įMS is much better understood now than ever before. Apart from its high prevalence, FMS entails a high cost for the social and health system, since patients with FMS attend more consultations-both at the level of general medicine and specialized cohort in pain medicine and psychology-and are subjected to more prescriptions and neuroimaging and laboratory tests than the rest of the population. The prevalence is 10 times higher in women than in men, partially due to a gender bias in the diagnosis. FMS affects between 2.5 and 5% of the worldwide population. The 2010 ARC criteria, unlike the former criteria, have excluded the tender point count, being more focused on patient-reported somatic symptoms and cognitive difficulties such as memory and attentional impairments. The current diagnosis is based on the 2010 American Rheumatology Criteria (ARC). Introductionįibromyalgia syndrome (FMS) is a chronic musculoskeletal pain condition characterized by widespread pain, sleep problems (i.e., insomnia and unrefreshing sleep), fatigue, cognitive, and emotional difficulties.
Treatment goals directed to lessen depression and pain catastrophizing levels should be promoted to reduce the impact of pain in FMS patients’ daily function.
Findings support a key role of pain catastrophizing and depression in the disability associated to pain in FMS. Both, pain catastrophizing and depression were important factors mediating the association between clinical pain (total and intensity) and FMS functional capacity. Regression analyses confirmed a greater prediction for FMS functional capacity by depression, fatigue, and pain catastrophizing, in this sequence. FMS functional capacity was positively associated with the majority of FMS symptoms except state anxiety. 115 women diagnoses with FMS completed a set of self-administered questionnaires to evaluate the clinical and psychological variables of the study. Therefore, the present study is aimed at assessing the associations between FMS functional capacity, FMS symptoms (pain, fatigue, insomnia, depression, and state and trait anxiety), and associated psychological factors such as pain catastrophizing, as well as the possible mediating role of these latter in the relationship between pain and FMS functional capacity.
Nonetheless, the relationship between these factors and functional limitations in FMS patients is considered to be complex and not clearly defined.
Although pain has been proposed the factor mostly impacting in the FMS patients’ function, emotional and psychological FMS-associated factors are also known to exert a negative impact in quality of life and functional capacity. Fibromyalgia syndrome (FMS) is a chronic musculoskeletal pain condition characterized by widespread pain, sleep problems (i.e., insomnia and unrefreshing sleep), fatigue, cognitive, and emotional difficulties.
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