{"id":32951,"date":"2026-09-10T19:03:00","date_gmt":"2026-09-10T23:03:00","guid":{"rendered":"https:\/\/www.rigicon.com\/?post_type=glossary-term&p=32951"},"modified":"2026-09-11T06:18:00","modified_gmt":"2026-09-11T10:18:00","slug":"explante","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/explante\/","title":{"rendered":"Explante"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[112],"glossary-product":[104,105],"class_list":["post-32951","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-surgical-procedures","glossary-product-infla10-pulse-ipp-series","glossary-product-rigi10-malleable-penile-prosthesis"],"acf":{"gt-definition":"<p>\n        O explante refere-se \u00e0 remo\u00e7\u00e3o cir\u00fargica de um dispositivo m\u00e9dico implantado do corpo<span class=\"citation\">1<\/span>. Este procedimento \u00e9 realizado quando um implante n\u00e3o \u00e9 mais necess\u00e1rio, apresentou mau funcionamento ou est\u00e1 causando complica\u00e7\u00f5es<span class=\"citation\">2<\/span>. O explante envolve a extra\u00e7\u00e3o cuidadosa do dispositivo, o que pode incluir a remo\u00e7\u00e3o do tecido cicatricial circundante (c\u00e1psula) que se forma naturalmente ao redor dos implantes<span class=\"citation\">3<\/span>. A complexidade do procedimento varia dependendo do tipo de implante, de sua localiza\u00e7\u00e3o, do tempo de perman\u00eancia e do grau de integra\u00e7\u00e3o tecidual com o dispositivo<span class=\"citation\">4<\/span>.\n    <\/p>\n<p>\n        Em contextos m\u00e9dicos, o explante atende a m\u00faltiplos prop\u00f3sitos: resolu\u00e7\u00e3o de complica\u00e7\u00f5es, substitui\u00e7\u00e3o de dispositivos que falharam, remo\u00e7\u00e3o de implantes tempor\u00e1rios ap\u00f3s cumprirem sua finalidade ou abordagem de preocupa\u00e7\u00f5es do paciente sobre a seguran\u00e7a do implante<span class=\"citation\">5<\/span>. A decis\u00e3o de realizar o explante requer uma avalia\u00e7\u00e3o criteriosa de risco-benef\u00edcio, pois o pr\u00f3prio procedimento acarreta riscos cir\u00fargicos potenciais que devem ser ponderados contra os benef\u00edcios da remo\u00e7\u00e3o do dispositivo<span class=\"citation\">6<\/span>.\n    <\/p>\n","gt-synonyms":"Remo\u00e7\u00e3o de implante, extra\u00e7\u00e3o de dispositivo, remo\u00e7\u00e3o de material de s\u00edntese, remo\u00e7\u00e3o de pr\u00f3tese, explanta\u00e7\u00e3o de implante, explanta\u00e7\u00e3o de dispositivo, explante de material de s\u00edntese, extra\u00e7\u00e3o de pr\u00f3tese","gt-citation":"[1] Hansson SO. The ethics of explantation. BMC Med Ethics. 2021 Sep 8;22(1):121. DOI: 10.1186\/s12910-021-00690-8\n\n[2] Fukuhara S, Brescia AA, Shiomi S, Rosati CM, Yang B, Kim KM, Deeb GM. Surgical Explantation of Transcatheter Aortic Bioprostheses: Results and Clinical Implications. J Thorac Cardiovasc Surg. 2022 Aug 1;162(2):539-547.e1. DOI: 10.1016\/j.jtcvs.2019.11.139\n\n[3] Conner K, Chrysopoulo M, Kocak E. Breast Implant Removal (Explant Surgery): What To Expect. Breastcancer.org. 2025 Jan 17. Available at: https:\/\/www.breastcancer.org\/treatment\/surgery\/breast-reconstruction\/types\/breast-implant-removal\n\n[4] Tang GHL, Zaid S, Kleiman NS, et al. Explant vs Redo-TAVR After Transcatheter Valve Failure: Mid-Term Outcomes From the EXPLANTORREDO-TAVR International Registry. JACC Cardiovasc Interv. 2023 Apr 24;16(8):927-941. DOI: 10.1016\/j.jcin.2023.01.376\n\n[5] Lieffering AS, Keizers PHJ, Bakker S, de Boer A, Woerdenbag HJ, van Puijenbroek EP. Medical Specialist Care Utilization Prior to the Explantation of Breast Implants. Aesthetic Plast Surg. 2024. DOI: 10.1007\/s00266-024-04047-5\n\n[6] Bapat VN, Fukui M, Zaid S, et al. A Guide to Transcatheter Aortic Valve Design and Systematic Planning for a Redo-TAV (TAV-in-TAV) Procedure. JACC Cardiovasc Interv. 2024 Jul 22;17(14):1631-1651. DOI: 10.1016\/j.jcin.2024.04.047","gt-clinical-context":"<p>\n        O explante \u00e9 realizado em diversas especialidades m\u00e9dicas, com indica\u00e7\u00f5es, t\u00e9cnicas e considera\u00e7\u00f5es vari\u00e1veis a depender do tipo de implante e de fatores do paciente<span class=\"citation\">1<\/span>.\n    <\/p>\n<p>\n        Na cardiologia e cirurgia card\u00edaca, o explante pode ser necess\u00e1rio para implantes transcateter de v\u00e1lvula a\u00f3rtica (TAVR) devido \u00e0 degenera\u00e7\u00e3o estrutural da valva (23,5%), refluxo paravalvar grave (41,2%), complica\u00e7\u00f5es do procedimento (23,5%), endocardite (5,9%) ou como ponte para cirurgia definitiva (5,9%)<span class=\"citation\">2<\/span>. O procedimento torna-se mais complexo quando o implante est\u00e1 posicionado h\u00e1 mais de um ano, pois pode ocorrer neoendoteliza\u00e7\u00e3o, exigindo endarterectomia a\u00f3rtica vigorosa e, potencialmente, reparo n\u00e3o planejado da raiz a\u00f3rtica<span class=\"citation\">3<\/span>.\n    <\/p>\n<p>\n        Na cirurgia pl\u00e1stica, o explante de pr\u00f3tese mam\u00e1ria pode ser realizado devido a complica\u00e7\u00f5es como contratura capsular, ruptura do implante, infec\u00e7\u00e3o ou por prefer\u00eancia da paciente<span class=\"citation\">4<\/span>. O procedimento pode envolver diferentes t\u00e9cnicas, incluindo a capsulectomia total (remo\u00e7\u00e3o do implante primeiro e, em seguida, da c\u00e1psula em fragmentos) ou a capsulectomia em bloco (remo\u00e7\u00e3o do implante e da c\u00e1psula como uma unidade \u00fanica)<span class=\"citation\">5<\/span>. A capsulectomia em bloco \u00e9 particularmente indicada quando h\u00e1 ruptura de implantes de silicone, presen\u00e7a de biofilme ou quando a paciente \u00e9 diagnosticada com linfoma anapl\u00e1sico de grandes c\u00e9lulas associado a implante mam\u00e1rio (BIA-ALCL)<span class=\"citation\">6<\/span>.\n    <\/p>\n<p>\n        Na ortopedia, o explante de materiais de s\u00edntese pode ser necess\u00e1rio devido a infec\u00e7\u00e3o, falha mec\u00e2nica, dor ou ap\u00f3s o dispositivo ter cumprido seu papel no direcionamento da consolida\u00e7\u00e3o \u00f3ssea<span class=\"citation\">7<\/span>. Da mesma forma, na urologia, dispositivos como implantes penianos podem exigir explante decorrente de infec\u00e7\u00e3o, falha mec\u00e2nica ou insatisfa\u00e7\u00e3o do paciente<span class=\"citation\">8<\/span>.\n    <\/p>\n<p>\n        A sele\u00e7\u00e3o de pacientes para o explante requer uma pondera\u00e7\u00e3o cuidadosa dos riscos e benef\u00edcios cir\u00fargicos, especialmente em pacientes de alto risco<span class=\"citation\">9<\/span>. O escore de Risco Predito de Mortalidade da Society of Thoracic Surgeons \u00e9 significativamente maior no momento do explante do que no momento do implante original (9,9% vs. 3,5%)<span class=\"citation\">10<\/span>, evidenciando os riscos aumentados associados a esses procedimentos.\n    <\/p>\n","gt-related-evidence":null,"gt-featured":false,"gt-ai-referenced":true,"gt-view-count":0},"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>Explante: Cirurgia de Remo\u00e7\u00e3o de Pr\u00f3teses e Implantes<\/title>\n<meta name=\"description\" content=\"O explante \u00e9 a remo\u00e7\u00e3o cir\u00fargica de implantes m\u00e9dicos devido a infec\u00e7\u00f5es, falhas ou complica\u00e7\u00f5es. 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