ОЦЕНКА ПОСЛЕДСТВИЙ ВЛИЯНИЯ ПАНДЕМИИ COVID-19 НА СИСТЕМУ АКТИВНОГО ВЫЯВЛЕНИЯ СЛУЧАЕВ ТУБЕРКУЛЁЗА В РОССИЙСКОЙ ФЕДЕРАЦИИ

Abstract

Significance. The COVID-19 pandemic has disrupted the system of active detection of many diseases, including tuberculosis (TB). However, the assessment of this effect based on the decreased TB incidence alone is not correct, since the regiment to fight COVID-19 has created conditions for preventing the spread of other infectious diseases. The purpose of the study was: to assess dynamics in active TB detection, as well as the number of late detected TB cases due to the COVID-19 pandemic. Material and methods. The study analyzed statistical observation forms # 8 and #33. The excess number of newly diagnosed cases of fibrous-cavernous pulmonary tuberculosis (FCPTb) was calculated as multiplied by the number of newly diagnosed TB cases to the difference in the average share of fibrous-cavernous pulmonary tuberculosis cases in 2016-2019 and the share of fibrous-cavernous pulmonary tuberculosis cases in the year under study (2020, 2021, 2022). The excess number of TB patients diagnosed postmortem was calculated as multiplied by the number of newly diagnosed TB cases to the difference in the average share of TB cases detected postmortem in 2015-2019 and the share of TB cases detected postmortem in the year under study (2020, 2021, 2022). Results. In 2020, the population coverage with preventive medical examination for TB decreased to 66.7%, which is close to the 2015 level (68.1%) followed by a growth to 70.6% in 2021 (the 2017 level) and further to 73.6% in 2022 (the 2019 level). The share of newly diagnosed fibrous-cavernous pulmonary tuberculosis cases in 2016-2019 equaled to 1.1%, increased to 1.4% in 2020, to 1.5% in 2021, and 1.4% in 2022. The share of TB cases detected postmortem equaled to 1.6-1.8% in 2008-2019; to 2.7% in 2020, and to 2.9% in 2021 and 2022. The excess number of newly diagnosed fibrous-cavernous pulmonary tuberculosis cases equaled to 109 in 2020, 188 in 2021, and 128 in 2022. The excess number of TB cases detected postmortem equaled to 480 in 2020, 566 in 2021, and 540 in 2022. Conclusion. The impact of the COVID-19 pandemic on the system of active TB detection in the Russian Federation was strong, yet rather short-run. However, the three years of the COVID-19 pandemic has resulted in the delay in detection of 2011 TB patients (1.5% of the total number of newly diagnosed TB cases)