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Together, these treatments keep seniors anxiety-free for a longer time than either medication or counseling alone, according to the researchers.
The investigators studied 73 people, aged 60 and older, with generalized anxiety disorder, a problem that affects about 5 percent of seniors. All the patients began the study by taking the antidepressant escitalopram (Lexapro) for three months.
After that time, the patients were randomly assigned to one of two groups. The first group simply continued taking the antidepressant for another 16 weeks, while the second group continued taking the drug but also received 16 weeks of cognitive behavioral therapy.
During cognitive behavioral therapy, patients learned about the nature of anxiety, worked on relaxation techniques, such as deep, slow breathing and progressive muscle relaxation, and were also taught problem-solving skills, the study authors explained in a Washington University School of Medicine news release.
After four months, participants were randomly divided again, with half continuing on the antidepressant for another seven months and half getting an inactive placebo. At the end of 13 months the researchers compared results.
"Those individuals who had both the drug and cognitive behavioral therapy also had a lower relapse rate, and if they did relapse, it happened later," Dr. Eric Lenze, a professor of psychiatry at Washington University School of Medicine in St. Louis, said in the news release.
Taking the antidepressant lowered anxiety levels, but the improvement was much greater in patients who also received cognitive behavioral therapy, according to the study, published online recently in the American Journal of Psychiatry.
However, not all older adults benefit from cognitive behavioral therapy, Lenze said.
"Antidepressant medication and cognitive behavioral therapy appear to work well in combination, but if an older adult has begun to develop dementia related to Alzheimer's disease or some other illness, it appears even small amounts of cognitive impairment from those disorders can interfere with the benefits this combination of therapies provides," Lenze explained.
-- Robert Preidt
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