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Knee Replacement

Joint osteoarthritis of the large joints represents a worldwide common disease with rising frequency.  Besides of the hip, the knee is the joint most frequently affected with degeneration. Osteoarthritis is defined as a progressive wear of cartilage, which can get under control in the early stages with conservative measures, such as physiotherapy, manual therapy, anti-inflammatory drugs and reducing the stress on the hip joint. If the cartilage defects are circumscribed there is also the possibility of a cartilage cell therapy (Autologous Chondrocyte Transplantation, shortly ACT) to repair of the defect.

However, if the consumption of cartilage exceeded a certain level, permanent pain occurs in daily life. In this stage usually only the artificial replacement of the affected joint remains as effective therapy. About 150,000 artificial knee joints are implanted annually in Germany. Therefore, this is a routine procedure, which is one of the major therapeutic focuses of the Department of Orthopedic Surgery, Physical Medicine and Rehabilitation at the Hospital of the Ludwig-Maximilians-University (LMU) Munich, Campus Grosshadern. In contrast to the hip generally up to 20% of patients are not satisfied with the outcome after replacement of the knee. The reason for this is primarily the complex natural kinematic of the knee joint. Despite advances in the field of knee prostheses it is still not possible to completely reconstruct all aspects of the natural course of motions of the knee. In this way, patient with an artificial knee joint have frequently pain at the patella and tendon insertions. The key factor for keeping the proportion of patients with pain as low as possible is the experience of the surgeon in this field.

In contrast to the hip joint, the extent of osteoarthritis and the stability of the knee joint are decisive for the choice of prosthesis.

 

        Innex-1                  Oxford-2

   Total Knee Arthroplasty      Unicompartimental Knee Arthroplasty

 
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