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The knee carries much of your body weight and helps you walk, stand, and move through daily life. The joint can wear down over time from age, injury, or certain health conditions. When pain and stiffness make movement difficult, a doctor may suggest knee replacement surgery as one option. Learning about this procedure can help you understand your choices, and this prepares you for a conversation with a medical professional.
What Is Knee Replacement?
Knee replacement is a surgery that replaces a damaged knee joint with an artificial one. The artificial part is often called an implant, and it is usually made from metal and a smooth plastic material. These parts are designed to copy the natural movement of a healthy knee. There are two main types of knee replacement. For a total knee replacement, the surgeon replaces the entire knee joint. For a partial knee replacement, the surgeon replaces only the damaged part of the knee, and the healthy parts are left in place.
During the surgery, the doctor removes the worn or damaged surfaces of the bones that meet at the knee. They then attach the new artificial parts. The aim is to create a joint that moves smoothly and supports your weight again. A surgeon decides which type may suit a patient based on the level of damage, age, activity level, and overall health. Each person’s situation is different, so the approach is planned to match individual needs.
What Is It For?
Knee replacement is often explored when other treatments no longer bring relief. When these non-surgical steps stop working, surgery may become a topic for discussion. The surgery is meant to reduce pain and improve how the knee functions, and common reasons a doctor will talk about knee replacement include:
- Osteoarthritis: This is a condition where the cushioning in the joint wears away over time.
- Rheumatoid Arthritis: This is a condition where the body’s immune system affects the joints.
- Injury: A serious knee injury can damage the joint and lead to long-term problems.
People who have the procedure may find it easier to perform everyday tasks afterward. A surgeon can explain the possible benefits and risks based on your health history.
What Should You Expect?
Knowing what happens before, during, and after surgery may help you prepare. The process usually has several stages. Before surgery, your medical team will review your health. You may have tests, such as blood work or imaging scans. The doctor will explain how to get ready, and this can include changes to your medicine or daily habits.
During surgery, you will receive medicine so you do not feel pain. The procedure often takes one to two hours. After surgery, you will spend time in recovery. Some people stay in the hospital for a short period, and others may go home the same day. Recovery often includes:
- Managing pain with the help of your care team
- Engaging in physical therapy to rebuild strength and movement
- Using a walker or crutches at first
- Attending follow-up visits to check on healing
Full recovery can take several weeks or months. Following your care team’s guidance during this period supports a smoother return to activity.
Consult a Joint Replacement Surgeon
A joint replacement surgeon can examine your knee, review your medical history, and explain the options that fit your needs. They may also answer questions about recovery and what results you should expect. If knee pain affects your daily life, speak with a medical professional. A surgeon can guide you toward the right next step, and that includes whether that treatment is surgery or another form of care.
