Arthritis care & research
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Arthritis care & research · Aug 2012
Identifying generic predictors of outcome in patients presenting to primary care with nonspinal musculoskeletal pain.
To identify which generic prognostic factors, such as pain intensity, levels of disability, and psychological factors, are most strongly associated with outcome from musculoskeletal pain, regardless of the location of pain. We tested the hypothesis that pain location does not add predictive value to these generic prognostic models, and that such prognostic factors are equally important across different pain locations. ⋯ Generic factors appear to play an important role in the prognosis of acute and chronic nonspinal musculoskeletal pain, regardless of the location of pain.
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Arthritis care & research · Aug 2012
Association of herbal cannabis use with negative psychosocial parameters in patients with fibromyalgia.
Patients with chronic pain, including fibromyalgia (FM), may seek treatments outside of mainstream medicine. Medicinal cannabinoids are popularly advocated for pain relief but with limited evidence for efficacy in FM. The extent of use of cannabinoids in FM is unknown. ⋯ Cannabinoids were used by 13% of patients referred with a diagnosis of FM. The association of herbal cannabis use with negative psychosocial parameters raises questions regarding the motive for this self-medication practice. Although cannabinoids may offer some therapeutic effect, caution regarding any recommendation should be exercised pending clarification of general health and psychosocial problems, especially for those self-medicating.
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Arthritis care & research · Aug 2012
Dysregulation of the autonomic nervous system and its association with the presence and intensity of chronic widespread pain.
To test the hypotheses that dysregulation of the autonomic nervous system (ANS) is associated with the presence of chronic widespread pain (CWP), and that dysregulation of the ANS is associated with higher pain intensity in CWP. ⋯ Lower parasympathetic activity, as assessed with SDNN and RSA, is associated with higher pain intensity in subjects with CWP. This large and well-controlled study does not provide evidence for an association between dysregulation of the ANS and the presence of CWP.