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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">rpcardio</journal-id><journal-title-group><journal-title xml:lang="en">Rational Pharmacotherapy in Cardiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Рациональная Фармакотерапия в Кардиологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1819-6446</issn><issn pub-type="epub">2225-3653</issn><publisher><publisher-name>«SILICEA-POLIGRAF» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20996/1819-6446-2026-3386</article-id><article-id custom-type="edn" pub-id-type="custom">BTABGH</article-id><article-id custom-type="elpub" pub-id-type="custom">rpcardio-3386</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="en"><subject>ORIGINAL STUDIES</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group></article-categories><title-group><article-title>The Role of Non-Invasive Markers of Hepatic Steatosis in Detecting Epicardial Obesity</article-title><trans-title-group xml:lang="ru"><trans-title>Значение неинвазивных маркеров стеатоза печени в выявлении эпикардиального ожирения</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2699-1610</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Брагина</surname><given-names>Анна Евгеньевна</given-names></name><name name-style="western" xml:lang="en"><surname>Bragina</surname><given-names>Anna E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., профессор кафедры факультетской терапии №2 Института клинической медицины им. Н.В. Склифосовского, ФГАОУ ВО Первый МГМУ имени И.М. Сеченова Минздрава России (Сеченовский Университет).</p></bio><bio xml:lang="en"><p>Professor,</p><p>Department of Faculty Therapy №2, Institute of Clinical Medicine, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.</p></bio><email xlink:type="simple">anna.bragina@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/0000-0003-3461-6703</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Родионова</surname><given-names>Юлия Нурисламовна</given-names></name><name name-style="western" xml:lang="en"><surname>Rodionova</surname><given-names>Yulia N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., доцент кафедры факультетской терапии №2 Института клинической медицины им. Н.В. Склифосовского, ФГАОУ ВО Первый МГМУ им. И.М. Сеченова Минздрава России (Сеченовский Университет). </p></bio><bio xml:lang="en"><p>Associate Professor, Department of Faculty Therapy №2, Institute of Clinical Medicine, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.</p></bio><email xlink:type="simple">juli.n.rodionova@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/0009-0004-7822-7755</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Подзолков</surname><given-names>Андрей Валерьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Podzolkov</surname><given-names>Andrey V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., доцент кафедры акушерства и гинекологии, ФГБОУ ДПО "Российская медицинская академия непрерывного профессионального образования" Министерства здравоохранения Российской Федерации, г. Москва, Россия.</p></bio><bio xml:lang="en"><p>Associate Professor, Russian Medical Academy of Continuous Professional Education, Moscow, Russia.</p></bio><email xlink:type="simple">av.podzolkov@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5430-403X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аквицкая</surname><given-names>Дарья Викторовна</given-names></name><name name-style="western" xml:lang="en"><surname>Akvitskaya</surname><given-names>Daria V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры факультетской терапии №2 Института клинической медицины им. Н.В. Склифосовского, ФГАОУ ВО Первый МГМУ им. И.М. Сеченова Минздрава России (Сеченовский Университет).</p></bio><bio xml:lang="en"><p>postgraduate student, Department of Internal Medicine №2, Institute of Clinical Medicine, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.</p></bio><email xlink:type="simple">dashaakv@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/0009-0006-7116-5103</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абдуганиев</surname><given-names>Сарвар Абдуганиевич</given-names></name><name name-style="western" xml:lang="en"><surname>Abduganiev</surname><given-names>Sarvar A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач функциональной диагностикиИнститута клинической медицины им. Н.В. Склифосовского, ФГАОУ ВО Первый МГМУ им. И.М. Сеченова Минздрава России (Сеченовский Университет).</p></bio><bio xml:lang="en"><p>Functional diagnostics doctor, First Moscow State Medical University (Sechenov University), Moscow, Russia.</p></bio><email xlink:type="simple">sarvar.84@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/0009-0007-7268-6258</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пахомова</surname><given-names>Янина Сергеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Pahomova</surname><given-names>Yanina S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент ФГАОУ ВО Первый МГМУ им. И.М. Сеченова Минздрава России (Сеченовский Университет).</p></bio><bio xml:lang="en"><p>student of I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.</p></bio><email xlink:type="simple">yaninapakhomova@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/0009-0007-3662-3030</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хабаров</surname><given-names>Артем Евгеньевич</given-names></name><name name-style="western" xml:lang="en"><surname>Habarov</surname><given-names>Artuom E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент ФГАОУ ВО Первый МГМУ им. И.М. Сеченова Минздрава России (Сеченовский Университет).</p></bio><bio xml:lang="en"><p>student of I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.</p></bio><email xlink:type="simple">habarovartem@bk.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/0009-0005-2537-8370</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Оганесян</surname><given-names>Давид Михайлович</given-names></name><name name-style="western" xml:lang="en"><surname>Oganesyan</surname><given-names>David M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент ФГАОУ ВО Первый МГМУ им. И.М. Сеченова Минздрава России (Сеченовский Университет).</p></bio><bio xml:lang="en"><p>student of I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.</p></bio><email xlink:type="simple">oganesyan_d_m@student.sechenov.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/0000-0002-0758-5609</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Подзолков</surname><given-names>Валерий Иванович</given-names></name><name name-style="western" xml:lang="en"><surname>Podzolkov</surname><given-names>Valery I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., профессор, заведующий кафедрой факультетской терапии №2 Института клинической медицины им. Н.В. Склифосовского, ФГАОУ ВО Первый МГМУ имени И.М. Сеченова Минздрава России (Сеченовский Университет).</p></bio><bio xml:lang="en"><p>Professor, Head of Department of Faculty Therapy №2, Institute of Clinical Medicine, Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.</p></bio><email xlink:type="simple">Podzolkov@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВО «Первый Московский государственный медицинский университет им. И.М. Сеченова» Минздрава России (Сеченовский Университет), Москва, Россия</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ДПО "Российская медицинская академия непрерывного профессионального образования" Министерства здравоохранения Российской Федерации, Москва, Россия</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Medical Academy of Continuous Professional Education, Moscow, Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>07</day><month>07</month><year>2020</year></pub-date><volume>0</volume><issue>0</issue><issue-title>Online First</issue-title><fpage>353</fpage><lpage>361</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Bragina A.E., Rodionova Y.N., Podzolkov A.V., Akvitskaya D.V., Abduganiev S.A., Pahomova Y.S., Habarov A.E., Oganesyan D.M., Podzolkov V.I., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Брагина А.Е., Родионова Ю.Н., Подзолков А.В., Аквицкая Д.В., Абдуганиев С.А., Пахомова Я.С., Хабаров А.Е., Оганесян Д.М., Подзолков В.И.</copyright-holder><copyright-holder xml:lang="en">Bragina A.E., Rodionova Y.N., Podzolkov A.V., Akvitskaya D.V., Abduganiev S.A., Pahomova Y.S., Habarov A.E., Oganesyan D.M., Podzolkov V.I.</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.rpcardio.online/jour/article/view/3386">https://www.rpcardio.online/jour/article/view/3386</self-uri><abstract><sec><title>Aim</title><p>Aim. To evaluate the diagnostic value of various non-invasive methods for assessing hepatic steatosis as potential markers of epicardial obesity (EO) in the studied population.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. This cross-sectional study included 303 patients with a median age of 55 [40;65] years. Epicardial adipose tissue (EAT) thickness was assessed by echocardiography, and EO was determined according to age-specific threshold values. Hepatic steatosis was verified using liver transient elastography with measurement of the controlled  attenuation coefficient (AC) and hepatorenal index (HRI). AC &gt;0.67 dB/cm/MHz was used as the criterion for hepatic steatosis. The cutoff value for HRI was &gt;1.49. In addition, validated non-invasive indices, including the Fatty Liver Index (FLI) and Hepatic Steatosis Index (HSI), were calculated. FLI &gt;60 and HSI &gt;36 were considered diagnostic criteria for hepatic steatosis according to the original formulas. Statistical analysis was performed using Statistica 12.0 software. Comparison of correlated ROC curves and assessment of statistically significant differences between them were performed using the nonparametric DeLong’s test.</p></sec><sec><title>Results</title><p>Results. Sex distribution in the study cohort was balanced (49.8% men and 50.2% women). The prevalence of arterial hypertension was 69.3%, dyslipidemia 46.8%, and abdominal obesity 50.4%. EO was detected in 68% of patients. The prevalence of hepatic steatosis assessed by ultrasonography with AC measurement was 41.3%, while HRI-based steatosis was detected in 45% of patients. According to calculated indices, hepatic steatosis was identified in 50.1% of patients using HSI and in 32.3% using FLI. Statistically significant correlations were observed between EAT thickness and hepatic steatosis markers (HSI, FLI, HRI, and AC) (r=0.401, r=0.507, r=0.545, and r=0.622, respectively). AC demonstrated the highest diagnostic performance for EO detection (AUC=0.715; 95% CI: 4.04-18.54; p=0.002). Similar results were obtained for FLI (AUC=0.722; 95% CI: 0.01-0.04; p=0.003). Pairwise comparisons revealed statistically significant differences between AC and HSI (p=0.044), as well as between HSI and FLI (p=0.007). The overall DeLong test confirmed statistically significant differences between the ROC curves (p=0.0417). ROC analysis was additionally performed to determine cutoff values of AC and FLI for EO detection. The optimal AC cutoff value was 0.65 dB/cm/MHz (specificity 70.91%, sensitivity 88%), whereas the optimal FLI cutoff value was 29 (specificity 68.97%, sensitivity 75.44%).</p></sec><sec><title>Conclusion</title><p>Conclusion. The identified associations between hepatic steatosis markers (FLI, HSI, HRI, and AC) and EO are consistent with the concept of a “metabolic dysfunction cluster,” according to which hepatic steatosis may reflect the severity of metabolic disturbances and serve as a marker of cardiovascular risk.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Цель</title><p>Цель. Оценка диагностической значимости различных неинвазивных методов оценки стеатоза печени в качестве потенциальных маркеров эпикардиального ожирения (ЭКО) у обследуемых пациентов.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В поперечное исследование были включены 303 пациента, медиана возраста 55 [40;65] лет. Всем пациентам оценивали толщину эпикардиальной жировой ткани (ЭЖТ) с помощью эхокардиография с определением ЭКО по возрастным пороговым значениям. Для верификации стеатоза печени проводилась фиброэластометрия печени с измерением коэффициента аттенуации (КА) и печеночно-почечного индекса (HRI). Значение КА&gt; 0,67 дБ/см/MHz использовалось как критерий наличия стеатоза. Пороговым значением для определения стеатоза печени по HRI был показатель&gt;1,49. Для верификации стеатоза оценивались валидированные расчетные индексы: индекс жировой дистрофии печени (FLI), и индекс стеатоза печени (HSI). Значения FLI&gt;60 и HSI&gt;36 расценивались как критерий стеатоза печени согласно оригинальным формулам. Статистический анализ проводился программой Statistica 12.0. Сравнение AUC коррелированных ROC-кривых и определение статистически значимых различий между ними проводилось с использованием непараметрического тест Делонга (DeLong’s test).</p></sec><sec><title>Результаты</title><p>Результаты. Распределение по полу в исследуемой группе было равномерным (49,8% мужчин, 50,2% женщин). Частота артериальной гипертензии составила 69,3%, дислипидемии – 46,8%, абдоминального ожирения – 50,4%. ЭКО встречалось у 68% пациентов. Частота выявления стеатоза ультразвуковым методом с определением КА составила 41,3%, HRI - 45%; при использовании расчетных индексов: HSI - 50,1%, FLI - 32,3%. Обращает на себя внимание наличие статистически значимой корреляционной связи между ЭЖТ и маркерами стеатоза печени (HSI, FLI, HRI и КА) (r=0,401, r=0,507, r=0,545 и r=0, 622, соответственно). При оценке связи маркеров стеатоза печени с наличием ЭКО, КА демонстрировал наибольшую информативность (AUC=0,715; 95% ДИ: 4,04-18,54; p=0,002). Схожие по точности результаты получили FLI (AUC=0,722; 95% ДИ: 0,01-0,04; p=0,003). Парные сравнения показали статистически значимые различия между КА и HSI (p=0,044) а также между HSI и FLI (p= 0,007). Совокупный тест Делонга подтвердил статистически значимые различия между ROC-кривыми (p=0,0417). Была предпринята попытка определения пороговых значений КА и FLI для выявления ЭКО с использованием ROC-анализа. Оптимальная точка отсечения КА на ROC-кривой соответствовала 0,65 дБ/см/мГц (специфичность 70,91%, чувствительность 88%). Для FLI точка отсечения составила 29 (специфичность 68,97%, чувствительность 75,44%).</p></sec><sec><title>Заключение</title><p>Заключение. Выявленные связи между стеатозом печени (по FLI, HSI, HRI и КА) и ЭКО согласуются с концепцией «кластера метаболических нарушений», согласно которой стеатоз печени может отражать степень выраженности метаболических нарушений и служить маркером сердечно-сосудистого риска.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>стеатоз печени</kwd><kwd>эпикардиальная жировая ткань</kwd><kwd>эпикардиальное ожирение</kwd><kwd>кардиометаболический риск.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hepatic steatosis</kwd><kwd>epicardial adipose tissue</kwd><kwd>epicardial obesity</kwd><kwd>cardiometabolic risk.</kwd></kwd-group><funding-group><funding-statement xml:lang="en">Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia</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">World Obesity Federation. 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