{"id":32383,"date":"2026-09-01T18:28:00","date_gmt":"2026-09-01T22:28:00","guid":{"rendered":"https:\/\/www.rigicon.com\/?post_type=glossary-term&p=32383"},"modified":"2026-09-02T06:08:00","modified_gmt":"2026-09-02T10:08:00","slug":"reflexo-bulbocavernoso","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/reflexo-bulbocavernoso\/","title":{"rendered":"Reflexo Bulbocavernoso"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[109],"glossary-product":[104,105],"class_list":["post-32383","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-diagnostic-phenomena","glossary-product-infla10-pulse-ipp-series","glossary-product-rigi10-malleable-penile-prosthesis"],"acf":{"gt-definition":"<p>O Reflexo Bulbocavernoso (RBC) \u00e9 um teste neurol\u00f3gico que avalia a integridade das vias nervosas sacrais, especificamente os arcos reflexos espinhais de S2-S4. \u00c9 desencadeado pela compress\u00e3o da glande do p\u00eanis ou do clit\u00f3ris e pela observa\u00e7\u00e3o ou palpa\u00e7\u00e3o de uma contra\u00e7\u00e3o reflexa no esf\u00edncter anal externo.<sup>1<\/sup> Esse reflexo sacral oligossin\u00e1ptico \u00e9 mediado pelo nervo pudendo, com fibras sensoriais aferentes conduzindo sinais da genit\u00e1lia at\u00e9 a medula espinhal sacral e fibras motoras eferentes transmitindo impulsos de volta aos m\u00fasculos do assoalho p\u00e9lvico.<sup>2<\/sup><\/p>\n<p>O RBC serve como um dos poucos m\u00e9todos cl\u00ednicos para avaliar a fun\u00e7\u00e3o do cone medular (extremidade distal da medula espinhal) e dos nervos p\u00e9lvicos de S2-S4.<sup>3<\/sup> Em casos de les\u00f5es medulares completas, a presen\u00e7a do RBC indica arcos reflexos sacrais intactos com perda da inibi\u00e7\u00e3o supraespinhal (les\u00e3o do neur\u00f4nio motor superior), enquanto sua aus\u00eancia sugere uma les\u00e3o do neur\u00f4nio motor inferior.<sup>4<\/sup> Essa distin\u00e7\u00e3o tem implica\u00e7\u00f5es significativas para o diagn\u00f3stico e o manejo de v\u00e1rias condi\u00e7\u00f5es neurol\u00f3gicas que afetam as fun\u00e7\u00f5es urin\u00e1ria, intestinal e sexual.<sup>5<\/sup><\/p>\n<p>O teste eletrofisiol\u00f3gico do RBC envolve a aplica\u00e7\u00e3o de estimula\u00e7\u00e3o el\u00e9trica no nervo dorsal do p\u00eanis ou do clit\u00f3ris e a medi\u00e7\u00e3o da lat\u00eancia da resposta reflexa com eletrodos de registro no esf\u00edncter anal. A lat\u00eancia normal para o primeiro componente \u00e9 tipicamente inferior a 45 milissegundos, com respostas prolongadas ou ausentes indicando potencial patologia neurol\u00f3gica.<sup>6<\/sup><\/p>\n","gt-synonyms":"Reflexo Bulboesponjoso (RBE), Reflexo de Osinski, Reflexo Clit\u00f3rio-anal (em mulheres)","gt-citation":"[1] Blaivas JG, Zayed AA, Labib KB. The bulbocavernosus reflex in urology: a prospective study of 299 patients. J Urol. 1981;126:197\u20139. DOI: 10.1016\/S0022-5347(17)54445-6\n\n[2] Previnaire JG, Soler JM, Alexander MS, Courtois F, Elliott S, McLain A. Prediction of sexual function following spinal cord injury. Spinal Cord Ser Cases. 2017;3:17096. DOI: 10.1038\/s41394-017-0012-0\n\n[3] Kirshblum SC, Burns SP, Biering-Sorensen F, Donovan W, Graves DE, Jha A, et al. International standards for neurological classification of spinal cord injury (revised 2011). J Spinal Cord Med. 2011;34:535\u201346. DOI: 10.1179\/204577211X13207446293695\n\n[4] Alexander MS, Marson L. The neurologic control of arousal and orgasm with specific attention to spinal cord lesions: integrating preclinical and clinical sciences. Auton Neurosci. 2017;209:51-59. DOI: 10.1016\/j.autneu.2017.05.001\n\n[5] Alexander MS, Biering-Sorensen F, Bodner D, Brackett NL, Cardenas D, Charlifue S, et al. International standards to document remaining autonomic function after spinal cord injury. Spinal Cord. 2009;47:36\u201343. DOI: 10.1038\/sc.2008.121\n\n[6] Lavoisier P, Proulx J, Courtois F, De Carufel F, Durand LG. Bulbocavernosus reflex: its validity as a diagnostic test of neurogenic impotence. J Urol. 1989;141(2):311-4. DOI: 10.1016\/s0022-5347(17)40753-1","gt-clinical-context":"<p>O Reflexo Bulbocavernoso (RBC) serve como uma ferramenta cr\u00edtica de avalia\u00e7\u00e3o neurol\u00f3gica em v\u00e1rios cen\u00e1rios cl\u00ednicos, particularmente na avalia\u00e7\u00e3o de pacientes com suspeita de dist\u00farbios neurol\u00f3gicos que afetam os segmentos espinhais sacrais.<sup>1<\/sup><\/p>\n<p>Em pacientes com traumatismo raquimedular (TRM), o RBC ajuda a distinguir entre les\u00f5es do neur\u00f4nio motor superior (NMS) e do neur\u00f4nio motor inferior (NMI), o que tem profundas implica\u00e7\u00f5es no progn\u00f3stico e nas abordagens de tratamento.<sup>2<\/sup> Les\u00f5es de NMS (RBC presente) est\u00e3o associadas \u00e0 hiperatividade do detrusor e do reto, ere\u00e7\u00e3o reflexa e ejacula\u00e7\u00e3o, enquanto les\u00f5es de NMI (RBC ausente) geralmente se apresentam com arreflexia do detrusor, paralisia fl\u00e1cida do esf\u00edncter estriado e fun\u00e7\u00e3o sexual mais severamente comprometida.<sup>3<\/sup><\/p>\n<p>O RBC \u00e9 particularmente valioso na diferencia\u00e7\u00e3o entre as s\u00edndromes do cone medular e da cauda equina em pacientes com les\u00f5es toracolombares.<sup>4<\/sup> Ele tamb\u00e9m desempenha um papel crucial na avalia\u00e7\u00e3o de pacientes com reten\u00e7\u00e3o urin\u00e1ria, que pode ser causada por doen\u00e7as dos nervos p\u00e9lvicos ou da cauda equina.<sup>5<\/sup><\/p>\n<p>No contexto da disfun\u00e7\u00e3o er\u00e9til, a avalia\u00e7\u00e3o do RBC ajuda a identificar causas neurog\u00eanicas subjacentes. Homens com les\u00f5es de NMI (RBC ausente) geralmente respondem mal \u00e0 estimula\u00e7\u00e3o peniana vibrat\u00f3ria para ejacula\u00e7\u00e3o e frequentemente necessitam de inje\u00e7\u00f5es intracavernosas para disfun\u00e7\u00e3o er\u00e9til.<sup>6<\/sup> Por outro lado, homens com les\u00f5es de NMS (RBC presente) podem se beneficiar de diferentes abordagens terap\u00eauticas.<\/p>\n<p>O procedimento de teste do RBC \u00e9 relativamente simples e pode ser realizado \u00e0 beira do leito sem equipamentos especializados, tornando-o uma ferramenta diagn\u00f3stica acess\u00edvel em v\u00e1rios ambientes cl\u00ednicos. Para uma avalia\u00e7\u00e3o mais precisa, o teste eletrofisiol\u00f3gico do RBC pode fornecer medi\u00e7\u00f5es objetivas da lat\u00eancia do reflexo, o que pode revelar anormalidades neurol\u00f3gicas sutis n\u00e3o aparentes no exame cl\u00ednico.<sup>4<\/sup><\/p>\n","gt-related-evidence":null,"gt-featured":false,"gt-ai-referenced":true,"gt-view-count":2},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Reflexo Bulbocavernoso: Avalia\u00e7\u00e3o da Via Nervosa Sacral<\/title>\n<meta name=\"description\" content=\"O reflexo bulbocavernoso avalia a integridade sacral pela resposta do esf\u00edncter anal ao est\u00edmulo genital, sendo vital no diagn\u00f3stico neurol\u00f3gico.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/reflexo-bulbocavernoso\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reflexo Bulbocavernoso: Avalia\u00e7\u00e3o da Via Nervosa Sacral\" \/>\n<meta property=\"og:description\" content=\"O reflexo bulbocavernoso avalia a integridade sacral pela resposta do esf\u00edncter anal ao est\u00edmulo genital, sendo vital no diagn\u00f3stico neurol\u00f3gico.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/reflexo-bulbocavernoso\/\" \/>\n<meta property=\"og:site_name\" content=\"Rigicon\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/rigiconurology\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-02T10:08:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.rigicon.com\/wp-content\/uploads\/2025\/05\/header-d.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1440\" \/>\n\t<meta property=\"og:image:height\" content=\"718\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Reflexo Bulbocavernoso: Avalia\u00e7\u00e3o da Via Nervosa Sacral\" \/>\n<meta name=\"twitter:description\" content=\"O reflexo bulbocavernoso avalia a integridade sacral pela resposta do esf\u00edncter anal ao est\u00edmulo genital, sendo vital no diagn\u00f3stico neurol\u00f3gico.\" \/>\n<meta name=\"twitter:site\" content=\"@rigiconurology\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/glossary-term\\\/reflexo-bulbocavernoso\\\/\",\"url\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/glossary-term\\\/reflexo-bulbocavernoso\\\/\",\"name\":\"Reflexo Bulbocavernoso: Avalia\u00e7\u00e3o da Via Nervosa Sacral\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/#website\"},\"datePublished\":\"2026-09-01T22:28:00+00:00\",\"dateModified\":\"2026-09-02T10:08:00+00:00\",\"description\":\"O reflexo bulbocavernoso avalia a integridade sacral pela resposta do esf\u00edncter anal ao est\u00edmulo genital, sendo vital no diagn\u00f3stico neurol\u00f3gico.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/glossary-term\\\/reflexo-bulbocavernoso\\\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/glossary-term\\\/reflexo-bulbocavernoso\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/glossary-term\\\/reflexo-bulbocavernoso\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"In\u00edcio\",\"item\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Glossary Terms\",\"item\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/urology-glossary\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Reflexo Bulbocavernoso\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/#website\",\"url\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/\",\"name\":\"Rigicon\",\"description\":\"Innovative Urological Solutions\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/#organization\"},\"alternateName\":\"Innovative Urological Solutions\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/#organization\",\"name\":\"Rigicon, Inc.\",\"alternateName\":\"Innovative Urological Solutions\",\"url\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.rigicon.com\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/cropped-Logo-Square-Kopya.jpg\",\"contentUrl\":\"https:\\\/\\\/www.rigicon.com\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/cropped-Logo-Square-Kopya.jpg\",\"width\":512,\"height\":512,\"caption\":\"Rigicon, Inc.\"},\"image\":{\"@id\":\"https:\\\/\\\/www.rigicon.com\\\/pt-br\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/rigiconurology\\\/\",\"https:\\\/\\\/x.com\\\/rigiconurology\",\"https:\\\/\\\/www.instagram.com\\\/rigiconurology\\\/\",\"https:\\\/\\\/www.youtube.com\\\/@Rigicon\\\/podcasts\",\"https:\\\/\\\/www.youtube.com\\\/Rigicon\",\"https:\\\/\\\/www.threads.net\\\/@rigiconurology\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/rigicon\\\/\"],\"description\":\"Rigicon is a global provider of innovative, diverse, and complete portfolio of prosthetic urology options.\",\"email\":\"operations@rigicon.com\",\"telephone\":\"+1 (888) 202-9790\",\"legalName\":\"Rigicon, Inc.\",\"vatID\":\"81-3545645\",\"taxID\":\"81-3545645\",\"duns\":\"045247683\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Reflexo Bulbocavernoso: Avalia\u00e7\u00e3o da Via Nervosa Sacral","description":"O reflexo bulbocavernoso avalia a integridade sacral pela resposta do esf\u00edncter anal ao est\u00edmulo genital, sendo vital no diagn\u00f3stico neurol\u00f3gico.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/reflexo-bulbocavernoso\/","og_locale":"pt_BR","og_type":"article","og_title":"Reflexo Bulbocavernoso: Avalia\u00e7\u00e3o da Via Nervosa Sacral","og_description":"O reflexo bulbocavernoso avalia a integridade sacral pela resposta do esf\u00edncter anal ao est\u00edmulo genital, sendo vital no diagn\u00f3stico neurol\u00f3gico.","og_url":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/reflexo-bulbocavernoso\/","og_site_name":"Rigicon","article_publisher":"https:\/\/www.facebook.com\/rigiconurology\/","article_modified_time":"2026-09-02T10:08:00+00:00","og_image":[{"width":1440,"height":718,"url":"https:\/\/www.rigicon.com\/wp-content\/uploads\/2025\/05\/header-d.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_title":"Reflexo Bulbocavernoso: Avalia\u00e7\u00e3o da Via Nervosa Sacral","twitter_description":"O reflexo bulbocavernoso avalia a integridade sacral pela resposta do esf\u00edncter anal ao est\u00edmulo genital, sendo vital no diagn\u00f3stico neurol\u00f3gico.","twitter_site":"@rigiconurology","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/reflexo-bulbocavernoso\/","url":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/reflexo-bulbocavernoso\/","name":"Reflexo Bulbocavernoso: Avalia\u00e7\u00e3o da Via Nervosa Sacral","isPartOf":{"@id":"https:\/\/www.rigicon.com\/pt-br\/#website"},"datePublished":"2026-09-01T22:28:00+00:00","dateModified":"2026-09-02T10:08:00+00:00","description":"O reflexo bulbocavernoso avalia a integridade sacral pela resposta do esf\u00edncter anal ao est\u00edmulo genital, sendo vital no diagn\u00f3stico neurol\u00f3gico.","breadcrumb":{"@id":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/reflexo-bulbocavernoso\/#breadcrumb"},"inLanguage":"pt-BR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.rigicon.com\/pt-br\/glossary-term\/reflexo-bulbocavernoso\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/reflexo-bulbocavernoso\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"In\u00edcio","item":"https:\/\/www.rigicon.com\/pt-br\/"},{"@type":"ListItem","position":2,"name":"Glossary Terms","item":"https:\/\/www.rigicon.com\/pt-br\/urology-glossary\/"},{"@type":"ListItem","position":3,"name":"Reflexo Bulbocavernoso"}]},{"@type":"WebSite","@id":"https:\/\/www.rigicon.com\/pt-br\/#website","url":"https:\/\/www.rigicon.com\/pt-br\/","name":"Rigicon","description":"Innovative Urological Solutions","publisher":{"@id":"https:\/\/www.rigicon.com\/pt-br\/#organization"},"alternateName":"Innovative Urological Solutions","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.rigicon.com\/pt-br\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-BR"},{"@type":"Organization","@id":"https:\/\/www.rigicon.com\/pt-br\/#organization","name":"Rigicon, Inc.","alternateName":"Innovative Urological Solutions","url":"https:\/\/www.rigicon.com\/pt-br\/","logo":{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/www.rigicon.com\/pt-br\/#\/schema\/logo\/image\/","url":"https:\/\/www.rigicon.com\/wp-content\/uploads\/2024\/07\/cropped-Logo-Square-Kopya.jpg","contentUrl":"https:\/\/www.rigicon.com\/wp-content\/uploads\/2024\/07\/cropped-Logo-Square-Kopya.jpg","width":512,"height":512,"caption":"Rigicon, Inc."},"image":{"@id":"https:\/\/www.rigicon.com\/pt-br\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/rigiconurology\/","https:\/\/x.com\/rigiconurology","https:\/\/www.instagram.com\/rigiconurology\/","https:\/\/www.youtube.com\/@Rigicon\/podcasts","https:\/\/www.youtube.com\/Rigicon","https:\/\/www.threads.net\/@rigiconurology","https:\/\/www.linkedin.com\/company\/rigicon\/"],"description":"Rigicon is a global provider of innovative, diverse, and complete portfolio of prosthetic urology options.","email":"operations@rigicon.com","telephone":"+1 (888) 202-9790","legalName":"Rigicon, Inc.","vatID":"81-3545645","taxID":"81-3545645","duns":"045247683"}]}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.rigicon.com\/pt-br\/wp-json\/wp\/v2\/glossary-term\/32383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rigicon.com\/pt-br\/wp-json\/wp\/v2\/glossary-term"}],"about":[{"href":"https:\/\/www.rigicon.com\/pt-br\/wp-json\/wp\/v2\/types\/glossary-term"}],"wp:attachment":[{"href":"https:\/\/www.rigicon.com\/pt-br\/wp-json\/wp\/v2\/media?parent=32383"}],"wp:term":[{"taxonomy":"glossary-category","embeddable":true,"href":"https:\/\/www.rigicon.com\/pt-br\/wp-json\/wp\/v2\/glossary-category?post=32383"},{"taxonomy":"glossary-product","embeddable":true,"href":"https:\/\/www.rigicon.com\/pt-br\/wp-json\/wp\/v2\/glossary-product?post=32383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}