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Article . 2014
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Artroplastia total do joelho auxiliada por navegação: análise de 200 casos

Authors: Luzo, Marcus Vinicius Malheiros; Morlin Ambra, Luiz Felipe; Debieux, Pedro; da Silveira Franciozi, Carlos Eduardo; Ribeiro Costi, Raquel; de Toledo Petrilli, Marcelo; Seiji Kubota, Marcelo; +5 Authors

Artroplastia total do joelho auxiliada por navegação: análise de 200 casos

Abstract

ResumoObjetivoavaliar os resultados das cirurgias assistidas por navegação (CAN) nas artroplastias totais de joelho.Métodoforam avaliados 196 pacientes submetidos à artroplastia total de joelho com auxílio da navegação por computador. Avaliados no intraoperatório os espaços (gaps) de extensão e de flexão, o alinhamento pós‐operatório e o questionário funcional da Knee Society Score (KSS) pré‐operatório e pós‐operatório com seguimento médio de 22 meses.Resultadosdos pacientes, 86,7% apresentaram bom alinhamento do eixo mecânico (dentro de 3° de varo ou valgo em relação ao eixo mecânico) e 96,4% apresentaram ambos os gaps de flexão e extensão balanceados. No pré‐operatório, 97% dos pacientes apresentavam KSS funcional ruim ou insuficiente, no pós‐operatório 77,6% apresentavam KSS funcional bom ou excelente.Conclusãoa navegação proporcionou a obtenção de implantes alinhados e balanceados com importante melhoria da função nos pacientes. Foram evidenciados sua utilidade no estudo, o entendimento e o aperfeiçoamento do conhecimento na execução das artroplastias.AbstractObjectiveto evaluate the results from surgery with computer‐assisted navigation in cases of total knee arthroplasty.Method196 patients who underwent total knee arthroplasty with computer‐assisted navigation were evaluated. The extension and flexion spaces (gaps) were evaluated during the operation and the alignment after the operation was assessed. The functional questionnaire for the Knee Society Score (KSS) was applied preoperatively and postoperatively after a mean follow‐up of 22 months.Results86.7% of the patients presented good alignment of the mechanical axis (less than 3° of varus or valgus in relation to the mechanical axis) and 96.4% of the patients presented balanced flexion and extension gaps. Before the operation, 97% of the patients presented poor or insufficient KSS, but after the operation, 77.6% presented good or excellent KSS.Conclusionthe navigation system made it possible to achieve aligned and balanced implants, with notable functional improvement among the patients. It was seen to be useful in assessing, understanding and improving knowledge in relation to performing arthroplasty procedures.

Keywords

Arthroplasty, replacement, Cirurgia assistida por computador, Joelho, Artroplastia de substituição, Knee, Surgery, Computer‐assisted surgery

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
gold