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Abstract：
Objectives: Metatarsalgia continues to be a problem in patients with rheumatoid arthritis (RA) in remission (remRA), as well as in the non-rheumatic population, with a mechanical origin. Identify and compare clinical, morphological, disability, synovitis (ultrasound), and radiological osteoarticular damage characteristics in two groups of patients with lesser-ray metar-tarsalgia, with remRA, and without RA. Methods: Cross-sectional study with 84 patients with remRA (mRA) and 60 patients without RA (nmRA). The study evaluated five clinical variables (pain, Foot Function Index (FFI), joint mobility, digital deformities, and foot type), a radiological variable (osteoarticular damage), and an ultrasound variable (metatarsal synovitis). The data were analysed using descriptive and correlational techniques. Results: There were no significant differences in sex, age, body mass index (BMI), or degree of pain. Both groups showed a high prevalence of limited joint mobility for the ankle and first metatarsal phalanx (DF1st MTPJ) and digital deformities, with no statistically significant differences. Similarly, there were no differences in lesser-ray synovitis. On the other hand, there were differences in mRA with greater disability and activity limitation (FFI), LDD (lesser-ray digital deformities) stiffness, first-ray deformities, radiological damage, synovitis in 1st MTPJ, and positive Doppler (five patients). Conclusions: Metatarsalgia presents similarities in both populations. Biomechanical factors may influence the symptoms and presence of synovitis in patients with RA in remission. Other characteristics are more frequent in mRA, which could be related to the disease; thus, future research should include both biomechanical and ultrasound exploration of the foot in the valuation of patients in remission.
摘要：
目的：在类风湿关节炎（RA）缓解期（remRA）患者中，跖骨痛仍然是一个问题，以及在非风湿性人群中，机械起源。识别和比较临床，形态学,残疾,滑膜炎（超声），和放射学骨关节损伤的特点，在两组患者的小射线下，和RemRA一起,没有RA。方法：对84例remRA（mRA）患者和60例非RA（nmRA）患者进行横断面研究。该研究评估了五个临床变量(疼痛，脚函数指数(FFI)，联合机动性，数字畸形，和脚型)，放射学变量（骨关节损伤），和超声变量（跖骨滑膜炎）。使用描述性和相关技术对数据进行分析。结果:两组性别无显著差异,年龄,体重指数（BMI），或疼痛程度。两组均显示踝关节和第一meta骨指骨（DF1stMTPJ）和数字畸形的关节活动度有限的患病率很高，差异无统计学意义。同样，小射线滑膜炎没有差异.另一方面,mRA的残疾和活动受限（FFI）较大，LDD（小射线数字畸形）刚度，第一射线畸形，放射性损伤，第一次MTPJ滑膜炎，和多普勒阳性（5例）。结论：在两个人群中，meta骨痛表现出相似性。生物力学因素可能会影响缓解期RA患者的症状和滑膜炎的存在。其他特征在mRA中更常见，这可能与疾病有关；因此，未来的研究应包括对足部的生物力学和超声检查，以评估缓解期患者。
