Study to Identify the Prevalence and Predictive Factors of Post COVID Lung Fibrosis in COVID-19

Abstract

Background: SARS CoV-2 has affected more than 494 millions of people all over across the globe till date. Most lethal infection of SARS-CoV-2 is highly representative of patients suffering with idiopathic pulmonary fibrosis (IPF) [1]. Interstitial thickening, irregular interface, coarse reticular pattern, and parenchymal bands manifesting in the course of the disease might be predictors of pulmonary fibrosis in these patients [2]. 
 Objectives and Methods: Objective of the study is to identify the prevalence and predictive factors of post covid lung fibrosis in covid-19 patients. The study was conducted in a retrospective manner and included 100 patients in our tertiary care center. HRCT thorax conducted in all patients were evaluated on admission, one month, 3 month and 6 months whereever indicated.
 Results: The prevalence of post covid lung fibrosis was 2 % at 6 months , with CT severity score more for elderly male population. In our study we found a significant corelation between clinical severity and post covid fibrosis.
 Conclusion: From our study, the post COVID lung changes are reversible, with only 2 % developing the post covid lung fibrosis.