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Objectives: To evaluate the ankle, hindfoot, and heel changes (determined by physical examination, ultrasound and baropodometry) in patients with rheumatoid arthritis, to compare the findings with healthy subjects, and to analyze if these findings are associated with ankle pain and could affect the quality of life. Methods: We enrolled 35 rheumatoid arthritis patients and 35 healthy controls, and evaluated their ankles (tibiotalar joints, tendons), hindfeet (talonavicular, subtalar joints) and heels using clinical examination, DAS28-CRP, RAPID3 for the evaluation of functional status, quality of life in rheumatoid arthritis questionnaire, ultrasound, and baropodometry. Results: The ultrasound inter-observer agreement was good for the subtalar joint, and very good for the other structures. Flat foot was identified in 50% of feet in rheumatoid arthritis patients, with 83.8% having concomitant hindfoot valgus and less subtalar joint synovitis visible from the lateral approach (32.4% vs 55.6%, p = 0.041). The body mass index, RAPID3 and subtalar synovitis were independent predictors for the symptomatic ankle (all p |
