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CCP抗体、AKA和GPI抗原对类风湿性关节炎的诊断价值 被引量:9

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摘要 目的评价抗环瓜氨酸肽(CCP)抗体、抗角蛋白抗体(AKA)、葡萄糖-6-磷酸异构酶(GPI)抗原对类风湿性关节炎(RA)的诊断价值。方法检测82例RA患者,70例其他风湿性疾病患者及20例健康对照血清中抗CCP抗体、AKA、GPI,比较3种指标单独或联合检测对诊断RA的敏感性和特异性,并分别分析抗CCP抗体、AKA、GPI与类风湿因子(RF)、C反应蛋白(CRP)、血沉(ESR)的相关性。结果 RA患者的抗CCP抗体、AKA的阳性率及平均浓度均显著高于其他风湿病组和健康对照组(P<0.01),GPI在RA组和其他风湿病组之间差异无统计学意义。单独检测对RA特异性最高为抗CCP抗体,抗CCP抗体与2种或3种指标联合检测的特异性相当,但敏感性高于联合检测(P<0.05)。抗CCP抗体与ESR显著相关,AKA则与CCP、RF、CRP相关。结论抗CCP抗体的敏感性和特异性均较高,而GPI对RA的特异性不高,抗CCP抗体及AKA与RA的病情活动有一定的关系。联合检测有助于提高RA诊断的特异性。
出处 《广东医学》 CAS CSCD 北大核心 2010年第14期1830-1832,共3页 Guangdong Medical Journal
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