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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">mimmun</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская иммунология</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Immunology (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1563-0625</issn><issn pub-type="epub">2313-741X</issn><publisher><publisher-name>SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15789/1563-0625-LBG-2743</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-2743</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SHORT COMMUNICATIONS</subject></subj-group></article-categories><title-group><article-title>Лабораторный биомаркер галектин-3 в диагностике воспалительных изменений миокарда у пациентов с фибрилляцией предсердий</article-title><trans-title-group xml:lang="en"><trans-title>Laboratory biomarker galectin-3 in the diagnostics of myocardial inflammatory changes in patients with atrial fibrillation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3147-3025</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гусакова</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusakova</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гусакова А.М. – к.фарм.н., научный сотрудник отделения клинической лабораторной диагностики </p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Gusakova A.M., PhD (Pharmacy), Research Associate, Department of Clinical Laboratory Diagnostics </p><p>111a Kievskaya St., Tomsk, 634012</p></bio><email xlink:type="simple">mag_a@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/0000-0001-5553-7831</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Роговская</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Rogovskaya</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Роговская Ю.В. – врач патологоанатомического отделения </p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Rogovskaya Yu.V., Physician, Anatomic Pathology Department </p><p>111a Kievskaya St., Tomsk, 634012</p></bio><email xlink:type="simple">anna@cardio-tomsk.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/0000-0002-2530-361X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Арчаков</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Archakov</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Арчаков Е.А. – к.м.н., научный сотрудник лаборатории высоких технологий диагностики и лечения нарушений ритма сердца </p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Archakov E.A., PhD (Medicine), Research Associate, Laboratory of High Technologies for the Diagnosis and Treatment of Cardiac Arrhythmias </p><p>111a Kievskaya St., Tomsk, 634012</p></bio><email xlink:type="simple">aea_cardio@mail.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 – филиал ФГБНУ «Томский национальный исследовательский медицинский центр Российской академии наук»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Cardiology, Branch of Tomsk National Research Medical Center, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>01</day><month>06</month><year>2023</year></pub-date><volume>25</volume><issue>4</issue><fpage>963</fpage><lpage>970</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гусакова А.М., Роговская Ю.В., Арчаков Е.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Гусакова А.М., Роговская Ю.В., Арчаков Е.А.</copyright-holder><copyright-holder xml:lang="en">Gusakova A.M., Rogovskaya Y.V., Archakov E.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://www.mimmun.ru/mimmun/article/view/2743">https://www.mimmun.ru/mimmun/article/view/2743</self-uri><abstract><p>В настоящее время фибрилляция предсердий (ФП) является одним из наиболее распространенных нарушений сердечного ритма. Многочисленные данные свидетельствуют о значительном вкладе воспалительных изменений миокарда в развитии и прогрессировании ФП. Поиск новых лабораторных биомаркеров, позволяющих оценить активность воспалительных процессов в миокарде, а также изучение их диагностической значимости для неинвазивной диагностики у пациентов с ФП представляется актуальным. В этой связи целью работы явилось изучить особенности сывороточного содержания биомаркера Гал-3 и выявить его взаимосвязь с воспалительными изменениями миокарда у пациентов с ФП. В зависимости от результатов гистологических исследований пациенты были разделены на 2 группы: 1-я группа – с морфологически верифицированным активным лимфоцитарным миокардитом (АЛМ), 2-я – с признаками лимфоцитарной инфильтрации (ЛИ). Анализ частоты выявления и степени выраженности воспалительного процесса в миокарде показал, что активность 4-5 баллов обнаружена только в группе 1, большинство пациентов в группе 2 имели степень активности воспалительного процесса 1 балл. У всех пациентов с ЛИ показано слабое интерстициальное воспаление. В группе с АЛМ регистрировали умеренное и выраженное интерстициальное воспаление, по результатам ИГХ исследования обнаружено высокое количество клеток CD3+ и CD45+ в сравнении с группой 2 (p &lt; 0,001). Не выявлено значимых межгрупповых отличий сывороточного уровня Гал-3. При этом в группе 1 показано значимое снижение Гал-3 через 6 месяцев после аблации (р = 0,028). У пациентов с АЛМ выявлены положительные корреляции Гал-3 с такими критериями миокардита, как степень выраженности воспалительного процесса, вовлеченность эндокарда. У пациентов группы 1 показана ассоциация сывороточного содержания Гал-3 с уровнем CD68+ (R = 0,48 р = 0,030). В группе 2 выявлена корреляция между уровнем Гал-3 через 6 месяцев после РЧА с инфильтрацией CD45+ клетками (R = 0,69 р = 0,003). Таким образом, у пациентов с ФП и признаками активного лимфоцитарного миокардита установлены значимые ассоциации между биомаркером Гал-3 и показателями воспалительных изменений в миокарде, что подтверждает важную роль Гал-3 в качестве участника воспалительного процесса.</p></abstract><trans-abstract xml:lang="en"><p>Atrial fibrillation (AF) is one of the most common cardiac arrhythmias. Numerous data indicate a significant contribution of myocardial inflammatory changes in the development and progression of AF. The search for new laboratory biomarkers to assess the activity of myocardial inflammatory processes, and the study of their diagnostic significance for noninvasive diagnosis in patients with AF is relevant. Therefore, the aim was to study the features of the serum level of the biomarker Gal-3 and to identify its relationship with inflammatory changes in the myocardium in patients with AF. Depending on the results of histological studies, the patients were divided into 2 groups: group 1 – with morphologically verified active lymphocytic myocarditis (ALM), group 2 – with lymphocytic infiltration (LI). Analysis of the frequency of detection and severity of the inflammatory process in the myocardium showed that activity of 4-5 scores was detected only in group 1. In 2nd group, activity of the inflammatory process in most patients was 1 score. All patients with LI mild interstitial inflammation were showed. In the ALM group moderate and severe interstitial inflammation was detected. A high number of CD3+ and CD45+ cells were found in 1st group compared to group 2 (p &lt; 0.001).</p><p>There were no significant intergroup differences in the serum level of Gal-3. At the same time, in 1st group showed a significant decrease in Gal-3 in 6 months after treatment (p = 0.028). Positive correlations of Gal-3 with the severity of the inflammatory process and endocardial involvement were revealed in patients with ALM. The association of serum Gal-3 levels with CD68+ levels in 1st group was detected (R = 0.48, p = 0.030). In 2nd group, a correlation between the level of Gal-3 in 6 months after ablation with infiltration of CD45+ cells was found (R = 0.69, p = 0.003). Thus, in patients with AF and active lymphocytic myocarditis, significant associations were established between biomarkers of Gal-3 and inflammatory changes in the myocardium. This confirms the important role of Gal-3 as a participant in the inflammatory process.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фибрилляция предсердий</kwd><kwd>воспалительные изменения</kwd><kwd>миокардит</kwd><kwd>инфильтрация</kwd><kwd>лабораторная диагностика</kwd><kwd>галектин-3</kwd></kwd-group><kwd-group xml:lang="en"><kwd>atrial fibrillation</kwd><kwd>inflammation changes</kwd><kwd>myocarditis</kwd><kwd>infiltration</kwd><kwd>laboratory diagnostics</kwd><kwd>galectin-3</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">Arutyunov G.P., Paleev F.N., Moiseeva O.M., Dragunov D.O., Sokolova A.V., Arutyunov A.G., Zhirov I.V., Blagova O.V., Privalova E.V., Gabrusenko S.A., Garganeeva A.A., Gendlin G.E., Gilyarevsky S.R., Duplyakov D.V., Zairatiants O.V., Karateev D.E., Koziolova N.A., Kosmacheva E.D., Kochetov A.G., Lopatin Yu.M., Melekhov A.V., Mitrofanova L.B., Narusov O.Yu., Nasonova S.N., Nedostup A.V., Nikulina S.Yu., Orlova Ya.A., Poteshkina N.G., Rebrov A.P., Saidova M.A., Sedov V.P., Sinitsyn V.E., Sitnikova M.Yu., Skvortsov A.A., Skibitsky V.V., Stukalova O.V., Tarlovskaya E.I., Tereshchenko S.N., Usov V.Yu., Famin I.V., Chesnikova A.I., Shaposhnik I.I., Shostak N.A. 2020 Clinical practice guidelines for Myocarditis in adults. 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