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A partial or unicondylar knee replacement, as its name suggests, replaces only the affected compartment of the knee. On the other hand, a total knee replacement involves the replacement of all three compartments of the knee.
While in total knee replacement all the compartments of the knee joint are usually replaced, a partial knee replacement only involves the replacement of a single knee compartment. The knee joint is divided into three compartments or spaces.
A partial knee replacement (aka a unicompartmental knee replacement) is similar to total knee replacement, except that the metal and plastic implant that replaces damaged bone and cartilage is placed only on the affected compartment. Most people with unicompartmental arthritis have it on the medial side.
When it comes to knee replacements, total knee replacements have historically trumped partial knee replacements – and for good reason. Knee surgery is complicated business (the knee...
Which is better, partial or full knee replacement? A partial knee replacement is one type of knee replacement. The other type is a total knee replacement. Total knee replacements are more common. Your surgeon will replace all three compartments with a prosthetic joint.
Knee replacement surgery replaces parts of injured or worn-out knee joints. The surgery can help ease pain and make the knee work better. During the surgery, damaged bone and cartilage are replaced with parts made of metal and plastic.
Partial knee replacement is where the bone surfaces of only one compartment of the knee joint are removed and replaced with implants, as compared to that of multiple compartments in the case of a total knee replacement. It is a common treatment for unicompartmental arthritis.