Total Knee Arthroplasty Associate with Extra-Articular Deformity
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چکیده
Long-term success on total knee arthroplasty (TKA) depends mainly on restitution of the limb’s mechanical axis and appropriate balance of soft tissue, as these factors optimize the load distribution to the interfaces [1-4]. Almost all patients with osteoarthritis have some degree of articular deformity, in varus or valgus, associated or not to certain ligament instability. In most cases, conventional surgical technique and equipment are used without any problem [5], achieving the correction of the axis by release and balance of soft tissues and intra-articular bone cuts in the tibia and femur [3,4,6].
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Navigation-Assisted Total Knee Arthroplasty for Osteoarthritis with Extra-Articular Femoral Deformity and/or Retained Hardware
Total knee arthroplasty (TKA) for osteoarthritis (OA) patients with extra-articular deformity is still challenging because angular deformity, canal sclerosis, or the retained hardware that precludes the use of the traditional intramedullary guide. In addition, atypical bone cut for intra-articular correction leads to imbalanced soft tissue gap. Furthermore, corrective osteotomy should be consid...
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Multiple acceptable options are available for the correction of distal femoral deformity associated with knee arthritis. The treatment modality should be chosen based on the extent of deformity and attention to preservation of the collateral ligaments. Surgical options range from osteotomy alone, arthroplasty with intra-articular correction, or arthroplasty with extra-articular correction. Diff...
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