\u00eanis, \u00e9 um exame de diagn\u00f3stico por imagem especializado, n\u00e3o invasivo ou minimamente invasivo, que utiliza ondas sonoras de alta frequ\u00eancia para visualizar as estruturas anat\u00f4micas do p\u00eanis e avaliar o fluxo sangu\u00edneo em seus vasos em tempo real.\u00b9 \u00c9 uma ferramenta crucial para avaliar a hemodin\u00e2mica peniana, particularmente no contexto da disfun\u00e7\u00e3o er\u00e9til (DE). O procedimento envolve o uso de uma sonda de ultrassom posicionada sobre o p\u00eanis, normalmente ap\u00f3s a administra\u00e7\u00e3o de um agente vasoativo (como prostaglandina E1, papaverina ou fentolamina) para induzir uma ere\u00e7\u00e3o, permitindo a medi\u00e7\u00e3o de par\u00e2metros de fluxo sangu\u00edneo, como a velocidade de pico sist\u00f3lico (PSV) e a velocidade diast\u00f3lica final (EDV), nas art\u00e9rias cavernosas.\u00b9 Isso ajuda a identificar anormalidades no influxo arterial ou no efluxo venoso (disfun\u00e7\u00e3o veno-oclusiva) que podem contribuir para a DE.\u00b9 Sua finalidade \u00e9 demonstrar a anatomia normal, identificar altera\u00e7\u00f5es patol\u00f3gicas macrosc\u00f3picas e analisar altera\u00e7\u00f5es funcionais no fluxo sangu\u00edneo peniano, auxiliando assim no diagn\u00f3stico e na classifica\u00e7\u00e3o da DE, do priapismo e da doen\u00e7a de Peyronie.\u00b9<\/p>","gt-synonyms":"Ultrassonografia Peniana Duplex Doppler, Ultrassonografia Peniana Doppler Colorida, CDUS peniano, Sonografia Doppler Peniana, Estudo do Fluxo Sangu\u00edneo Arterial Peniano, Avalia\u00e7\u00e3o do Fluxo Sangu\u00edneo Peniano, Ultrassonografia Doppler do P\u00eanis\u00b9","gt-citation":"[1] Jung DC, Park SY, Lee JY. Penile Doppler ultrasonography revisited. Ultrasonography. 2018 Jan;37(1):16-24. DOI: 10.14366\/usg.17022","gt-clinical-context":"<p>A ultrassonografia Doppler peniana \u00e9 clinicamente indicada para a avalia\u00e7\u00e3o da disfun\u00e7\u00e3o er\u00e9til (DE), particularmente em pacientes que n\u00e3o respondem aos inibidores orais da fosfodiesterase tipo 5 (PDE5-I).\u00b9 Ela ajuda a diferenciar entre as v\u00e1rias causas de DE, como a arteriog\u00eanica (influxo arterial comprometido), a disfun\u00e7\u00e3o veno-oclusiva (fuga venosa) ou os tipos mistos.\u00b9 O procedimento tamb\u00e9m \u00e9 valioso na avalia\u00e7\u00e3o da DE p\u00f3s-operat\u00f3ria em sobreviventes de c\u00e2ncer, por exemplo, ap\u00f3s cirurgia p\u00e9lvica para c\u00e2ncer de pr\u00f3stata, bexiga ou reto.\u00b9 Al\u00e9m disso, a CDUS peniana pode desempenhar um papel na detec\u00e7\u00e3o de doen\u00e7a arterial coronariana (DAC) silenciosa em homens que apresentam DE, j\u00e1 que a DE \u00e9 reconhecida como uma manifesta\u00e7\u00e3o precoce de disfun\u00e7\u00e3o endotelial e doen\u00e7a vascular perif\u00e9rica.\u00b9 Ela tamb\u00e9m \u00e9 usada na avalia\u00e7\u00e3o do priapismo (para diferenciar entre os tipos isqu\u00eamico e n\u00e3o isqu\u00eamico) e da doen\u00e7a de Peyronie (para avaliar as caracter\u00edsticas da placa e as altera\u00e7\u00f5es vasculares associadas).\u00b9 Os crit\u00e9rios de sele\u00e7\u00e3o de pacientes normalmente envolvem homens com DE persistente. O procedimento envolve a indu\u00e7\u00e3o de uma ere\u00e7\u00e3o por inje\u00e7\u00e3o intracavernosa de f\u00e1rmacos vasoativos, seguida de varredura por ultrassom para medir par\u00e2metros de fluxo sangu\u00edneo como a velocidade de pico sist\u00f3lico (PSV) e a velocidade diast\u00f3lica final (EDV).\u00b9 Os resultados esperados incluem um diagn\u00f3stico definitivo do componente vascular da DE, o que orienta as estrat\u00e9gias de manejo subsequentes. Por exemplo, uma PSV &lt; 25 cm\/s \u00e9 indicativa de insufici\u00eancia arterial, enquanto uma EDV persistente &gt; 5 cm\/s sugere disfun\u00e7\u00e3o veno-oclusiva.\u00b9<\/p>","gt-related-evidence":null,"gt-featured":false,"gt-ai-referenced":false,"gt-view-count":98},"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>Estudo Doppler Peniano: Avalia\u00e7\u00e3o Vascular | Rigicon<\/title>\n<meta name=\"description\" content=\"Conhe\u00e7a o estudo Doppler peniano com inje\u00e7\u00e3o intracavernosa para avalia\u00e7\u00e3o vascular da disfun\u00e7\u00e3o er\u00e9til. T\u00e9cnica, par\u00e2metros e interpreta\u00e7\u00e3o. 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