Analysis of Respiratory System Functional Parameters at Different Time Points after COVID-19
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Published:2023-12-25
Issue:6
Volume:101
Page:42-49
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ISSN:2542-1506
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Container-title:Tuberculosis and Lung Diseases
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language:
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Short-container-title:Tuberk. bolezni lëgk.
Author:
Savushkina O. I.1ORCID, Muravieva E. S.2ORCID, Avdeev S. N.3ORCID, Kulagina I. Ts.4, Malashenko M. M.4ORCID, Zaytsev A. A.5ORCID
Affiliation:
1. Burdenko Main Military Clinical Hospital, Russian Ministry of Defense; Pulmonology Research Institute by the Russian Federal Medical Biological Agency 2. Pirogov Russian National Research Medical University, Russian Ministry of Health 3. I.M. Sechenov First Moscow State Medical University (Sechenov University), Russian Ministry of Health 4. Burdenko Main Military Clinical Hospital, Russian Ministry of Defense 5. Burdenko Main Military Clinical Hospital, Russian Ministry of Defense; Russian Biotechnological University
Abstract
The objective: to define the type and evaluate the severity of respiratory functional disorders after COVID-19. \Subjects and Methods. A retrospective observational study was conducted. The following parameters were analyzed: demographic data, data from chest computed tomography during the acute period of the disease (CTmax), parameters of pulmonary function tests (PFT) – spirometry, body plethysmography and diffusion test. Those data were collected in 341 patients, 262 (76.8%) of them were men (median age – 48 (41.5–57) years, median durtaion of Period A (onset of COVID-19 before PFT) made 53 (28.5–111) days). Depending on duration of Period A, patients were divided into three groups: Group 1 – up to 90 days (n=221), Group 2 – 90-180 days (n=80), and Group 3 – more than 180 days (n=40). In patients of Groups 1, 2 and 3, in 68.3%, 47.5% and 32,5% of cases, respectively, disorders of diffusing lung capacity were recorded, which were associated to a greater extent with CTmax, and to a lesser extent with duration of Period A. The restrictive type of ventilation disorders was observed in 33.5% and 11% of cases in Groups 1 and 2, no restriction was detected in Group 3, airway obstruction was detected in 8%, 5%, 7.5% of cases in Groups 1, 2 and 3 respectively.Conclusion. Disorder of diffusing lung capacity was the most common functional disorder of the respiratory system after COVID-19, and therefore it is advisable to include a diffusion test along with spirometry to the examination plan of such patients.
Publisher
LLC "Medical Knowledge and Technologies"
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