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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">cfpd</journal-id><journal-title-group><journal-title xml:lang="ru">Бюллетень физиологии и патологии дыхания</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin Physiology and Pathology of Respiration</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-5029</issn><publisher><publisher-name>Дальневосточный научный центр физиологии и патологии дыхания</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36604/1998-5029-2026-99-96-101</article-id><article-id custom-type="elpub" pub-id-type="custom">cfpd-1318</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 RESEARCH</subject></subj-group></article-categories><title-group><article-title>Прогностическая модель развития острого инфаркта миокарда у пациентов молодого возраста с COVID-19</article-title><trans-title-group xml:lang="en"><trans-title>Prognostic model for acute myocardial infarction in young patients with COVID-19</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шульга</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Shulga</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Сергеевич Шульга, врач – сердечно-сосудистый хирург, соискатель ученой степени кандидата наук</p><p>клиника кардиохирургии; лаборатория механизмов этиопатогенеза и восстановительных процессов дыхательной системы при неспецифических заболеваниях легких</p><p>675000; ул. Горького, 95; ул. Калинина, 22; Благовещенск</p></bio><bio xml:lang="en"><p>Andrey S. Shulga, MD, Cardiovascular Surgeon, PhD Candidate</p><p>Cardiac Surgery Clinic; Laboratory of Mechanisms of Etiopathogenesis and Recovery Processes of the Respiratory System at Non-Specific Lung Diseases</p><p>675000; 95 Gor'kogo Str.; 22 Kalinina Str.,; Blagoveshchensk</p></bio><email xlink:type="simple">mig2994@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Амурская государственная медицинская академия» Министерства здравоохранения Российской̆ Федерации; Федеральное государственное бюджетное научное учреждение «Дальневосточный научный центр физиологии и патологии дыхания»</institution></aff><aff xml:lang="en"><institution>Amur State Medical Academy; Far Eastern Scientific Center of Physiology and Pathology of Respiration</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2026</year></pub-date><volume>0</volume><issue>99</issue><fpage>96</fpage><lpage>101</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шульга А.С., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Шульга А.С.</copyright-holder><copyright-holder xml:lang="en">Shulga 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://cfpd.elpub.ru/jour/article/view/1318">https://cfpd.elpub.ru/jour/article/view/1318</self-uri><abstract><sec><title>   Введение</title><p>   Введение. У пациентов молодого возраста отмечается высокий риск кардиоваскулярных осложнений, ассоциированных с COVID-19, включая острый инфаркт миокарда (ОИМ). Своевременное его выявление остаётся клинической проблемой, требующей разработки новых прогностических моделей, основанных на патогенетически значимых биомаркерах.</p></sec><sec><title>   Цель</title><p>   Цель. Разработать прогностическую модель риска развития ОИМ у пациентов молодого возраста с подтверждённым COVID-19 на основе оценки экспрессии лиганда, индуцирующего апоптоз, связанный с фактором некроза опухоли (TRAIL), и трансформирующего фактора роста бета 1 (TGFβ1).</p></sec><sec><title>   Материалы и методы</title><p>   Материалы и методы. В исследование включены 52 пациента со среднетяжёлым течением COVID-19, распределённые на две группы: основную (n = 28) – с развившимся в период госпитализации ОИМ – и группу сравнения (n = 24) – без признаков данного осложнения. Всем пациентам в первые 72 часа госпитализации проводили забор периферической крови. Методом проточной цитофлуорометрии на цитофлуориметре BD FACS Canto II (США) определяли уровень экспрессии TRAIL (с использованием APC-меченых моноклональных антител) и TGFβ1 (с использованием PE-меченых моноклональных антител) на моноцитах периферической крови.</p></sec><sec><title>   Результаты</title><p>   Результаты. У пациентов основной группы уровень экспрессии TRAIL (58,7[52,1;64,3] %) и TGFβ1 (17,8[15,2;21,4] %) был достоверно выше по сравнению с аналогичными показателями группы сравнения, где значения составили 14,2[10,8;18,6] % и 4,5[3,1;6,2] % соответственно (p &lt; 0,001). На основе дискриминантного анализа была разработана математическая модель расчета прогностического индекса (ПИ) ОИМ: ПИ = –13,197 + 0,355 × TRAIL + 0,276 × TGFβ1, граничное значение которого составляет 12,90. При ПИ ≥ 12,90 прогнозируется высокий риск ОИМ; при ПИ &lt; 12,90 – риск развития ОИМ низкий.</p></sec><sec><title>   Заключение</title><p>   Заключение. Разработанная прогностическая модель, основанная на определении уровня экспрессии TRAIL и TGFβ1 на моноцитах периферической крови, является высокоинформативным методом оценки риска развития ОИМ у пациентов молодого возраста с COVID-19. Применение данного алгоритма открывает возможности для своевременного проведения лечебно-профилактических мероприятий, направленных на минимизацию фатальных сердечно-сосудистых осложнений и улучшение прогноза заболевания.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>   Introduction</title><p>   Introduction. COVID-19 is associated with a high risk of cardiovascular complications, including acute myocardial infarction (AMI), even in young patients who may exhibit minimal traditional risk factors. Timely identification of individuals at high risk for AMI remains a clinical challenge, necessitating the development of novel prognostic models based on pathophysiologically relevant biomarkers.</p></sec><sec><title>   Aim</title><p>   Aim. To develop a prognostic model for AMI risk in young patients with confirmed COVID-19 based on the expression levels of TNF-related apoptosis-inducing ligand (TRAIL) and transforming growth factor beta 1 (TGFβ1).</p></sec><sec><title>   Materials and methods</title><p>   Materials and methods. The study included 52 patients with moderate COVID-19, divided into two groups: the main group (n = 28) with AMI developed during hospitalization, and the comparison group (n = 24) without AMI. Peripheral blood samples were collected within the first 72 hours of admission. TRAIL (using APC-conjugated monoclonal antibodies) and TGFβ1 (using PE-conjugated monoclonal antibodies) expression on peripheral blood monocytes was assessed by flow cytometry on a BD FACS Canto II (USA).</p></sec><sec><title>   Results</title><p>   Results. In the main group, TRAIL expression (58.7% [52.1; 64.3]) and TGFβ1 expression (17.8 % [15.2; 21.4]) were significantly higher than in the comparison group (14.2 % [10.8; 18.6] and 4.5 % [3.1; 6.2], respectively; p &lt; 0.001). Using discriminant analysis, a mathematical prognostic index (PI) for AMI was developed: PI = –13.197 + 0.355 × TRAIL + 0.276 × TGFβ1. A cutoff value of 12.90 was established: PI ≥ 12.90 indicates high risk of AMI; PI &lt; 12.90 indicates low risk of AMI.</p></sec><sec><title>   Conclusion</title><p>   Conclusion. The proposed prognostic model based on TRAIL and TGFβ1 expression levels on peripheral blood monocytes is a highly informative tool for assessing AMI risk in young patients with COVID-19. Implementation of this algorithm enables early initiation of preventive and therapeutic interventions aimed at reducing fatal cardiovascular complications and improving clinical outcomes.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>острый инфаркт миокарда</kwd><kwd>COVID-19</kwd><kwd>пациенты молодого возраста</kwd><kwd>TRAIL</kwd><kwd>TGFβ1</kwd></kwd-group><kwd-group xml:lang="en"><kwd>acute myocardial infarction</kwd><kwd>COVID-19</kwd><kwd>young patients</kwd><kwd>TRAIL</kwd><kwd>TGFβ1</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование проводилось без участия спонсоров</funding-statement><funding-statement xml:lang="en">This study was not sponsored</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Шульга А.С., Андриевская И.А., Меньшикова И.Г., Заболотских Т.В. 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