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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
Comprehensive risk assessment for pulmonary manifestations in systemic lupus erythematosus: a large-scale Korean
Bo-Guen Kim1, Jiyeong Kim2, Yeonghee Eun3
1Division of Pulmonary Medicine, Department of Internal Medicine, Kangbuk Samsung Hospital, Seoul, Korea (the Republic of).
Objectives:
Pulmonary involvement is common in systemic lupus erythematosus (SLE), but the relative risk of pulmonary manifestations in SLE versus non-SLE subjects remains unclear. This study aimed to evaluate the risk of pulmonary manifestations in SLE subjects compared with matched controls.
Methods:
Using data from the Korean National Health Insurance Service (2009-2017), we identified 6074 individuals aged ≥20 years with newly diagnosed SLE and 60 740 matched controls by age and sex (1:10 ratio) who did not have prior pulmonary manifestations.
Results:
Over a mean follow-up of 9.3±2.7 years, the incidence of pulmonary manifestations was 15.2 per 1000 person-years in the SLE cohort and 4.5 per 1000 person-years in the matched cohort. The SLE cohort had a significantly higher risk of pulmonary manifestations (adjusted HR (aHR) 3.26; 95% CI 2.99 to 3.56). The highest risk was observed for pulmonary hypertension (aHR 14.66; 95% CI 9.43 to 22.80), followed by interstitial lung disease (aHR 9.58; 95% CI 7.99 to 11.49), pleural disorders (aHR 3.29; 95% CI 2.84 to 3.81), pulmonary embolism (aHR 2.66; 95% CI 2.06 to 3.43), tuberculosis (aHR 2.35; 95% CI 1.88 to 2.93), acute respiratory distress syndrome and haemorrhage (aHR 1.85; 95% CI 1.51 to 2.25) and lung cancer (aHR 1.41; 95% CI 1.02 to 1.95).
Conclusions:
Subjects with SLE have an approximately 3.3-fold higher risk of pulmonary manifestations compared with matched controls. Notably, the risks of pulmonary hypertension and interstitial lung disease are particularly elevated.
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