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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Science and Innovations in Medicine</journal-id><journal-title-group><journal-title xml:lang="en">Science and Innovations in Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Наука и инновации в медицине</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2500-1388</issn><issn publication-format="electronic">2618-754X</issn><publisher><publisher-name xml:lang="en">FSBEI of Higher Education SamSMU of Ministry of Health of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">112506</article-id><article-id pub-id-type="doi">10.35693/2500-1388-2023-8-1-34-38</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Cardiology</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Кардиология</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Clinical and diagnostic significance of plasminogen activator inhibitor type 1 in the early development of coronary heart disease</article-title><trans-title-group xml:lang="ru"><trans-title>Клинико-диагностическое значение ингибитора активатора плазминогена 1 типа в раннем развитии ишемической болезни сердца</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5520-675X</contrib-id><name-alternatives><name xml:lang="en"><surname>Nurillaeva</surname><given-names>Nargiza M.</given-names></name><name xml:lang="ru"><surname>Нуриллаева</surname><given-names>Наргиза Мухтархановна</given-names></name></name-alternatives><address><country country="UZ">Uzbekistan</country></address><bio xml:lang="en"><p>PhD, Professor, Head of the Department of Internal Diseases No. 1</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор, заведующая кафедрой внутренних болезней №1</p></bio><email>nargizanur@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0156-1304</contrib-id><name-alternatives><name xml:lang="en"><surname>Khasanova</surname><given-names>Nargiza A.</given-names></name><name xml:lang="ru"><surname>Хасановa</surname><given-names>Наргиза Абдумухтаровна</given-names></name></name-alternatives><address><country country="UZ">Uzbekistan</country></address><bio xml:lang="en"><p>Assistant of the Department of Internal Diseases No. 1</p></bio><bio xml:lang="ru"><p>ассистент кафедры внутренних болезней №1</p></bio><email>xasanova_nargiza@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7455-3869</contrib-id><name-alternatives><name xml:lang="en"><surname>Zokirova</surname><given-names>Muborakhon B.</given-names></name><name xml:lang="ru"><surname>Зокирова</surname><given-names>Муборакхон Бобуровна</given-names></name></name-alternatives><address><country country="UZ">Uzbekistan</country></address><bio xml:lang="en"><p>Assistant of the Department of Internal Diseases No. 1</p></bio><bio xml:lang="ru"><p>ассистент кафедры внутренних болезней №1</p></bio><email>muborakhonk@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Tashkent Medical Academy</institution></aff><aff><institution xml:lang="ru">Ташкентская медицинская академия</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-02-11" publication-format="electronic"><day>11</day><month>02</month><year>2023</year></pub-date><volume>8</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>34</fpage><lpage>38</lpage><history><date date-type="received" iso-8601-date="2022-11-10"><day>10</day><month>11</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-12-13"><day>13</day><month>12</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Nurillaeva N.M., Khasanova N.A., Zokirova M.B.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Нуриллаева Н.М., Хасановa Н.А., Зокирова М.Б.</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Nurillaeva N.M., Khasanova N.A., Zokirova M.B.</copyright-holder><copyright-holder xml:lang="ru">Нуриллаева Н.М., Хасановa Н.А., Зокирова М.Б.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://innoscience.ru/2500-1388/article/view/112506">https://innoscience.ru/2500-1388/article/view/112506</self-uri><abstract xml:lang="en"><p><bold>Aim</bold> – to determine the quantitative content of the tissue plasminogen activator inhibitor type 1 (PAI-1) and to determine its relationship with risk factors for coronary artery disease.</p> <p><bold>Material and methods. </bold>The study included 67 male and female patients (36 men and 31 women) with coronary artery disease (CAD) and stable angina classes II-IV with the presence of hypertension. The mean age of the patients was 60.2±0.76 years. In all patients, clinical and anamnestic data were collected during the examination. For pain assessment, we used a verbal scale. We registered the anthropometric data and body mass index. Biochemical and instrumental methods of research were used according to the standards for diagnosing CAD. We assessed the occurrence of risk factors in patients included in the study. A complex of general clinical laboratory and instrumental tests was used, as well as the method of enzyme immunoassay ELISA, which determined the level of PAI-1, platelet aggregation activity, renin, aldosterone, cortisol and endothelin.</p> <p><bold>Results. </bold>The group of patients demonstrated a reliable elevation of PAI-1 plasma level. Compared with practically healthy people, the level of this biomarker was 1.6 times higher in patients with coronary artery disease. A significant elevation of PAI-1 level indicates an increased risk of endothelial and hemostasiological disorders in patients, which, in turn, increases the risk of thrombogenic complications. The study revealed the correlation of PAI-1 protein in CAD patients with such risk factors as mixed anxiety-depressive disorder, smoking, hypertension, obesity, and hypercholesterolemia.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель</bold> – выявить количественное содержание ингибитора тканевого активатора плазминогена 1 типа (PAI-1) и определить его связь с факторами риска ИБС.</p> <p><bold>Материал и методы.</bold> В исследование было включено 67 пациентов мужского и женского пола (36 мужчин и 31 женщина) с ИБС и ССН II–IV функционального классов (ФК) на фоне АГ. Средний возраст больных составил 60,2±0,76 года. У всех пациентов были собраны клинико-анамнестические данные при осмотре, определены оценка боли по вербальной шкале, антропометрические данные и индекс массы тела, назначены биохимические и инструментальные методы исследования согласно стандартам диагностики ИБС. Проведена оценка встречаемости факторов риска пациентов, включенных в исследование. Выполнен комплекс общеклинических лабораторно-инструментальных исследований, а также применен метод иммуноферментного анализа (ИФА), определяющий количество PAI-1 (ингибитор активатора плазминогена-1), агрегационная активность тромбоцитов, ренин, альдостерон, кортизол и эндотелин.</p> <p><bold>Результаты</bold>. Выявлено достоверное увеличение плазменного PAI-1 в группе больных. По сравнению с практически здоровыми людьми количество этого биомаркера было в 1,6 раза выше у больных ИБС. Значительное увеличение количества PAI-1 свидетельствует о повышенном риске эндотелиальных и гемостазиологических нарушений у пациентов, что повышает риск развития тромбогенных осложнений. Обнаружено, что белок PAI-1 при ИБС в плазме крови коррелировал с такими факторами риска, как ТДС, курение, АГ, ожирение и гиперхолестеринемия.</p></trans-abstract><kwd-group xml:lang="en"><kwd>coronary artery disease</kwd><kwd>PAI-1 protein</kwd><kwd>hemostasiological disorders</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ишемическая болезнь сердца</kwd><kwd>белок PAI-1</kwd><kwd>гемостазиологические нарушения</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Katrancıoğlu N, Karahan O, Kurtulgan H, et. al. PAI-1 4G/4G gene polymorphism is associated with higher serum lipid level in Turkish population. 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