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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">russjcardiol</journal-id><journal-title-group><journal-title xml:lang="ru">Российский кардиологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Cardiology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1560-4071</issn><issn pub-type="epub">2618-7620</issn><publisher><publisher-name>«SILICEA-POLIGRAF» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15829/10.15829/1560-4071-2026-6721</article-id><article-id custom-type="edn" pub-id-type="custom">HUTKZB</article-id><article-id custom-type="elpub" pub-id-type="custom">russjcardiol-6721</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>ОБЗОРЫ И ТЕХНОЛОГИИ ИСКУССТВЕННОГО ИНТЕЛЛЕКТА В КАРДИОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>REVIEWS AND TECHNOLOGIES OF ARTIFICIAL INTELLIGENCE IN CARDIOLOGY</subject></subj-group></article-categories><title-group><article-title>Сравнение эффективности и методологического качества моделей машинного обучения для прогнозирования исходов при сердечной недостаточности с сохраненной и сниженной фракцией выброса: систематический обзор</article-title><trans-title-group xml:lang="en"><trans-title>Comparison of the performance and methodological quality of machine learning models for predicting outcomes in heart failure with preserved and reduced ejection fraction: a systematic review</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-8705-7438</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Буренков</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Burenkov</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрий Владиславович Буренков — ординатор 1-го года обучения по специальности "Терапия", факультет подготовки кадров высшей квалификации </p><p>Студенческая ул., д. 10, Воронеж, 394036</p></bio><bio xml:lang="en"><p>Studencheskaya str., 10, Voronezh, 394036</p></bio><email xlink:type="simple">ghjd56@bk.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/0000-0002-1707-436X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шевцова</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Shevcova</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вероника Ивановна Шевцова — к.м.н., доцент, доцент кафедры инфекционных болезней и клинической иммунологии </p><p>Студенческая ул., д. 10, Воронеж, 394036</p></bio><bio xml:lang="en"><p>Studencheskaya str., 10, Voronezh, 394036</p></bio><email xlink:type="simple">shevvi17@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кутилова</surname><given-names>Д. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kutilova</surname><given-names>D. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Диана Евгеньевна Кутилова — студентка 5 курса, лечебный факультет</p><p>ул. Победы, д. 85, Белгород, 308007</p></bio><bio xml:lang="en"><p>Pobedy str., 85, Belgorod, 308007</p></bio><email xlink:type="simple">dianchickutilova@gmail.com</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>Тарасова</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Tarasova</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Арина Олеговна Тарасова. — студентка 5 курса, лечебный факультет</p><p>ул. Победы, д. 85, Белгород, 308007</p></bio><bio xml:lang="en"><p>Pobedy str., 85, Belgorod, 308007</p></bio><email xlink:type="simple">arina_tarasova_2020@inbox.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО Воронежский государственный медицинский университет им. Н. Н. Бурденко Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Burdenko Voronezh State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАОУ ВО Белгородский государственный национальный исследовательский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Belgorod State National Research 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>22</day><month>04</month><year>2026</year></pub-date><volume>31</volume><issue>2S</issue><issue-title>Искусственный интеллект в медицине</issue-title><fpage>6721</fpage><lpage>6721</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Буренков Ю.В., Шевцова В.И., Кутилова Д.Е., Тарасова А.О., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Буренков Ю.В., Шевцова В.И., Кутилова Д.Е., Тарасова А.О.</copyright-holder><copyright-holder xml:lang="en">Burenkov Y.V., Shevcova V.I., Kutilova D.E., Tarasova A.O.</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://russjcardiol.elpub.ru/jour/article/view/6721">https://russjcardiol.elpub.ru/jour/article/view/6721</self-uri><abstract><sec><title>Цель</title><p>Цель. Провести сравнительную оценку эффективности и методологического качества моделей машинного обучения (machine learning, ML) для прогнозирования исходов у пациентов с хронической сердечной недостаточностью с сохраненной (ХСНсФВ) и сниженной (ХСНнФВ) фракцией выброса.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Проведен систематический поиск оригинальных работ в базах данных PubMed и eLibrary (2015-2025гг). В обзор было включено 20 исследований. Методологическое качество оценивалось по PROBAST.</p></sec><sec><title>Результаты</title><p>Результаты. Эффективность ML-моделей была сопоставимой для ХСНсФВ и ХСНнФВ (медиана AUC 0,812 в обеих группах, p=0,48). 70% исследований имели высокий риск смещения, преимущественно из-за отсутствия внешней валидации. Модели кластеризации демонстрировали клинически значимую стратификацию, выявляя фенотипы со статистически значимым повышенным риском (например, отношение рисков 2,99 (95% доверительный интервал 2,41-3,7, p&lt;0,001)).</p></sec><sec><title>Заключение</title><p>Заключение. ML-модели показывают умеренно-высокую эффективность, однако отсутствие внешней валидации ограничивает их готовность к клиническому применению. Необходимы стандартизация методологии для будущих исследований и проспективная валидация.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. To assess performance and methodological quality of machine learning (ML) models for predicting outcomes in patients with heart failure with preserved (HFpEF) and reduced (HFrEF) ejection fraction.</p></sec><sec><title>Material and methods</title><p>Material and methods. A systematic search of original publications in PubMed and eLibrary (2015-2025) was conducted. Twenty studies were included in the review. Methodological quality was assessed using PROBAST.</p></sec><sec><title>Results</title><p>Results. The performance of the ML models was comparable for HFpEF and HFrEF (median AUC, 0,812 in both groups, p=0,48). The analysis showed that 70% of the studies were at high risk of bias, primarily due to the lack of external validation. The clustering models demonstrated clinically meaningful stratification, identifying phenotypes with significantly increased risk (e.g., hazard ratio 2,99 (95% confidence interval 2,41-3,7, p&lt;0,001)).</p></sec><sec><title>Conclusion</title><p>Conclusion. ML models demonstrate moderate-to-high performance. However, the lack of external validation limits their readiness for clinical application. Standardization of methodology for future studies and prospective validation are needed.</p></sec><sec><title> </title><p> </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>машинное обучение</kwd><kwd>сердечная недостаточность</kwd><kwd>прогнозирование исходов</kwd><kwd>методологическое качество</kwd><kwd>хроническая сердечная недостаточность с сохраненной фракцией выброса</kwd><kwd>хроническая сердечная недостаточность со сниженной фракцией выброса</kwd></kwd-group><kwd-group xml:lang="en"><kwd>machine learning</kwd><kwd>heart failure</kwd><kwd>outcome prediction</kwd><kwd>methodological quality</kwd><kwd>heart failure with preserved ejection fraction</kwd><kwd>heart failure with reduced ejection fraction</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">Ларина В. Н., Кокорин В. А., Ларин В. Г. и др. 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