"Restless legs syndrome arising after surgery probably has more to do with the surgery itself or with the forced immobilization in the hospital," Crozier said. "We think that it is important for people suffering from restless legs syndrome to know that there is, at worst, only a very small likelihood that spinal anesthesia, which is the best choice for a number of surgical procedures, will worsen their condition," he added.
Awada called the new study's findings "interesting," but said more research should be done to definitively rule out a relationship between spinal anesthesia and restless legs syndrome.
Another recent finding -- this one presented at the Neuroscience 2008 meeting in Washington, D.C., on Nov. 16 -- linked restless legs syndrome with the use of allergy medications.
More information
To learn more about restless legs syndrome, visit the U.S. National Institute of Neurological Disorders and Stroke.
SOURCES: Thomas A. Crozier, M.D., Ph.D., associate professor of anesthesiology, department of anesthesiology, emergency and intensive care medicine, University of Gottingen Medical School, Germany; Sam Awada, M.D., chief of family medicine, St. John Macomb-Oakland Hospital, Warren, Mich.; Nov. 20, 2008, New England Journal of Medicine
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