What is a Partial Knee Replacement?

Partial knee replacement is a surgical procedure that removes part of the knee bone and replaces it with metal and plastic components. The procedure is performed under general anesthesia on an inpatient or sometimes outpatient basis. Procedure steps include the following:

• An incision is made near the patella (kneecap)
• Knee muscles and soft tissues are retracted so the joint can be visualized
• Damaged bone and cartilage are removed
• Metal and plastic components are placed over prepared bone and cemented into place
• A physical examination confirms proper implant position and function

The incision is carefully closed and sterilely dressed to prevent infection and ensure proper healing. The patient is brought to the postoperative recovery room where nurses take care of them until they are awake and alert. The patient stays in a comfortable private hospital room or returns home after their procedure. Pain and other symptoms quickly go away and quality of life improves as strength, flexibility, and function are gained. Total recovery time is usually 3-6 months.

What Does a Partial Knee Replacement Treat?

Knee arthritis irritates and inflames knee bone and cartilage. Moderate to severe knee arthritis may not respond to nonsurgical treatment but may also not be severe enough to require a total knee replacement. A partial knee replacement is the perfect alternative. It is indicated for arthritis that is localized to one side of the knee. Symptoms patients should be aware of include the following:

• Pain
• Stiffness
• Swelling
• Weakness

Patients who receive an early diagnosis see their symptoms decrease as quickly as possible. Patients who experience symptoms are encouraged to make an appointment as soon as possible.