Prognostic Value of Serum Osteopontin in Acute Exacerbation of Idiopathic Pulmonary Fibrosis
2020
Background: Acute exacerbation (AE) is a common cause of rapid deterioration and high mortality in idiopathic pulmonary fibrosis (IPF) patients. Osteopontin (OPN) plays an important role in IPF, but the studies about serum OPN in AE-IPF are unclear. We aimed to investigate whether OPN had a potential prognostic value in acute exacerbation and mortality in IPF. Methods: Thirty-two patients with AE-IPF, 39 with S-IPF, and 20 healthy controls were included. Serum OPN and KL-6 levels were compared between AE-IPF and S-IPF. Logistic regression analysis was applied to identify the predicted value of OPN for AE. Kaplan-Meier curves were used to display survival, and Cox proportional hazards regression was used to identify risk for mortality. Results: In AE-IPF patients, serum OPN levels were significantly higher than in S-IPF subjects (p < 0.001) or healthy controls (p < 0.001) or healthy controls (p < 0.001) or healthy controls (p < 0.001) or healthy controls (p < 0.001) or healthy controls (p < 0.001) or healthy controls (p < 0.001) or healthy controls (p < 0.001) or healthy controls (p < 0.001) or healthy controls (p < 0.001) or healthy controls (. Conclusion: Elevated OPN could be a potential serum predictor for AE status and survival in IPF patients.
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