Clin Exp Rheumatol
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Comparative Study
Patient and spouse appraisals of health status in rheumatoid arthritis and fibromyalgia: discrepancies and associations with invalidation.
The health problems of patients with rheumatoid arthritis and fibromyalgia are mostly invisible to others, which can lead to a discrepancy between patients' and spouses' appraisals of the severity of the health problems. As a consequence, some patients may feel 'invalidation' from their spouse, such as not being understood and believed. Aim of this study was to compare patients' and spouses' appraisals of the health status of patients with rheumatoid arthritis and patients with fibromyalgia, and to examine whether discrepancies in these appraisals are associated with invalidation experiences of the patient. ⋯ The invisibility of health problems in fibromyalgia and rheumatoid arthritis is not accompanied by large patient-spouse discrepancies of health status appraisals, which suggests that invalidation by spouses is not dependent on observable evidence such as clinical signs of damage or pathology.
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To investigate the usefulness of tenderness (tender points count (TPC) and algometer score) to characterise fibromyalgia (FM) severity and symptomatology in women. ⋯ Widespread pain and pain hypersensitivity, as measured by TPC and algometer score, do not seem to be useful to characterise FM severity and symptomatology (measured by FIQ) in women.
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Studies have shown an increased incidence of fibromyalgia (FMS) in RA patients. The aims of this study were to explore the effect of mood and disease damage on the prevalence of FMS. ⋯ Coexistent FMS was common in our cohort, although using the tender point count to define FMS classified fewer patients with FMS. Within this group those with FMS had higher levels of depression but similar scores for joint damage indicating that in this cohort FMS and poorer physical functioning is mediated by low mood rather than joint damage.
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Comparative Study
Sleep quality in fibromyalgia and rheumatoid arthritis: associations with pain, fatigue, depression, and disease activity.
The aim of this study was to compare the sleep quality in patients with rheumatoid arthritis (RA) and fibromyalgia syndrome (FMS); and to evaluate the relationship between sleep quality and pain, fatigue, depression, and disease activity in patients with RA and FMS. ⋯ FMS and RA may have poor sleep quality when compared to subjects without rheumatologic disorders. The quality of sleep can be impaired by pain, fatigue, depression, and disease activity in such patients.
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Randomized Controlled Trial
The influence of methotrexate on the gene expression of the pro-inflammatory cytokine IL-12A in the therapy of rheumatoid arthritis.
Methotrexate (MTX) is a cornerstone in the treatment of rheumatoid arthritis (RA). Among its anti-proliferative activity, the anti-inflammatory mechanisms of MTX seem to play a major role in the treatment of RA. MTX reduces the production of pro-inflammatory cytokines such as interleukin (IL)-1, IL-2, IL-6 and interferon (INF)-γ, while the gene expression of anti-inflammatory Th2 cytokines like IL-4 and IL-10 is increased - altogether resulting in the anti-inflammatory effect. As little is known about the impact of MTX on other cytokines involved in the pathogenesis of RA, the present trial investigated the effect of MTX on IL-12A and IL-18 gene expression by peripheral blood mononuclear cells (PBMCs). For comparison, the effect on IL-6 and tumour necrosis factor (TNF) was analysed. ⋯ We describe a novel effect of MTX reducing the gene expression of IL-12A independently of corticosteroid application in patients. This impact was further enhanced by a reduction of IL-12A-producing lymphocytes and neutrophils under MTX treatment. These results expand the understanding of the mechanism of action of the most widely used drug in RA.