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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">pmj</journal-id><journal-title-group><journal-title xml:lang="ru">Тихоокеанский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Pacific Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1609-1175</issn><publisher><publisher-name>TGMU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.34215/1609-1175-2026-2-56-60</article-id><article-id custom-type="elpub" pub-id-type="custom">pmj-3142</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 RESEARCHES</subject></subj-group></article-categories><title-group><article-title>Модели машинного обучения для предтестовой верификации интактных коронарных артерий у больных инфарктом миокарда без подъема сегмента ST</article-title><trans-title-group xml:lang="en"><trans-title>Machine learning models for assessing pre-test probability of intact coronary arteries in patients with non-ST-segment elevation myocardial infarction</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>Гельцер</surname><given-names>Б. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Geltser</surname><given-names>B. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владивосток, о. Русский</p></bio><bio xml:lang="en"><p>Russky Island, Vladivostok</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/0000-0003-3545-3862</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Циванюк</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsivanyuk</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Циванюк Михаил Михайлович – к.м.н., старший научный сотрудник лаборатории анализа больших данных в здравоохранении и медицине Дальневосточного федерального университета, заведующий отделением рентгенохирургических методов диагностики и лечения Владивостокской клинической больницы № 1</p><p>690922, Владивосток, о. Русский, п. Аякс, 10; 690078, г. Владивосток, ул. Садовая, 22; тел.: +7 (914) 791-60-63</p></bio><bio xml:lang="en"><p>Mikhail M. Tsivanyuk - Cand. Sci. (Med.), Senior Researcher at the Laboratory for Big Data Analysis in Healthcare and Medicine, Far EFU; Head of the Department of Department of Interventional Radiology, Vladivostok CH № 1</p><p>10 Ajax Bay, Russky Island, Vladivostok 690922; 22 Sadovaya str., Vladivostok 690078; tel.: +7 (914) 791-60-63</p></bio><email xlink:type="simple">m_tsivanyuk@list.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шахгельдян</surname><given-names>К. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Shakhgeldyan</surname><given-names>K. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владивосток, о. Русский</p></bio><bio xml:lang="en"><p>Russky Island, Vladivostok</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жуков</surname><given-names>Д. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhukov</surname><given-names>D. Ya.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владивосток</p></bio><bio xml:lang="en"><p>Vladivostok</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мостовая</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mostovaya</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владивосток, о. Русский</p></bio><bio xml:lang="en"><p>Russky Island, Vladivostok</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Дальневосточный федеральный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Far East Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Дальневосточный федеральный университет; Владивостокская клиническая больница № 1</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Far East Federal University;  Vladivostok Clinical Hospital № 1</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Дальневосточный федеральный университет; Владивостокский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Far East Federal University; Vladivostok State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Владивостокский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vladivostok 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>19</day><month>07</month><year>2026</year></pub-date><volume>0</volume><issue>2</issue><fpage>56</fpage><lpage>60</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гельцер Б.И., Циванюк М.М., Шахгельдян К.И., Жуков Д.Я., Мостовая В.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Гельцер Б.И., Циванюк М.М., Шахгельдян К.И., Жуков Д.Я., Мостовая В.В.</copyright-holder><copyright-holder xml:lang="en">Geltser B.I., Tsivanyuk M.M., Shakhgeldyan K.I., Zhukov D.Y., Mostovaya V.V.</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.tmj-vgmu.ru/jour/article/view/3142">https://www.tmj-vgmu.ru/jour/article/view/3142</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования: Разработать модели машинного обучения (МО) для предтестовой верификации интактных коронарных артерий (КА) у пациентов с инфарктом миокарда без подъема сегмента ST (ИМбпST).</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В одноцентровое проспективное исследование включены 257 больных ИМбпST, которым выполнена инвазивная коронарография (КАГ). Проанализированы клинико-демографические, лабораторные, ЭКГ и эхоКГ показатели. С применением методов МО (многофакторная логистическая регрессия, стратифицированная 10-fold кросс-валидация) разработаны прогностические модели предтестовой диагностики интактных КА.</p></sec><sec><title>Результаты</title><p>Результаты. Интактные КА у больных ИМбпST по данным инвазивной КАГ выявлены у 13,2% пациентов. Наиболее высокой прогностической точностью (AUC = 0,87) обладала модель МО на основе многофакторной логистической регрессии, предикторы которой были представлены показателями возраста, холестерина липопротеинов низкой плотности, диаметром корня аорты, концентраций общего белка, общего билирубина, содержанием моноцитов в крови, депрессией сегмента ST и фибриногена.</p></sec><sec><title>Заключение</title><p>Заключение. Использование многофакторных моделей МО позволяет повысить точность предтестовой диагностики интактных КА у больных ИМбпST и создает предпосылки для выбора персонализированной тактики лечения пациентов с данным фенотипом заболевания.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective: To develop machine learning (ML) models for assessing the pretest probability of intact coronary arteries (CA) in patients with non–ST-segment elevation myocardial infarction (NSTEMI).</p></sec><sec><title>Materials and methods</title><p>Materials and methods. A single-center prospective study included 257 patients with NSTEMI who underwent invasive coronary angiography (ICA). Clinical and demographic characteristics, laboratory data, electrocardiogram and echocardiogram results were analyzed. ML methods, including multivariate logistic regression and stratified 10-fold cross-validation, were used to develop predictive models for pre-test diagnosis of intact CA.</p></sec><sec><title>Results</title><p>Results. ICA revealed intact CA in 13.2% of patients. A multivariate logistic regression-based ML model exhibited the highest prognostic accuracy (AUC = 0.87), with the following predictors: age, low-density lipoprotein cholesterol, aortic root diameter, total protein concentration, total bilirubin, blood monocyte count, ST-segment depression, and fibrinogen level.</p></sec><sec><title>Conclusion</title><p>Conclusion. Using multifactorial ML models improves the accuracy of the pretest diagnosis of intact CA in patients with NSTEMI. Thus, personalized treatment strategies can be selected for patients with this disease phenotype.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>необструктивное поражение</kwd><kwd>стратификация риска</kwd><kwd>прогностические модели</kwd><kwd>кросс-валидация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>non-obstructive coronary artery disease</kwd><kwd>risk stratification</kwd><kwd>predictive models</kwd><kwd>cross-validation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">работа выполнена при финансовой поддержке проекта FZNS-2026–0014 госзадания ДВФУ</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">Yang L, Zheng B, Gong Y. Global, regional and national burden of ischemic heart disease and its attributable risk factors from 1990 to 2021: a systematic analysis of the Global Burden of Disease study 2021. 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