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三种自身抗体联合检测对系统性红斑狼疮的诊断价值 被引量:2

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摘要 目的通过对SLE患者的抗核抗体(ANA)、抗核抗体谱(ANAs)及抗双链DNA抗体(dsDNA)的检测,评价这些自身抗体对SLE的诊断价值。方法选择SLE组患者90例、非SLE疾病组患者74例和正常对照组患者53例,采用间接免疫荧光法测定ANA,免疫印迹法测定ANAs,放射免疫法测定抗ds-DNA,对所选患者血清标本进行检测,并对结果进行分析。结果SLE患者的抗dsDNA、AnuA、抗Sm敏感性为41.1%、32.2%、22.2%,特异性均为97.3%,阳性似然比分别为15.22、11.93、8.22,三者联合检测敏感性达到62.2%,特异性达到90.5%。结论抗dsDNA、AnuA、抗Sm是SLE的诊断性标记抗体,特异性高,但敏感性低,联合检测可以避免因单项检测出现的漏诊,提高了对SLE诊断的敏感性和诊断效率。
机构地区 浙江省台州医院
出处 《浙江检验医学》 2010年第1期19-21,共3页 Zhejiang Journal of Laboratory Medicine
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