Partial Knee Replacement
This type is used for partial osteoarthritis affecting only one compartment of the knee (medial or lateral), allowing the preservation of the remaining natural joint components. It is characterized by faster recovery and better range of motion after surgery.
Case Definition
Partial knee replacement is an advanced surgical option used when osteoarthritis or wear is confined to only one compartment of the knee, usually the medial or lateral side. In this procedure, only the damaged part of the joint is replaced, while the remaining healthy knee structures are preserved. This helps maintain a natural joint feeling and reduces the recovery time compared to total knee replacement.
Symptoms:
- Pain concentrated on one side of the knee, often the inner side
- Difficulty walking long distances
- Mild to moderate joint stiffness
- Pain when climbing stairs or sitting for long periods
- Ineffectiveness of conservative treatments with persistent pain
Diagnosis:
- Thorough clinical examination to identify the location of pain and joint flexibility
- X-rays showing limited wear on one side of the joint
- MRI to assess the condition of ligaments and cartilage
- Confirmation that the other part of the joint is healthy and free from infection
Treatment Methods:
- Initially: pain relievers, physical therapy, and intra-articular injections
- If the condition does not improve and pain persists: partial knee replacement is performed, replacing only the worn side with precise metal components that mimic natural joint movement. The surgery is done through a smaller incision than total knee replacement.
When is surgery necessary?
- When the damage is limited to one compartment of the knee
- When all non-surgical treatments have failed
- When the remaining ligaments and cartilage are in good condition
- If the patient experiences chronic pain that interferes with daily activities
Patient Education After Partial Knee Replacement:
- Partial knee replacement allows faster recovery and better range of motion compared to total knee replacement
- Patients can return to normal activities within 4 to 6 weeks
- Physical therapy is essential to ensure joint flexibility and restore strength
- There is no need to completely change lifestyle, but sudden movements or heavy loads on the knee should be avoided
Frequently Asked Questions About Partial Knee Replacement
We fully understand the importance of having all the necessary information to make informed decisions about your health. That’s why we have compiled the most frequently asked questions about joint replacement surgery and provided clear and reliable answers. We hope this section helps you better understand the procedure.
Yes, and in some cases it can last even longer, as long as the remaining parts of the knee joint remain healthy over time.
Yes, if the remaining parts of the knee joint deteriorate in the future, it can be converted to a total knee replacement.
Partial knee replacement provides a sensation closer to a natural knee, as most of the original joint tissues are preserved.
Patients with limited osteoarthritis, typically middle-aged, active individuals, and without significant damage to the remaining parts of the knee joint.
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