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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">nefr</journal-id><journal-title-group><journal-title xml:lang="ru">Нефрология</journal-title><trans-title-group xml:lang="en"><trans-title>Nephrology (Saint-Petersburg)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-6274</issn><issn pub-type="epub">2541-9439</issn><publisher><publisher-name>Pavlov First Saint-Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36485/1561-6274-2023-27-2-66-71</article-id><article-id custom-type="elpub" pub-id-type="custom">nefr-2218</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 СТАТЬИ. КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES. CLINICAL INVESTIGATIONS</subject></subj-group></article-categories><title-group><article-title>Значение интерлейкина-6 в патогенезе белково-энергетической недостаточности у пациентов, получающих лечение программным гемодиализом</article-title><trans-title-group xml:lang="en"><trans-title>The role of interleukin-6 in the pathogenesis of protein-energy malnutrition in patients treated with haemodialysis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1045-9336</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Яковенко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Jakovenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Яковенко Александр Александрович, канд. мед. наук, доц. </p><p>кафедра нефрологии и диализа ФПО</p><p>197022, Санкт-Петербург, ул. Л. Толстого, д. 17, корп. 54</p><p>Тел.: 8(952)3625464</p></bio><bio xml:lang="en"><p>Alexandr A. Jakovenko, MD, PhD, Аssociate professor </p><p>Department of Nephrology and Dialysis of the Faculty of Postgraduate Education</p><p>197022, St-Petersburg, L. Tolstoy st., 17, build 54</p></bio><email xlink:type="simple">leptin-rulit@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/0000-0002-3073-2785</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лаврищева</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lavrischeva</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лаврищева Юлия Владимировна, канд. мед. наук, доц. </p><p>кафедра факультетской терапии с клиникой</p><p>197341, Санкт-Петербург, ул. Аккуратова, д. 2</p><p>Тел.: 8(921)7901007</p></bio><bio xml:lang="en"><p>Yulia V. Lavrischeva, MD, PhD, Associate Professor </p><p>Department of Faculty Therapy with Clinic</p><p>197341, Russia, St-Petersburg, str. Akkuratova 2</p></bio><email xlink:type="simple">lavrischeva@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/0000-0002-9455-1043</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Румянцев</surname><given-names>А. Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Rumyantsev</surname><given-names>A. Sh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Проф. Румянцев Александр Шаликович, д-р мед. наук</p><p>кафедра факультетской терапии;</p><p>кафедра пропедевтики внутренних болезней</p><p>199106, Санкт-Петербург, 21-я линия В.О., д. 8а</p><p>Тел.: +7 (812) 326-03-26</p><p>197022, Санкт-Петербург, ул. Льва Толстого, д. 6–8</p><p>Тел.: +7(911) 267-74-13</p></bio><bio xml:lang="en"><p>Aleksandr Sh. Rumyantsev, MD, PhD, DMedSci, Prof. </p><p>department of faculty therapy;</p><p>Department of Propaedeutics of Internal Diseases</p><p>199106, St. Petersburg, 21st line V.O., 8a</p><p>197022, St. Petersburg, st. Leo Tolstoy, 6–8</p></bio><email xlink:type="simple">rash.56@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pavlov First Saint Petersburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр им. В. А. Алмазова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Center. V. A. Almazova</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова; Санкт-Петербургский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint Petersburg State University; Pavlov First Saint Petersburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>07</day><month>06</month><year>2023</year></pub-date><volume>27</volume><issue>2</issue><fpage>66</fpage><lpage>71</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Яковенко А.А., Лаврищева Ю.В., Румянцев А.Ш., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Яковенко А.А., Лаврищева Ю.В., Румянцев А.Ш.</copyright-holder><copyright-holder xml:lang="en">Jakovenko A.A., Lavrischeva Y.V., Rumyantsev A.S.</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://journal.nephrolog.ru/jour/article/view/2218">https://journal.nephrolog.ru/jour/article/view/2218</self-uri><abstract><sec><title>ВВЕДЕНИЕ</title><p>ВВЕДЕНИЕ. Белково-энергетическая недостаточность (БЭН) часто развивается у пациентов, получающих длительное лечение программным гемодиализом (ГД). Основными ее причинами являются снижение потребления основных нутриентов, увеличение их потерь, нарушения, свойственные самой терминальной почечной недостаточности (в том числе, хроническое воспаление), а также влияние факторов, связанных с процедурой ГД.</p></sec><sec><title>ЦЕЛЬ</title><p>ЦЕЛЬ: уточнить роль интерлейкина-6 (IL-6 ) в патогенезе БЭН у пациентов, получающих лечение программным гемодиализом.</p></sec><sec><title>ПАЦИЕНТЫ И МЕТОДЫ</title><p>ПАЦИЕНТЫ И МЕТОДЫ. Обследованы 645 пациентов, получающих лечение ГД, среди них 300 мужчин и 345 женщин в возрасте 56,8±12,8 года, длительность заместительной почечной терапии 8,4 ± 5,3 года. Оценку нутриционного статуса проводили в соответствии с рекомендациями International Society of Renal Nutrition and Metabolism (ISRNM). Определение уровня IL-6 в сыворотке крови проводилось посредством трехстадийного «сэндвич»-варианта твердофазного иммуноферментного анализа с применением моно- и поликлональных антител к IL-6 с использованием коммерческого набора «Интерлейкин-6-ИФА-БЕСТ» фирмы «Вектор-Бест», Россия, в соответствии с инструкцией производителя. Референсные значения для IL-6: 0–7 пг/мл.</p></sec><sec><title>РЕЗУЛЬТАТЫ</title><p>РЕЗУЛЬТАТЫ. Распространённость БЭН составила 24,9 % (160 пациентов). Средняя концентрация IL-6 у пациентов без признаков БЭН составила 6,47±2,64 пг/мл, а у пациентов с БЭН – 23,20±10,40 пг/мл, p&lt;0,001. При повышенным уровнем IL-6 выявляли статистически значимо более низкие уровни общего белка, альбумина, преальбумина, общего холестерина, трансферрина и числа лимфоцитов крови. Также для пациентов с повышенным уровнем IL-6 были характерны статистически значимо более низкие значения индекса массы тела, массы скелетной мускулатуры, индекса массы скелетной мускулатуры.</p></sec><sec><title>ЗАКЛЮЧЕНИЕ</title><p>ЗАКЛЮЧЕНИЕ. Результаты проведённого исследования свидетельствуют о том, что широкая распространенность БЭН у пациентов, получающих лечение программным ГД, тесно взаимосвязана с нарушением баланса системы про- и противовоспалительных цитокинов. Увеличение длительности заместительной почечной терапии сопровождается повышением уровня IL-6 в сыворотке крови. Следовательно, данный цитокин можно рассматривать как терапевтическую мишень профилактики и лечения саркопении у диализных пациентов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>BACKGROUND</title><p>BACKGROUND. Protein-energy malnutrition (PEM) often develops in patients receiving long-term treatment with programmed haemodialysis (HD). Its main causes are decreased intake of basic nutrients, increased losses, disorders inherent to the terminal renal failure itself (including chronic inflammation), as well as the influence of factors associated with the HD procedure.</p></sec><sec><title>THE AIM</title><p>THE AIM: to clarify the role of interleukin-6 (IL-6 ) in the pathogenesis of BEN in patients treated with programmed haemodialysis.</p></sec><sec><title>PATIENTS AND METHODS</title><p>PATIENTS AND METHODS. We examined 645 patients receiving HD treatment, including 300 men and 345 women aged 56.8±12.8 years, the duration of renal replacement therapy was 8.4±5.3 years. Nutritional status was assessed according to International Society of Renal Nutrition and Metabolism (ISRNM) recommendations. Serum IL-6 levels were determined by a three-step "sandwich" version of a solid phase enzyme immunoassay using mono- and polyclonal antibodies to IL-6 using a commercial kit "Interleukin-6-IFA-BEST" from Vector-Best, Russia, under the manufacturer's instructions. The reference values for IL-6 are 0-7 pg/ml.</p></sec><sec><title>RESULTS</title><p>RESULTS. The prevalence of BEN was 24.9 % (160 patients). Mean IL-6 concentration was 6.47±2.64 pg/ml in patients without evidence of BEN, and 23.20±10.40 pg/ml in patients with BEN, p&lt;0.001. Elevated IL-6 levels revealed statistically significantly lower levels of total protein, albumin, prealbumin, total cholesterol, transferrin and blood lymphocyte counts. Patients with elevated IL-6 levels were also characterized by statistically significantly lower values of body mass index, skeletal muscle mass index and skeletal muscle mass index.</p></sec><sec><title>CONCLUSION</title><p>CONCLUSION. The results of this study suggest that the high prevalence of PEM in patients treated with HD is closely related to an imbalance of pro- and anti-inflammatory cytokines. An increase in the duration of renal replacement therapy is accompanied by an increase in serum IL-6 levels. Therefore, this cytokine can be considered as a therapeutic target for prevention and treatment of sarcopenia in dialysis patients.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>программный гемодиализ</kwd><kwd>белково-энергетическая недостаточность</kwd><kwd>хроническое воспаление</kwd><kwd>интерлейкин-6</kwd></kwd-group><kwd-group xml:lang="en"><kwd>haemodialysis</kwd><kwd>protein-energy malnutrition</kwd><kwd>chronic inflammation</kwd><kwd>interleukin-6</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">Energy Wasting in Kidney Disease: A Meta-analysis of Contemporary Observational Studies From the International Society of Renal Nutrition and Metabolism. 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