• Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Chengdu, Sichuan, 610041, China;
LiangBinmiao, Email: liangbinmiao@163.com
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Objective To evaluate the prevalence of interstitial lung disease (ILD) in patients with rheumatoid arthritis (RA),and explore the association of ILD with RA. Methods Patients who were diagnosed as RA were recruited in the study,and were categorized into a RA-ILD group and a non-ILD group according to high-resolution computed tomography (HRCT).The data of clinical characteristics,serum biomarkers measurement,and pulmonary function test were collected. Logistic regression analysis was performed to evaluate the factors associated with the incidence of ILD in RA. Results A total of 59 patients with RA were enrolled. The incidence of ILD in RA was 42.3%. The rheumatoid factor (RF),carbohydrate antigen 15-3 (CA15-3),carbohydrate antigen12-5 (CA125),inspiratory capacity (IC) and diffusion capacity for carbon monoxide of the lung (DLCO) were significantly different between two groups (all P<0.05). Multivariate logistic regression analysis revealed that the increased CA15-3 and decreased DLCO were independent risk factors for ILD in the patients with RA. Conclusions The occurrence of ILD with RA seems very high. CA15-3 and DLCO may be important risk factors for the incidence of ILD in patients with RA.

Citation: LiLinwei, DuJing, DengYan, ZuPing, HeTailing, YuanYuru, LiangBinmiao. The Association of Interstitial Lung Disease with Rheumatoid Arthritis. Chinese Journal of Respiratory and Critical Care Medicine, 2015, 14(2): 165-167. doi: 10.7507/1671-6205.2015042 Copy

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