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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">pulmo</journal-id><journal-title-group><journal-title xml:lang="ru">Пульмонология</journal-title><trans-title-group xml:lang="en"><trans-title>PULMONOLOGIYA</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-0189</issn><issn pub-type="epub">2541-9617</issn><publisher><publisher-name>Scientific and Practical Journal “PULMONOLOGIYA” LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18093/0869-0189-2021-31-5-588-597</article-id><article-id custom-type="elpub" pub-id-type="custom">pulmo-2879</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Изменения микроциркуляции в легких у пациентов, перенесших COVID-19</article-title><trans-title-group xml:lang="en"><trans-title>Changes in pulmonary microcirculation after COVID-19</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7982-3805</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Золотницкая</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Zolotnitskaya</surname><given-names>Valentina P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Золотницкая Валентина Петровна – д. б. н., старший научный сотрудник Научно-исследовательского института пульмонологии</p><p>SPIN-код: 9168-0286</p><p>197022, Санкт-Петербург, ул. Льва Толстого, 6–8</p><p>тел.: (812) 338-63-13</p></bio><bio xml:lang="en"><p>Valentina P. Zolotnitskaya, Doctor of Biology, Senior Researcher, Research Institute of Pulmonology</p><p>SPIN-code: 9168-0286</p><p>ul. L’va Tolstogo 6 – 8, Saint-Petersburg, 197089</p><p>tel.: (812) 338-63-13</p></bio><email xlink:type="simple">zolotnitskaja68@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4678-3904</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Титова</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Titova</surname><given-names>Olga N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Титова Ольга Николаевна – д. м. н., профессор, директор Научно-исследовательского института пульмонологии</p><p>SPIN-код: 4801-4985</p><p>197022, Санкт-Петербург, ул. Льва Толстого, 6–8</p><p>тел.: (812) 338-68-40</p></bio><bio xml:lang="en"><p>Olga N. Titova, Doctor of Medicine, Professor, Director of Research Institute of Pulmonology</p><p>SPIN-code: 4801-4985</p><p>ul. L’va Tolstogo 6 – 8, Saint-Petersburg, 197089</p><p>tel.: (812) 338-68-40</p></bio><email xlink:type="simple">titova-on@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1166-9717</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузубова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzubova</surname><given-names>Nataliya A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузубова Наталия Анатольевна – д. м. н., заместитель директора по научной работе Научно-исследовательского института пульмонологии</p><p>SPIN-код: 4461-0180</p><p>197022, Санкт-Петербург, ул. Льва Толстого, 6–8</p><p>тел.: (812) 338-66-06</p></bio><bio xml:lang="en"><p>Nataliya A. Kuzubova, Doctor of Medicine, Deputy Director for Research, Research Institute of Pulmonology</p><p>SPIN-code: 4461-0180</p><p>ul. L’va Tolstogo 6 – 8, Saint-Petersburg, 197089</p><p>tel.: (812) 338-66-06</p></bio><email xlink:type="simple">kuzubova@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2482-7435</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Амосова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Amosova</surname><given-names>Olga V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Амосова Ольга Викторовна – ординатор кафедры рентгенологии и радиационной медицины</p><p>SPIN-код: 9577-4967</p><p>197022, Санкт-Петербург, ул. Льва Толстого, 6–8</p><p>тел.: (812) 338-63-01</p></bio><bio xml:lang="en"><p>Olga V. Amosova, Resident of the Department of Radiology and Radiation Medicine</p><p>SPIN-code: 9577-4967</p><p>ul. L’va Tolstogo 6 – 8, Saint-Petersburg, 197089</p><p>tel.: (812) 338-63-01</p></bio><email xlink:type="simple">amosova-ol@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8322-4509</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сперанская</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Speranskaya</surname><given-names>Aleksandra A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сперанская Александра Анатольевна – д. м. н., профессор кафедры рентгенологии и радиационной медицины с рентгенологическим и радиологическим отделениями</p><p>SPIN-код: 8245-2730</p><p>197022, Санкт-Петербург, ул. Льва Толстого, 6–8</p><p>тел.: (812) 338-63-03</p></bio><bio xml:lang="en"><p>Aleksandra A. Speranskaya, Doctor of Medicine, Professor, Department of Radiology and Radiation Medicine with X-ray and Radiological Departments</p><p>SPIN-code: 8245-2730</p><p>ul. L’va Tolstogo 6 – 8, Saint-Petersburg, 197089</p><p>tel.: (812) 338-63-03</p></bio><email xlink:type="simple">a.spera@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное образовательное учреждение высшего образования «Первый Санкт-Петербургский государственный медицинский университет имени академика И.П. Павлова» Министерства здравоохранения<country>Россия</country></aff><aff xml:lang="en">Federal State Budgetary Educational Institution of Higher Education “Academician I.P.Pavlov First St. Petersburg State Medical University”, Ministry of Healthcare<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>20</day><month>10</month><year>2021</year></pub-date><volume>31</volume><issue>5</issue><fpage>588</fpage><lpage>597</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Золотницкая В.П., Титова О.Н., Кузубова Н.А., Амосова О.В., Сперанская А.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Золотницкая В.П., Титова О.Н., Кузубова Н.А., Амосова О.В., Сперанская А.А.</copyright-holder><copyright-holder xml:lang="en">Zolotnitskaya V.P., Titova O.N., Kuzubova N.A., Amosova O.V., Speranskaya A.A.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://journal.pulmonology.ru/pulm/article/view/2879">https://journal.pulmonology.ru/pulm/article/view/2879</self-uri><abstract><p>Наиболее уязвимой тканью при воздействии вируса SARS-CoV-2 является эндотелий. Системная дисфункция эндотелия, развитие эндотелита обусловливает основные проявления заболевания и системное нарушение микроциркуляции в различных органах. Наиболее ярко клиническая картина проявляется при поражении микроциркуляторного звена легких, являясь мотивацией для выполнения однофотонной эмиссионной компьютерной томографии (ОФЭКТ) легких с целью выявления нарушений микроциркуляции.</p><p>Целью работы явилась оценка изменений в микроциркуляторном русле легких у пациентов без заболеваний органов дыхания в анамнезе, перенесших COVID-19, на разных сроках от начала заболевания.</p><sec><title>Материалы и методы</title><p>Материалы и методы. Проанализированы данные ОФЭКТ, выполненные у пациентов (n = 136) с доказанной перенесенной с мая 2020 по июнь 2021 г. коронавирусной инфекцией разной степени тяжести.</p></sec><sec><title> Результаты</title><p> Результаты. У всех обследованных выявлены изменения микроциркуляции в легких в постковидном периоде (ПКП). Степень выраженности нарушений микроциркуляции имела достоверную зависимость (rs = 0,76; p = 0,01) от степени поражения легочной паренхимы и среднюю корреляционную зависимость (rs = 0,48; p = 0,05) от сроков ПКП и степени остаточных изменений по данным компьютерной томографии (КТ) (rs = 0,49; p = 0,01). На всех этапах ПКП у пациентов с сохраняющимися клиническими жалобами наблюдались изменения в микроциркуляторном звене легких, что может свидетельствовать о развитии васкулита. Несмотря на положительный регресс изменений, к 3–6-му месяцу ПКП по данным КТ у 30–36 % пациентов развивается фиброз легких. Подобные изменения выявлены у 19,1 % обследованных.</p></sec><sec><title>Заключение</title><p>Заключение. У всех обследованных в ПКП, независимо от степени тяжести по данным КТ, выявляются нарушения микроциркуляции. Прогрессирующее снижение микроциркуляции в нижних отделах легких, появление локальных зон гипоперфузии с критически низким накоплением радиофармпрепарата, длительное время сохраняющиеся участки уплотнения легочной ткани по типу «матового стекла», ретикулярные изменения и развитие тракционных бронхоэктазов, снижение диффузионной способности легких и альвеолярного объема могут свидетельствовать о формировании фиброзных изменений с последующим исходом в вирус-ассоциированное интерстициальное заболевание легких.</p></sec></abstract><trans-abstract xml:lang="en"><p>The endothelium is a tissue most vulnerable to the SARS-CoV-2 virus. Systemic endothelial dysfunction leads to the development of endothelitis which causes the main manifestations of the disease and systemic disturbance of microcirculation in various organs. Pulmonary microcirculatory damage, the most striking clinical manifestation, was the reason to perform SPECT to detect microcirculation disorders.</p><sec><title>Aim</title><p>Aim. To assess microcirculatory changes in the lungs of patients who had no previous respiratory diseases and had a COVID-19 infection at different times from the onset of the disease.</p></sec><sec><title>Methods</title><p>Methods. SPECT data were analyzed in 136 patients who had a proven coronavirus infection of varying severity from May 2020 to June 2021.</p></sec><sec><title>Results</title><p>Results. All patients showed changes in microcirculation in the lungs in the post-COVID period. The severity of microcirculation disorders had a significant correlation (rs = 0.76; p = 0.01) with the degree of damage to the pulmonary parenchyma and an average correlation (rs = 0.48; p = 0.05) with the timing of the post-COVID period and the degree of residual lesions on CT (rs = 0.49; p = 0.01). The examined patients with persistent clinical complaints had pulmonary microcirculatory lesions, which may indicate the development of vasculitis, at all stages of the post-COVID period. Despite regression of the lesions confirmed by CT in 3 to 6 months after the acute COVID-19 infection, specialists from Russian and other countries report that 30–36% of patients develop pulmonary fibrosis. Similar changes were identified in 19.1% of the examined patients in our study.</p></sec><sec><title>Conclusion</title><p>Conclusion. Microcirculation disorders are detected in all patients in the post-COVID period, irrespective of the severity according to CT. Progressive decrease in microcirculation in the lower parts of the lungs, local zones of hypoperfusion with the critically low accumulation of radiopharmaceuticals, persistent areas of compaction of the lung tissue (so-called “ground glass”), reticular changes, and the development of traction bronchiectasis, a decrease in the diffusion capacity of the lungs and alveolar volume may indicate fibrotic lesions with subsequent development of virus-associated interstitial lung disease.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>вирус SARS-CoV-2</kwd><kwd>дисфункция эндотелия</kwd><kwd>микроциркуляция</kwd><kwd>однофотонная эмиссионная компьютерная томография легких</kwd></kwd-group><kwd-group xml:lang="en"><kwd>SARS-CoV-2 virus</kwd><kwd>endothelial dysfunction</kwd><kwd>microcirculation</kwd><kwd>single-photon emission computed tomography of the lungs</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Hamming I., Timens W., Bulthuis M.L.C. et al. 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