Knee replacement is generally performed with an aim to reduce the pain and improve the mobility and functioning of the diseased or damaged knee joint. Although total knee replacement is an excellent option for such patients, for those patients whose only one part or compartment of the joint is damaged, unicompartmental knee replacement can prove to be more beneficial and natural procedure.
It is an option for a small percentage of patients with osteoarthritis of the knee whose arthritis is confined to any one of the three condyles (medial, lateral or patellofemoral) of the knee joint. The procedure involves replacement or resurfacing of only the damaged compartment with metal or plastic prosthesis. The healthy cartilage and bone in the rest of the knee are preserved to support the knee joint.
A surgeon may recommend unicondylar knee replacement surgery in the following conditions:
Contrary to this, following conditions are not considered ideal for unicondylar knee replacement: