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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">cardiotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский журнал клинической и экспериментальной медицины</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian Journal of Clinical and Experimental Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2713-2927</issn><issn pub-type="epub">2713-265X</issn><publisher><publisher-name>TSU publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29001/2073-8552-2021-36-4-77-86</article-id><article-id custom-type="elpub" pub-id-type="custom">cardiotomsk-1357</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 ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Магнитно-резонансная оценка распространенности ишемического паттерна повреждения сердца у пациентов с острым инфарктом миокарда в зависимости от наличия обструктивного поражения коронарных артерий</article-title><trans-title-group xml:lang="en"><trans-title>The prevalence of ischemic pattern of heart damage in patients with acute myocardial infarction depending on the presence of obstructive coronary artery disease: Magnetic resonance study</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7502-7502</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мочула</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mochula</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. мед. наук, научный сотрудник, отделение рентгеновских и томографических методов диагностики, </p><p>634012, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Cand. Sci. (Med.), Research Scientist, Department of Radiology and Tomography, </p><p>111a, Kievskaya str., Tomsk, 634012</p></bio><email xlink:type="simple">mochula.olga@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/0000-0001-6425-8949</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воробьева</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorobeva</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник, отделение неотложной кардиологии, </p><p>634012, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Junior Research Scientist, Department of Emergency Cardiology,</p><p>111a, Kievskaya str., Tomsk, 634012</p></bio><email xlink:type="simple">darya.lipnyagova@yandex.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/0000-0001-7978-5514</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Усов</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Ussov</surname><given-names>W. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р мед. наук, ведущий научный сотрудник, отделение рентгеновских и томографических методов диагностики,</p><p>634012, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Dr. Sci. (Med.), Leading Research Scientist, Department of Radiology and Tomography,</p><p>111a, Kievskaya str., Tomsk, 634012</p></bio><email xlink:type="simple">ussov1962@yandex.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/0000-0002-1513-8614</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Завадовский</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zavadovsky</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р мед. наук, заведующий отделом лучевой диагностики, </p><p>634012, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Dr. Sci. (Med.), Head of Division of Radiology, </p><p>111a, Kievskaya str., Tomsk, 634012</p></bio><email xlink:type="simple">Konstz@cardio-tomsk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт кардиологии, Томский национальный исследовательский медицинский центр Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>07</day><month>04</month><year>2022</year></pub-date><volume>37</volume><issue>1</issue><fpage>77</fpage><lpage>86</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мочула О.В., Воробьева Д.А., Усов В.Ю., Завадовский К.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Мочула О.В., Воробьева Д.А., Усов В.Ю., Завадовский К.В.</copyright-holder><copyright-holder xml:lang="en">Mochula O.V., Vorobeva D.A., Ussov W.Y., Zavadovsky K.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.sibjcem.ru/jour/article/view/1357">https://www.sibjcem.ru/jour/article/view/1357</self-uri><abstract><p>На сегодняшний день фактически не представлены работы, которые посвящены анализу различных типов повреждения ишемического и неишемического паттернов у пациентов с острым инфарктом миокарда (ОИМ) в зависимости от характера атеросклеротического поражения коронарного русла.</p><sec><title>Цель настоящей работы</title><p>Цель настоящей работы: оценка частоты ишемического паттерна повреждения сердца у пациентов с ОИМ в зависимости от наличия обструктивного поражения коронарных артерий (КА).</p></sec><sec><title>Материал и методы</title><p>Материал и методы. В исследование ретроспективно были включены пациенты с рабочим диагнозом острого коронарного синдрома (ОКС), которым была проведена магнитно-резонансная томография (МРТ) сердца с контрастированием в течение первой недели после госпитализации. Сканирование выполняли на томографе c напряженностью магнитного поля 1,5 Тл. Протокол включал стандартные импульсные последовательности. На Т2- взвешенных изображениях (ВИ), Т1-ВИ и в IR-режиме на изображениях визуально оценивали наличие отека и рубца/некроза соответственно. Паттерн острого ишемического повреждения миокарда левого желудочка (ЛЖ) представлял собой усиление интенсивности сигнала на Т2-ВИ как признак отека миокарда, отсроченное контрастирование (ОК) с типичным ишемическим характером контрастирования – как признак субэндокардиального/субтрансмурального/трансмурального характера повреждения миокарда. Некоронарогенный характер повреждения миокарда определялся как интрамиокардиальное/субэпикардиальное ОК.</p></sec><sec><title>Результаты</title><p>Результаты. На основе данных коронарной ангиографии (иКАГ) пациенты были разделены на две группы: пациенты с ОИМ с ангиографически значимым стенозом КА (MICAD), пациенты с ОИМ с необструктивным поражением КА (MINOCA). Было выявлено, что частота встречаемости субэндокардиального паттерна ОК сердца при ранней МРТ не различается в группах пациентов с ОИМ на фоне обструктивного и необструктивного поражения КА. Для пациентов с MICAD наиболее характерным магнитно-резонансным (МР) паттерном было трансмуральное ОК, в том числе в сочетании с микроваскулярной обструкцией (МВО). Для пациентов с MINOCA наиболее характерным МР-паттерном было интрамиокардиальное мелкоочаговое/очаговое ОК. Субэпикардиальное ОК с равной частотой встречалось у пациентов с MICAD и MINOCA.</p></sec><sec><title>Выводы</title><p>Выводы. Наиболее патогномоничным МР-паттерном повреждения миокарда при ОИМ на фоне обструктивного поражения КА является трансмуральный тип ОК с феноменом МВО или без него. Выявление субэндокардиального типа ОК у пациентов с ОИМ без обструктивного поражения КА позволяет стратифицировать данных пациентов в более высокую группу риска с дальнейшим изменением тактики лечения. </p></sec></abstract><trans-abstract xml:lang="en"><p>Currently, there are practically no works that are devoted to the analysis of different types of damage to ischemic and nonischemic patterns in patients with acute myocardial infarction (AMI), depending on the nature of atherosclerotic lesions of the coronary arteries.</p><p>In this regard, the aim of this work was to evaluate the frequency of ischemic pattern of heart damage in patients with AMI depending on the presence of obstructive coronary artery disease.</p><sec><title>Material and Methods</title><p>Material and Methods. The study retrospectively included patients with a working diagnosis of acute coronary syndrome (ACS) who underwent contrast-enhanced cardiac magnetic resonance (MR) imaging (CMR) during the first week after hospitalization. A 1.5 T CMR was performed using a standard protocol. T2-WI, T1-WI, and IR-images were visually assessed for edema and scar/necrosis, respectively. The pattern of acute ischemic damage to the left ventricular (LV) myocardium was an increase in the signal intensity on T2-WI as a sign of myocardial edema and late gadolinium enhancement (LGE) with a typical ischemic nature of contrast enhancement: subendocardial/subtransmural/transmural. The non-ischemic nature of myocardial injury was defined as intramyocardial/subepicardial LGE.</p></sec><sec><title>Results</title><p>Results. Based on invasive coronary angiography (ICA) data, patients were divided into two groups: group of myocardial infarction (MI) and coronary artery disease (MICAD group) and group of MI and non-obstructive coronary arteries (MINOCA group). It was found that the frequencies of occurrence of subendocardial pattern of cardiac LGE in early CMR did not differ in the groups of AMI patients against the background of obstructive and non-obstructive coronary artery disease (CAD). The most characteristic MR-pattern in MICAD patients was transmural LGE, including that in combination with microvascular obstruction (MVO). The most characteristic MR-pattern in MINOCA patients was mid-wall/insertion point LGE. Subepicardial LGE occurred with equal frequency in MICAD and MINOCA patients.</p></sec><sec><title>Conclusion</title><p>Conclusion. The most pathognomonic MR-pattern of myocardial damage in AMI against the background of obstructive CAD was the transmural type of LGE with or without the phenomenon of MVO. Identification of the subendocardial type of LGE in patients with MINOCA allowed to stratify these patients into a higher risk group with a further change in treatment tactics. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>МРТ сердца с контрастированием</kwd><kwd>острый коронарный синдром</kwd><kwd>MICAD</kwd><kwd>MINOCA</kwd><kwd>отсроченное контрастирование</kwd><kwd>субэндокардиальный</kwd><kwd>трансмуральный</kwd><kwd>интрамиокардиальный характер повреждения миокарда</kwd></kwd-group><kwd-group xml:lang="en"><kwd>contrast-enhanced CMR</kwd><kwd>acute coronary syndrome</kwd><kwd>MICAD</kwd><kwd>MINOCA</kwd><kwd>LGE</kwd><kwd>subendocardial</kwd><kwd>transmural</kwd><kwd>mid-wall pattern of myocardial damage</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">Барбараш О.Л., Дупляков Д.В., Затейщиков Д.А., Панченко Е.П., Шахнович Р.М., Явелов И.С. и др. 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