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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Science and Innovations in Medicine</journal-id><journal-title-group><journal-title xml:lang="en">Science and Innovations in Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Наука и инновации в медицине</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2500-1388</issn><issn publication-format="electronic">2618-754X</issn><publisher><publisher-name xml:lang="en">FSBEI of Higher Education SamSMU of Ministry of Health of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">110745</article-id><article-id pub-id-type="doi">10.35693/2500-1388-2022-7-3-164-169</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Cardiology</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Кардиология</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Extrasystoles: relationship with arterial thromboembolic complications</article-title><trans-title-group xml:lang="ru"><trans-title>Экстрасистолия: взаимосвязь с развитием артериальных тромбоэмболических осложнений</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4833-4563</contrib-id><name-alternatives><name xml:lang="en"><surname>Germanova</surname><given-names>Olga A.</given-names></name><name xml:lang="ru"><surname>Германова</surname><given-names>О. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Organ function test doctor, Functional Diagnostics Department, Clinics of SamSMU</p></bio><bio xml:lang="ru"><p>канд. мед. наук, врач функциональной диагностики отделения функциональной диагностики Клиник СамГМУ</p></bio><email>olga_germ@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0367-7776</contrib-id><name-alternatives><name xml:lang="en"><surname>Germanov</surname><given-names>Andrei V.</given-names></name><name xml:lang="ru"><surname>Германов</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Associate professor, Chair of Introduction to internal medicine</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент кафедры пропедевтической терапии</p></bio><email>a.v.germanov@samsmu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0387-8356</contrib-id><name-alternatives><name xml:lang="en"><surname>Shchukin</surname><given-names>Yurii V.</given-names></name><name xml:lang="ru"><surname>Щукин</surname><given-names>Ю. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Professor, Head of the Chair of Introduction to internal medicine</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор, заведующий кафедрой пропедевтической терапии</p></bio><email>samgmu_pt@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Samara State Medical University</institution></aff><aff><institution xml:lang="ru">ФГОУ ВО «Самарский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-09-04" publication-format="electronic"><day>04</day><month>09</month><year>2022</year></pub-date><volume>7</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>164</fpage><lpage>169</lpage><history><date date-type="received" iso-8601-date="2022-09-03"><day>03</day><month>09</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-09-03"><day>03</day><month>09</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Germanova O.A., Germanov A.V., Shchukin Y.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Германова О.А., Германов А.В., Щукин Ю.В.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Germanova O.A., Germanov A.V., Shchukin Y.V.</copyright-holder><copyright-holder xml:lang="ru">Германова О.А., Германов А.В., Щукин Ю.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://innoscience.ru/2500-1388/article/view/110745">https://innoscience.ru/2500-1388/article/view/110745</self-uri><abstract xml:lang="en"><p><bold>Aim </bold>– to determine the relationship between extrasystoles (ES) and the development of arterial thromboembolic complications.</p> <p><bold>Material and methods.</bold> The study included 440 patients with ES 700 or more per 24 hours, control group – 88 people with ES less than 700. All patients underwent laboratory and instrumental examinations: lipid spectrum, hemostasis indicators; 24-hours ECG monitoring; echocardiography (EchoCG); Doppler ultrasound and digital sphygmography (SG) of the main arteries; ultrasound of the aorta branches, renal arteries. According to the indications, the patients were administered: stress EchoCG with physical exercises, coronary angiography, pancerebral angiography, renal arteries angiography, computed tomography, magnetic resonance imaging of the brain. All patients of the main group were divided into 2 subgroups, depending on the moment of occurrence of ES ventricular systole in the cardiocycle, regardless of the ectopic center: subgroup A (120) – patients with ES before the peak of transmitral blood flow; subgroup B (320) – after the peak of the transmitral blood flow. Patients were observed during 1 year and the development of arterial thromboembolic events was analyzed.</p> <p><bold>Results.</bold> According to the main clinical, laboratory and instrumental data, patients of subgroups A, B and the control group were equivalent. Also, during 1 year follow-up, a significantly higher development of arterial thromboembolic events was observed in subgroup A. When comparing the linear blood flow velocity and volumetric blood flow, there was a significant increase in parameters during the spreading of the first post-extrasystolic contraction wave. A similar trend was observed in the parameters of the kinetics of the arterial vascular wall (velocity, acceleration, power, work).</p> <p><bold>Conclusion.</bold> Extrasystoles are an additional risk factor for arterial thromboembolic events. The main danger is not the ES itself, but the wave of the first post-extrasystolic contraction, which can become the starting point for the instability of atherosclerotic plaques, leading to tears, parietal thrombosis, and embolism along the arterial vessel.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель </bold>– определить, существует ли взаимосвязь между ЭС и развитием артериальных тромбоэмболических осложнений.</p> <p><bold>Материал и методы. </bold>В исследование вошли 440 пациентов c ЭС 700 и более в сутки, контроль – 88 человек с ЭС менее 700 в сутки. Всем пациентам выполнялись лабораторные и инструментальные исследования: липидный спектр показатели гемостаза; суточное мониторирование ЭКГ; эхокардиография (ЭхоКГ); ультразвуковая допплерография и цифровая сфигмография магистральных артерий; УЗДГ ветвей аорты, почечных артерий. По показаниям – стресс ЭхоКГ с велоэргометрией, коронарная ангиография, панцеребральная ангиография, ангиография почечных артерий, компьютерная томография, магнитно-резонансная томография головного мозга. Все пациенты основной группы были распределены на 2 подгруппы в зависимости от момента возникновения систолы желудочков ЭС в кардиоцикле, вне зависимости от эктопического центра: подгруппа А (120) – больные с ЭС до пика трансмитрального кровотока; подгруппа Б (320) – после пика трансмитрального кровотока. Проводились наблюдение за пациентами в течение 1 года и анализ развития артериальных тромбоэмболических событий.</p> <p><bold>Результаты.</bold> По основным клиническим, лабораторным и инструментальным данным пациенты подгрупп А, Б и контрольной группы были сопоставимы. При этом в течение 1 года наблюдалось статистически достоверно более высокое развитие артериальных тромбоэмболических событий в подгруппе А. При сравнении линейной скорости кровотока и объемного кровотока происходило достоверное возрастание параметров при прохождении волны первого постэкстрасистолического сокращения. Подобная тенденция прослеживалась и при анализе параметров кинетики артериальной сосудистой стенки (скорость, ускорение, мощность, работа).</p> <p><bold>Заключение.</bold> ЭС – дополнительный фактор риска артериальных тромбоэмболических событий. Наибольшую опасность представляет не сама ЭС, а волна первого постэкстрасистолического сокращения, которая может стать пусковым моментом нестабильности атеросклеротических бляшек, приводя к надрывам, пристеночному тромбозу, эмболиям по ходу артериального сосуда.</p></trans-abstract><kwd-group xml:lang="en"><kwd>thromboembolic events</kwd><kwd>extrasystoles</kwd><kwd>arterial hemodynamics</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>тромбоэмболические осложнения</kwd><kwd>экстрасистолия</kwd><kwd>гемодинамика артерий</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Kleindorfer DO, Towfighi A, Chaturvedi S, et al. 2021 Guideline for the Prevention of Stroke in Patients With Stroke and Transient Ischemic Attack: A Guideline From the American Heart Association/American Stroke Association. 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