​Information is provided by the Department of Orthopaedic Surgery at Singapore General Hospital (SGH), a member of the SingHealth group.

Surgical treatment for knee osteoarthritis (OA knee)

Arthroscopic Debridement

Some patients may be candidates for this key-hole surgical procedure. During this operation, the surgeon shaves away the damaged parts of the cartilage inside the knee, and stimulates healing by creating small holes in the bone.

Knee Arthroscopy

Injection of Visco-supplement (Gel) into the Knee

This is a relatively simple procedure where gel is injected into the knee to relieve pain from OA. However, the gel is expensive and the results of the procedure may vary for different patients.

Total Knee Replacement (TKR)

A total knee replacement (TKR) replaces both the medial and lateral compartments of the knee, and sometimes the patellofemoral compartment.


Unicompartmental Knee Replacement

A unicompartmental (one compartment) knee replacement replaces only the most worn-out compartment within the knee, typically the medial compartment. 



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Other osteoarthritis articles you may be interested in:

Osteoarthritis: What You Need to Know

Osteoarthritis Prevention: What You Can Do