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TUESDAY, June 29 (HealthDayNews) -- Older people would rather be safe than sorry when it comes to treating their arthritic knees, even when safe may also mean ineffective.
A variety of medications are available to relieve pain caused by osteoarthritis, but each varies in its helpfulness and potential side effects.
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Results of a new study find older patients with knee osteoarthritis often choose treatments that have fewer side effects rather than ones that may work better.
According to the report, knee osteoarthritis is a major cause of disability in older people. Treatment to improve knee function includes surgery, weight loss, muscle-strengthening exercises and joint protection techniques.
There are also drugs that can decrease pain. These vary greatly in cost and risk of side effects. In their report, Yale University researchers looked at these medication options.
"We were interested in what patients' treatment preferences were for knee osteoarthritis," said lead researcher Dr. Liana Fraenkel, an assistant professor of internal medicine and rheumatology.
Fraenkel and her colleagues wanted to know if patients were informed of all the available alternatives, and if they were, what they would choose given the tradeoffs between the risks and benefits of each of the treatments.
"We looked at a range of things from very safe creams to pills, all having various toxicity profiles," Fraenkel said. "You could have a cream that was very safe but didn't work as well, and you could have pills that were somewhere in the middle and pills that worked better but had more side effects."
The research team interviewed 100 patients with knee osteoarthritis. The patients were an average of 70 years of age, according to the report in the June 28 issue of the Archives of Internal Medicine.
"Surprisingly, patients strongly preferred safer alternatives even when they were less effective," Fraenkel said. "That's really against what many doctors prescribe for the treatment of pain, and even what guidelines say."
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