Restless legs syndrome may cause heart problems
Updated: 2008-01-03 22:25
TUESDAY -- People with restless legs syndrome face twice the risk of a stroke or heart disease compared to people who don't have the neurological condition, a new study suggests.
The risk is greatest in people with the most frequent and the most severe symptoms of restless legs syndrome.
"This shows that restless legs syndrome has salience beyond just symptoms," said Dr. David Rye, a professor of neurology at Emory University School of Medicine in Atlanta. "It's really saying, this disorder is salient, you need to recognize it."
Other experts added a cautionary note to the study's findings.
"This study is very well done, and the conclusions of the study are very measured. In other words, the authors acknowledge that they can't prove that what they're studying actually causes strokes or heart attacks," said Dr. Paul Greene, associate attending physician in the department of neurology at New York-Presbyterian Hospital/Columbia University Medical Center in New York City. "They also could have picked up people with other syndromes, neuropathies and things that could influence strokes and heart attacks. There are a lot of ways in which this study could be misleading.
"They will have to do something to follow up on this before pushing a panic button," he added.
Neither physician was involved with the study, which was conducted by researchers from Harvard and other institutions, and is published in the Jan. 1 issue of the journal Neurology.
Restless legs syndrome (RLS) is a neurological disorder characterized by restlessness and a need to move the legs. Symptoms start or become worse when you are resting. The symptoms occur mainly at night and can interfere with sleep. Some 5 percent to 10 percent of the adult population suffers from the syndrome, according to the study.
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