Affiliation:
1. Krasnoyarsk State Medical University;
Krasnoyarsk Regional Clinical Hospital
2. Krasnoyarsk State Medical University
3. Krasnoyarsk Regional Clinical Hospital
Abstract
Introduction. COVID-19 infection alters the body’s immune tolerance, which can affect the course of systemic diseases caused by alterations in immune function. Patients with sarcoidosis, just like patients with systemic diseases, have impaired immune system function. They receive immunosuppressive therapy, so they are at risk of infectious diseases, including the viral ones.Aim. To investigate the course of sarcoidosis in the period 2020-2022, the incidence of COVID-19 infection in patients treated by the pulmonologist of the sarcoidosis-polyclinic office of the Krasnoyarsk Regional Clinical Hospital and to evaluate the incidence of sarcoidosis after COVID-19.Materials and methods. 301 outpatient charts of patients diagnosed with sarcoidosis were analyzed. Anamnestic data, information on vaccination against COVID-19, results of physical examination, multispiral computed tomography of thoracic organs in dynamics, data and methods of morphological verification, the volume of the received therapy for sarcoidosis were assessed.Results. There was evidence that the combination of active sarcoidosis and COVID-19 did not contribute to a severe course of viral infection and progression in the course of granulomatosis. In patients with baseline moderate or severe pulmonary function impairment due to sarcoidosis and long-term use of systemic glucocorticosteroids, no increase in the incidence of adverse COVID-19 outcomes was noted. When analyzing fatal cases, it became known that in the first case, chronic recurrent sarcoidosis and prolonged use of systemic glucocorticosteroids were the factors determining the adverse prognosis in COVID- 19 In the second case, the combination of sarcoidosis with cardiovascular disease, diabetes mellitus, and obesity were adverse outcome factors. New cases of sarcoidosis after COVID-19 have been reported, this may be explained by the interaction between SARS-CoV-2 and human immune system, imbalance of proand anti-inflammatory cytokines, disruption of interferon production. However, this statement requires further research.
Publisher
Far Eastern Scientific Center Of Physiology and Pathology of Respiration
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