{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T15:41:06Z","timestamp":1793029266773,"version":"4.5.0"},"reference-count":30,"publisher":"Georg Thieme Verlag KG","issue":"05","license":[{"start":{"date-parts":[[2022,6,20]],"date-time":"2022-06-20T00:00:00Z","timestamp":1655683200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev Bras Ortop (Sao Paulo)"],"published-print":{"date-parts":[[2022,10]]},"abstract":"<jats:title>Resumo<\/jats:title><jats:p>\n          Objetivo\u2003O manejo da perda \u00f3ssea representa um grande desafio em cirurgias de revis\u00e3o de artroplastia do joelho (rATJ) e em artroplastias totais do joelho (ATJ) prim\u00e1rias complexas. O objetivo do presente estudo foi avaliar os resultados em m\u00e9dio prazo (seguimento m\u00ednimo de 5 anos) das reconstru\u00e7\u00f5es de joelho nas quais cones de metal trabecular (MT) de t\u00e2ntalo foram utilizados para tratamento de defeitos \u00f3sseos tipos 2 e 3, de acordo com a classifica\u00e7\u00e3o proposta pela Anderson Orthopaedic Research Institute (AORI).<\/jats:p><jats:p>\n          M\u00e9todos\u2003Feita an\u00e1lise retrospectiva dos prontu\u00e1rios dos pacientes operados entre julho de 2008 e novembro de 2014, coletando-se os seguintes dados: idade, g\u00eanero, lateralidade, \u00edndice de massa corporal, etiologia da artrose, comorbidade, classifica\u00e7\u00e3o AORI da falha \u00f3ssea, causa da revis\u00e3o da artroplastia total do joelho, reinterna\u00e7\u00f5es, reopera\u00e7\u00f5es, complica\u00e7\u00f5es peri- e p\u00f3s-operat\u00f3rias, ocorr\u00eancia de osteointegra\u00e7\u00e3o radiogr\u00e1fica e manuten\u00e7\u00e3o da fun\u00e7\u00e3o de suporte do MT.<\/jats:p><jats:p>\n          Resultados\u2003Foram avaliados 11 pacientes com tempo m\u00e9dio de seguimento de 7,28 anos (desvio padr\u00e3o [DP]\u2009=\u20091,88; varia\u00e7\u00e3o\u2009=\u20095,12\u201310 anos), sendo que 1 paciente foi submetido a artroplastia prim\u00e1ria, 6 a artroplastia de revis\u00e3o e 4 a segunda revis\u00e3o de artroplastia (re-revis\u00e3o). Tr\u00eas pacientes necessitaram de quatro reopera\u00e7\u00f5es devido a complica\u00e7\u00f5es com a ferida operat\u00f3ria, a les\u00e3o do mecanismo extensor e a soltura do componente femoral. Sinais de osteointegra\u00e7\u00e3o dos cones trabeculados foram observados em todos os pacientes. N\u00e3o observamos migra\u00e7\u00e3o do cone de MT ou dos componentes prot\u00e9ticos.<\/jats:p><jats:p>\n          Conclus\u00e3o\u2003Os cones metafis\u00e1rios de t\u00e2ntalo foram capazes de prover suporte estrutural eficiente aos implantes prot\u00e9ticos com sinais radiogr\u00e1ficos de osteointegra\u00e7\u00e3o em m\u00e9dio prazo.<\/jats:p>","DOI":"10.1055\/s-0041-1739465","type":"journal-article","created":{"date-parts":[[2022,6,20]],"date-time":"2022-06-20T23:04:03Z","timestamp":1655766243000},"page":"734-740","source":"Crossref","is-referenced-by-count":3,"title":["Reopera\u00e7\u00f5es e resultados radiogr\u00e1ficos de m\u00e9dio prazo do uso de cone de metal trabecular de t\u00e2ntalo nas artroplastias do joelho"],"prefix":"10.1055","volume":"57","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8815-2161","authenticated-orcid":false,"given":"Sandra Tie Nishibe","family":"Minamoto","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9777-9054","authenticated-orcid":false,"given":"Lu\u00eds Felipe Tupinamb\u00e1 da","family":"Silva","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2635-1469","authenticated-orcid":false,"given":"Jos\u00e9 Leonardo Rocha de","family":"Faria","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7315-0961","authenticated-orcid":false,"given":"Hugo Alexandre de Araujo Barros","family":"Cobra","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4193-2376","authenticated-orcid":false,"given":"Idemar Monteiro da","family":"Palma","sequence":"additional","affiliation":[{"name":"Hospital Rios D'Or da Rede D'Or S\u00e3o Luiz, Rio de Janeiro, RJ, Brasil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5855-5808","authenticated-orcid":false,"given":"Alan de Paula","family":"Mozella","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2022,6,20]]},"reference":[{"issue":"08","key":"ref1","doi-asserted-by":"crossref","first-page":"981","DOI":"10.1302\/0301-620X.90B8.19948","article-title":"The management of bone loss in revision total knee replacement","volume":"90","author":"J P 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