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<p>Although navigation technologies have been widely adopted over the past two decades in primary total knee arthroplasty (TKA), their application in revision total knee arthroplasty (R-TKA) remains scarcely documented. This technical note outlines a surgical protocol designed to achieve targeted coronal alignment using off-label, image-free, optical navigation during R-TKA. This technique is suitable for all image-free optical navigation systems. We report 8 cases utilizing this method. Based on postoperative long-leg radiograph measures, the mean absolute deviation from the surgical plan was 1.5°&#xa0;±&#xa0;1.3° (range 0.2°–3.8°) for the femur (lateral distal femoral angle) and 1.3°&#xa0;±&#xa0;1.5° (range 0°–4.7°) for the tibia (medial proximal tibial angle). Navigation assistance during R-TKA appears as a useful tool, particularly in cases where conventional instrumentation proves inadequate (shaft deformation, femoral canal obstruction).</p>

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The use of navigation to achieve planned coronal alignment during cemented revision total knee arthroplasty: a technical note and case series

  • 期刊论文

  • 发表日期：

    2025年8月11日

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  • Clément Horteur,
  • Thomas Van Den Wyngaert,
  • Vincent Massé,
  • Marc-Olivier Kiss

摘要

Although navigation technologies have been widely adopted over the past two decades in primary total knee arthroplasty (TKA), their application in revision total knee arthroplasty (R-TKA) remains scarcely documented. This technical note outlines a surgical protocol designed to achieve targeted coronal alignment using off-label, image-free, optical navigation during R-TKA. This technique is suitable for all image-free optical navigation systems. We report 8 cases utilizing this method. Based on postoperative long-leg radiograph measures, the mean absolute deviation from the surgical plan was 1.5° ± 1.3° (range 0.2°–3.8°) for the femur (lateral distal femoral angle) and 1.3° ± 1.5° (range 0°–4.7°) for the tibia (medial proximal tibial angle). Navigation assistance during R-TKA appears as a useful tool, particularly in cases where conventional instrumentation proves inadequate (shaft deformation, femoral canal obstruction).