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Objective: The present study aimed to determine the relationship between the serum hepcidin level and disease activity in patients with rheumatoid arthritis (RA). Methods: This study was conducted on 80 patients with RA (36 cases with anemia of chronic disease [ACD] and 44 patients without ACD). Disease activity was measured by the 28-joint Disease Activity Score based on the erythrocyte sedimentation rate (DAS28-ESR). According to the DAS28-ESR score, 52 and 28 cases were categorized as inactive to moderately active RA (DAS28-ESR=5.1) and highly active RA (DAS28-ESR>5.1), respectively. In addition, the serum hepcidin level was evaluated in all patients to determine its correlation with the DAS28-ESR score. Results: There was no significant difference between the RA with ACD and RA without ACD groups in terms of the median (interquartile range) hepcidin level (1207 [985.2] vs. 923.8 [677.3] ng/mL; P=0.57). Likewise, no significant difference was observed between the active RA and inactive to moderately active RA groups in this regard (1131.8 [991.3] vs. 1090.9 [631.4] ng/mL; P=0.53). Conclusion: Hepcidin has no association with disease activity in RA. Therefore, it is not necessary to measure hepcidin to determine the RA activity. [ABSTRACT FROM AUTHOR]

Aim and Objective To evaluate the association between ultrasonographic findings of inflammation (effusion, synovitis) and clinical findings in patients with primary painful knee osteoarthritis. Method This cross-sectional study was performed on 142 patients with primary painful knee osteoarthritis (American College of Rheumatology criteria) in whom the visual analogue scale of pain was 30 or more. Clinical parameters were evaluated by a rheumatologist using Western Ontario and McMaster Universities Osteoarthritis Index ( WOMAC) score while the ultrasonographic examination was performed by a musculoskeletal radiologist in our center. Knee joint synovitis and effusion were defined as synovial thickness ≥ 4 mm and depth of fluid in the suprapatellar recess ≥ 4 mm, respectively. Results Sixty-eight (47.9%) patients demonstrated neither synovitis nor effusion, 37 (26.1%) had only effusion, 11 (7.7%) had only synovitis and 26 (18.3%) had both effusion and synovitis in the ultrasonographic examination. There was significant association between ultrasonographic knee arthritis (defined as presence of synovitis or effusion) and WOMAC pain sub-score, WOMAC physical function sub-score and WOMAC total score. No significant association was noted between sonographic signs of arthritis and WOMAC joint stiffness sub-score. We also found significant correlation between ultrasonographic synovitis and WOMAC pain sub-score ( P < 0.001), WOMAC physical function sub-score ( P < 0.001) and total WOMAC score ( P < 0.001). Conclusion This study revealed a positive correlation between ultrasonographic synovitis and total WOMAC score, WOMAC pain and physical function sub-score. There was no association between sonographic signs of arthritis and WOMAC joint stiffness sub-score. [ABSTRACT FROM AUTHOR]