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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">phkinetica</journal-id><journal-title-group><journal-title xml:lang="ru">Фармакокинетика и Фармакодинамика</journal-title><trans-title-group xml:lang="en"><trans-title>Pharmacokinetics and Pharmacodynamics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-7836</issn><issn pub-type="epub">2686-8830</issn><publisher><publisher-name>ООО «Издательство ОКИ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37489/2587-7836-2021-1-14-17</article-id><article-id custom-type="elpub" pub-id-type="custom">phkinetica-267</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>ДОКЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ ФАРМАКОДИНАМИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PRECLINICAL PHARMACODYNAMICS STUDIES</subject></subj-group></article-categories><title-group><article-title>Сравнительная оценка эхокардиографических характеристик левого желудочка сердца у самок и самцов крыс</article-title><trans-title-group xml:lang="en"><trans-title>Comparative evaluation of echocardiographic characteristics of the heart left ventricle in female and male rats</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0154-722X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ионова</surname><given-names>Е. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Ionova</surname><given-names>E. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ионова Екатерина Олеговна, м. н. с. лаборатории фармакологического скрининга</p><p>SPIN-код: 5042-1952</p><p>Москва </p></bio><bio xml:lang="en"><p>Ionova Ekaterina O., Junior Research Scientist of Laboratory of Pharmacological Screening</p><p>SPIN code: 5042-1952</p><p>Moscow </p></bio><email xlink:type="simple">mrakusha26@rambler.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/0000-0003-4229-3107</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барчукова</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Barchukova</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Барчуков Владимир Валерьевич, н. с. лаборатории фармакологического скрининга</p><p>SPIN-код: 6743-4280</p><p>Москва </p></bio><bio xml:lang="en"><p>Barchukov Vladimir V., Research scientist of laboratory of pharmacological screening</p><p>SPIN code: 6743-4280</p><p>Moscow </p></bio><email xlink:type="simple">barchukov.pharm@yandex.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/0000-0002-7407-7516</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вититнова</surname><given-names>М. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Vititnova</surname><given-names>M. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вититнова Марина Борисовна, к. м. н., с. н. с. лаборатории фармакологического скрининга</p><p>SPIN-код: 1901-8919</p><p>Москва </p></bio><bio xml:lang="en"><p>Vititnova Marina B., PhD Biological Sci., Senior researcher scientist of laboratory of pharmacological screening</p><p>SPIN code: 1901-8919</p><p>Moscow </p></bio><email xlink:type="simple">MB-Vit@yandex.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/0000-0002-3988-7724</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Цорин</surname><given-names>И. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsorin</surname><given-names>I. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цорин Иосиф Борисович, д. б. н., в. н. с. лаборатории фармакологического скрининга</p><p>SPIN-код: 4015-3025</p><p>Москва </p></bio><bio xml:lang="en"><p>Tsorin Iosif B., Dr. Sci. Biological, Leading researcher of laboratory of pharmacological screening</p><p>SPIN code: 4015-3025</p><p>Moscow </p></bio><email xlink:type="simple">tsorin@yandex.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/0000-0003-2832-4739</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крыжановский</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kryzhanovskii</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крыжановский Сергей Александрович, д. м. н., зав. лабораторией фармакологического скрининга</p><p>SPIN-код: 6596-4865</p><p>Москва </p></bio><bio xml:lang="en"><p>Kryzhanovskiy Sergey A., Dr. Sci. (Med.), Head of laboratory of pharmacological screening</p><p>SPIN code: 6596-4865</p><p>Moscow </p></bio><email xlink:type="simple">SAK-538@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «НИИ фармакологии имени В.В. Закусова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FSBI “Zakusov Institute of Pharmacology”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>27</day><month>09</month><year>2021</year></pub-date><volume>0</volume><issue>1</issue><fpage>14</fpage><lpage>17</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ионова Е.О., Барчукова Е.И., Вититнова М.Б., Цорин И.Б., Крыжановский С.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Ионова Е.О., Барчукова Е.И., Вититнова М.Б., Цорин И.Б., Крыжановский С.А.</copyright-holder><copyright-holder xml:lang="en">Ionova E.O., Barchukova E.I., Vititnova M.B., Tsorin I.B., Kryzhanovskii S.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.pharmacokinetica.ru/jour/article/view/267">https://www.pharmacokinetica.ru/jour/article/view/267</self-uri><abstract><p>Цель настоящего исследования – сравнительная оценка эхокардиографических показателей самок и самцов нелинейных крыс. В опытах на наркотизированных крысах (кетамин 100 мг/кг, в/б) показано, что у крыс самок размеры и объёмы левого желудочка меньше, чем у самцов, однако по сравнению с самцами у них фракция выброса левого желудочка, характеризующая его инотропную функцию, статистически значимо выше.</p></abstract><trans-abstract xml:lang="en"><p>The aim of the present study is a comparative assessment of the echocardiographic characteristics in female and male mongrel rats. In experiments on anesthetized rats (ketamine 100 mg / kg, iv), it was shown that in female rats, the size and volume of the left ventricle are smaller than in males, but compared with males, their left ventricular ejection fraction, which characterizes its inotropic function, is statistically significantly higher.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эхокардиография</kwd><kwd>крысы</kwd><kwd>самцы</kwd><kwd>самки</kwd><kwd>половые различия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>echocardiography</kwd><kwd>rats</kwd><kwd>males</kwd><kwd>females</kwd><kwd>sex differences</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">Regitz-Zagrosek V, Seeland U. Sex and gender differences in myocardial hypertrophy and heart failure. Wien Med Wochenschr. 2011;161(5-6):109–116. 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