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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">kpccz</journal-id><journal-title-group><journal-title xml:lang="ru">Комплексные проблемы сердечно-сосудистых заболеваний</journal-title><trans-title-group xml:lang="en"><trans-title>Complex Issues of Cardiovascular Diseases</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2306-1278</issn><issn pub-type="epub">2587-9537</issn><publisher><publisher-name>Federal State Budgetary Institution “Research Institute for Complex Issues of Cardiovascular Diseases”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17802/2306-1278-2025-14-4-37-46</article-id><article-id custom-type="elpub" pub-id-type="custom">kpccz-1726</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. Кардиология. Патологическая физиология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL STUDIES. Cardiology. Pathlogical physiology</subject></subj-group></article-categories><title-group><article-title>СВЯЗЬ ПОКАЗАТЕЛЕЙ ФУНКЦИИ ЭНДОТЕЛИЯ И МИОКАРДИАЛЬНОГО ФИБРОЗА С ВЫРАЖЕННОСТЬЮ КОРОНАРНОГО АТЕРОСКЛЕРОЗА У ПАЦИЕНТОВ С ОСТРЫМ ИНФАРКТОМ МИОКАРДА</article-title><trans-title-group xml:lang="en"><trans-title>THE RELATIONSHIP OF INDICATORS OF ENDOTHELIAL FUNCTION AND MYOCARDIAL FIBROSIS WITH THE SEVERITY OF CORONARY ATHEROSCLEROSIS IN PATIENTS WITH CHRONIC HEART FAILURE WHO HAVE HAD A MYOCARDIAL INFARCTION</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6407-3880</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трусов</surname><given-names>Юрий Александрович</given-names></name><name name-style="western" xml:lang="en"><surname>Trusov</surname><given-names>Yuri A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач-кардиолог, ассистент кафедры пропедевтической терапии с курсом кардиологии федерального государственного бюджетного образовательного учреждения высшего образования «Самарский государственный медицинский университет» Министерства здравоохранения Российской Федерации, Самара, Российская Федерация</p></bio><bio xml:lang="en"><p>Cardiologist, Assistant Professor at the Department of Propaedeutic Therapy with a course in Cardiology at the Federal State Budgetary Educational Institution of Higher Education “Samara State Medical University” of the Ministry of Health of the Russian Federation, Samara, Russian Federation</p></bio><email xlink:type="simple">yu.a.trusov@samsmu.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/0000-0003-0387-8356</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щукин</surname><given-names>Юрий Владимирович</given-names></name><name name-style="western" xml:lang="en"><surname>Shchukin</surname><given-names>Yuri V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, заслуженный работник высшей школы РФ, профессор кафедры пропедевтической терапии с курсом кардиологии федерального государственного бюджетного образовательного учреждения высшего образования «Самарский государственный медицинский университет» Министерства здравоохранения Российской Федерации, Самара, Российская Федерация</p></bio><bio xml:lang="en"><p>MD, Honored Worker of Higher Education of the Russian Federation, Professor of Propaedeutic Therapy with a course in Cardiology at the Federal State Budgetary Educational Institution of Higher Education “Samara State Medical University” of the Ministry of Health of the Russian Federation, Samara, Russian Federation</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0416-0266</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зинкина</surname><given-names>Анна Алексеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Zinkina</surname><given-names>Anna A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач-кардиолог отделения кардиологии Клиник федерального государственного бюджетного образовательного учреждения высшего образования «Самарский государственный медицинский университет» Министерства здравоохранения Российской Федерации, Самара, Российская Федерация</p></bio><bio xml:lang="en"><p>Cardiologist at the Department of Cardiology of the Clinics of the Federal State Budgetary Educational Institution of Higher Education “Samara State Medical University” of the Ministry of Health of the Russian Federation, Samara, Russian Federation</p></bio><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 «Самарский государственный медицинский университет» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal State Budgetary Educational Institution of Higher Education “Samara State Medical University” of the Ministry of Health of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>31</day><month>08</month><year>2025</year></pub-date><volume>14</volume><issue>4</issue><fpage>37</fpage><lpage>46</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Трусов Ю.А., Щукин Ю.В., Зинкина А.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Трусов Ю.А., Щукин Ю.В., Зинкина А.А.</copyright-holder><copyright-holder xml:lang="en">Trusov Y.A., Shchukin Y.V., Zinkina A.A.</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.nii-kpssz.com/jour/article/view/1726">https://www.nii-kpssz.com/jour/article/view/1726</self-uri><abstract><sec><title>Основные положения</title><p>Основные положения</p></sec><sec><title> </title><p> </p></sec><sec><title>Резюме</title><p>Резюме</p></sec><sec><title>Цель</title><p>Цель. Изучение связи между выраженностью коронарного атеросклероза с дисфункцией эндотелия и миокардиальным фиброзом у пациентов с острым инфарктом миокарда (ИМ).</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Включено 96 пациентов, госпитализированных в остром периоде ИМ, которым была выполнена коронароангиография (КАГ). Всем участникам проведены: эхокардиографическое исследование с оценкой фракции выброса левого желудочка (ФВ ЛЖ) и глобальной продольной деформации (GLS), лазерная допплеровская флоуметрия (ЛДФ), оценка уровня биомаркеров (СРБ, sST2, NTproBNP, VEGF).</p></sec><sec><title>Результаты</title><p>Результаты. По результатам КАГ многососудистое поражение коронарных артерий выявлено у 58 (60,4%) пациентов, поражение ствола левой коронарной артерии (стЛКА) – у 20 (20,8%). Медиана баллов по шкале Syntax составила 26,8 (14,5; 38). Тяжесть коронарного атеросклероза ассоциировалась со снижением ФВ ЛЖ (R = –0,31, p = 0,002), GLS (R = –0,73, p &lt; 0,001), амплитудно-частотных показателей микроциркуляции, объема регулирующих механизмов, коэффициента вариации (Kv) микрокровотока (R = –0,3, p = 0,003) и увеличением степени диастолической дисфункции ЛЖ (R = 0,31, р = 0,002) и показателя резерва капиллярного кровотока (R = 0,29, p = 0,005). Установлена прямая взаимосвязь тяжести коронарного атеросклероза с концентрациями СРБ (R = 0,32, p = 0,002), NT-proBNP (R = 0,71, p &lt; 0,001) и sST2 (R = 0,77, p &lt; 0,001) и обратная – с величиной СКФ (R = –0,21; р = 0,046). Выявлены обратные взаимосвязи между количеством пораженных коронарных артерий и величиной ФВ ЛЖ (R = –0,23; р = 0,027), Kv (R = –0,36, p &lt; 0,001), амплитудой колебаний микрокровотока в нейрогенном диапазоне (R = –0,24, p = 0,019). При поражении стЛКА отмечались более низкие показатели ФВ ЛЖ (48,5% (41,0; 53,5) против 53,0% (47,0; 57,0) без поражения стЛКА; р = 0,03), амплитуд колебаний в нейрогенном (0,52 (0,49; 0,56) пф. ед. против 0,56 (0,53; 0,6) пф. ед., соответственно; р = 0,009) и миогенном диапазонах (0,4 (0,37; 0,47) пф. ед. против 0,49 (0,41; 0,55) пф. ед., соответственно; р = 0,01) и более высокие показатели резерва капиллярного кровотока (131,2% (126,2; 133,2) против 126,8% (124,2; 130,2), соответственно; р = 0,01).</p></sec><sec><title>Заключение</title><p>Заключение. Результаты исследования свидетельствуют о наличии взаимосвязи выраженности поражения коронарных артерий с изменениями гемодинамики на уровне микроциркуляторного русла, фибротическим ремоделированием миокарда и уровнями таких биомаркеров, как СРБ, NT-proBNP и sST2.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Highlights</title><p>Highlights</p></sec><sec><title> </title><p> </p></sec><sec><title>Abstract</title><p>Abstract</p></sec><sec><title>Aim</title><p>Aim. To study the relationship between the severity of coronary atherosclerosis, endothelial dysfunction and myocardial fibrosis in patients with chronic heart failure who have had a myocardial infarction.</p></sec><sec><title>Methods</title><p>Methods. 96 patients with chronic heart failure hospitalized in the acute period of myocardial infarction were included. All participants underwent: echocardiographic examination with assessment of left ventricular ejection fraction (LVEF) and global longitudinal strain, laser doppler flowmetry, assessment of biomarker levels (CRP, sST2, NTproBNP, VEGF), coronary angiography.</p></sec><sec><title>Results</title><p>Results. According to coronary angiography results, multivessel coronary artery disease was identified in 58 (60.4%) patients, and left main coronary artery (LMCA) involvement was found in 20 (20.8%). The severity of coronary atherosclerosis was associated with a decrease in LVEF (R = –0.31, p = 0.002), global longitudinal strain (R = –0.73, p &lt; 0.001), amplitude-frequency parameters of microcirculation, volume of regulatory mechanisms, and coefficient of variation of microcirculation (R = –0.3, p = 0.003), as well as an increase in the degree of left ventricular diastolic dysfunction (R = 0.31, p = 0.002), capillary blood flow reserve (R = 0.29, p = 0.005), concentrations of CRP (R = 0.32, p = 0.002), NT-proBNP (R = 0.71, p &lt; 0.001), and sST2 (R = 0.77, p &lt; 0.001). Inverse relationships were identified between the number of affected coronary arteries and LVEF (R = –0.23; p = 0.027), coefficient of variation of microcirculation (R = –0.36, p &lt; 0.001), and amplitude of microcirculation oscillations in the neurogenic range (R = –0.24, p = 0.019). Patients with LMCA stenosis had lower LVEF, amplitudes of oscillations in the neurogenic and myogenic ranges, as well as higher capillary blood flow reserve values.</p></sec><sec><title>Conclusion</title><p>Conclusion. The results of the study indicate a relationship between the severity of coronary atherosclerosis and changes in hemodynamics at the microcirculatory level, fibrotic remodeling of the myocardium, and concentrations of biomarkers such as CRP, NT-proBNP, and sST2.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Атеросклероз коронарных артерий</kwd><kwd>Эндотелиальная дисфункция</kwd><kwd>Ремоделирование</kwd><kwd>Воспаление</kwd><kwd>Инфаркт миокарда</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Coronary artery atherosclerosis</kwd><kwd>Endothelial dysfunction</kwd><kwd>Remodeling</kwd><kwd>Inflammation</kwd><kwd>Chronic heart failure</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы заявляют об отсутствии финансирования исследования.</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">Вайсман Д.Ш., Енина Е.Н. 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