• R S Roth, K Horowitz, and J E Bachman.
• Department of Anesthesiology, University of Michigan Medical Center, Ann Arbor 48109, USA.
• Arch Phys Med Rehabil. 1998 Aug 1;79(8):966-70.

ObjectiveTo examine the relation between pain patients' knowledge of pain diagnosis and their satisfaction with pain treatment. It was hypothesized that myofascial pain (MP) patients would be less knowledgeable regarding their diagnosis and less satisfied with the results of pain treatment.DesignCross-sectional.SettingMultidisciplinary pain clinic.PatientsPatients (n=65) were divided into two groups after multidisciplinary assessment: MP patients (n=30) and a mixed group of chronic pain patients (MCP) (n=35) with neurologic or rheumatologic disorders.Main Outcome MeasuresPatient self-report of their knowledge of pain diagnosis and scores on standardized measures of pain intensity, depressive symptoms, and functional disability.ResultsMP patients were significantly less accurate in identifying their diagnosis and the source of their pain and were more likely to believe they suffered a physiologic disturbance "more serious and different" than their physicians had suggested. MP patients were also significantly more dissatisfied with the treatment for pain by physicians and reported particular dissatisfaction with the informational aspects of physician-patient communication. No group differences were obtained for measures of pain severity, depression, disability, pain duration, or compensation/litigation status.ConclusionMP patients appear to have less accurate beliefs regarding their pain symptoms and express more dissatisfaction with physician efforts to treat their pain. These findings emphasize the importance of patient education as a component of chronic pain intervention, particularly for MP patients.

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