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抗环瓜氨酸肽等四种抗体联合检测在早期类风湿关节炎诊断中的研究

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摘要 目的探讨抗环瓜氨酸肽(CCP)抗体、抗角蛋白杭体(AKA)、抗核周因子(APF)和抗Sa抗体在类风湿关节炎(RA)早期诊断的临床价值,并分析其临床相关因素。方法对542例RA患者随访1年,采用间接法酶联免疫吸附实验(ELISA)检测抗CCP抗体、AKA抗体,间接免疫荧光法(IIF)检测APF与Sa,魏氏法测定红细胞沉降率(ESR),记录患者的晨僵时间、关节肿胀数、关节压痛数、不同关节受累及DAS28评分。结果 4种抗体均阳性的早期RA为99%;任2种及2种以上抗体阳性的早期RA敏感性为83.0%,特异性为65.9%;Sa抗体/抗CCP抗体阳性的患者诊断为早期RA的敏感性77.8%,特异性80.5%;抗体均阳性和任1.2.3种抗体阳性及4种抗体全阳性患者的多关节肿胀及多个小关节受累的比率分别为48%、57%5、9%、70%7、0%和71%、71%7、2%7、6%、82%,抗体均阳性的患者中肘关节受累比例最大,占72%;关节肿胀及多个小关节受累在早期类风湿关节炎中占比例最大。结论 4种抗体联合检测可提高RA早期诊断的特异性。
作者 陈宜恒
出处 《菏泽医学专科学校学报》 2010年第1期5-7,共3页 Journal of Heze Medical College
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