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Knee Replacement Surgery >>>
Knee Replacement Surgery
Deciding to have knee replacement surgery is a significant step, and one that most people consider carefully after trying other treatments without success. Chronic knee pain can make walking, climbing stairs, and even resting uncomfortable, leaving many patients unable to enjoy daily activities. When medication, physical therapy, and injections no longer provide enough relief, surgery may be the option that offers a lasting solution.
Knee replacement surgery involves removing the damaged portions of the knee joint and replacing them with artificial components made of metal and plastic. These implants are designed to mimic the natural movement of the knee, allowing for smoother function and reduced pain. Advances in surgical techniques and materials have made knee replacement one of the most successful procedures in modern medicine, giving many patients the chance to move with far less discomfort.
What’s Causing Your Pain?
If you’re considering a total knee replacement, chances are your pain is the result of
- Injury or trauma to the joint
- Increase in body weight
- Overuse and repetitiveness
- Connective tissue disorder
- Fracture at the knee joint
When to Consider Knee Replacement Surgery
Total knee replacement surgery is most often recommended for patients with advanced osteoarthritis of the knee. This condition, the most common type of knee arthritis, occurs when the protective cartilage that cushions the joint slowly breaks down. It is a degenerative disease that frequently impacts older adults.
You may be a candidate for a knee replacement if pain is interfering with your daily life and nonsurgical treatments are no longer helping. Common signs include pain that continues even when resting, stiffness or swelling that makes it difficult to walk, climb stairs, or bend the knee, and discomfort that disrupts your sleep. If medications, injections, and physical therapy no longer provide meaningful relief, knee replacement surgery may be the next step to restore movement and improve your quality of life.
Your doctor may advise total knee replacement if you have:
- Pain that doesn't improve with rest or home care
- Swelling, bruising, or inflammation around a joint
- Limited range of motion or stiffness
- Joint instability or feeling like a joint may give out
- Persistent numbness or tingling
- Inability to bear weight or walk comfortably
Types of Knee Replacements
Partial Knee Replacement
Partial knee replacement, also known as unicompartmental knee replacement, is a minimally invasive procedure in which only the damaged portion of the knee joint is resurfaced with an implant. Unlike a total knee replacement, the healthy areas of the knee are preserved, allowing for a more natural joint movement and often a quicker recovery.
The knee joint is made up of three compartments: the patellofemoral compartment (located in the front of the knee between the kneecap and thighbone), the medial compartment (the inner side of the knee), and the
Total Knee Replacement
Total knee replacement is a surgical procedure in which the entire knee joint is resurfaced with artificial implants. Unlike partial knee replacement, which only treats one damaged area, total knee replacement addresses all compartments of the knee to restore smooth function and relieve pain caused by severe arthritis or joint damage.
The knee joint is divided into three compartments: the patellofemoral compartment (in front of the knee, between the kneecap and thighbone), the medial compartment (on the inner side of the knee), and the lateral compartment (on the outer side of the knee). In a total knee replacement, all three compartments are resurfaced with metal and plastic implants to create a stable, pain-free joint.
Knee Replacement Procedure
A total knee replacement is a surgical procedure performed to relieve pain and restore function in a severely damaged knee joint. During surgery, the damaged bone and cartilage from the surface of the thigh bone (femur), shin bone (tibia), and sometimes the kneecap (patella) are carefully removed. These areas are then replaced with artificial components made of metal and durable plastic that are designed to replicate the natural movement of the knee..
The operation usually begins with an incision over the knee to expose the joint. The surgeon shapes the bone surfaces so that the new components fit securely, then positions the metal implants on the femur and tibia. A plastic spacer is inserted between the components to create a smooth gliding surface, allowing the new joint to bend and straighten comfortably. In some cases, the undersurface of the kneecap is also resurfaced with a plastic component for improved function. The entire surgery typically takes one to two hours, depending on the complexity of the case.
After the procedure, the incision is closed and recovery begins. Patients are encouraged to start gentle movement soon after surgery, often the same day or the following morning, with the help of a physical therapist. Early exercise is important to strengthen muscles, prevent stiffness, and promote healing. With time and rehabilitation, most patients experience significant pain relief.
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