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Lung India ; 40(3): 248-252, 2023.
Article in English | MEDLINE | ID: covidwho-2316410

ABSTRACT

Background: One of the most dreaded complications of COVID pneumonia is post-COVID residual lung fibrosis and lung function impairment. Objectives: To find out the extent and type of pulmonary function abnormality using spirometry, diffusion capacity, and 6-minute walk test and to co-relate with the clinical severity at the time of infection, in patients who have recovered from COVID19 pneumonia, in a tertiary care hospital in India. Materials and Methods: This is a prospective, cross-sectional study with a total 100 patients. Patients who have recovered from COVID pneumonia after one month of onset of symptoms and before 3 months who come for follow-up and have respiratory complaints undergo pulmonary function test will be recruited in the study. Results: In our study, the most common lung function abnormality detected was restrictive pattern in 55% of the patients (N = 55) followed by mixed pattern in 9% of patients (N = 9), obstructive in 5% of patients (N = 5), and normal in 31% of patients (N = 31). In our study, total lung capacity was reduced in 62% of the patients and normal in 38% of the patients and diffusion capacity of lung was reduced in 52% of the patients recovered from 52% of the individuals. Also, a 6-minute walk test was reduced in 15% of the patients and normal in 85% of the patients. Conclusion: Pulmonary function test can serve as an important tool in both diagnosis and follow-up of post-COVID lung fibrosis and pulmonary sequalae.

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