目的探讨抗突变型瓜氨酸波形蛋白（MCV）抗体对类风湿关节炎（RA）患者1年关节影像学进展的预测价值。
方法选2014年11月至2018年7月中山大学孙逸仙纪念医院风湿免疫科门诊和住院的RA患者，收集患者的临床资料，包括基于C反应蛋白的28个关节疾病活动度评分（DAS28-CRP）等。检测患者抗MCV抗体等。随访1年，采用改良Sharp评分总分（mTSS）进行影像学评估。采用单因素或多因素logistic回归分析1年影像学进展的危险因素。
结果共入选220例RA患者，其中171例（77.7%）患者抗MCV抗体阳性。与抗MCV抗体阴性者比，阳性者DAS28-CRP［3.8 （2.4， 5.0） 比 3.1 （2.1， 4.0）， P=0.007］、出现功能障碍的比例［37例（21.6%） 比 4例（8.2%）， P=0.033］、mTSS［11 （2， 27）分 比 4 （1， 10）分， P=0.005］、关节间隙狭窄评分［4 （0， 14）分 比 2 （0， 6）分， P=0.024］、关节侵蚀评分［5 （1， 18）分 比 3 （0， 5）分， P=0.003］均明显升高。随访1年后，66例（30.0%）RA患者出现关节影像学进展，基线抗MCV抗体阳性者出现影像学进展的比例明显高于阴性者［58例（33.9%）比 8例（16.3%）， P=0.018］。多因素logistic回归分析显示，基线抗MCV抗体阳性（ OR=2.341， 95% CI 1.002~5.469， P=0.049）是1年关节影像学进展的独立危险因素。
结论基线抗MCV抗体阳性是RA患者1年关节影像学进展的预测因素，未来其不仅能作为RA诊断的补充指标，亦可用于RA病情评估及预测预后。
ObjectiveTo investigate the value of baseline anti-mutated citrullinated vimentin (MCV) antibody for predicting one-year radiographic progression in patients with rheumatoid arthritis (RA).
MethodsConsecutive RA patients were recruited from November 2014 to July 2018 at Department of Rheumatology, Sun Yat-sen Memorial Hospital, Clinical data were collected including disease activity score in 28 joints with four variables including C-reactive protein (CRP).Serum anti-MCV antibody at baseline was detected by enzyme-linked immunosorbent assay. X ray assessment of both hands/wrists was performed and assessed according to the Sharp/van der Heijde modified score (mTSS) at baseline and the 12th month. Univariate and multivariate logistic regression analyses were used to identify the risk factors for one-year radiographic progression.
ResultsAmong 220 RA patients recruited, the positive rate of anti-MCV antibody at baseline was 77.7%. Compared with those with negative anti-MCV antibody, RA patients with positive anti-MCV antibody had higher disease activity score in 28 joints with four variables induding CRP [3.8 (2.4, 5.0) vs. 3.1 (2.1, 4.0), P=0.007], more physical dysfunction (21.6% vs. 8.2%, P=0.033) and higher radiographic indicators including mTSS [11 (2, 27) vs. 4 (1, 10), P=0.003], joint space narrowing [JSN, 4 (0, 14) vs. 2 (0, 6), P=0.024] and joint erosion[JE, 5 (1, 18)vs. 3 (0, 5), P=0.003]. After one-year follow-up, sixty-six RA patients (30.0%) developed radiographic progression, the percentage of whom was significantly higher in positive anti-MCV group than that in negative anti-MCV group (33.9% vs.16.3%, P=0.018). Multivariate logistic regression analysis suggested that positive anti-MCV antibody at baseline was an independent risk factor for one-year radiographic progression ( OR=2.341, 95% CI 1.002-5.469).
ConclusionPositive anti-MCV antibody at baseline predicts one-year radiographic progression in RA patients. In the future, anti-MCV antibody can be used not only as a supplementary laboratory marker, but also in disease activity assessment and prognosis prediction for RA.
陈楚涛,张学培,杨莉娟,等. 抗突变型瓜氨酸波形蛋白抗体对类风湿关节炎患者一年关节影像学进展的预测价值[J]. 中华内科杂志,2021,60(02)：128-133.
DOI:10.3760/cma.j.cn112138-20200318-00261版权归中华医学会所有。
未经授权，不得转载、摘编本刊文章，不得使用本刊的版式设计。
除非特别声明，本刊刊出的所有文章不代表中华医学会和本刊编委会的观点。
陈楚涛, 张学培, 杨莉娟, 等. 抗突变型瓜氨酸波形蛋白抗体对类风湿关节炎患者一年关节影像学进展的预测价值[J]. 中华内科杂志, 2021, 60(2): 128-133. DOI: 10.3760/cma.j.cn112138-20200318-00261.
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