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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">rmt</journal-id><journal-title-group><journal-title xml:lang="ru">Общая реаниматология</journal-title><trans-title-group xml:lang="en"><trans-title>General Reanimatology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-9779</issn><issn pub-type="epub">2411-7110</issn><publisher><publisher-name>FSBI "SRIGR" RAMS</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15360/1813-9779-2026-1-2618</article-id><article-id custom-type="elpub" pub-id-type="custom">rmt-2677</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>ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Аргон-кислородная смесь как мультисистемная терапия после остановки кровообращения: экспериментальное исследование</article-title><trans-title-group xml:lang="en"><trans-title>Argon-Oxygen Mixture as a Multisystem Therapy after Circulatory Arrest: an Experimental Study</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0422-5018</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Боева</surname><given-names>Е.  А. </given-names></name><name name-style="western" xml:lang="en"><surname>Boeva</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатерина Александровна Боева</p><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Ekaterina A. Boeva</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><email xlink:type="simple">eboeva@fnkcrr.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/0000-0001-7017-7897</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калабушев</surname><given-names>С.  Н. </given-names></name><name name-style="western" xml:lang="en"><surname>Kalabushev</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Николаевич Калабушев</p><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Sergey N. Kalabushev</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4420-1923</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Варнакова</surname><given-names>Л.  А. </given-names></name><name name-style="western" xml:lang="en"><surname>Varnakova</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лидия Александровна Варнакова</p><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Lidia A. Varnakova</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1735-592X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Любомудров</surname><given-names>М.  А. </given-names></name><name name-style="western" xml:lang="en"><surname>Lyubomudrov</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Максим Алексеевич Любомудров</p><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Maxim A. Lyubomudrov</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2441-6062</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Цоколаева</surname><given-names>З.  И. </given-names></name><name name-style="western" xml:lang="en"><surname>Tsokolaeva</surname><given-names>Z. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зоя Ивановна Цоколаева</p><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Zoya I. Tsokolaeva</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5930-0118</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузовлев</surname><given-names>А.  Н. </given-names></name><name name-style="western" xml:lang="en"><surname>Kuzovlev</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Артем Николаевич Кузовлев</p><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Artem N. Kuzovlev</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мороз</surname><given-names>В.  В. </given-names></name><name name-style="western" xml:lang="en"><surname>Moroz</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виктор Васильевич Мороз</p><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Victor V. Moroz</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4863-1958</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Острейков</surname><given-names>И.  Ф. </given-names></name><name name-style="western" xml:lang="en"><surname>Ostreykov</surname><given-names>I. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иван Федорович Острейков</p><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Ivan F. Ostreykov</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5230-5725</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Спиридонова</surname><given-names>Е.  А. </given-names></name><name name-style="western" xml:lang="en"><surname>Spiridonova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Александровна Спиридонова</p><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Elena A. Spiridonova</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0631-5666</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рыжков</surname><given-names>И.  А. </given-names></name><name name-style="western" xml:lang="en"><surname>Ryzhkov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иван Александрович Рыжков</p><p>107031, г. Москва, ул. Петровка, д. 25, стр. 2</p></bio><bio xml:lang="en"><p>Ivan A. Ryzhkov</p><p>25 Petrovka Str., Bldg. 2, 107031 Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>НИИ общей реаниматологии им. В. А. Неговского Федерального научно-клинического центра реаниматологии и реабилитологии Минобрнауки России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V. A. Negovsky Research Institute of General Reanimatology, Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, Ministry of Education and Science of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>16</day><month>02</month><year>2026</year></pub-date><volume>22</volume><issue>1</issue><fpage>26</fpage><lpage>40</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Боева Е.А., Калабушев С.Н., Варнакова Л.А., Любомудров М.А., Цоколаева З.И., Кузовлев А.Н., Мороз В.В., Острейков И.Ф., Спиридонова Е.А., Рыжков И.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Боева Е.А., Калабушев С.Н., Варнакова Л.А., Любомудров М.А., Цоколаева З.И., Кузовлев А.Н., Мороз В.В., Острейков И.Ф., Спиридонова Е.А., Рыжков И.А.</copyright-holder><copyright-holder xml:lang="en">Boeva E.A., Kalabushev S.N., Varnakova L.A., Lyubomudrov M.A., Tsokolaeva Z.I., Kuzovlev A.N., Moroz V.V., Ostreykov I.F., Spiridonova E.A., Ryzhkov I.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.reanimatology.com/rmt/article/view/2677">https://www.reanimatology.com/rmt/article/view/2677</self-uri><abstract><p>Остановка кровообращения остается одной из ведущих причин смертности во всем мире. Даже при успешной реанимации прогноз пациентов зачастую неблагоприятен из-за постреанимационного синдрома, включающего церебральную гипоксию, дисфункцию миокарда, нарушения микроциркуляции, коагуляции и системное воспаление. Аргон, инертный благородный газ, обладает нейропротекторными, кардиопротекторными свойствами, что делает его перспективным кандидатом при терапии в раннем постреанимационном периоде.</p><sec><title>Цель исследования</title><p>Цель исследования: оценить органопротекторные свойства аргон-кислородной смеси при его ингаляции в раннем постреанимационном периоде в течение 2-х ч после асфиксической остановки кровообращения у крыс.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Провели проспективное рандомизированное контролируемое экспериментальное исследование на крысах-самцах линии Wistar (n = 43) с использованием модели асфиксической остановки кровообращения. Животных разделили на три группы: ложнооперированные (ЛО, n = 12), остановка кровообращения с реанимацией (ОК, n = 13) и остановка кровообращения с реанимацией и двухчасовой ингаляцией аргон-кислородной смеси 70%/30% в постреанимационном периоде (ОК + iAr, n = 18). Оценивали показатели гемодинамики, микроциркуляции, газового состава крови, коагуляции (низкочастотная пьезотромбоэластография), неврологического статуса и биомаркеры повреждения органов. Провели иммуногистохимическое исследование экспрессии Beclin-1 и caspase-3.</p></sec><sec><title>Результаты</title><p>Результаты. Ингаляция аргона не оказывала существенного влияния на системную гемодинамику, однако сопровождалась улучшением тканевой оксигенации и метаболизма: снижением лактата крови (p = 0,043), повышением индекса оксигенации p/F (p = 0,001), стабилизацией вариабельности микроциркуляции (Kv, σ). В легких, миокарде и гиппокампе выявили статистически значимое повышение экспрессии белка Beclin-1, отражающее активацию аутофагии. В группе ОК + iAr отметили улучшение неврологического статуса по сравнению с ОК (p = 0,02), снижение нейронспецифической энолазы в сыворотке (p = 0,011) и уменьшение числа caspase-3-позитивных клеток (p = 0,011), что свидетельствовало о снижении апоптоза и повреждения нервной ткани. Аргон оказывал умеренное антикоагуляционное и антиагрегантное действие (снижение показателей максимальной плотности сгустка — МА и интенсивности коагуляционного драйва — ИКД) при сохранении нормальных процессов ретракции и лизиса сгустка. Электрофизиологические показатели сердца (QRS, QTc) изменялись в пределах физиологической нормы, что указывало на отсутствие проаритмогенного эффекта аргона.</p></sec><sec><title>Заключение</title><p>Заключение. Ранняя ингаляция аргон-кислородной смеси после остановки кровообращения оказывает мультисистемное протекторное действие: улучшает оксигенацию и микроциркуляцию, способствует активации аутофагических механизмов в жизненно важных органах, снижает выраженность нейронального повреждения, умеренно модулирует свертывание крови. Аргон может рассматриваться как перспективное терапевтическое средство при постреанимационном синдроме. Необходимы дальнейшие исследования для оценки молекулярных механизмов действия аргона и отдаленных исходов при его применении.</p></sec></abstract><trans-abstract xml:lang="en"><p>Cardiac arrest remains one of the leading causes of death worldwide. Even with successful resuscitation, patient outcomes are often poor due to post-resuscitation syndrome, which includes cerebral hypoxia, myocardial dysfunction, microcirculatory disorders, coagulation abnormalities, and systemic inflammation. Argon, an inert noble gas, has neuroprotective and cardioprotective properties, making it a promising candidate for early post-resuscitation therapy.</p><p>The aim of the study was to evaluate the organoprotective properties of an argon-oxygen mixture when inhaled in the early post-resuscitation period for 2 hours after asphyxial circulatory arrest in rats.</p><sec><title>Materials and methods</title><p>Materials and methods. A prospective randomized controlled experimental study was conducted on male Wistar rats (n = 43) using an asphyxial circulatory arrest model. The animals were divided into three groups: sham-operated (SO, n = 12), circulatory arrest with resuscitation (CAR, n = 13), and circulatory arrest with resuscitation and two-hour inhalation of a 70%/30% argon-oxygen mixture in the post-resuscitation period (CAR + iAr, n = 18). Hemodynamics, microcirculation, blood gas composition, coagulation (low-frequency piezothromboelastography), neurological status, and biomarkers of organ damage were evaluated. Beclin-1 and caspase-3 expression was analyzed immunohistochemically.</p></sec><sec><title>Results</title><p>Results. Argon inhalation did not have a significant effect on systemic hemodynamics, but it was accompanied by improved tissue oxygenation and metabolism: a decrease in blood lactate (p = 0.043), an increase in the p/F oxygenation index (p = 0.001), and stabilization of microcirculation variability (Kv, σ). Statistically significantly increased expression of the Beclin-1 protein in the lungs, myocardium, and hippocampus reflected activation of autophagy. In the CAR + iAr group, there was an improvement in neurological status compared to CAR (p = 0.02), a decrease in serum neuron-specific enolase (p = 0.011), and a decrease in the number of caspase-3-positive cells (p = 0.011), indicating a reduction in apoptosis and damage to the nervous tissue. Argon had a moderate anticoagulant and antiplatelet effect (coagulation drive intensity — CDI, and maximum clot firmness-MCF reduction), while maintaining normal processes of clot retraction and lysis. The electrophysiological parameters of the heart (QRS, QTc) varied within the physiological range, indicating the absence of pro-arrhythmic effects in argon.</p></sec><sec><title>Conclusion</title><p>Conclusion. Early inhalation of argon-oxygen mixture after circulatory arrest has a multisystem protective effect: improves oxygenation and microcirculation, promotes activation of autophagy mechanisms in vital organs, reduces the severity of neuronal damage, and modulates blood clotting in some measure. Argon can be considered a promising therapeutic agent for post-resuscitation syndrome. Further clarification is needed to assess argon’s molecular mechanisms of action and long-term outcomes after its use.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>аргон-кислородная смесь</kwd><kwd>остановка кровообращения</kwd><kwd>постреанимационный синдром</kwd><kwd>нейропротекция</kwd><kwd>кардиопротекция</kwd><kwd>аутофагия</kwd><kwd>Beclin-1</kwd><kwd>микроциркуляция</kwd><kwd>коагуляция</kwd><kwd>апоптоз</kwd><kwd>нейронспецифическая энолаза</kwd></kwd-group><kwd-group xml:lang="en"><kwd>argon-oxygen mixture</kwd><kwd>circulatory arrest</kwd><kwd>post-resuscitation syndrome</kwd><kwd>neuroprotection</kwd><kwd>cardioprotection</kwd><kwd>autophagy</kwd><kwd>Beclin-1</kwd><kwd>microcirculation</kwd><kwd>coagulation</kwd><kwd>apoptosis</kwd><kwd>neuron-specific enolase</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">Кузовлев А. Н., Бобошко В. А., Боева Е. 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