The Basics of Rheumatoid Arthritis

According to the Arthritis Foundation, an estimated 67cartilage, and swelling and inflammation in the joint lining.
million Americans will have some form of arthritis byInflammation within the joint lining causes it to produce
2030. Arthritis is a general term that refers to aexcessive joint fluid within the joint.
condition that causes inflammation in a joint, which isWith the wearing down of cartilage, bones can begin
characterized by redness, warmth, swelling, and painto rub against one another. As the joint lining expands,
within the joint.it can invade or erode into adjacent bone causing
Specifically, rheumatoid arthritis is a type of chronicbone damage. This also causes the joints to become
arthritis that normally occurs in joints on both sides ofpainful and warm to the touch.
the body, such as hands, wrists, or knees. ThePhysicians diagnose rheumatoid arthritis based on a
symmetry of this condition helps to distinguish it fromnumber of factors including:
other types of arthritis. In addition to affecting the joints,1. The specific location and symmetry of painful joints,
rheumatoid arthritis may also affect the skin, eyes,especially in the hands.
lungs, heart, blood, or nerves.2. The presence of joint stiffness in the morning.
The most common symptoms of rheumatoid arthritis3. The presence of bumps and nodules under the skin
include joint pain and swelling, stiffness, especially in the4. Results of x-ray tests that suggest rheumatoid
morning or after sitting for long periods, and fatigue.arthritis.
Affecting about 1 percent of the U.S. population, most5. Positive results of a blood test called the rheumatoid
people experience joint symptoms which developfactor.
gradually over several years. However, for someRecent major studies have indicated the dramatic
rheumatoid arthritis can progress rapidly, or it maybenefits of early treatment with rheumatoid arthritis
strike for a limited period of time and then enter amedication. Early intensive treatment with a
period of remission. Rheumatoid arthritis is two to threecombination of medications offers a chance of
times more common in women than in men, but menremission. In comparison to 20 years ago, studies
tend to be more severely affected by the disease.show that those who have been diagnosed with
The exact cause of rheumatoid arthritis is unknown.rheumatoid arthritis today are receiving more
However, it is believed to be due to a combination ofaggressive treatment, and require fewer joint
genetic, environmental, and hormonal factors. In patientsreplacement surgeries than their predecessors.
with rheumatoid arthritis, the immune system is"When you begin these treatments early on," said Eric
triggered to attack the joints and sometimes theMatteson, rheumatologist MD, Mayo Clinic, "you are
organs. Theories have suggested that a virus orless likely to develop erosive disease in the joints, and
bacteria may alter the immune system, causing it toless likely to develop other related conditions such as
attack the joints. While research has not been able tolung disease, vasculitis, and pericarditis, all of which are
determine exactly what role genetics play, somemajor contributors to early mortality in people with
patients do seem to have a genetic or inherited factorrheumatoid arthritis."
that increases their chances of developing rheumatoidHowever, plenty of data also suggests that even a
arthritis.late diagnosis and treatment of rheumatoid arthritis can
Once the immune system is triggered, a patient withbe effective. It's never too early, and never too late,"
rheumatoid arthritis begins to produce inflammatorysaid Theodore Fields, MD, FACP, clinical director of the
substances within his or her joints. An increase in theGosden-Robinson Early Arthritis Center at New York's
number of cells and the inflammatory substancesHospital for Special Surgery. "There's plenty of data
within the joints cause irritation, a wearing down of thethat even treating late does help.