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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2020-64-3-332-340</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-888</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>МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MEDICINE</subject></subj-group></article-categories><title-group><article-title>О значимости гиперлактатемии в реализации инфаркт-лимитирующего эффекта дистантного ишемического посткондиционирования при ишемии-реперфузии миокарда в эксперименте</article-title><trans-title-group xml:lang="en"><trans-title>On the significance of hyperlactatemia in the implementation of the infarct-limiting effect of remote ischemic postconditioning in myocardial ischemia-reperfusion in the experiment</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чепелев</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Chepelev</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чепелев Сергей Николаевич – ст. преподаватель</p><p>пр-т Дзержинского, 83, 220116, Минск </p></bio><bio xml:lang="en"><p>Chepelev Sergey N. – Senior lecturer</p><p>83, Dzerzhinsky Ave., 220116, Minsk </p></bio><email xlink:type="simple">drserge1991@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Висмонт</surname><given-names>Ф. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Vismont</surname><given-names>F. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Висмонт Франтишек Иванович – член-корреспондент, д-р мед. наук, профессор, заведующий кафедрой</p><p>пр-т Дзержинского, 83, 220116, Минск </p></bio><bio xml:lang="en"><p>Vismont Frantishek I. – Corresponding Member, D. Sc. (Medicine), Professor, Head of the Department</p><p>83, Dzerzhinsky Ave., 220116, Minsk </p></bio><email xlink:type="simple">patfiz@bsmu.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Губкин</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Goubkin</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Губкин Сергей Владимирович – д-р мед. наук, профессор, директор</p><p>ул. Академическая, 28, 220072, Минск </p></bio><bio xml:lang="en"><p>Gubkin Sergey V. – D. Sc. (Medicine), Professor, Director</p><p>28, Akademicheskaya Str., 220072, Minsk </p></bio><email xlink:type="simple">Goubkin@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный медицинский университет</institution></aff><aff xml:lang="en"><institution>Belarusian State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физиологии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Physiology of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>09</day><month>07</month><year>2020</year></pub-date><volume>64</volume><issue>3</issue><fpage>332</fpage><lpage>340</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чепелев С.Н., Висмонт Ф.И., Губкин С.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Чепелев С.Н., Висмонт Ф.И., Губкин С.В.</copyright-holder><copyright-holder xml:lang="en">Chepelev S.N., Vismont F.I., Goubkin S.V.</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://doklady.belnauka.by/jour/article/view/888">https://doklady.belnauka.by/jour/article/view/888</self-uri><abstract><p>Современная медицина стоит перед проблемой неуклонного роста сердечно-сосудистой патологии. Учитывая высокую медицинскую и социальную значимость проблемы лечения пациентов с ишемической болезнью сердца и острым инфарктом миокарда, поиск новых эффективных методов предотвращения или ослабления ишемического повреждения миокарда и выяснение механизмов их реализации является актуальной задачей современной экспериментальной и клинической медицины. Целью исследования было выяcнение значимости гиперлактатемии в реализации инфаркт-лимитирующего эффекта дистантного ишемического посткондиционирования (ДИПостК) при ишемии-реперфузии миокарда у крыс в эксперименте. В ходе исследования выявлено, что после 15-минутного ДИПостК, которое выполнялось через 10 мин после 30-минутной острой ишемии миокарда с последующей 120-минутной реперфузией, уровень лактата в плазме крови у крыс повышался в 1,88 раза (на 87,7 % (p &lt; 0,05)) по сравнению с интактными животными. Установлено, что введение в левую общую яремную вену L-лактата в дозе 10 мг/кг, которое осуществлялось через 25 мин от начала реперфузии в условиях ишемии (30 мин) и последующей реперфузии (120 мин) миокарда, как и ДИПостК (через 10 мин от начала реперфузии), которое воспроизводилось ишемией этих конечностей, оказывают инфаркт-лимитирующий эффект. По-видимому, повышение уровня лактата в крови (гиперлактатемия), возникающее после ДИПостК в условиях ишемии-реперфузии миокарда, имеет значение в реализации его инфаркт-лимитирующего эффекта.</p></abstract><trans-abstract xml:lang="en"><p>Modern medicine faces the problem of the growth of cardiovascular pathology. Given the high medical and social significance of the problem of treating patients with coronary heart disease and acute myocardial infarction, the search for new effective methods to prevent or weaken ischemic myocardial damage and mechanisms for their implementation is an urgent task of modern experimental and clinical medicine. The aim of the study was to determine the significance of hyperlactatemia in the realization of the infarct-limiting effect of remote ischemic postconditioning (RIPostC) in rat myocardial ischemia-reperfusion in the experiment. The study revealed that after 15-minute RIPostC, which was performed 10 minutes after 30-minute acute myocardial ischemia followed by 120-minute reperfusion, the plasma lactate level in rats increased 1.87 times (87.7 %, p &lt; 0.05) compared with intact animals. It was established that the introduction of L-lactate into the left common jugular vein at a dose of 10 μg/kg, which was carried out 25 minutes after the onset of reperfusion under the conditions of myocardial ischemia (30 minutes) and next reperfusion (120 minutes) and RIPostC (10 minutes after the onset of reperfusion), which was reproduced by ischemia of these limbs, have a heart attack-limiting effect. The increase of the level of blood lactate (hyperlactatemia) after RIPostC in myocardial ischemia-reperfusion is of significance in the implementation of its infarct-limiting effect.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дистантное ишемическое посткондиционирование</kwd><kwd>инфаркт-лимитирующий эффект</kwd><kwd>зона риска</kwd><kwd>зона некроза</kwd><kwd>гиперлактатемия</kwd><kwd>крысы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>remote ischemic postconditioning</kwd><kwd>heart attack-limiting effect</kwd><kwd>area at risk</kwd><kwd>area at necrosis</kwd><kwd>hyperlactatemia</kwd><kwd>rats</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">Мрочек, А. Г. Сердечно-сосудистые заболевания в Республике Беларусь: анализ ситуации и стратегии контроля / А. Г. Мрочек [и др.] – Минск, 2011. – 341 с.</mixed-citation><mixed-citation xml:lang="en">Mrochek A. 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