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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">microcirculation</journal-id><journal-title-group><journal-title xml:lang="ru">Регионарное кровообращение и микроциркуляция</journal-title><trans-title-group xml:lang="en"><trans-title>Regional blood circulation and microcirculation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-6655</issn><issn pub-type="epub">2712-9756</issn><publisher><publisher-name>Academician I.P. Pavlov First St. Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24884/1682-6655-2026-25-1-30-36</article-id><article-id custom-type="elpub" pub-id-type="custom">microcirculation-1516</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 СТАТЬИ (КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES (CLINICAL INVESTIGATIONS)</subject></subj-group></article-categories><title-group><article-title>Особенности микроциркуляции у молодых лиц с избыточной массой тела и ожирением I степени при разных значениях триглицерид-глюкозного индекса</article-title><trans-title-group xml:lang="en"><trans-title>Microcirculatory Characteristics in Young Adults with Overweight and Stage I Obesity at Different Levels of the Triglyceride-Glucose Index</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0394-7609</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Безбородова</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Bezborodova</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Безбородова Анастасия Павловна – ординатор 1-го года обучения по специальности «Кардиология», ассистент кафедры нормальной и патологической физиологии.</p><p>430005, Саранск, ул. Большевистская, д. 68</p></bio><bio xml:lang="en"><p>Bezborodova Anastasia P. – Cardiology Resident, Assistant, Department of Normal and Pathological Physiology, Medical Institute.</p><p>68, Bolshevistskaya str., Saransk, 430005</p></bio><email xlink:type="simple">apbezbor@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5350-1744</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рыжов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryzhov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рыжов Артем Владимирович – аспиРант 4-го года обучения по специальности «Патологическая физиология», ассистент кафедры нормальной и патологической физиологии.</p><p>430005, Саранск, ул. Большевистская, д. 68</p></bio><bio xml:lang="en"><p>Ryzhov Artem V. – Fourth-year Postgraduate Student in Pathological Physiology; Assistant, Department of Normal and Pathological Physiology, Medical Institute.</p><p>68, Bolshevistskaya str., Saransk, 430005</p></bio><email xlink:type="simple">artyom3690@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/0009-0002-3473-5200</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Автайкина</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Avtaykina</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Автайкина Любовь Алексеевна – студент 6 курса специальности «лечебное дело».</p><p>430005, Саранск, ул. Большевистская, д. 68</p></bio><bio xml:lang="en"><p>Avtaykina Lyubov A. – Sixth-year Medical Student, Medical Institute.</p><p>68, Bolshevistskaya str., Saransk, 430005</p></bio><email xlink:type="simple">lavtaykina02@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2466-7681</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мякушин</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Myakushin</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семен Сергеевич Мякушин – студент 5 курса специальности «лечебное дело».</p><p>430005, Саранск, ул. Большевистская, д. 68</p></bio><bio xml:lang="en"><p>Myakushin Semyon S. – Fifth-year Medical Student, Medical Institute.</p><p>68, Bolshevistskaya str., Saransk, 430005</p></bio><email xlink:type="simple">smyakushin@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2624-6450</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Власова</surname><given-names>Т. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Vlasova</surname><given-names>T. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Власова Татьяна Ивановна – д-р мед. наук, профессор, зав. кафедрой нормальной и патологической физиологии.</p><p>430005, Саранск, ул. Большевистская, д. 68</p></bio><bio xml:lang="en"><p>Vlasova Tatyana I. – Dr. Sci. Med, Professor; Head, Department of Normal and Pathological Physiology, Medical Institute.</p><p>68, Bolshevistskaya str., Saransk, 430005</p></bio><email xlink:type="simple">v.t.i@bk.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 «Национальный исследовательский Мордовский государственный университет им. Н.П. Огарёва»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ogarev National Research Mordovia State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>27</day><month>04</month><year>2026</year></pub-date><volume>25</volume><issue>1</issue><fpage>30</fpage><lpage>36</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Безбородова А.П., Рыжов А.В., Автайкина Л.А., Мякушин С.С., Власова Т.И., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Безбородова А.П., Рыжов А.В., Автайкина Л.А., Мякушин С.С., Власова Т.И.</copyright-holder><copyright-holder xml:lang="en">Bezborodova A.P., Ryzhov A.V., Avtaykina L.A., Myakushin S.S., Vlasova T.I.</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.microcirc.ru/jour/article/view/1516">https://www.microcirc.ru/jour/article/view/1516</self-uri><abstract><sec><title>Введение</title><p>Введение. Жировая ткань продуцирует широкий спектр биологически активных веществ – адипокинов. Нарушения их баланса при ожирении приводит к формированию эндотелиальной дисфункции. В условиях «омоложения» метаболического синдрома особую актуальность приобретают методы Раннего прогнозирования и мониторинга риска сосудистых расстройств. В последние годы внимание исследователей привлёк триглицерид-глюкозный индекс (TyG), основанный на определении уровней триглицеридов и глюкозы натощак.</p><p>Цель – изучить особенности микроциркуляции у молодых лиц с избыточной массой тела в зависимости от триглицерид-глюкозного индекса.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. 56 участников с избыточной массой тела и ожирением I степени в возрасте от 17 до 26 лет были разделены на две группы в зависимости от индекса TyG. В группу 1 вошли молодые люди, у которых индекс TyG≤6,29 (n=28), в группу 2 – молодые люди, у которых индекс TyG≥6,3 (n=28). Антропометрическое исследование: измерение роста, массы тела, расчет индекса массы тела (ИМТ), окружности талии и бёдер индекса талия/бедро (ИТБ). Лабораторная диагностика: определение содержания глюкозы плазмы крови, триглицеридов (ТГ). Изучение функционального состояния сосудистой стенки: метод фотоплетизмографии (ФПГ) и метод лазерной допплеровской флоуметрии (ЛДФ).</p></sec><sec><title>Результаты</title><p>Результаты. Оценка полового распределения показала преобладание лиц мужского пола во второй группе с более высоким значением TyG. Анализ ФПГ не показал достоверных различий параметров микроциркуляции между двумя группами. При оценке микроциркуляции методом ЛДФ установлено снижение амплитуды эндотелиальных вазомоций на 38,2%,(p&lt;0,05) и миогенных – на 36,06% (p&lt;0,05), амплитуды показателей дыхательного компонента на 36,23 % (p&lt;0,05) во второй группе (с повышенным TyG) относительно первой.</p></sec><sec><title>Заключение</title><p>Заключение. При повышенной массе тела и ожирении I степени, ассоциированными с индексом TyG выше 6,3 у. е., у лиц молодого возраста отмечается снижение влияний эндотелиального и миогенного компонентов механизмов регуляции микроциркуляции периферических тканей.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Adipose tissue produces a wide range of biologically active substances known as adipokines. Their imbalance in obesity leads to endothelial dysfunction. Given the «aging down» of metabolic syndrome, methods for early prediction and risk monitoring of vascular disorders are particularly relevant. In recent years, the triglyceride-glucose index (TyG), based on fasting triglyceride and glucose levels, has attracted the attention of researchers.</p></sec><sec><title>Aim</title><p>Aim. To study the characteristics of microcirculation in young overweight individuals at the different levels of the TyG index.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. Fifty-six participants with overweight and stage I obesity, aged 17 to 26 years, were divided into 2 groups based on their TyG index. Group 1 included young adults with a TyG index ≤6.29 (n=28) and group 2 comprised those with a TyG index ≥6.3 (n=28). Anthropometric assessment included measurements of height, body weight, body mass index (BMI), waist and hip circumferences (WHI) and waist-to-hip ratio (WHR). Laboratory diagnostics involved measuring plasma glucose and triglyceride levels. To assess vascular wall function, photoplethysmography (PPG) and laser Doppler flowmetry (LDF) were performed.</p></sec><sec><title>Results</title><p>Results. Analysis of gender distribution showed a predominance of males in the second group with higher TyG values. PPG analysis revealed no significant differences in microcirculation parameters between the two groups. LDF assessment revealed a decrease in the amplitude of endothelial vasomotions by 38.2% (p&lt;0.05), myogenic vasomotions by 36.06% (p&lt;0.05), and the amplitude of respiratory component indicators by 36.23% (p&lt;0.05) in the group with increased TyG compared to group 1.</p></sec><sec><title>Conclusion</title><p>Conclusion. In young adults with overweight and stage I obesity, associated with a TyG index above 6.3 a.u., there is a decrease in the contribution of endothelial and myogenic components to the regulation of peripheral tissue microcirculation.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>метаболический синдром и ожирение</kwd><kwd>триглицерид-глюкозный индекс</kwd><kwd>микроциркуляция</kwd><kwd>фотоплетизмография</kwd><kwd>лазерная доплеровская флуометрия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>metabolic syndrome and obesity</kwd><kwd>triglyceride-glucose index</kwd><kwd>microcirculation</kwd><kwd>photoplethysmography</kwd><kwd>laser Doppler flowmetry</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">World Health Organization. Cardiovascular diseases (CVDs) – Fact sheet. 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