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Aching joints are common in arthritis. In rheumatoid arthritis, the joint lining swells, invades surrounding tissues, and produces chemical substances that attack and destroy the joint surface.
People of all ages may be affected. The disease usually begins in middle age.
Rheumatoid arthritis usually affects joints on both sides of the body in the hands and feet, as well as the hips, knees, and elbows. Without proper treatment, rheumatoid arthritis can become a chronic, disabling condition.
Ligaments and joint capsules become less effective supporting structures. Erosion of the articular cartilage, together with ligamentous changes, result in deformity and contractures. As the disease progresses, pain and deformity increase.
Pain, morning stiffness, swelling, and systemic symptoms are common. Other rheumatoid symptoms include:
- Swelling, pain, and stiffness in the joint, even when it is not being used
- A feeling of warmth around the joint
- Deformities and contractures of the joint
- Symptoms throughout the body, such as fever, loss of appetite and decreased energy
- Weakness due to a low red blood cell count (anemia)
- Nodules, or lumps, particularly around the elbow
- Foot pain, bunions, and hammer toes with long-standing disease
Patients with severe rheumatoid arthritis typically have multiple affected joints in the hands, arms, legs, and feet. Joints of the cervical spine may be involved as well.
Rheumatoid arthritis is diagnosed using a medical history and a physical examination. Some of the conditions the doctor looks for include swelling and warmth around the joint, painful motion, lumps under the skin, joint deformities, and joint contractures (inability to fully stretch or bend the joint).
A blood test may reveal an antibody called rheumatoid factor. This is an indicator of rheumatoid arthritis. X-rays can help show the progression of the disease.
The American College of Rheumatology requires at least four of the following seven criteria to confirm the diagnosis:
- Morning stiffness around the joint that lasts at least 1 hour
- Arthritis of three or more joints for at least 6 weeks
- Arthritis of hand joints for at least 6 weeks
- Arthritis on both sides of the body for at least 6 weeks
- Rheumatoid nodules under the skin
- Rheumatoid factor present in blood testing
- Evidence of rheumatoid arthritis on X-rays
Although there is no cure for rheumatoid arthritis, there are a number of treatment options that can help relieve joint pain and improve functioning. The treatment plan is tailored to the patient's needs and lifestyle. Rheumatoid arthritis is often treated by a team of health care professionals. These professionals may include rheumatologists, physical and occupational therapists, social workers, rehabilitation specialists, and orthopaedic surgeons.
Medications used to control rheumatoid arthritis fall into two categories: those that relieve symptoms and those that have the potential to modify the course of the disease. Often, they are used together. Aspirin and ibuprofen can help reduce the pain and inflammation of rheumatoid arthritis. Disease-modifying drugs include methotrexate and sulfasalazine and gold injections.
Researchers are also working on biologic agents that can interrupt the progress of the disease. These agents target specific chemicals in the body to prevent them from acting on the joints.
Exercise and Therapy
Joint replacement surgery is also an option and is often effective in restoring function.
The American Academy of Orthopaedic Surgeons
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