Treatment of Aseptic Loosening
Fig. 44.1 The most challenging problem is when the insertions of ligaments or tendons or the ligaments themselves are affected by osteolytic processes [1] An underestimated problem deals with the…
Low-Grade Infection After Total Knee Replacement
Organism Percentage (%) Staphylococcus aureus 41.7 Staphylococcus epidermidis 16.5 Mixed flora 15.4 Streptococcus sp. 4.7 Enterococcus 2.8 Escherichia coli 1.7 Pseudomonas 1.4 Diphtheroids (Corynebacterium) 1.4 Pneumococcus 1.1 Proteus sp. 1.1…
Specific Orthopaedic Imaging Analysis Software: Clinical Benefit for TKR Revision Surgeon
Fig. 7.1 Low-dose knee CT protocol to reduce radiation dose, only regions relevant to orthopaedic and biomechanical analysis are scanned. Scanning parameters are further optimised to reduce dose yet retain…
Discussion to Chap. 51: Patellofemoral Problems After Total Knee Replacement
Fig. 1 Radiographs (anteroposterior, lateral, and axial patella) of the right knee showing the cruciate-retaining fixed-bearing TKR. The patella has not been resurfaced. A patella baja position relative to the…
Patterns of Wear in Total Knee Replacement
Fig. 12.1 Total knee replacement after 18 years of implantation with massive wear of the tibial polyethylene insert In order to improve the wear performance of TKR, local stresses need…
Extensor Mechanism Deficiency in Total Knee Replacement
Level of deficiency Type of deficiency Treatment options Quadriceps muscle Palsy Functional bracing of ankle and knee to allow knee stability with heel strike and knee flexion with toe loading…
Joint Line Restoration in Revision Total Knee Replacement
Fig. 52.1 Joint line elevation after revision TKR for infected primary TKR. Joint line elevation occurred as a consequence of attempting to match the extension space with the intraoperatively noted…
Discussion to Chap. 15: Lateral Oversizing of Tibial TKR Component Leading to Chronic Irritation of the Iliotibial Tract
Fig. 1 Radiographs (anteroposterior, lateral) of the left knee showing a cruciate-retaining fixed-bearing TKR (Triathlon, Stryker, Switzerland). The patella was unresurfaced. The tibial TKR was slightly oversized in the mediolateral…
Discussion to Chap. 12: Chronic Pain Due to Metallosis After TKR
Fig. 1 Radiographs (anterior, lateral radiographs, skyline view) of the right knee showing a femoral and tibial cemented TKR (Emotion, Aesculap, B.Braun Medical AG, Sempach, Switzerland). A pseudo-patella baja was…
Instability of Total Knee Replacement
Fig. 16.1 Lateral radiograph demonstrating flexion instability with a CR TKR 1. Creating an excessive flexion gap by either undersizing the femoral component or having an excessive posterior tibial slope…
