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Total knee implant posterior stabilised by a third condyle: Designevolution and post-operative complications

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ABSTRACT Background: Despite excellent long-term outcomes, posterior stabilisation by a third condyle continuesto receive unwarranted criticism regarding patellar complications and instability. Hypothesis: Complication rates with a tri-condylar posterior-stabilised implant are similar to those withother posterior-stabilised prostheses and have diminished over time due to improvements in prosthesisdesign. Material and methods: Post-operative complications and revision rates were…

Anterior Opening Wedge Osteotomy of the Tibia for the Treatment of Genu Recurvatum

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SPECIAL TECHNICAL ARTICLE Vincent Villa, MD,* Romain Gaillard,* Jonathan Robin, MD,w Caroline Debette, MD,* Elvire Servien, PhD,* Sebastien Lustig, PhD,* and Philippe Neyret, PhD*   Summary: Pathologic genu recurvatum is defined by knee hyperextension in excess of 15 degrees and is usually asymmetric. This is a rare disease that can be related to bony, soft tissue…

The effect of lateral opening wedge distal femoral osteotomy on leg length

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Purpose Varisation distal femoral osteotomy is a welldescribed treatment for lateral compartment arthrosis in the young, active patient. This treatment may potentially alter the length of the lower limb. The objective of this study was to quantify the change in leg length following lateral opening wedge distal femoral osteotomy using a blade plate. Methods Between…

Factors influencing posterior tibial slope and tibial rotation

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Purpose Opening wedge high tibial osteotomy (HTO) is an accepted treatment option for medial compartment knee osteoarthritis with associated varus lower limb axis in younger, more active patients. A concern with the use of this technique is that posterior tibial slope (PTS) and tibial rotation can be altered. We hypothesized that there is a tendency…

Medial Versus Lateral Parapatellar App roach

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Background When performing total knee arthroplasty (TKA) in the setting of osteoarthritis with valgus deformities, the surgeon can choose whether to approach the joint via a standard medial parapatellar approach, or via a lateral parapatellar approach. Keblish [4] recommended a lateral parapatellar approach for knees with a fixed valgus deformity as this method provides direct…

Results lateral opening Wedge distal femoral osteotomy

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The effect of lateral opening wedge distal femoral osteotomy on leg length

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Introduction Varising distal femoral osteotomy is a well-described treatment for lateral compartment arthrosis in the young, active patient. Distal femoral varising osteotomy may be performed using a lateral opening wedge or medial closing wedge technique [1-2-3-4]. The most commonly described technique is the medial closing wedge [5-11]. In our center, the preferred method is the…

results and complications of single-stage total knee arthroplasty

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The femoral mechanical axis is represented by the line passing through the centre of the femoral head and the middle of the tibial spines. The angle described in our study represents the angle between this axis and the tangent line of the femoral condyles. The tibial mechanical axis is represented by the line passing by…

Total knee arthroplasty of the stiff knee

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Abstract Purpose The purpose of this study was to analyse the results of total knee arthroplasty (TKA) in stiff knees (flexion ≤90° and/or flexion contracture ≥20°). Our hypothesis was that despite having poorer results than those obtained in a “standard” population and a high rate of complications, TKAwas a satisfactory treatment in patients with osteoarthritis…