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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">therapeutic</journal-id><journal-title-group><journal-title xml:lang="ru">Южно-Российский журнал терапевтической практики</journal-title><trans-title-group xml:lang="en"><trans-title>South Russian Journal of Therapeutic Practice</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2712-8156</issn><issn pub-type="epub">3033-8344</issn><publisher><publisher-name>РостГМУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21886/2712-8156-2024-5-2-48-57</article-id><article-id custom-type="elpub" pub-id-type="custom">therapeutic-494</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 ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Острый инфаркт миокарда у пациентов с сопутствующим гипотиреозом: особенности клиники и вариабельности ритма сердца в период стационарного лечения</article-title><trans-title-group xml:lang="en"><trans-title>Acute myocardial infarction in patients with concomitant hypothyroidism: clinical features and heart rate variability during inpatient treatment</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8331-945X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гриднева</surname><given-names>Ю. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Gridneva</surname><given-names>Yu. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гриднева Юлия Юрьевна - аспирант кафедры внутренних болезней № 1 ФГБОУ ВО «Ростовский ГМУ» Минздрава России, врач-кардиолог кардиологического отделения №1 ГБУ РО «Ростовская ОКБ».</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Yulia Yu. Gridneva - postgraduate student of the Department of Internal Diseases No. 1 of the Rostov SMU of the Ministry of Health of the RF, cardiologist of the Cardiology Department No. 1 of the Rostov RCH.</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">gridulyayalia@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/0000-0002-9323-592X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чесникова</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Chesnikova</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна Ивановна Чесникова - д. м. н., профессор, заведующая кафедрой внутренних болезней № 1.</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Anna I. Chesnikova - Dr. Sci. (Med.), Professor, Head of the Department of Internal Diseases No. 1.</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">rostov-ossn@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6965-5019</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сафроненко</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Safronenko</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виктория Александровна Сафроненко - к. м. н., доцент кафедры внутренних болезней № 1.</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Victoria A. Safronenko - Cand. Sci. (Med.), Associate Professor of the Department of Internal Diseases No. 1.</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">v.chugunova@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-6303-3718</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воронова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Voronova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воронова Анна Владимировна - врач ультразвуковой диагностики отделения ультразвуковой диагностики.</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Anna V. Voronova - ultrasound diagnostics doctor at the Ultrasound Diagnostics Department.</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">vornutta@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Ростовский государственный медицинский университет» Минздрава России; ГБУ РО «Ростовская областная клиническая больница»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rostov State Medical University; Rostov Regional Clinical Hospital</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Ростовский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rostov State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ГБУ РО «Ростовская областная клиническая больница»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rostov Regional Clinical Hospital</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>24</day><month>06</month><year>2024</year></pub-date><volume>5</volume><issue>2</issue><fpage>48</fpage><lpage>57</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гриднева Ю.Ю., Чесникова А.И., Сафроненко В.А., Воронова А.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Гриднева Ю.Ю., Чесникова А.И., Сафроненко В.А., Воронова А.В.</copyright-holder><copyright-holder xml:lang="en">Gridneva Y.Y., Chesnikova A.I., Safronenko V.A., Voronova A.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.therapeutic-j.ru/jour/article/view/494">https://www.therapeutic-j.ru/jour/article/view/494</self-uri><abstract><sec><title>Цель</title><p>Цель: оценить особенности клинического течения, а также вариабельности ритма сердца (ВРС) в период стационарного лечения у пациентов с инфарктом миокарда с подъёмом сегмента ST (ИМпST) и сопутствующим впервые выявленным гипотиреозом.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы: в исследование включили 133 пациента с ИМпST в возрасте от 40 до 88 лет, поступивших в кардиологическое отделение. В зависимости от наличия впервые выявленного синдрома гипотиреоза всех больных распределили в 3 группы: 1-ю группу составили пациенты с ИМпST без синдрома гипотиреоза (n=57), 2А группу — пациенты с ИМпST и субклиническим гипотиреозом (n=42) и 2Б группу — пациенты с ИМпST и манифестным гипотиреозом (n=34). У всех пациентов проводили оценку клинических симптомов и осложнений в остром периоде ИМ, выполняли холтеровское мониторирование ЭКГ (ХМ ЭКГ).</p></sec><sec><title>Результаты</title><p>Результаты: в период госпитального лечения у пациентов с сопутствующим манифестным гипотиреозом отмечалось более частое развитие нарушений ритма сердца по типу пароксизмальной фибрилляции предсердий (ФП) (p&lt;0,05), наджелудочковой экстрасистолии (НЖЭ), пароксизмальной наджелудочковой тахикардии (НЖТ) (p&lt;0,05). При оценке риска развития ранних осложнений в острый период ИМ более высокие баллы регистрировались у пациентов с манифестным гипотиреозом (p&lt;0,05). Анализ показателей ВРС показал, что у исследуемых больных с сопутствующим манифестным гипотиреозом, несмотря на наличие острого периода ИМ, превалирует активация парасимпатического звена ВНС (вегетативной нервной системы) в регуляции сердечного ритма в отличие от пациентов группы контроля и группы с субклиническим гипотиреозом, у которых, напротив, преобладает влияние симпатического звена ВНС.</p></sec><sec><title>Заключение</title><p>Заключение: в период госпитализации у пациентов с манифестным гипотиреозом статистически значимо чаще развивались наджелудочковые нарушения ритма сердца, определялся более высокий риск сердечно-сосудистых осложнений в остром периоде ИМ по сравнению как с группой контроля, так и группой пациентов с субклиническим гипотиреозом. У больных с сопутствующим манифестным гипотиреозом более выражена активация парасимпатического звена ВНС в регуляции сердечного ритма в отличие от пациентов группы контроля и группы с субклиническим гипотиреозом, у которых, напротив, преобладает влияние симпатического звена ВНС.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective: to evaluate the features of the clinical course, as well as heart rate variability (HRV) during inpatient treatment in patients with ST-segment elevation myocardial infarction (STEMI) and concomitant newly diagnosed hypothyroidism.</p></sec><sec><title>Materials and methods</title><p>Materials and methods: the study included 133 patients with STEMI aged 40 to 88 years who were admitted to the cardiology department. Depending on the presence of newly diagnosed hypothyroidism syndrome, all patients were divided into 3 groups: group 1 consisted of patients with STEMI without hypothyroidism syndrome (n=57), group 2A — patients with STeMI and subclinical hypothyroidism (n=42) and group 2B — patients with STeMI and manifest hypothyroidism (n=34). Clinical symptoms and complications in the acute period of MI were evaluated in all patients, and Holter ECG monitoring (XM ECG) was performed.</p></sec><sec><title>Results</title><p>Results: during hospital treatment, patients with concomitant manifest hypothyroidism showed more frequent development of cardiac arrhythmias such as paroxysmal atrial fibrillation (AF) (p&lt;0.05), supraventricular extrasystole (NE), paroxysmal supraventricular tachycardia (LVT) (p&lt;0,05). When assessing the risk of early complications in the acute period of MI, higher scores were recorded in patients with manifest hypothyroidism (p&lt;0.05). The analysis of HRV indicators showed that in the studied patients with concomitant manifest hypothyroidism, despite the presence of an acute period of MI, activation of the parasympathetic link of the ANS (autonomic nervous system) prevails in the regulation of heart rhythm, unlike in patients of the control group and the group with subclinical hypothyroidism, in whom, on the contrary, the influence of the sympathetic link of the ANS prevails.</p></sec><sec><title>Conclusion</title><p>Conclusion: during hospitalization, patients with manifest hypothyroidism were statistically significantly more likely to develop supraventricular cardiac arrhythmias, and a higher risk of cardiovascular complications in the acute period of MI was determined compared with both the control group and the group of patients with subclinical hypothyroidism. In patients with concomitant manifest hypothyroidism, the activation of the parasympathetic link of the ANS in the regulation of heart rhythm is more pronounced, in contrast to patients in the control group and the group with subclinical hypothyroidism, in whom, on the contrary, the influence of the sympathetic link of the ANS prevails.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>инфаркт миокарда</kwd><kwd>субклинический и манифестный гипотиреоз</kwd><kwd>клинические особенности</kwd><kwd>нарушения ритма и проводимости сердца</kwd><kwd>вариабельность ритма</kwd></kwd-group><kwd-group xml:lang="en"><kwd>myocardial infarction</kwd><kwd>subclinical and manifest hypothyroidism</kwd><kwd>clinical features</kwd><kwd>cardiac arrhythmias and conduction disorders</kwd><kwd>rhythm variability</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование не имело спонсорской поддержки</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Izkhakov E, Zahler D, Rozenfeld KL, Ravid D, Banai S, Topilsky Y, et al. 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