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SAN DIEGO -- Depression may be a risk factor for the onset of chronic pain, say investigators at the University of Iowa.
Two-thirds of 252 chronic pain patients who responded to a questionnaire had been diagnosed with depression, and in 68% of those patients the depression came first, Prodosh Sen-Gupta reported in a poster session at the 10th World Congress on Pain. However, he and his associates also found that 34% of patients who had not been diagnosed with depression nevertheless had a Beck Depression Inventory score of 8 or more.
"Most patients with chronic pain are depressed, and most of the depressed patients had onset of depression before the onset of chronic pain," said Mr. Sen-Gupta, a medical student in the department of anesthesiology at the university in Iowa City. "The temporal relationship between depression and chronic pain suggests a causal ...
Source: HighBeam Research, Depression often precedes chronic pain. (Cross-Sectional Study).