A Partial Knee Replacement (PKR) is a surgical treatment that is implemented when there is damage to only one part of the knee. Only the damaged or diseased section of the knee is replaced with a prosthesis during partial knee replacement, as opposed to total knee placement.
When arthritis affects only a portion of the knee, partial knee replacement entails removing only the diseased or damaged tissue and bone in the knee joint.
Typically, the rest of the knee is maintained. Originally reserved for elderly patients who participated in a few physical activities, this technique is now often performed on younger patients since their recovery is less painful and faster.
Ideal Candidate for Partial Knee Replacement
Individuals suffering from lateral or medial knee arthritis may be ideal candidates for partial knee replacement. The medial compartment of the knee joint is the one closest to the opposing knee. The lateral compartment of the knee joint is the farthest away from the opposing knee.
Patients who are experiencing prolonged discomfort while maintaining healthy body weight and taking anti-inflammatory medication may benefit from partial knee replacement. He or she should also display a healthy range of motion in the knee, with damage in one portion of an otherwise stable knee.
Risks of Partial Knee Replacement
Partial knee replacement surgery, like any other surgical procedure, involves certain, often very manageable, risks. These include:
Failure or loosening of the implant
A degree of knee joint stiffness
Infection at the surgical site
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Procedure for Partial Knee Replacement
General anaesthesia or regional anaesthesia is used during partial knee replacement surgery. During general anaesthesia, the patient is sleeping and pain-free, whereas regional anaesthetic numbs the patient from the waist down.
The partial knee replacement procedure begins with the surgeon creating a 3-5 inch long incision over the knee. He or she then examines the whole knee joint for injury.
The diseased or damaged tissue and bone is removed, and a metal or plastic prosthesis is then inserted into the knee. Once the implant has been properly positioned, it is secured using bone cement. The wound is finally closed with stitches.
Moving your knee on the day of your surgery will greatly aid in your rehabilitation and recovery. You will most likely be discharged in one or two days.
Physical therapy will be required throughout the recovery time, and you should be able to resume normal activities in two to eight weeks.
The path to recovery
Our board-certified orthopaedic surgeons at Valiant Clinic & Hospital specialize in the diagnosis and treatment of a wide range of knee injuries and degenerative conditions, including total and partial knee replacements for arthritis treatment and revision replacements following unsuccessful surgery.