皮肌炎與多發(fā)性肌炎臨床表現(xiàn)和實驗室檢查對比分析
[Abstract]:Objective To compare the clinical and laboratory findings of dermatomyositis (DM) and polymyositis (PM). Methods The clinical data of 62 cases of DM and 29 cases of PM from January 1,2012 to October 31,2015 were analyzed retrospectively. The similarities and differences in laboratory tests for DM and PM patients with interstitial lung disease (ILD) were compared. Results The frequency of occurrence of fatigue, myalgia, dysphagia, fever and other symptoms was not statistically significant between the DM and PM groups. The numbers of peripheral blood lymphocytes in DM group were (1.13-0.48) and 10-9/ L, significantly less than that of PM group (1.78-0.90) and 10-9/ L (P = 0.01). The number of CD3 ~ + T cells in DM patients[(612-332)/. mu.L (1543-945)/. mu.L, P = 0.01], number of CD4 ~ + T cells[(370-175)/. mu.L (741-450)/. mu.L, The number of CD8 + T cells[(219-178)/. mu.L (738-644)/. mu.L, P = 0.02] was significantly less than that of the PM group. The ratio of CD4 + T/ CD8 + T in PM patients was (2.6% 1.5), which was significantly higher than that of DM patients (1.5% 1.0) (P = 0.03). The serum albumin level in DM patients[(34.2[4.7) g/ L (38.1[5.5) g/ L, P = 0.01] was significantly reduced compared with PM patients. The peripheral blood lymphocyte count of DM (DM-ILD) patients with ILD[(1.47-1.04),10-9/ L (1.70-0.85)[10-9/ L, P = 0.04], the level of serum creatine kinase was significantly lower than that of PM patients with ILD (PM-ILD)[(1220.8-2118.5) U/ L (3150.8-2965.9) U/ L, P = 0.02]. The ratio of CD4 + T/ CD8 + T in DM-ILD was 2.3-1.4, 1.4% 0.4 (P = 0.00) significantly higher in patients with PM-ILD. Conclusion DM and PM have similar points in clinical symptoms, but there are significant differences in the total number of T cells in peripheral blood and the number of different subpopulations, suggesting that the immune imbalance plays an important role in the pathogenesis of DM patients.
【作者單位】: 中國醫(yī)科大學附屬第一醫(yī)院風濕免疫科;
【基金】:國家自然科學基金(81271324)
【分類號】:R593.2
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