Failed Total Knee Replacement

Although relatively rare, knee replacement surgery (knee arthroplasty) can be unsuccessful. If unsuccessful, repeat or revision knee replacement may be necessary. In some patients, the parts of the knee replacement may become infected with bacteria. If this occurs, surgery is usually required to eradicate the infection. When properly treated, approximately 90% of infections are cured.

Loosening of the knee replacement parts from the bone can also occur. This will result in pain with weight-bearing activity and usually can be corrected with revision surgery.

Instability also may occur in a knee replacement. If conservative treatment strategies such as physical therapy are not successful, revision knee replacement may be required to restore stability to the joint.

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