University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds, UK, and IIMPACT in Health, Allied Health and Human Performance, University of South Australia, Adelaide, South Australia, Australia.
University of Leeds, NIHR Leeds Biomedical Research Centre, and Leeds Community Healthcare NHS Trust, Leeds, UK.
Arthritis Care Res (Hoboken). 2023 May;75(5):1113-1122. doi: 10.1002/acr.24955. Epub 2022 Dec 2.
OBJECTIVE: To compare magnetic resonance imaging (MRI)-detected structural abnormalities in patients with symptomatic midfoot osteoarthritis (OA), patients with persistent midfoot pain, and asymptomatic controls, and to explore the association between MRI features, pain, and foot-related disability. METHODS: One hundred seven adults consisting of 50 patients with symptomatic and radiographically confirmed midfoot OA, 22 adults with persistent midfoot pain but absence of radiographic OA, and 35 asymptomatic adults underwent 3T MRI of the midfoot and clinical assessment. MRIs were read for the presence and severity of abnormalities (bone marrow lesions [BMLs], subchondral cysts, osteophytes, joint space narrowing [JSN], effusion-synovitis, tenosynovitis, and enthesopathy) using the Foot Osteoarthritis MRI Score. Pain and foot-related disability were assessed with the Manchester Foot Pain and Disability Index. RESULTS: The severity sum score of BMLs in the midfoot was greater in patients with midfoot pain and no signs of OA on radiography compared to controls (P = 0.007), with a pattern of involvement in the cuneiform-metatarsal joints similar to that in patients with midfoot OA. In univariable models, BMLs (ρ = 0.307), JSN (ρ = 0.423), and subchondral cysts (ρ = 0.302) were positively associated with pain (P < 0.01). In multivariable models, MRI abnormalities were not associated with pain and disability when adjusted for covariates. CONCLUSION: In individuals with persistent midfoot pain but no signs of OA on radiography, MRI findings suggested an underrecognized prevalence of OA, particularly in the second and third cuneiform-metatarsal joints, where BML patterns were consistent with previously recognized sites of elevated mechanical loading. Joint abnormalities were not strongly associated with pain or foot-related disability.
目的:比较有症状的中足骨关节炎(OA)患者、持续性中足疼痛患者和无症状对照者的磁共振成像(MRI)检测到的结构异常,并探讨 MRI 特征、疼痛和足部相关残疾之间的关系。 方法:107 名成年人,包括 50 名有症状和影像学证实的中足 OA 患者、22 名持续性中足疼痛但无影像学 OA 患者和 35 名无症状成年人,接受了 3T MRI 检查和临床评估。使用足部骨关节炎 MRI 评分(Foot Osteoarthritis MRI Score)评估 MRI 中异常(骨髓病变[BML]、软骨下囊肿、骨赘、关节间隙变窄[JSN]、积液-滑膜炎、腱鞘炎和腱骨病)的存在和严重程度。使用曼彻斯特足部疼痛和残疾指数(Manchester Foot Pain and Disability Index)评估疼痛和足部相关残疾。 结果:与对照组相比,影像学无 OA 迹象的中足疼痛患者的中足 BML 严重程度总和评分更高(P=0.007),其受累部位模式类似于中足 OA 患者。在单变量模型中,BMLs(ρ=0.307)、JSN(ρ=0.423)和软骨下囊肿(ρ=0.302)与疼痛呈正相关(P<0.01)。在多变量模型中,当调整协变量时,MRI 异常与疼痛和残疾无关。 结论:在影像学无 OA 迹象但持续性中足疼痛的个体中,MRI 结果表明 OA 的患病率被低估,尤其是在第二和第三楔骨-跖骨关节,BML 模式与先前公认的机械负荷增加部位一致。关节异常与疼痛或足部相关残疾无明显相关性。
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