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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">10.20996/1819-6446-2025-3203</article-id><article-id custom-type="edn" pub-id-type="custom">HZJBPG</article-id><article-id custom-type="elpub" pub-id-type="custom">rpcardio-3203</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>Associations of body composition parameters with N-terminal pro-brain natriuretic peptide level in men with chronic heart failure</article-title><trans-title-group xml:lang="ru"><trans-title>Ассоциации показателей состава тела с уровнем N-концевого промозгового натрийуретического пептида у мужчин с хронической сердечной недостаточностью</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0700-9967</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Яралиева</surname><given-names>Э. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Yaralieva</surname><given-names>E. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Яралиева Эльвира Куруглиевна </p><p>Москва</p></bio><bio xml:lang="en"><p>Elvira K. Yaralieva </p><p>Moscow </p></bio><email xlink:type="simple">elvira.yaralieva@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/0000-0002-1763-0725</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скрипникова</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Skripnikova</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Скрипникова Ирина Анатольевна </p><p>Москва </p></bio><bio xml:lang="en"><p>Irina A. Skripnikova </p><p>Moscow </p></bio><email xlink:type="simple">ira_skrip@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/0000-0002-9024-5364</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мясников</surname><given-names>Р. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Myasnikov</surname><given-names>R. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мясников Роман Петрович </p><p>Москва </p></bio><bio xml:lang="en"><p>Roman P. Myasnikov </p><p>Moscow </p></bio><email xlink:type="simple">andorom@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/0000-0002-3138-054X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куликова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulikova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Куликова Ольга Викторовна  </p><p>Москва </p></bio><bio xml:lang="en"><p>Olga V. Kulikova </p><p>Moscow </p></bio><email xlink:type="simple">olgakulikova2014@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/0009-0004-4503-0550</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Новиков</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Novikov</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новиков Валерий Евгеньевич </p><p>Москва </p></bio><bio xml:lang="en"><p>Valeri E. Novikov </p><p>Moscow </p></bio><email xlink:type="simple">vnovikov@gnicpm.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4453-8430</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Драпкина</surname><given-names>О. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Drapkina</surname><given-names>O. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Драпкина Оксана Михайловна </p><p>Москва </p></bio><bio xml:lang="en"><p>Oksana M. Drapkina </p><p>Moscow </p></bio><email xlink:type="simple">drapkina@bk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ООО «Детская национальная клиника»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Children’s National Clinic LLC</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр терапии и профилактической медицины» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Center for Therapy and Preventive Medicine of the Ministry of Healthсare of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр терапии и профилактической медицины» Минздрава России ; ГНЦ РФ Институт медико-биологических проблем РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Center for Therapy and Preventive Medicine of the Ministry of Healthсare of the Russian Federation ; State scientific center of the Russian Federation Institute of Biomedical Problems of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>25</day><month>10</month><year>2025</year></pub-date><volume>21</volume><issue>4</issue><fpage>335</fpage><lpage>342</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Yaralieva E.K., Skripnikova I.A., Myasnikov R.P., Kulikova O.V., Novikov V.E., Drapkina O.M., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Яралиева Э.К., Скрипникова И.А., Мясников Р.П., Куликова О.В., Новиков В.Е., Драпкина О.М.</copyright-holder><copyright-holder xml:lang="en">Yaralieva E.K., Skripnikova I.A., Myasnikov R.P., Kulikova O.V., Novikov V.E., Drapkina O.M.</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/3203">https://www.rpcardio.online/jour/article/view/3203</self-uri><abstract><p>Aim. To study the associations of N-terminal pro-brain natriuretic peptide (NT-proBNP) level with body composition parameters in comparison with body mass index (BMI) in men with chronic heart failure (CHF).Material and methods. The study included 60 men aged 20-70 years with CHF of various etiologies and reduced or mildly reduced left ventricular ejection fraction (LVEF). The BMI was calculated using the Quetelet formula: [BMI = body weight (kg)/height (m2)]. Quantitative body composition (fat, muscle, and bone mass) was determined using dual-energy X-ray absorptiometry. NT-proBNP level was determined with method of chemiluminescent enzyme immunoassay using MAGTRATION technology.Results. NT-proBNP level in men with normal body weight was significantly higher than in overweight and obese individuals (680 [427; 2994], 446 [381; 1667], 300 [226; 967] pg/ml (p&lt;0.05), respectively). The amount of both fat and muscle mass was significantly higher in obese individuals, however, in a linear regression analysis adjusted for age NT-proBNP levels were independently associated only with the appendicular muscle mass and the appendicular skeletal muscle index.Conclusion. Patients with CHF and obesity have lower NT-proBNP values than those with normal body weight. An independent inverse association of NT-proBNP level with BMI and with indicators of muscle mass, but not body fat, was demonstrated. These findings suggest that the muscle component of body weight contributes to the lower NT-proBNP values in CHF patients with high BMI.</p></abstract><trans-abstract xml:lang="ru"><p>Цель. Изучить ассоциации уровня N-концевого промозгового натрийуретического пептида (NT-proBNP) с показателями состава тела в сравнении с индексом массы тела (ИМТ) у мужчин с хронической сердечной недостаточностью (ХСН).Материал и методы. В исследование включено 60 мужчин с ХСН различного генеза с низкой и промежуточной фракцией выброса (ФВ) левого желудочка (ЛЖ) в возрасте 20-70 лет. ИМТ вычисляли по формуле Кетле: ИМТ = масса тела (кг)/рост (м2). Количественный состав тела (жировая, мышечная и костная масса) определяли с помощью двухэнергетической рентгеновской абсорбциометрии. Для определения уровня NT-proBNP применялся метод хемилюминисцентного иммуноферментного анализа с использованием технологии MAGTRATION.Результаты. Уровень NT-proBNP у мужчин с нормальной массой тела был статистически значимо выше, чем у лиц с избыточной массой тела и ожирением (680 [427; 2994], 446 [381; 1667], 300 [226; 967] пг/мл (р&lt;0,05) соответственно). Количество как жировой, так и мышечной массы было значимо выше у лиц с ожирением, однако при линейном регрессионном анализе с поправкой на возраст уровень NT-proBNP был независимо ассоциирован только с аппендикулярной мышечной массой и индексом аппендикулярной скелетной мускулатуры.Заключение. Пациенты с ХСН и ожирением имеют более низкие значения NT-proBNP, чем лица с нормальной массой тела. Продемонстрирована независимая обратная ассоциация уровня NT-proBNP с ИМТ и с показателями мышечной, но не жировой массы тела. Полученные данные свидетельствуют о вкладе мышечного компонента массы тела в более низкие значения NT-proBNP у лиц с ХСН и высоким ИМТ.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>хроническая сердечная недостаточность</kwd><kwd>индекс массы тела</kwd><kwd>состав тела</kwd><kwd>жировая масса</kwd><kwd>мышечная масса</kwd><kwd>N-концевой промозговой натрийуретический пептид</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chronic heart failure</kwd><kwd>body mass index</kwd><kwd>body composition</kwd><kwd>fat mass</kwd><kwd>muscle mass</kwd><kwd>N-terminal pro-brain natriuretic peptide</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование проведено при поддержке ФГБУ «Национальный медицинский исследовательский центр терапии и профилактической медицины» Минздрава России.</funding-statement><funding-statement xml:lang="en">The study was performed with the support of National Medical Research Center of Therapy and Preventive Medicine” of the Ministry of Health of the Russian Federation.</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">Фомин И.В. 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