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Artroplastia total do joelho auxiliada por navega??o: análise de 200 casos

机译:导航辅助全膝关节置换术200例分析

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ResumoObjetivo avaliar os resultados das cirurgias assistidas por navega??o (CAN) nas artroplastias totais de joelho. Método foram avaliados 196 pacientes submetidos à artroplastia total de joelho com auxílio da navega??o por computador. Avaliados no intraoperatório os espa?os (gaps) de extens?o e de flex?o, o alinhamento pós‐operatório e o questionário funcional da Knee Society Score (KSS) pré‐operatório e pós‐operatório com seguimento médio de 22 meses. Resultados dos pacientes, 86,7% apresentaram bom alinhamento do eixo mecanico (dentro de 3° de varo ou valgo em rela??o ao eixo mecanico) e 96,4% apresentaram ambos os gaps de flex?o e extens?o balanceados. No pré‐operatório, 97% dos pacientes apresentavam {KSS} funcional ruim ou insuficiente, no pós‐operatório 77,6% apresentavam {KSS} funcional bom ou excelente. Conclus?o a navega??o proporcionou a obten??o de implantes alinhados e balanceados com importante melhoria da fun??o nos pacientes. Foram evidenciados sua utilidade no estudo, o entendimento e o aperfei?oamento do conhecimento na execu??o das artroplastias. AbstractObjective to evaluate the results from surgery with computer‐assisted navigation in cases of total knee arthroplasty. Method 196 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. Results 86.7% 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. Conclusion the 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.
机译:摘要目的评估全膝关节置换术中导航辅助手术(CAN)的结果。方法对196例行计算机辅助全膝关节置换术的患者进行了评估。在术中,术前和术后的膝关节社会评分(KSS)的伸展和屈曲间隙,术后对齐和功能调查表平均随访22个月。患者结果中,有86.7%的患者表现出机械轴的良好对准(相对于机械轴的内翻或外翻3°以内),而96.4%的患者既有屈曲间隙也有伸展间隙。在术前,有97%的患者有功能不良或不足,在术后有77.6%的患者有良好或优良的功能。结论导航提供了对准和平衡植入物的获取,对患者的功能有重要改善。证明了其在关节置换术的研究中的用途,理解和知识的改进。摘要目的评估全膝关节置换术中计算机辅助导航的手术效果。方法对196例行全膝关节置换术并通过计算机辅助导航的患者进行了评估。在手术过程中评估伸展和屈曲空间(间隙),并评估手术后的对准情况。在平均随访22个月后,术前和术后应用了膝关节社会功能评分(KSS)功能问卷。结果86.7%的患者表现出良好的机械轴对准(相对于机械轴小于内翻或外翻3°),96.4%的患者表现出平衡的屈伸间隙。术前97%的患者表现为KSS差或不足,但术后77.6%的患者表现为KSS好或差。结论导航系统可以实现对齐和平衡的植入物,患者之间的功能得到显着改善。人们认为它对于评估,理解和改善与进行关节置换术有关的知识很有用。

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