Healthy couple in the park

Partial Knee Replacement

Knee replacement surgery is generally the final treatment option for advanced knee arthritis when all other conservative treatments or joint preserving surgical options have been exhausted or deemed no longer appropriate.

The knee is considered to have three main compartments – the medial (or inner) tibiofemoral compartment, the lateral (outer) tibiofemoral compartment and the patellofemoral compartment (joint between the kneecap and the femur). If your arthritis affects only one of the three main compartments of your knee, you may benefit from a partial knee replacement.

To be suitable for a partial knee replacement, the deformity must be correctible on examination, the ligaments should be intact and the range of knee movement should be relatively preserved.

The potential advantages of a partial knee replacement are that they often feel more like the normal knee because the knee ligaments are spared. Furthermore, the surgical approach is less invasive so recovery is generally quicker.

There is the risk that you could develop arthritis in the rest of your knee which has not been replaced by a partial knee replacement. This could result in pain symptoms that might require the partial knee replacement to be converted to a total knee replacement at a later date.


The following download will tell you more about knee replacement surgery.

Patient leaflet knee replacement surgery

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