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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">10.15360/1813-9779-2011-6-24</article-id><article-id custom-type="elpub" pub-id-type="custom">rmt-251</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>МЕХАНИЗМЫ РАЗВИТИЯ КРИТИЧЕСКИХ СОСТОЯНИЙ И ИХ КОРРЕКЦИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MECHANISMS FOR THE DEVELOPMENT OF CRITICAL CONDITIONS AND THE CORRECTION</subject></subj-group></article-categories><title-group><article-title>Механизмы кардиотоксического действия амитриптилина</article-title><trans-title-group xml:lang="en"><trans-title>Mechanisms of the Cardiotoxic Action of Amitriptyline</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>Чекмарев</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chekmarev</surname><given-names>G. V.</given-names></name></name-alternatives><email xlink:type="simple">gtchekmarev@narod.ru</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Долгих</surname><given-names>В. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Dolgikh</surname><given-names>V. T.</given-names></name></name-alternatives><email xlink:type="simple">-</email></contrib></contrib-group><pub-date pub-type="collection"><year>2011</year></pub-date><pub-date pub-type="epub"><day>20</day><month>12</month><year>2011</year></pub-date><volume>7</volume><issue>6</issue><issue-title>Том VII № 6 2011 г.</issue-title><fpage>24</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чекмарев Г.В., Долгих В.Т., 2011</copyright-statement><copyright-year>2011</copyright-year><copyright-holder xml:lang="ru">Чекмарев Г.В., Долгих В.Т.</copyright-holder><copyright-holder xml:lang="en">Chekmarev G.V., Dolgikh V.T.</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/251">https://www.reanimatology.com/rmt/article/view/251</self-uri><abstract><p>Цель исследования — изучить механизмы токсического действия амитриптилина на миокард. Материал и методы. Исследования проведены на изолированных, перфузируемых по методу Fallen et al. сердцах 30 белых беспородных крыс. Выполнено две серии экспериментов: в одной серии в раствор Кребса-Хензелайта был добавлен амитриптилин в дозе 250 нг/мл (I группа), в другой концентрация амитриптилина в растворе, проходившем через коронарное русло, составила 1250 нг/мл (II группа). Животных наркотизировали тиопенталом натрия (25 мг/кг внутрибрюшинно). Результаты. Амитриптилин угнетает сократительную функцию миокарда, что особенно отчетливо выражается при навязывании ритма высокой частоты. Это проявляется снижением скоростных и силовых показателей сократимости и ростом диастолического давления в левом желудочке. Амитриптилин снижает эффективность использования глюкозы и увеличивает выделение ферментов в коронарный проток. Заключение. Показано, что в основе отрицательного хроно-инотропного эффекта при отравлении амитриптилином лежит гипоергоз, мембранодеструкция и недостаточность ионных насосов кардиомиоцитов. Ключевые слова: амитриптилин, острое отравление, изолированное сердце, повреждение миокарда.</p></abstract><trans-abstract xml:lang="en"><p>Objective: to study the mechanisms of toxic action of amitriptyline on the myocardium. Material and methods. Investigations were conducted using the hearts from 30 outbred albino rats, which had been isolated and perfused according to the procedure described by Fallen et al. There were two series of experiments: 1) amitriptyline was added in a dose of 250 ng/ml to Krebs-Henseleit solution (Group 1); 2) the agent was added at another concentration (1250 ng/ml) to the solution passing through the coronary bed (Group 2). The animals were anesthetized with thiopental sodium (25 mg/kg) peritoneally. Results. Amitriptyline depresses myocardial contractility, which is particularly obvious with high-rate pacing. This manifests itself as reduced contractile velocity and force-power parameters and elevated left ventricular diastolic pressure. Amitriptyline lowers the efficacy of glucose and increases the release of enzymes into the coronary duct. Conclusion. Hypoergosis, membrane destruction, and cardiomyocyte ion pump failure have been shown to underlie negative chronotropic and inotropic effects in amitriptyline poisoning. Key words: amitriptyline, acute poisoning, isolated heart, myocardial damage.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru"></mixed-citation><mixed-citation xml:lang="en"></mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Kisely S, Cox M, Campbell L. A. et al. 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