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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">emcardio</journal-id><journal-title-group><journal-title xml:lang="ru">Неотложная кардиология и кардиоваскулярные риски</journal-title><trans-title-group xml:lang="en"><trans-title>Emergency Cardiology and Cardiovascular Risks journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2616-633X</issn><publisher><publisher-name>Белорусский государственный медицинский университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.51922/2616-633X.2025.9.2.2604</article-id><article-id custom-type="elpub" pub-id-type="custom">emcardio-320</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 научные публикации</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Original Scientific Research</subject></subj-group></article-categories><title-group><article-title>Эксимерлазерная коронарная ангиопластика при хронических тотальных окклюзиях коронарных артерий: сравнительный анализ с ОКТ навигацией</article-title><trans-title-group xml:lang="en"><trans-title>Excimer laser coronary angioplasty in coronary chronic total occlusion: a comparative analysis with OCT navigation</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>Климов</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Klimau</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">dr.maxklimow@gmail.com</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>Постоялко</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Pastayalka</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сивак</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sivak</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Постоялко</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pastayalka</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГУ РКМЦ управления делами Президента РБ</institution></aff><aff xml:lang="en"><institution>The state institution "Republican Clinical Medical Center" of the Administration of the President of the Republic of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Республиканский научно‑практический центр «Кардиология»</institution></aff><aff xml:lang="en"><institution>Belarusian State Medical University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>25</day><month>01</month><year>2026</year></pub-date><volume>9</volume><issue>2</issue><fpage>2604</fpage><lpage>2610</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Климов М.А., Постоялко А.С., Сивак С.А., Постоялко С.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Климов М.А., Постоялко А.С., Сивак С.А., Постоялко С.А.</copyright-holder><copyright-holder xml:lang="en">Klimau M.A., Pastayalka A.S., Sivak S.A., Pastayalka S.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://emcardio.bsmu.by/jour/article/view/320">https://emcardio.bsmu.by/jour/article/view/320</self-uri><abstract><sec><title>Цель</title><p>Цель: оценить эффективность и безопасность эксимерлазерной коронарной ангиопластики (ЭЛКА) в сравнении со стандартной реканализацией хронических тотальных окклюзий (ХТО) при рутинной внутрисосудистой визуализации методом оптической когерентной томографии (ОКТ) и оценке функции миокарда методом speckle-tracking.</p></sec><sec><title>Материал и методы</title><p>Материал и методы: в одноцентровое исследование включены 36 пациентов, которым выполнена ЭЛКА, и 22 пациента контрольной группы без применения лазера. Оценивались технический успех, параметры ОКТ (площадь просвета артерии в проекции стента, аппозиция), динамика изменения глобальной продольной деформации (GLS) и фракции выброса (ФВ) левого желудочка (ЛЖ), клинические исходы (MACE) за 12 месяцев.</p></sec><sec><title>Результаты</title><p>Результаты: ЭЛКА обеспечила большую площадь стента (MSA), меньшую частоту неоптимальной позиции стента (аппозиции) и более выраженное улучшение GLS и ФВ ЛЖ; профиль безопасности сопоставим.</p></sec><sec><title>Вывод</title><p>Вывод: ЭЛКА с ОКТ-навигацией улучшает геометрию имплантации стента и функциональное восстановление ЛЖ по сравнению с традиционной техникой без использования лазера.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim: To compare the safety and efficacy of excimer laser coronary angioplasty (ELCA) versus conventional CTO-PCI under routine OCT guidance and speckle-tracking echocardiography.</p></sec><sec><title>Materials and methods</title><p>Materials and methods: a single-center cohort study included 36 ELCA patients and 22 controls without laser. The endpoints included technical success, OCT parameters (MSA, apposition), changes in GLS and LVEF, and a 12-month MACE.</p></sec><sec><title>Results</title><p>Results: ELCA yielded a larger stent area, a lower malapposition, and greater improvements in GLS and LVEF with comparable safety.</p></sec><sec><title>Conclusion</title><p>Conclusion: OCT-guided ELCA improves stent geometry and LV functional recovery compared with non-laser CTO-PCI.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>хроническая тотальная окклюзия</kwd><kwd>эксимерлазерная ангиопластика</kwd><kwd>оптическая когерентная томография</kwd><kwd>спекл‑трекинг</kwd><kwd>деформация миокарда</kwd><kwd>фракция выброса</kwd><kwd>MACE</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chronic total occlusion</kwd><kwd>excimer laser</kwd><kwd>percutaneous coronary intervention</kwd><kwd>optical coherence tomography</kwd><kwd>speckle‑tracking</kwd><kwd>global longitudinal strain</kwd><kwd>MACE</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">Knuuti J., Wijns W., Saraste A., et al. 2019 ESC Guidelines for the diagnosis and management of chronic coronary syndromes. 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