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目的 通过分析药物性狼疮(DIL)的临床特点、诊断与治疗,提高临床医生的认识及诊治水平.方法 回顾性分析2003年1月-2014年9月北京协和医院诊断明确、资料详细的6例DIL患者的临床资料.结果 6例DIL患者中,男性2例,女性4例,年龄17～ 72岁,平均39.3岁,药物诱发时间最短6d,最长3年,平均1.4年,其中使用干扰素后引起DIL者2例,使用重组人Ⅱ型肿瘤坏死因子受体-抗体融合蛋白后引起DIL者1例,服用丙基硫氧嘧啶后引起DIL者1例,服用青霉胺引起DIL者1例,服用左氧氟沙星引起DIL者l例.6例患者均出现了高滴度的抗核抗体,3例患者抗双链DNA抗体阳性,1例患者抗Sm抗体阳性,1例患者抗核糖核蛋白抗体阳性,l例患者抗核小体抗体阳性,1例患者抗组蛋白抗体阳性,1例患者抗线粒体抗体M2阳性,1例患者抗心磷脂抗体阳性.患者停用诱发DIL药物,规范治疗后病情缓解,预后良好.结论 DIL比系统性红斑狼疮患者临床病情轻,患者及早停用诱发DIL的药物后规范治疗,预后较好.

Objective To improve the understanding of drug-induced lupus (DIL) and the differences from systemic lupus erythematosus (SLE).Methods Clinical manifestation and treatment of patients with definite DIL were retrospectively analyzed.Results Six patients with DIL were enrolled in this study,including 4 females and 2 males.Two patients were diagnosed after receiving interferon,one after soluble tumor necrosis factor receptor fusion protein,one after propylthiouracil,one after penicillamine,and one after levofloxacin.High titer of antinuclear antibody was identified in all six patients,including 3 with positive anti-dsDNA antibody.One patient had positive anti-Sm antibody.One patient had positive anti-RNP antibody.One patient had anti-nucleosome antibody.One patient had anti-histone antibody.One patient had antimitochondrial antibodies-M2,and one patient had anticardiolipin antibodies.Conclusion Patients with DIL are not as severe as those with SLE.After cessation of suspected drugs and administration of standard treatment,the clinical outcome of DIL is satisfying.