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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">kpccz</journal-id><journal-title-group><journal-title xml:lang="ru">Комплексные проблемы сердечно-сосудистых заболеваний</journal-title><trans-title-group xml:lang="en"><trans-title>Complex Issues of Cardiovascular Diseases</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2306-1278</issn><issn pub-type="epub">2587-9537</issn><publisher><publisher-name>Federal State Budgetary Institution “Research Institute for Complex Issues of Cardiovascular Diseases”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17802/2306-1278-2018-7-2-137-145</article-id><article-id custom-type="elpub" pub-id-type="custom">kpccz-430</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>АНАЛИТИЧЕСКИЙ ОБЗОР</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ANALYTICAL REVIEW</subject></subj-group></article-categories><title-group><article-title>МЕХАНИЧЕСКАЯ ФУНКЦИЯ ЛЕВОГО ПРЕДСЕРДИЯ И ЕЕ НАРУШЕНИЯ ПОСЛЕ АНТРАЛЬНОЙ ИЗОЛЯЦИИ ЛЕГОЧНЫХ ВЕН</article-title><trans-title-group xml:lang="en"><trans-title>LEFT ATRIAL MECHANICAL FUNCTION AND ITS DISORDERS AFTER PULMONARY VEIN ANTRUM ISOLATION</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>Мамчур</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamchur</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>научный сотрудник лаборатории ультразвуковых и электро-физиологических методов диагностики</p></bio><bio xml:lang="en"><p>researcher at the Laboratory of Ultrasound and Electrophysiological Methods of Diagnostics</p></bio><email xlink:type="simple">mamchuririna77@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>Чичкова</surname><given-names>Т. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Chichkova</surname><given-names>T. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>научный сотрудник лаборатории нарушения ритма сердца и электрокардиостимуляции</p></bio><bio xml:lang="en"><p>researcher at the Laboratory of Heart Rhythm Disorders and Pacing</p></bio><email xlink:type="simple">mamchuririna77@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>Каретникова</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Karetnikova</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор, заведующая лабораторией патологии кровобращения</p></bio><bio xml:lang="en"><p>PhD, Head of the Department of Cardiovascular Disease Diagnosis, Head of the Laboratory of Heart Rhythm Disorders and Pacing</p></bio><email xlink:type="simple">mamchuririna77@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>Мамчур</surname><given-names>С. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamchur</surname><given-names>S. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, зав. отделом диагностики сер-дечно-сосудистых заболеваний, зав. лабораторией нарушения ритма сердца и электрокар-диостимуляции</p></bio><bio xml:lang="en"><p>research assistant at the Laboratory of Heart Rhythm Disorders and Pacing</p></bio><email xlink:type="simple">mamchuririna77@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>Романова</surname><given-names>М. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Romanova</surname><given-names>M. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник лаборатории нарушения ритма сердца и электрокардиостимуляции</p></bio><email xlink:type="simple">mamchuririna77@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное научное учреждение «Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний»<country>Россия</country></aff><aff xml:lang="en">Federal State Budgetary Scientific Institution «Research Institute for Complex Problems of CarDiovascular Diseases»<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>29</day><month>06</month><year>2018</year></pub-date><volume>7</volume><issue>2</issue><fpage>137</fpage><lpage>145</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мамчур И.Н., Чичкова Т.Ю., Каретникова В.Н., Мамчур С.Е., Романова М.П., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Мамчур И.Н., Чичкова Т.Ю., Каретникова В.Н., Мамчур С.Е., Романова М.П.</copyright-holder><copyright-holder xml:lang="en">Mamchur I.N., Chichkova T.Y., Karetnikova V.N., Mamchur S.E., Romanova M.P.</copyright-holder><license 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.nii-kpssz.com/jour/article/view/430">https://www.nii-kpssz.com/jour/article/view/430</self-uri><abstract><p>В статье изложены современные представления о механической функции левого предсердия (ЛП), ее компонентах и механизмах ремоделирования после процедуры антральной изоляции легочных вен. ЛП – это сердечная камера, которая выполняет не только транспортную функцию, но, являясь «органом» сложным как в анатомическом, так и в функциональном плане, активно реагирует на изменение гемодинамических условий, влияние гуморальных и вегетативных факторов. Структурное, механическое и электрическое ремоделирование ЛП играют большую роль в аритмогенезе фибрилляции предсердий, а также в механизме поддержания аритмии. Механическая дисфункция ЛП, развивающаяся после катетерной аблации фибрилляции предсердий, оказывает существенное влияние на внутрисердечную гемодинамику, ухудшает самочувствие пациентов, а также увеличивает риск тромбоэмболических осложнений как в ближайшем, так и в отдаленном послеоперационном периодах.</p></abstract><trans-abstract xml:lang="en"><p>The article presents new insights into the left atrial mechanical function, its main components and remodeling mechanisms after pulmonary vein antrum isolation. Left atrium is a cardiac chamber that transports blood. Being a complex «organ» both in anatomical and functional terms, it responds to hemodynamic derangements, the impact of humoral and vegetative factors. Structural, mechanical and electrical remodeling of the left atrium play a key role in the arrhythmogenesis of atrial fibrillation, as well as in the mechanism of arrhythmia maintenance. Left atrial mechanical dysfunction following catheter ablation of atrial fibrillation significantly affects intracardiac hemodynamics, worsens patients' well-being, and increases the risk of thromboembolic complications both in the immediate and long-term postoperative period.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фибрилляция предсердий</kwd><kwd>криоаблация</kwd><kwd>радиочастотная аблация</kwd><kwd>изоляция легочных вен</kwd><kwd>левое предсердие</kwd><kwd>механическая функция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>atrial fibrillation</kwd><kwd>cryoablation</kwd><kwd>radiofrequency ablation</kwd><kwd>pulmonary vein isolation</kwd><kwd>left atrium</kwd><kwd>mechanical function</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">Диагностика и лечение фибрилляции предсердий / Рекомендации ВНОК и ВНОА. 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