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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">sibmed</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский научный медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Сибирский научный медицинский журнал</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-2512</issn><issn pub-type="epub">2410-2520</issn><publisher><publisher-name>ИЦиГ СО РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18699/SSMJ20240103</article-id><article-id custom-type="elpub" pub-id-type="custom">sibmed-1384</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>Статьи</subject></subj-group></article-categories><title-group><article-title>О влиянии установки внутрисосудистого стента в бифуркацию коронарной артерии со стенозом на перераспределение в ней кровотока: эксперимент и моделирование</article-title><trans-title-group xml:lang="en"><trans-title>Towards effects from stent implantation into coronary bifurcation stenosis: experiment and simulation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-7047-3382</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гайфутдинов</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gaifutdinov</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гайфутдинов Ринат Айдарович </p><p>630090, г. Новосибирск, пр. Академика Лаврентьева, 15</p></bio><bio xml:lang="en"><p>Rinat A. Gaifutdinov </p><p>630090, Novosibirsk, Aсademika Lavrentieva ave., 15</p></bio><email xlink:type="simple">r.gaifutdinov@g.nsu.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/0000-0003-0359-648X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куянова</surname><given-names>Ю. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuyanova</surname><given-names>Yu. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Куянова Юлия Олеговна </p><p>630090, г. Новосибирск, пр. Академика Лаврентьева, 15</p></bio><bio xml:lang="en"><p>Yulia O. Kuyanova </p><p>630090, Novosibirsk, Aсademika Lavrentieva ave., 15</p></bio><email xlink:type="simple">kuyanovaj@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/0000-0001-5419-913X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хелимский</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khelimsky</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хелимский Дмитрий Александрович, к.м.н. </p><p>630055, г. Новосибирск, ул. Речкуновская, 15</p></bio><bio xml:lang="en"><p>Dmitry A. Khelimsky, candidate of medical sciences </p><p>630055, Novosibirsk, Reshkunovskaya st., 15</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5214-8996</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крестьянинов</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krestyaninov</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крестьянинов Олег Викторович, д.м.н. </p><p>630055, г. Новосибирск, ул. Речкуновская, 15</p></bio><bio xml:lang="en"><p>Oleg V. Krestyaninov, doctor of medical sciences </p><p>630055, Novosibirsk, Reshkunovskaya st., 15</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1277-4113</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тулупов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tulupov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тулупов Андрей Александрович, д.м.н., проф., чл.-корр. РАН </p><p>630090, г. Новосибирск, пр. Академика Лаврентьева, 15;630090, г. Новосибирск, ул. Институтская, 3а</p></bio><bio xml:lang="en"><p>Andrey A. Tulupov, doctor of medical sciences, professor, corresponding member of the RAS </p><p>630090, Novosibirsk, Aсademika Lavrentieva ave., 15;630090, Novosibirsk, Institutskaya st., 3а</p></bio><email xlink:type="simple">taa@tomo.nsc.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2496-3042</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Паршин</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Parshin</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Паршин Даниил Васильевич, к.ф.-м.н. </p><p>630090, г. Новосибирск, пр. Академика Лаврентьева, 15</p></bio><bio xml:lang="en"><p>Daniil V. Parshin, candidate of physical and mathematical sciences </p><p>630090, Novosibirsk, Aсademika Lavrentieva ave., 15</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт гидродинамики им. М.А. Лаврентьева СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lavrentyev Institute of Hydrodynamics of SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр им. Академика Е.Н. Мешалкина Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Meshalkin National Medical Research Center of Minzdrav of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт гидродинамики им. М.А. Лаврентьева СО РАН;&#13;
Институт «Международный томографический центр» СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lavrentyev Institute of Hydrodynamics of SB RAS;&#13;
International Tomography Center of SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>27</day><month>02</month><year>2024</year></pub-date><volume>44</volume><issue>1</issue><fpage>23</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гайфутдинов Р.А., Куянова Ю.О., Хелимский Д.А., Крестьянинов О.В., Тулупов А.А., Паршин Д.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Гайфутдинов Р.А., Куянова Ю.О., Хелимский Д.А., Крестьянинов О.В., Тулупов А.А., Паршин Д.В.</copyright-holder><copyright-holder xml:lang="en">Gaifutdinov R.A., Kuyanova Y.O., Khelimsky D.A., Krestyaninov O.V., Tulupov A.A., Parshin D.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://sibmed.elpub.ru/jour/article/view/1384">https://sibmed.elpub.ru/jour/article/view/1384</self-uri><abstract><p>Ишемическая болезнь сердца является широко распространенной причиной смерти и инвалидизации в популяции. Стентирование коронарных артерий представляет собой один из наиболее распространенных способов устранения причины ишемии – стенозов коронарных артерий. В результате установки стента, как правило, происходит изменение угла сосудистой бифуркации, а также перераспределение объемного кровотока в системе коронарных артерий. Учитывая высокую вариабельность ветвистой ангиоархитектоники этих артерий, а также структуры их окружения, задача о предсказании конкретного перераспределения кровотока в этих артериях остается до сих пор не решенной; основными способами ее реализации является вычислительная и экспериментальная гемодинамика. Материал и методы. В данной работе в экспериментальном подходе исследовано влияние установки стента в модель стеноза коронарных артерий и выполнен анализ современного уровня осведомленности научного сообщества в этом вопросе. Результаты и их обсуждение. В ходе эксперимента показано, что пропускная способность модели увеличивается на 14 % по сравнению с моделью со стенозом, а перераспределение потоков в модели зависит не от диаметров, а от анатомии конкретной сосудистой сети. Данные проведенного математического моделирования в целом согласуются с результатами эксперимента до установки стента, когда коронарное дерево состоит из нескольких несущих ветвей, однако имеют количественные различия для дистальных ветвей модели коронарных артерий при наличии установленного стента. Заключение. Результаты работы могут быть использованы для накопления экспериментального массива данных о перестройке кровотока при ангиопластике и для верификации численной гемодинамики коронарных артерий при виртуальной установке в них стента для разрешения стеноза.</p></abstract><trans-abstract xml:lang="en"><p>Coronary artery disease is a widespread cause of death and disability in the population. Angioplasty of the coronary arteries is one of the most common methods of eliminating the cause of ischemia – stenosis of the coronary arteries. As a result of stent installation, a change in the angle of vascular bifurcation occurs usually, as well as a redistribution of volumetric blood flow in the coronary artery system. Considering the high variability of the branching angioarchitecture of these arteries, as well as the structure of their environment, the problem of predicting the specific redistribution of blood flow in these arteries remains unsolved; the main ways of its implementation are computational and experimental hemodynamics. Material and methods. This paper uses an experimental approach to explore the effect of stent placement in a model of coronary artery stenosis, and also provides an analysis of the current level of awareness of the scientific community on this issue. Results and discussion. The experiment showed that the throughput of the model increases by 14 % compared to the model with stenosis, and the redistribution of flows in the model depends not on diameters but on the anatomy of a particular vascular network. The data of the performed mathematical modeling are generally consistent with the results of the experiment before stent installation, when the coronary tree consists of several load-bearing branches, but have quantitative differences for the distal branches of the coronary artery model in the presence of an installed stent. Conclusions. The results of the work can be used to accumulate an experimental data array on the restructuring of blood flow during angioplasty, and can also be used to verify the numerical hemodynamics of the coronary arteries during the virtual installation of a stent in them to resolve stenosis. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>ишемическая болезнь сердца</kwd><kwd>ангиопластика</kwd><kwd>стеноз</kwd><kwd>коронарная бифуркация</kwd><kwd>ангиоархитектоника</kwd><kwd>экспериментальная гемодинамика</kwd><kwd>силиконовая модель сосудов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>coronary heart disease</kwd><kwd>angioplasty</kwd><kwd>stenosis</kwd><kwd>coronary bifurcation</kwd><kwd>angioarchitectonics</kwd><kwd>experimental hemodynamics</kwd><kwd>silicone model of blood vessels</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Российского научного фонда, грант № 20-71-10034 (https://rscf.ru/project/20-71-10034/). Работа Д.А. Хелимского и О.В. Крестьянинова выполнялась в рамках договора о сотрудничестве между Институтом гидродинамики им. М.А. Лаврентьева СО РАН и Национальным медицинским исследовательским центром им. Академика Е.Н. Мешалкина Минздрава России.</funding-statement><funding-statement xml:lang="en">The study is supported by a grant from Russian Science Foundation 20-71-10034 (https://rscf.ru/ project/20-71-10034/). The work of D.A. Khelimsky and O.V. Merozhinov was carried out within the Meshalkin National Medical Research Center of Minzdrav of Russia framework of a cooperation agreement between the Lavrentyev Institute of Hydrodynamics SB RAS and Meshalkin National Medical Research Center of Minzdrav of Russia.</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">Mozaffarian D., Benjamin E.J., Go A.S., Arnett D.K., Blaha M.J., Cushman M., de Ferranti S., Després J.P., Fullerton H.J., Howard V.J., … American Heart Association Statistics Committee and Stroke Statistics Subcommittee. Heart disease and stroke statistics – 2015 update: a report from the American Heart Association. 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