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Rheumatoid Arthritis


Diagnosing and treating rheumatoid arthritis requires a team effort involving the patient and several types of health care professionals. A person can go to his or her family doctor or internist or to a rheumatologist. A rheumatologist is a doctor who specializes in arthritis and other diseases of the joints, bones, and muscles. As treatment progresses, other professionals often help. These may include nurses, physical or occupational therapists, orthopaedic surgeons, psychologists, and social workers.

Studies have shown that patients who are well informed and participate actively in their own care have less pain and make fewer visits to the doctor than do other patients with rheumatoid arthritis.



Patient education and arthritis self-management programs, as well as support groups, help people to become better informed and to participate in their own care. An example of a self-management program is the Arthritis Self-Help Course offered by the Arthritis Foundation and developed at a NIAMS-supported Multipurpose Arthritis and Musculoskeletal Diseases Center. (See the Arthritis Foundation listing in “For More Information.”) Self-management programs teach about rheumatoid arthritis and its treatments, exercise and relaxation approaches, communication between patients and health care providers, and problem solving. Research on these programs has shown that they help people:

understand the disease
reduce their pain while remaining active
cope physically, emotionally, and mentally
feel greater control over the disease and build a sense of confidence in the ability to function and lead full, active, and independent lives.

Diagnosis

Rheumatoid arthritis can be difficult to diagnose in its early stages for several reasons. First, there is no single test for the disease. In addition, symptoms differ from person to person and can be more severe in some people than in others. Also, symptoms can be similar to those of other types of arthritis and joint conditions, and it may take some time for other conditions to be ruled out. Finally, the full range of symptoms develops over time, and only a few symptoms may be present in the early stages. As a result, doctors use a variety of the following tools to diagnose the disease and to rule out other conditions:

Medical history: This is the patient's description of symptoms and when and how they began. Good communication between patient and doctor is especially important here. For example, the patient's description of pain, stiffness, and joint function and how these change over time is critical to the doctor's initial assessment of the disease and how it changes over time.

Physical examination: This includes the doctor's examination of the joints, skin, reflexes, and muscle strength.

Laboratory tests: One common test is for rheumatoid factor, an antibody that is present eventually in the blood of most people with rheumatoid arthritis. (An antibody is a special protein made by the immune system that normally helps fight foreign substances in the body.) Not all people with rheumatoid arthritis test positive for rheumatoid factor, however, especially early in the disease. Also, some people test positive for rheumatoid factor, yet never develop the disease. Other common laboratory tests include a white blood cell count, a blood test for anemia, and a test of the erythrocyte sedimentation rate (often called the sed rate), which measures inflammation in the body. C-reactive protein is another common test that measures disease activity.

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