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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">cardiotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский журнал клинической и экспериментальной медицины</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian Journal of Clinical and Experimental Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2713-2927</issn><issn pub-type="epub">2713-265X</issn><publisher><publisher-name>TSU publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29001/2073-8552-2022-602</article-id><article-id custom-type="elpub" pub-id-type="custom">cardiotomsk-1874</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>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Активность хитотриозидазы и динамика данных компьютерной томографии у пациентов с COVID-19</article-title><trans-title-group xml:lang="en"><trans-title>Chitotriosidase activity and dynamics of computed tomography data in COVID-19 patients</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9098-4098</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щелкановцева</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Shchelkanovtseva</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Щелкановцева Екатерина Сергеевна, аспирант кафедры факультетской терапии № 1, Институт клинической медицины имени Н.В. Склифосовского</p><p>119048, Москва, ул. Трубецкая, 8, стр. 2</p></bio><bio xml:lang="en"><p>Ekaterina S. Shchelkanovtseva, Graduate Student, Department of Faculty Pediatrics</p><p>8–2, Trubetskaya str., Moscow, 119992</p></bio><email xlink:type="simple">mar-shhelkanovceva@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/0000-0002-5820-1759</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Миронова</surname><given-names>О. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Mironova</surname><given-names>O. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Миронова Ольга Юрьевна, д-р мед. наук, профессор кафедры факультетской терапии № 1, Институт клинической медицины имени Н.В. Склифосовского</p><p>119048, Москва, ул. Трубецкая, 8, стр. 2</p></bio><bio xml:lang="en"><p>Olga Yu. Mironova, Dr. Sci. (Med.), Professor, Department of Faculty Pediatrics</p><p>8–2, Trubetskaya str., Moscow, 119992</p></bio><email xlink:type="simple">mironova_o_yu@staff.sechenov.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/0000-0002-2062-2232</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соловьёв</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Solovev</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Соловьёв Кирилл Александрович, студент</p><p>119048, Москва, ул. Трубецкая, 8, стр. 2</p></bio><bio xml:lang="en"><p>Kirill A. Solovev, Student</p><p>8–2, Trubetskaya str., Moscow, 119992</p></bio><email xlink:type="simple">solovev_k_a@student.sechenov.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/0000-0002-0908-8040</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Берестова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Berestova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Берестова Елизавета Алексеевна, студент</p><p>119048, Москва, ул. Трубецкая, 8, стр. 2</p></bio><bio xml:lang="en"><p>Elizaveta A. Berestova, Student</p><p>8–2, Trubetskaya str., Moscow, 119992</p></bio><email xlink:type="simple">e-berestova@list.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/0000-0002-1166-9856</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Балахонов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Balakhonov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Балахонов Александр Алексеевич, аспирант кафедры факультетской терапии № 1, Институт клинической медицины имени Н.В. Склифосовского</p><p>119048, Москва, ул. Трубецкая, 8, стр. 2</p></bio><bio xml:lang="en"><p>Alexander A. Balakhonov, Graduate Student, Department of Faculty Pediatrics</p><p>8–2, Trubetskaya str., Moscow, 119992</p></bio><email xlink:type="simple">admin@mypda.org</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9368-1594</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нагорнов</surname><given-names>И. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Nagornov</surname><given-names>I. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нагорнов Илья Олегович, врач-лабораторный генетик</p><p>115478, Москва, ул. Москворечье, 1</p></bio><bio xml:lang="en"><p>Ilya O. Nagornov, Laboratory Geneticist</p><p>1, Moskvorechye str., Moscow, 115478</p></bio><email xlink:type="simple">nagornovilya@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2682-4417</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фомин</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fomin</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фомин Виктор Викторович, д-р мед. наук, член-корреспондент РАН, профессор, заведующий кафедрой факультетской терапии № 1, Институт клинической медицины имени Н.В. Склифосовского</p><p>119048, Москва, ул. Трубецкая, 8, стр. 2</p></bio><bio xml:lang="en"><p>Viktor V. Fomin, Dr. Sci. (Med.), Professor, Corresponding Member of RAS, Head of the Department of Faculty Pediatrics</p><p>8–2, Trubetskaya str., Moscow, 119992</p></bio><email xlink:type="simple">fomin_v_v_1@staff.sechenov.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/0000-0002-4324-7615</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Панферов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Panferov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Панферов Александр Сергеевич, канд. мед. наук, доцент кафедры факультетской терапии № 1, Институт клинической медицины имени Н.В. Склифосовского</p><p>119048, Москва, ул. Трубецкая, 8, стр. 2</p></bio><bio xml:lang="en"><p>Alexander S. Panferov, Cand. Sci. (Med.), Associate Professor, Department of Faculty Pediatrics</p><p>8–2, Trubetskaya str., Moscow, 119992</p></bio><email xlink:type="simple">panferov_a_s@staff.sechenov.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Первый Московский государственный медицинский университет имени И.М. Сеченова (Сеченовский университет) Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Медико-генетический научный центр имени академика Н.П. Бочкова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Academician N.P. Bochkov Research Centre for Medical Genetics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>31</day><month>08</month><year>2023</year></pub-date><volume>38</volume><issue>3</issue><fpage>172</fpage><lpage>178</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Щелкановцева Е.С., Миронова О.Ю., Соловьёв К.А., Берестова Е.А., Балахонов А.А., Нагорнов И.О., Фомин В.В., Панферов А.С., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Щелкановцева Е.С., Миронова О.Ю., Соловьёв К.А., Берестова Е.А., Балахонов А.А., Нагорнов И.О., Фомин В.В., Панферов А.С.</copyright-holder><copyright-holder xml:lang="en">Shchelkanovtseva E.S., Mironova O.Y., Solovev K.A., Berestova E.A., Balakhonov A.A., Nagornov I.O., Fomin V.V., Panferov A.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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://www.sibjcem.ru/jour/article/view/1874">https://www.sibjcem.ru/jour/article/view/1874</self-uri><abstract><sec><title>Цель</title><p>Цель: оценить взаимосвязь исходного уровня хитотриозидазы (ХТЗ) с динамикой данных компьютерной томографии (КТ): объемом поражения легочной ткани, плотностью печени и селезенки у госпитализированных пациентов с COVID-19.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Проведен субанализ исследования, зарегистрированного в Clinical Trial Registry под номером NCT04752085. Проанализированы данные пациентов, у которых были доступны данные КТ органов грудной клетки при поступлении и хотя бы однократно в динамике за период госпитализации и исходный уровень ХТЗ плазмы крови. На вошедших в зону сканирования изображениях верхних отделов брюшной полости была определена плотность печени и плотность селезенки с последующим расчетом отношения плотности печени к плотности селезенки (ОПС).</p></sec><sec><title>Результаты</title><p>Результаты. В субанализ включены данные 121 пациента (48,7% мужчины, медиана возраста: 62 [53; 70] года). В динамике через 7 [6; 9] дней отмечено статистически значимое увеличение средней плотности печени с 52,04 [45,4; 56,7] до 57,5 [49,8; 62,7] HU и ОПС – с 1,05 [0,91; 1,14] до 1,13 [0,99; 1,28], p &lt; 0,001. Динамика объема поражения легочной ткани была разнонаправленной и в целом достоверно не изменилась. Уровень ХТЗ среди пациентов, у которых объем поражения легочной ткани в динамике увеличился, оказался статистически значимо ниже 65 [27; 119] нмоль/мл/ч по сравнению с больными, у которых объем поражения легочной ткани не изменился или уменьшился до 124 [53; 232] нмоль/мл/ч, p = 0,006. Риск прогрессирования поражения легочной ткани оказался выше у пациентов с исходным уровнем ХТЗ менее 100 нмоль/мл/ч, ОШ 3,1 (95% ДИ 1,4–6,9).</p></sec><sec><title>Заключение</title><p>Заключение. Недостаточное повышение активности ХТЗ может сопровождаться прогрессированием поражения легочной ткани, но не влияет на динамику плотности печени и селезенки по данным КТ.  </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim: To assess the relationship between initial plasma chitotriosidase (CHIT) activity and the dynamics of computed tomography (CT) data: lung injury volume, liver and spleen density in COVID-19 hospitalized patients.</p></sec><sec><title>Material and Methods</title><p>Material and Methods. The sub-analysis of the study registered in the Clinical Trial Registry with number: NCT04752085 was performed. The data of patients with available CT data of the chest on admission and at least once in dynamics during the period of hospitalization and the initial level of CTS in the blood plasma were analyzed. The density of the liver and spleen was determined in the scanned upper abdominal images, followed by the calculation of the ratio of the density of the liver to the density of the spleen.</p></sec><sec><title>Results</title><p>Results. A total of 121 patients were enrolled in this sub-analysis. Their baseline characteristics were as follows: median age 62 [53;70], males 48,7%. Between the day of admission and 7 [6;9] days of hospitalization, there was a significant increase in mean liver density from 52,04 [45,4; 56,7] to 57,5 [49,8; 62,7] HU and L/S ratio (liver to spleen ratio) 1,05 [0,91; 1,14] to 1,13 [0,99; 1,28], p &lt; 0,001. The dynamics of the volume of lung tissue damage was multidirectional and, in general, did not change significantly. CHIT activity among patients whose lung injury volume increased during the hospitalization was significantly lower (65 [27; 119] nmol/ml/h) compared with patients whose lung injury volume did not change or decreased (124 [53; 232] nmol/ml/h), p = 0.006. The risk of lung injury progression was higher in patients with baseline CHIT level less than 100 nmol/h/ mL, (HR 3.1, 95% CI 1.4–6.9).</p></sec><sec><title>Conclusion</title><p>Conclusion. Insufficient increase of CHIT activity can be associated with progression of lung injury, but does not affect the evolution of liver and spleen density as measured by CT.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>хитотриозидаза</kwd><kwd>плотность печени</kwd><kwd>отношение плотности печени к плотности селезенки</kwd><kwd>компьютерная томография</kwd><kwd>поражение легких</kwd><kwd>COVID-19</kwd><kwd>биомаркеры</kwd><kwd>прогноз</kwd><kwd>CHI3L1</kwd><kwd>хитиназы</kwd><kwd>SARS CoV-2</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chitotriosidase</kwd><kwd>liver density</kwd><kwd>liver to spleen ratio</kwd><kwd>computed tomography</kwd><kwd>lung damage</kwd><kwd>COVID-19</kwd><kwd>biomarkers</kwd><kwd>prognosis</kwd><kwd>CHI3L1</kwd><kwd>chitinases</kwd><kwd>SARS CoV-2</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">WHO Weekly epidemiological update on COVID-19; 11 May 2023. 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