ABSTRACT
Objective To evaluate the influence of atopy on the prognosis of juvenile-onset systemic lupus erythematosus (JSLE).Methods The study was performed on 60 cases with JSLE diagnosed at the Department of Pediatrics,Renji Hospital Affiliated to School of Medicine of Shanghai Jiaotong University from October 2005 to April 2015.These patients were enrolled by mixed cohort study and subdivided into atopic group(26 cases) or non-atopic group(34 cases).The clinical and laboratory data of the disease onset,disease assessment scores,medications during follow-ups and remission/flare of the disease were recorded and analyzed to compare the difference between 2 groups.Results (1) The systemic lupus erythematosus disease activity index (SLEDAI) score [(17.080 ± 5.628) scores vs (12.590 ± 4.856) scores],anti-double-stranded DNA (anti-dsDNA) [(62.590 ± 43.602) IU/mL vs (40.230 ±30.189) IU/mL],erythrocyte sedimentation rate (ESR) [(59.150 ± 40.315) mm/1 h vs (40,350 ± 31.865)mm/1 h] were significantly elevated at onset in the atopic group compared with non-atopic controls (all P ＜ 0.05),while the complement C3[(0.450 ±0.218) g/L vs(0.640 ±0.333) g/L],C4 [(0.047 ±0.024) g/L vs(0.116 ±0.172) g/L] in atopic group was lower than those in the non-atopic group (all P ＜ 0.05).(2)During the follow ups of 1 and 6 months to 1 year,the JSLE patients with atopy always had higher SLEDA1 score compared with the non atopic controls(all P ＜ 0.05).(3)For medications,the daily cumulative glucocorticoid dose received by patients in the atopic group were larger than that of the non-atopic group,and the number of immunosuppressive agents used in the atopic group was more than that in the non-atopic controls (P ＜ 0.05).(4) During the 1-year follow-up,the rate of disease relapse in the atopic group was higher than that in the non-atopic group and the atopic group also needed much more time to reach disease remission (P ＜ 0.05).Conclusion JSLE patients combined with atopy may have an adverse influence on the prognosis of JSLE.