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Objective: To evaluate the prevalence and factors associated with the neuropathic pain features in a cohort of patients with psoriatic arthritis (PsA).Methods: A cross-sectional evaluation was conducted in consecutive patients having PsA with prevalent peripheral joint involvement, referred to 3 rheumatological centers. For each patient, a comprehensive assessment of disease activity, physical function, and disease effect was carried out. The presence of comorbid fibromyalgia syndrome (FMS) was evaluated. Acute-phase reactants were also recorded. The neuropathic pain features were investigated through the PainDETECT Questionnaire (PDQ). A logistic regression analysis was therefore conducted using the PDQ as the dependent variable.Results: The final evaluation included 118 patients. A comorbid FMS was detectable in 30 of the 118 patients with PsA (25.4%). Probable characteristics of neuropathic pain (PDQ ≥ 19) were found in 30 (25.4%) patients overall, ambiguous (PDQ > 12 and < 19) in 21 (17.8%) patients, and unlikely (PDQ ≤ 12) in 67 (56.8%) patients. Using logistic regression analysis, the only independent variable among those investigated that could explain the neuropathic pain features was the presence of a comorbid FMS (p = 0.0127). Excluding patients with comorbid FMS, an association with disability (measured by Health Assessment Questionnaire-Disability Index) emerges (p = 0.0489). In patients with PsA and comorbid FMS, PDQ scores were significantly higher than in patients without comorbid FMS.Conclusion: Neuropathic pain features are common in patients with PsA, and the presence of pain sensitization (comorbid FMS) seems to be its main predictor. [ABSTRACT FROM AUTHOR]

Psoriatic arthritis (PsA) is a chronic inflammatory autoimmune arthritis, occurring in patients with psoriasis (Pso), that may affect the whole musculoskeletal system but also nails, eye, and gastrointestinal tract. Dermatologists and rheumatologists usually manage Pso and PsA separately, but early diagnosis and integrated management could achieve better outcomes of both skin and musculoskeletal manifestations, thus improving the health-related quality of life (HRQoL) of patients. In this work, we have described a model of integrated dermo-rheumatologic approach for the early diagnosis of PsA and to present the outcomes of the multidisciplinary management of PsA patients after 48 weeks of follow-up. Pso patients complaining musculoskeletal symptoms were enrolled in a DErmo-Rheumatologic Clinic (DERC) in order to screen, classify, and treat patients with PsA, employing an operative working procedure and a specific flowchart. The integrated dermatologic and rheumatologic management of PsA patients allowed a prompt establishment of the diagnosis and the best therapeutic approach in these patients, with a significant improvement of skin and articular diseases and, eventually, a consistent amelioration of HRQoL. Dermatologists and rheumatologists usually manage the “psoriatic disease” in separated outpatient clinics. In our study, we have demonstrated that a combined DERC, by means of a tight cooperation between the dermatologist and the rheumatologist, which use a specific working procedure and treatment flowchart, may achieve the optimal clinical management of these patients, with a consistent clinical remission of the disease and a significant amelioration of the HRQoL. [ABSTRACT FROM AUTHOR]