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重症类风湿性关节炎(ＲＡ)可伴有全身性损害而危及生命,目前有关ＲＡ关节外表现的本质研究尚少,对ＩｇＡ类风湿因子(ＲＦ)在ＲＡ关节外表现中的意义仍存在争议。本研究测定了ＲＡ病人的ＩｇＡＲＦ,评价它与ＲＡ临床特征的相关性。病人和方法 本研究的114例活动期ＲＡ均达到美
Severe rheumatoid arthritis (RA) may be accompanied by systemic damage and life-threatening. At present, there are few studies on the nature of RA outside the joint and the significance of IgA rheumatoid factor (RF) on the manifestations of RA remains controversial . This study determined IgARF in RA patients and evaluated its association with the clinical features of RA. Patients and Methods The 114 active RA patients in this study reached the United States