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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">pirogovestnik</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Национального медико-хирургического центра им. Н.И. Пирогова</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Pirogov National Medical &amp; Surgical Center</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-8255</issn><issn pub-type="epub">2782-3628</issn><publisher><publisher-name>Национальный медико-хирургический Центр им. Н.И. Пирогова</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25881/20728255_2026_21_3_168</article-id><article-id custom-type="elpub" pub-id-type="custom">pirogovestnik-672</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>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE REPORTS</subject></subj-group></article-categories><title-group><article-title>СПАЗМ КОРОНАРНОЙ АРТЕРИИ И НЕДОРАСКРЫТИЕ СТЕНТА КАК ПРИЧИНЫ РЕЦИДИВА ОСТРОГО КОРОНАРНОГО СИНДРОМА БЕЗ ПОДЪЕМА СЕГМЕНТА ST: РОЛЬ ВНУТРИСОСУДИСТОГО УЛЬТРАЗВУКОВОГО ИССЛЕДОВАНИЯ И ИНТРАКОРОНАРНЫХ ВАЗОДИЛАТАТОРОВ</article-title><trans-title-group xml:lang="en"><trans-title>CORONARY ARTERY SPASM AND STENT UNDEREXPANSION AS A CAUSE OF RECURRENT ACUTE CORONARY SYNDROME WITHOUT ST SEGMENT ELEVATION: THE ROLE OF INTRAVASCULAR ULTRASOUND AND INTRACORONARY VASODILATORS</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>Мирзахамдамов</surname><given-names>Ж. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mirzakhamdamov</surname><given-names>Zh. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">westwoodjsr@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>Катков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Katkov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самочатов</surname><given-names>Д. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Samochatov</surname><given-names>D. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</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>Аракелов</surname><given-names>С. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Arakelov</surname><given-names>S. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</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>Маслинков</surname><given-names>К. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Maslinkov</surname><given-names>K. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</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>Трошина</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Troshina</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБУЗ «ГКБ им. В.П. Демихова»;&#13;
ФГБУ «Национальный медико-хирургический Центр им. Н.И. Пирогова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>City Hospital named after V.P. Demikhov;&#13;
Pirogov National Medical and Surgical Center</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБУ «Национальный медико-хирургический Центр им. Н.И. Пирогова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pirogov National Medical and Surgical Center</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ГБУЗ «ГКБ им. В.П. Демихова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>City Hospital named after V.P. Demikhov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>03</day><month>09</month><year>2026</year></pub-date><volume>21</volume><issue>3</issue><fpage>168</fpage><lpage>171</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мирзахамдамов Ж.М., Катков А.А., Самочатов Д.Н., Аракелов С.Э., Маслинков К.И., Трошина А.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Мирзахамдамов Ж.М., Катков А.А., Самочатов Д.Н., Аракелов С.Э., Маслинков К.И., Трошина А.А.</copyright-holder><copyright-holder xml:lang="en">Mirzakhamdamov Z.M., Katkov A.A., Samochatov D.N., Arakelov S.E., Maslinkov K.I., Troshina A.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://submit.pirogov-vestnik.ru/jour/article/view/672">https://submit.pirogov-vestnik.ru/jour/article/view/672</self-uri><abstract><sec><title>Введение</title><p>Введение. Острый коронарный синдром без подъёма сегмента ST (ОКСбпST) у пациентов с ранее имплантированными стентами требует прецизионной рентгенэндоваскулярной тактики. Спазм коронарной артерии и неоптимальное раскрытие стента входят в число ключевых факторов, определяющих как ангиографические, так и клинические исходы чрескожного коронарного вмешательства (ЧКВ).</p><p>Представлено клиническое наблюдение лечения пациента Т., 50 лет, поступившего с клиникой ОКСбпST через 3 года после ранее выполненного стентирования правой коронарной артерии (ПКА) и огибающей ветви левой коронарной артерии (ОВ ЛКА). По данным коронарографии выявлена окклюзия стента ПКА в средней и дистальной трети. После реканализации и баллонной ангиопластики зафиксирован выраженный спазм артерии, существенно искажающий её истинный диаметр. Внутрисосудистое ультразвуковое исследование (ВСУЗИ) показало недостаточное раскрытие ранее имплантированного стента и неоптимальное соответствие его размера диаметру сосуда. После интракоронарного введения 100 мкг нитроглицерина и ВСУЗИ-навигации выполнено стентирование ПКА и задней межжелудочковой ветви (ЗМЖВ) тремя стентами с лекарственным покрытием с последующей постдилатацией некомплаенс-баллоном. Контрольное ВСУЗИ подтвердило оптимальное раскрытие стентов на всём протяжении; финальный антеградный кровоток – TIMI 3.</p></sec><sec><title>Заключение</title><p>Заключение. Сочетанное применение интракоронарных вазодилататоров и ВСУЗИ позволяет дифференцировать причины окклюзии ранее имплантированного стента, корректно подобрать размер устройства, исключить артефакты ангиографической оценки, обусловленные коронароспазмом, и достичь оптимального результата ЧКВ. Наблюдение подтверждает целесообразность рутинного применения внутрисосудистой визуализации при сложных повторных вмешательствах.</p></sec></abstract><trans-abstract xml:lang="en"><p>Non-ST-segment elevation acute coronary syndrome (NSTE-ACS) in patients with previously implanted stents require a precise interventional approach. Coronary artery spasm and suboptimal stent deployment are key factors determining both angiographic and clinical outcomes of percutaneous coronary intervention (PCI).</p><p>We present a clinical case of treatment of patient T., 50 years old, admitted with the clinical picture of NSTE-ACS 3 years after previous stenting of the right coronary artery (RCA) and the circumflex branch of the left coronary artery (CXL). Coronary angiography revealed occlusion of the RCA stent in the middle and distal thirds. After recanalization and balloon angioplasty, severe spasm of the artery was recorded, significantly distorting its true diameter. Intravascular ultrasound (IVUS) showed insufficient expansion of the previously implanted stent and suboptimal compliance of its size with the vessel diameter. After intracoronary 100 mcg nitroglycerin and IVUS navigation, stenting of the RCA and posterior interventricular branch (PIV) was performed with three drug-eluting stents, followed by postdilation with a non-compliant balloon. Control IVUS confirmed optimal expansion of the stents along their entire length; final antegrade blood flow TIMI 3.</p><p>Conclusion. The combined use of intracoronary vasodilators and IVUS allows for differentiation of the causes of previously implanted stent occlusion, appropriate device size selection, elimination of angiographic artifacts caused by coronary spasm, and optimal PCI outcomes. This observation confirms the feasibility of routine intravascular imaging in complex reoperations.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>чрескожное коронарное вмешательство</kwd><kwd>острый коронарный синдром без подъёма сегмента ST</kwd><kwd>спазм коронарной артерии</kwd><kwd>внутрисосудистое ультразвуковое исследование (ВСУЗИ)</kwd><kwd>интракоронарный нитроглицерин</kwd><kwd>реокклюзия стента</kwd><kwd>оптимизация стентирования</kwd></kwd-group><kwd-group xml:lang="en"><kwd>percutaneous coronary intervention</kwd><kwd>non-ST-segment elevation acute coronary syndrome</kwd><kwd>coronary artery spasm</kwd><kwd>intravascular ultrasound (IVUS)</kwd><kwd>intracoronary nitroglycerin</kwd><kwd>stent reocclusion</kwd><kwd>stent optimization</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">Byrne RA, Rossello X, Coughlan JJ, et al. 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