Tuesday, May 31, 2005

Depression unrelated to level of fibromyalgia pain

Health News Article | Reuters.com: "Individuals with depression often suffer from chronic physical pain and chronic pain sufferers are often depressed. A new study shows that both conditions should be tackled separately and independently from each other...

To investigate, they studied 53 patients with fibromyalgia, a condition characterized by widespread pain and tenderness to the touch, which is often accompanied by depression. They also studied 42 healthy controls.

Based on results of brain imaging studies and a thumbnail pressure test, the researchers found that fibromyalgia patients needed much less applied pressure to the thumbnail than healthy controls to activate neurons associated with acute pain. This heightened sensitivity to pain applied to fibromyalgia patients, regardless of whether or not they were depressed.

Additionally, according to the researchers, there was only a weak link between sensory regions of the brain associated with pain and emotional regions of the brain associated with depression.

While depression and pain often occur concurrently, that does not mean they're the same underlying problem and can be managed in the same way, Clauw said. Therefore, prescribing an antidepressant will not necessarily relieve the suffering of a depressed patient whose pain is not only real but also intensely physical, he and colleagues note."

2 comments:

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