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Knee endoprosthesis

Knee endoprosthesis

Assoc. prof. MD Ibrahim Akmaz, specialist in orthopaedics and traumatology

Progressive destruction and subsequent loss of the cartilage layer leads to direct contact and rubbing between the bones, resulting in deformation of the joint and causing pain.


 

The knee joint consists of three bones, two joints and a knee cap. The cap can also cause pain. We often change the cap during the operation. We make bone incisions suitable for the prosthesis, in which we position the artificial joint. The patient is able to stand up the next day. Within 1.5-3 months the pain and swelling disappear. It is possible for the patient to be slightly unwell during this period, but we still allow him to move and walk on his own.

In which cases is it necessary to change the knee joint?

The knee arthroplasty is usually placed after the age of 60. The reason to resort to this application is due to rheumatic and arthritic diseases, the leading one being pain. The prosthesis is placed in cases when the patient experiences pain that adversely affects everyday life, leads to difficulties in traveling short distances and is unable to perform household chores.

What to emphasize in the post-operative period?

The most important thing is to strengthen the front muscles through exercise. Patients should pay attention to their knees. They should also sit in high places and not use squat toilets. As it can damage the knees, it is not allowed to sit "in Turkish". The prosthesis allows you to perform the movements necessary for everyday life, but still the knees should not be loaded too much.

Does being overweight hurt your knees?

Yes of course. Being overweight damages the knees and also complicates surgery. Such patients also have an increased risk of postoperative infections. It also shortens the life of the prosthesis, because with each step the joint bears 4-5 times its own weight. So, if a person weighs 10 kilograms above the norm, with each step the knee suffers 40-50 kilograms more. This complicates the functionality of the prosthesis.

What is the lifespan of the prosthesis?

If good technique is applied and the patient takes care, the period of use of the prosthesis is about 15 years. Of course, the quality of the bone mass is also very important.

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