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Arthritis KneeThe implant for a total knee replacement is composed of 4 parts: the tibial and femoral components, a plastic insert, and the patella. The tibial and femoral components are made out of metal, usually cobalt-chrome, and are used to cap the ends of the femur and tibia after the arthritic bone is removed. The plastic insert is made out of ultra high molecular weight polyethylene (UHMWPE) and fits into the tibial component, such that the highly polished surface of the femur glides against the plastic. The patella component is also made of UHMWPE, and glides against the front of the femoral component. All together, the components weigh about 1 to 2 lbs. They are generally fixed to the bone with cement.
Furthermore, walking with a cane in the hand on the opposite side as the painful knee may help distribute some of the load, reducing the pain. Finally, weight loss helps decrease the force that goes across the knee joint.
Arthritis of the knee may cause periodic inflammation. This canbe due to the formation of bone spurs (osteophytes) or extra fluids in theknee. Swelling may be more pronounced after a long period of inactivity, likewhen you first wake up in the morning.
SAFETY ADVICE: Remember to always consult your doctor before taking any medication as there are some side effects and contraindications associated with certain drugs. Always discuss any new knee arthritis treatment with your doctor first to make sure it is appropriate for you.
Medications. Several types of drugs are useful in treating arthritis of the knee. Because people respond differently to medications, your doctor will work closely with you to determine the medications and dosages that are safe and effective for you.
Knee Arthritis Treatment
A total knee replacement is considered a major operation, and the decision to undergo total knee replacement is not a trivial one. People usually decide to undergo surgery when they feel they can no longer live with the pain of their arthritis.
Arthritis In Shoulder
Surgery is the final option but may be required to relieve symptoms. Arthroscopy is performed through tiny cuts where damaged parts of the knee can be removed. Osteotomy is performed to reshape the bones in the knee and is only performed if one side of the knee is damaged. Arthroplasty is a replacement surgery where an artificial joint is used.
The first line of treatment of knee arthritis includes activity modification, anti-inflammatory medication, and weight loss. Giving up activities that make the pain worse may make this condition bearable for some people. Anti-inflammatory medications such as ibuprofen, naprosyn and newer Cox-2 inhibitors help alleviate the inflammation that may be contributing to the pain.
The risks of knee arthritis surgery include but are not limited to the following: infection injury to nerves and blood vessels fracture stiffness or instability of the joint loosening or wear of the artificial parts pain and the need for additional surgeries. There are also risks with anesthesia and blood transfusion (although transfusions are not always necessary). An experienced knee replacement team that does many such procedures each month will use special techniques to minimize these risks.
Arthritis In Back
Knee X-rays are an excellent diagnostic rheumatologist tool because they clearlyshow the loss of joint space that causes sounds and poor range of motion. Thespace which is normally occupied by cartilage is worn away and exposed bone ispresent. Bone spurs develop along theedges of the joint and reflect the body’s attempt to repair itself. They’re acommon symptom of OA.
A: Most total knee replacements at Hospital for Special Surgery are performed under regional anesthesia. It is called an epidural block, which is the same kind of anesthesia given to women in labor. The epidural anesthesia provides numbness from