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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">10.29001/2073-8552-2019-34-2-71-78</article-id><article-id custom-type="elpub" pub-id-type="custom">cardiotomsk-763</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>ОСТРЫЙ КОРОНАРНЫЙ СИНДРОМ БЕЗ ОБСТРУКТИВНОГО ПОРАЖЕНИЯ КОРОНАРНЫХ АРТЕРИЙ: ТЯЖЕСТЬ КОРОНАРНОГО АТЕРОСКЛЕРОЗА И НАРУШЕНИЙ МИОКАРДИАЛЬНОЙ ПЕРФУЗИИ (ПИЛОТНОЕ ИССЛЕДОВАНИЕ)</article-title><trans-title-group xml:lang="en"><trans-title>ACUTE CORONARY SYNDROME WITH NONOBSTRUCTIVE CORONARY ARTERIES: THE SEVERITY OF CORONARY ATHEROSCLEROSIS AND MYOCARDIAL PERFUSION DISORDERS (PILOT 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/0000-0001-6425-8949</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>аспирант отделения неотложной кардиологии</p><p>634012, Российская Федерация, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Postgraduate Student, Department of Emergency Cardiology</p><p>111a, Kievskaya str., Tomsk, 634012, Russian Federation</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/0000-0003-0883-466X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мочула</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mochula</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. мед. наук, врач-рентгенолог лаборатории радионуклидных методов исследования</p><p>634012, Российская Федерация, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Cand. Sci. (Med.), Radiologist, Department of Nuclear Medicine</p><p>111a, Kievskaya str., Tomsk, 634012, Russian Federation</p></bio><email xlink:type="simple">mochula.andrew@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/0000-0002-8163-1618</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баев</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Baev</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. мед. наук, заведующий отделением рентгенохирургических методов диагностики и лечени </p><p>634012, Российская Федерация, Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Cand. Sci. (Med.), Chief of the Department of Invasive Cardiology</p><p>111a, Kievskaya str., Tomsk, 634012, Russian Federation</p></bio><email xlink:type="simple">stent111@mail.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/0000-0002-4358-7329</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рябов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryabov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р мед. наук, заведующий отделением неотложной кардиологии; профессор кафедры кардиологии ФПК и ППС </p><p>634012, Российская Федерация, Томск, ул. Киевская, 111а</p><p>634050, Российская Федерация, Томск, Московский тракт, 2</p><p> </p></bio><bio xml:lang="en"><p>Dr. Sci. (Med.), Head of the Department of Emergency Cardiology; Professor of the Department of Advanced Training and Professional Development</p><p>111a, Kievskaya str., Tomsk, 634012, Russian Federation</p><p>2, Moskovsky tract, Tomsk, 634050, Russian Federation</p></bio><email xlink:type="simple">rvvt@cardio-tomsk.ru</email><xref ref-type="aff" rid="aff-2"/></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 Centre, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский институт кардиологии, Томский национальный исследовательский медицинский центр Российской академии наук&#13;
Сибирский государственный медицинский университет Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Cardiology Research Institute, Tomsk National Research Medical Centre, Russian Academy of Sciences&#13;
Siberian State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>09</day><month>07</month><year>2019</year></pub-date><volume>34</volume><issue>2</issue><fpage>71</fpage><lpage>78</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Воробьева Д.А., Мочула А.В., Баев А.Е., Рябов В.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Воробьева Д.А., Мочула А.В., Баев А.Е., Рябов В.В.</copyright-holder><copyright-holder xml:lang="en">Vorobeva D.A., Mochula A.V., Baev A.E., Ryabov V.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/763">https://www.sibjcem.ru/jour/article/view/763</self-uri><abstract><p>Цель исследования: изучить структурно-функциональное состояние коронарных артерий (КА) у пациентов с инфарктом миокарда без обструктивного поражения коронарных артерий (MINOCA) с помощью мультиспиральной компьютерной томографии (МСКТ), однофотонной эмиссионной компьютерной томографии сердца (ОЭКТ), а также сравнить данные МСКТ и инвазивной коронарной ангиографии (иКАГ).Материал и методы. Проводимое исследование является нерандомизированным, открытым, контролируемым. Зарегистрировано на СlinicalTrials.gov: NCT03572023. Критерии включения указаны на сайте.Результаты. В исследование включены 14 пациентов с MINOCA. В группе преобладали женщины – 11 (78,6%) человек, средний возраст составил 61 год. Риск по шкале GRACE был высоким у 5 (35,7%), умеренным у 8 (57,1%) пациентов. В течение первых 6 ч от начала заболевания госпитализированы 85,7% больных. Тромболитическая терапия проведена 3 (21,4%) пациентам, из них у 2 она была эффективной (14,2%). По результатам иКАГ у 9 (64,2%) человек выявлены интактные КА, у 5 (35,7%) стенозы до 50%. Замедление коронарного кровотока (ЗКК) определялось у 11 (78,6%) пациентов, из них 8 (73%) человек имели ЗКК и интактные КА. Выраженный спазм был зарегистрирован у 1 (7,1%) пациента в группе с острым коронарным синдромом с подъемом сегмента ST (ОКСпST). Согласно данным МСКТ, доля пациентов с интактными КА уменьшилась 7 (50%) против 5 (35,7%), а доля пациентов с нестенозирующим атеросклерозом увеличилась – 7 (50%) против 9 (64,3%). Выявлено 26 атеросклеротических бляшек, 76% из них расположены эксцентрически, 11,5% – циркулярно, 11,5% – полуциркулярно. По морфологической структуре 59,5% бляшек были кальцинированными, 3,8% – преимущественно кальцинированными, 7,7% – преимущественно мягкотканными, 29% – мягкотканными. Нормальная миокардиальная перфузия (Summed Stress Score и Summed Rest Score SSS и SRS&lt;4) была выявлена у 2 пациентов (14,3%); 12 пациентов (85%) имели преходящие дефекты перфузии. Медианные значения SSS составили 7,7 (4; 13), SRS 4,7 (0;6,0), Summed Difference Score (SDS) 4,5 (3,0; 7,0).Выводы. Таким образом, внедрение в алгоритм обследования МСКТ КА и ОЭКТ у пациентов с MINOCA является безопасным при дополнительном использовании во время индексной госпитализации, способствует получению новой информации о структуре и функции КА. Это обосновывает продолжение исследования на большей группе больных для определения прогностической значимости выявления бляшек с признаками нестабильности у этой категории пациентов.</p></abstract><trans-abstract xml:lang="en"><p>Aim. To study the structural and functional status of coronary blood flow in patients with acute coronary syndrome with nonobstructive coronary arteries using multispiral computed tomography (MSCT) and single photon emission tomography (SPECT) and to compare data of MSCT and invasive coronary angiography (ICA).Material and Methods. This study is a non-randomized, open-label, controlled clinical trial. The study is registered on ClinicalTrials.gov. The inclusion criteria are listed on the site. All patients underwent CT and SPECT.Results. The study included 14 patients with MINOCA; the group comprised predominantly women (n=11, 78.6%); the average age was 61.1±14 years. The risk according to GRACE (Global Registry of Acute Coronary Events) risk score was moderate in 8 patients (57%) and high in 5 patients (35.7%). 85.7% of patients were admitted to hospital within the first six hours from onset of diseases. Three patients (21.4%) received thrombolytic therapy and it was effective in two of them (14%). Risk factors included hypertension (64.2%), dyslipidemia (50%), and burdened history (71.4). According to the results of invasive coronary angiography, intact coronary arteries were detected in 9 patients (64.3%); 5 patients (35.7%) had stenosis up to 50%. Coronary slow-flow phenomenon (TIMI 2) was detected in 11 patients (78.6%) including 8 patients (57.1%) who had coronary slow-flow phenomenon and intact coronary arteries. Severe coronary spasm was registered in 1 patient (7.1%) in the group with ST segment elevation acute coronary syndrome (STE ACS). According to MSCT data, the proportion of patients with intact coronary arteries decreased from 7 (50%) to 5 patients (35.7%) whereas the proportion of patients with nonstenosing atherosclerosis increased from 7 (50%) to 9 patients (64.3%). Twenty six atherosclerotic plaques were detected including eccentric (76%), circular (11.5%), and semi-circular plaques (11.5%). In regard to morphological structure, the atherosclerotic plaques were calcified (59.5%), mostly calcified (7.7%), and soft (29%). Normal myocardial perfusion (Summed Stress Score (SSS) and Summed Rest Score (SRS) &lt;4) was detected in two patients (14.3%); 12 patients (85%) had transitory perfusion defects. The median score values were 7.5 (4; 13) for SSS, 4.7 (1.0; 9.0) for SRS, and 4.7 (3.0; 8.0) for SDS.Conclusion. The introduction of MCTA and SPECT into the algorithm of the examination of patients with acute myocardial infarction and non-obstructive atherosclerosis of the coronary arteries was safe when additionally used during index hospitalization. These approaches provided new information about the structure and function of the coronary arteries. These data provide rationale for further study using a larger group of patients to determine a prognostic significance of detecting the atherosclerotic plaques with the signs of instability in this patient category.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>необструктивный атеросклероз коронарных артерий</kwd><kwd>инфаркт миокарда без обструктивного поражения коронарных артерий</kwd><kwd>мультиспиральная компьютерная томография</kwd><kwd>однофотонная эмиссионная компьютерная томография сердца</kwd></kwd-group><kwd-group xml:lang="en"><kwd>non-obstructive coronary artery atherosclerosis</kwd><kwd>myocardial infarction with non-obstructive coronary arteries</kwd><kwd>multispiral computed tomography</kwd><kwd>single photon emission tomography</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">Ibanez B., James S., Agewall S., Antunes M.J., Bucciarelli-Ducci C., Bueno H., et al. 2017 ESC guidelines for the management of acute myocardial infarction in patients presenting with ST-segment elevation: The Task Force for the management of acute myocardial infarction in patients presenting with ST-segment elevation of the European Society of Cardiology (ESC). 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