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0.735 NR 0.300 WOMAC 0.681 0.490 0.589 Pain SS 0.904 0.236 0.259 Function SS 0.647 0.703 0.316 Stiffness 0.098 NR 0.316 *Stuffing defined as AFO increased by at least 1mm (2.8 average
Orthopaedic Department, University General Hospital of Larissa, Greece
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. Appropriate soft tissue tension in TKA is of paramount importance since incorrect tensioning can lead to either stiffness or instability. 2 , 7 A normal knee has seven laxities. In simple practical terms, the medial compartment is stable in extension and
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) or patella tendon rupture ( Fig. 2 ) or avulsion which can occur either intraoperatively or postoperatively. Intraoperative failure of the extensor mechanism is usually related to gaining exposure to a stiff knee or over resection of the patella
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micromotion in modular implants, have greatly reduced this problem. Today infection, instability, malalignment, stiffness and dissatisfaction with the outcome of the procedure are the main drivers for early revision. 1 In particular, this is a more
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to periarticular involvement with quadricep deficiency, iliotibial tendinitis, pes bursitis, stiffness or prepatellar bursitis, 18.8% were due to projected pain, 2.7% were due to complex regional pain syndrome and 6.3% had no explaining diagnosis
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adopt an algorithm to approach these cases and avoid failures. Pragmatically, stiff failed TKAs tend to fail in stiffness again and almost never in instability, while unstable TKAs tend to fail for instability again and almost never for stiffness. A
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immobilization. 18 Therefore it is proposed that early mobilization prevents adverse events and can reduce pain and stiffness after treatment. 10 , 12 Immobilization with a removable posterior splint Removable splints are patient friendly, as
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severely affected knees, stiffness and flexion contracture are frequently found. In addition, important angular deformities (varus or valgus), external rotation of the tibia and leg length discrepancy can be observed ( 9 , 10 ) ( Fig. 2 ). Early (age 1
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, stiffness and extensor mechanism complications. 4 TKA revision often requires the use of more constrained implants. In the literature, hinged implants characterize the tibiofemoral junction. They are the most constrained types of implants. They are used
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affects the joint, and tendon sheet, as a neoplastic proliferation of synovial tissue occurs ( 50 ). Patients with PVNS usually suffer from pain, reduced joint motion and even joint locking, frequent joint effusions, stiffness, and instability ( 51 ). In