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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of Clinical Practice</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Clinical Practice</journal-title><trans-title-group xml:lang="ru"><trans-title>Клиническая практика</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2220-3095</issn><issn publication-format="electronic">2618-8627</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">688428</article-id><article-id pub-id-type="doi">10.17816/clinpract688428</article-id><article-id pub-id-type="edn">OVDVMG</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original Study Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Nephroprotective potential of perioperative intravenous amino acid infusion in cardiac surgery with cardiopulmonary bypass</article-title><trans-title-group xml:lang="ru"><trans-title>Нефропротективный потенциал периоперационной инфузии смеси аминокислот при кардиохирургических вмешательствах с искусственным кровообращением</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7483-3211</contrib-id><contrib-id contrib-id-type="spin">1431-5380</contrib-id><name-alternatives><name xml:lang="en"><surname>Kasim</surname><given-names>Timur Kh</given-names></name><name xml:lang="ru"><surname>Касим</surname><given-names>Тимур Хайдарович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kasim_t_kh@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5103-0304</contrib-id><contrib-id contrib-id-type="spin">1343-9793</contrib-id><name-alternatives><name xml:lang="en"><surname>Yavorovskiy</surname><given-names>Andrey G.</given-names></name><name xml:lang="ru"><surname>Яворовский</surname><given-names>Андрей Георгиевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><email>yavor@bk.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9437-6591</contrib-id><contrib-id contrib-id-type="spin">7778-2184</contrib-id><name-alternatives><name xml:lang="en"><surname>Mandel</surname><given-names>Irina A.</given-names></name><name xml:lang="ru"><surname>Мандель</surname><given-names>Ирина Аркадьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Assistant Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><email>irina.a.mandel@gmail.com</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0623-4927</contrib-id><contrib-id contrib-id-type="spin">2048-9705</contrib-id><name-alternatives><name xml:lang="en"><surname>Politov</surname><given-names>Mikhail E.</given-names></name><name xml:lang="ru"><surname>Политов</surname><given-names>Михаил Евгеньевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Assistant Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><email>politov_m_e@staff.sechenov.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5553-0880</contrib-id><contrib-id contrib-id-type="spin">2803-6502</contrib-id><name-alternatives><name xml:lang="en"><surname>Nogtev</surname><given-names>Pavel V.</given-names></name><name xml:lang="ru"><surname>Ногтев</surname><given-names>Павел Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Assistant Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><email>p_naii@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8661-9418</contrib-id><contrib-id contrib-id-type="spin">5037-0314</contrib-id><name-alternatives><name xml:lang="en"><surname>Khalikova</surname><given-names>Elena Yu.</given-names></name><name xml:lang="ru"><surname>Халикова</surname><given-names>Елена Юрьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Assistant Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><email>khalikova_e_yu@staff.sechenov.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5468-3183</contrib-id><contrib-id contrib-id-type="spin">9534-2844</contrib-id><name-alternatives><name xml:lang="en"><surname>Zhukova</surname><given-names>Svetlana G.</given-names></name><name xml:lang="ru"><surname>Жукова</surname><given-names>Светлана Григорьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Assistant Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><email>zhukova_s_g@staff.sechenov.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6024-0191</contrib-id><contrib-id contrib-id-type="spin">6651-8256</contrib-id><name-alternatives><name xml:lang="en"><surname>Vyzhigina</surname><given-names>Margarita A.</given-names></name><name xml:lang="ru"><surname>Выжигина</surname><given-names>Маргарита Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><email>scorpi1999@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8709-3451</contrib-id><name-alternatives><name xml:lang="en"><surname>Laricheva</surname><given-names>Elizaveta A.</given-names></name><name xml:lang="ru"><surname>Ларичева</surname><given-names>Елизавета Андреевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>laricheva.elz@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-2265-8778</contrib-id><name-alternatives><name xml:lang="en"><surname>Dubovitsky</surname><given-names>Konstantin M.</given-names></name><name xml:lang="ru"><surname>Дубовицкий</surname><given-names>Константин Михайлович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>konstantindubovitskii@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-1930-1304</contrib-id><name-alternatives><name xml:lang="en"><surname>Mechtaeva</surname><given-names>Maria A.</given-names></name><name xml:lang="ru"><surname>Мечтаева</surname><given-names>Мария Андреевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mmechtaeva@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3222-6963</contrib-id><contrib-id contrib-id-type="spin">7343-0801</contrib-id><name-alternatives><name xml:lang="en"><surname>Lutsenko</surname><given-names>Ilya V.</given-names></name><name xml:lang="ru"><surname>Луценко</surname><given-names>Илья Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Lutsenkobgd231@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-1561-1033</contrib-id><contrib-id contrib-id-type="spin">4302-3399</contrib-id><name-alternatives><name xml:lang="en"><surname>Petrovskii</surname><given-names>Vladimir F.</given-names></name><name xml:lang="ru"><surname>Петровский</surname><given-names>Владимир Федорович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>petrovskyvolodymyr@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">The First Sechenov Moscow State Medical University</institution></aff><aff><institution xml:lang="kk"></institution></aff><aff><institution xml:lang="pt"></institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет имени И.М. Сеченова (Сеченовский Университет)</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">The First Sechenov Moscow State Medical University</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет имени И.М. Сеченова (Сеченовский Университет)</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Federal Research and Clinical Center of Specialized Medical Care and Medical Technologies</institution></aff><aff><institution xml:lang="ru">Федеральный научно-клинический центр специализированных видов медицинской помощи и медицинских технологий</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2026-04-03" publication-format="electronic"><day>03</day><month>04</month><year>2026</year></pub-date><pub-date date-type="pub" iso-8601-date="2026-05-01" publication-format="electronic"><day>01</day><month>05</month><year>2026</year></pub-date><volume>17</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>22</fpage><lpage>35</lpage><history><date date-type="received" iso-8601-date="2025-07-29"><day>29</day><month>07</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2026-02-03"><day>03</day><month>02</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Эко-Вектор</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://clinpractice.ru/clinpractice/article/view/688428">https://clinpractice.ru/clinpractice/article/view/688428</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:</bold> Acute kidney injury is one of the most common complications after cardiac surgery with cardiopulmonary bypass, with the least favorable prognosis. Despite a variety of pharmacological and non-pharmacological interventions, there is no universally effective strategy for preventing acute kidney injury. One promising nephroprotective approach is activating renal functional reserve via amino acid infusion. <bold>AIM:</bold> The work aimed to assess the nephroprotective potential of perioperative intravenous infusion of a balanced amino acid solution in patients after cardiac surgery with cardiopulmonary bypass. <bold>METHODS:</bold> A randomized, double-blind, placebo-controlled, single-center study with pooled post hoc analysis included 260 patients aged 18–75 years who underwent elective cardiac surgery with cardiopulmonary bypass. The treatment group (n=130) received a 10% amino acid solution (2 g/kg/day for 24 hours); the control group (n=130) received an equal amount of balanced crystalloid solution. The primary endpoint was the estimated glomerular filtration rate according to the CKD-EPI equation. Secondary endpoints included the incidence, severity, and duration of acute kidney injury; urine output; diuretic use; duration of renal replacement therapy; and length of ICU/hospital stay. The statistical analysis included the Mann–Whitney U test, z-test, and Holm–Bonferroni correction. <bold>RESULTS:</bold> Amino acid infusion significantly improved renal function, with a median glomerular filtration rate of 79 [61; 93] vs 72 [55; 86] mL/min/1.73 m<sup>2</sup> (pHolm 0.0005). The incidence of acute kidney injury decreased from 29.2% to 18.5% (pHolm 0.042); the incidence of severe acute kidney injury from 17.7% to 6.2% (pHolm 0.0123); and the duration of acute kidney injury from 5 [4; 6] to 3 [3; 4] days (pHolm 0.0024). Serum creatinine and urea levels were lower, and urine output was higher in the treatment group. <bold>CONCLUSION:</bold> Perioperative amino acid infusion safely reduces the incidence and severity of acute kidney injury and improves renal function parameters after cardiac surgery with cardiopulmonary bypass, supporting its use as an early nephroprotective strategy.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Острое повреждение почек после кардиохирургических вмешательств с искусственным кровообращением остаётся одной из наиболее частых и прогностически неблагоприятных дисфункций органов. Одним из потенциальных направлений нефропротекции является активация функционального почечного резерва с помощью инфузии аминокислот. <bold>Цель исследования</bold> — оценить нефропротективное влияние периоперационной внутривенной инфузии сбалансированной смеси аминокислот у пациентов, перенёсших кардиохирургические операции с искусственным кровообращением. <bold>Методы.</bold> В рандомизированное слепое плацебоконтролируемое моноцентровое исследование с объединённым Post Hoc анализом включено 260 пациентов в возрасте 18–75 лет, которым выполнялась плановая кардиохирургия с искусственным кровообращением. В основной группе (n=130) проводилась инфузия 10% раствора аминокислот (2 г/кг в сутки, 24 ч); в группе контроля (n=130) — инфузия изотонического кристаллоидного раствора. Первичной конечной точкой являлась скорость клубочковой фильтрации, оценённая по формуле CKD-EPI. Вторичные конечные точки: частота, тяжесть и длительность острого повреждения почек, объём диуреза, потребность в диуретиках, длительность заместительной почечной терапии и пребывания в отделении реанимации и интенсивной терапии. Статистический анализ включал U-критерий Манна–Уитни, z-тест, поправку Холма–Бонферрони. <bold>Результаты.</bold> Инфузия аминокислот значимо улучшала функцию почек: медиана скорости клубочковой фильтрации 79 [61; 93] против 72 [55; 86] мл/ 1,73 м<sup>2</sup> в минуту (pHolm 0,0005). Частота острого повреждения почек снижена с 29,2% до 18,5% (pHolm 0,042), тяжёлые формы острого повреждения почек — с 17,7% до 6,2% (pHolm 0,0123), длительность острого повреждения почек — с 5 [4; 6] до 3 [3; 4] суток (pHolm 0,0024). Отмечено снижение концентрации креатинина, мочевины и увеличение диуреза. <bold>Заключение.</bold> Периоперационная инфузия аминокислот у кардиохирургических пациентов с искусственным кровообращением значимо снижает частоту и тяжесть острого повреждения почек, улучшает функциональные почечные показатели, не вызывает нежелательных реакций и может рассматриваться в качестве безопасной стратегии нефропротекции.</p></trans-abstract><kwd-group xml:lang="en"><kwd>acute kidney injury</kwd><kwd>amino acids</kwd><kwd>cardiac surgery</kwd><kwd>nephroprotection</kwd><kwd>cardiopulmonary bypass</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>острое повреждение почек</kwd><kwd>аминокислоты</kwd><kwd>кардиохирургия</kwd><kwd>нефропротекция</kwd><kwd>искусственное кровообращение</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Kamla CE, Meersch-Dini M, Palma LM. 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