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Women Under 50 With RA at Higher Fracture Risk

Study Shows Younger Women With Rheumatoid Arthritis Are More Likely to Break a Bone
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WebMD Health News
Reviewed by Louise Chang, MD

Nov. 11, 2011 (Chicago) -- Women under 50 with rheumatoid arthritis (RA) are more than twice as likely to break a bone as those without the condition, a large study shows.

While it’s known that rheumatoid arthritis is associated with a higher rate of fractures in older men and women, "there is an increased risk even before a woman turns 50," says study leader Shreyasee Amin, MD, associate professor of rheumatology at the Mayo Clinic in Rochester, Minn.

Younger patients, too, need to take steps to prevent broken bones, such as not smoking, getting adequate calcium and vitamin D, and being physically active, she tells WebMD.

Women under 50 with RA face a two in 100 chance of fracturing a bone vs. one in 100 for younger women without the condition, the study showed.

"This is a very important study," says Joanne Jordan, MD, MPH, director of the Thurston Arthritis Research Center at the University of North Carolina at Chapel Hill. She was not involved with the work.

"When women are diagnosed with rheumatoid arthritis at a young age, fractures are not high on the list of worries. We’re worried about controlling symptoms," she says.

"It's not uncommon for young women to be put on steroids, which, while an effective treatment, can increase the risk of fracture," Jordan tells WebMD.

The findings were presented at the annual meeting of the American College of Rheumatology.

Women Twice as Likely to Have RA

About 1.5 million Americans have RA, and the condition affects twice as many women as men. It usually develops in middle age, but some people start experiencing symptoms in their 20s, or even earlier.

In rheumatoid arthritis, the immune system inappropriately attacks the body's own tissues, causing inflammation, predominantly in the joints. This, in turn, can cause pain and stiffness and lead to permanent joint damage.

Amin and colleagues analyzed the medical records of 1,171 people who were diagnosed with RA between 1955 and 2007; nearly one-third were men. Their fracture rates were compared with a similar number of men and women of the same ages without RA.

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