The purpose of this tool is to help you decide whether total knee replacement is right for you. When making a decision like this, you must balance:
This tool is not a substitute for professional medical care and advice. Work with your doctor to help you make this decision. A second opinion from another doctor may be valuable. Surgery always carries risks, and you should be fully informed about the risks and benefits of this type of surgery. You should also be aware that research evidence is often limited, and the risks of surgery may not be completely understood. For this type of surgery, there is usually no exact "right" or "wrong" answer.
Your physician may make certain recommendations to you. However, the final decision about whether to have the surgery rests with you.
What is the surgery?
Knee joint replacement surgery replaces diseased or damaged surfaces in the knee. The new surfaces are typically made of metal and plastic. The procedure is usually performed to treat arthritis and knee pain.
The operation is performed under general anesthesia. You will be unconscious and pain-free. The surgeon makes a cut over the front of the knee. The diseased areas of the thigh bone and shin bone are removed. In a total knee replacement, the end of the thigh bone is replaced with a metal cap, the end of the shin bone is replaced with metal covered with a piece of plastic, and the undersurface of the kneecap is replaced with plastic.
The cut is usually closed with staples. After the surgery, you can usually start walking the next day. Full recovery takes 6 weeks to 3 months.
Sometimes, the surgeon can perform a partial knee replacement. This surgery removes less surface area and involves a smaller incision. This "minimally invasive" approach may allow for a faster, less painful recovery than standard total knee replacement. Risks may be higher, however, due to the procedure's higher degree of difficulty.
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