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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Terapevticheskii arkhiv</journal-id><journal-title-group><journal-title xml:lang="en">Terapevticheskii arkhiv</journal-title><trans-title-group xml:lang="ru"><trans-title>Терапевтический архив</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0040-3660</issn><issn publication-format="electronic">2309-5342</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">82968</article-id><article-id pub-id-type="doi">10.26442/00403660.2021.09.201034</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Dynamics of Holter electrocardiogram monitoring in patients with chronic heart failure and atrial fibrillation on the background of cardiac contractility modulation</article-title><trans-title-group xml:lang="ru"><trans-title>Динамика показателей холтеровского мониторирования электрокардиограммы у пациентов с хронической сердечной недостаточностью и фибрилляцией предсердий на фоне модуляции сердечной сократимости</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3483-4698</contrib-id><name-alternatives><name xml:lang="en"><surname>Safiullina</surname><given-names>Alfiya A.</given-names></name><name xml:lang="ru"><surname>Сафиуллина</surname><given-names>Альфия Ахатовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>канд. мед. наук, науч. сотр. отд. заболеваний миокарда и сердечной недостаточности Института клинической кардиологии им. А.Л. Мясникова ФГБУ «НМИЦ кардиологии»</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4318-0315</contrib-id><name-alternatives><name xml:lang="en"><surname>Uskach</surname><given-names>Tatiana M.</given-names></name><name xml:lang="ru"><surname>Ускач</surname><given-names>Татьяна Марковна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д-р мед. наук, вед. науч. сотр. отд. заболеваний миокарда и сердечной недостаточности Института клинической кардиологии им. А.Л. Мясникова ФГБУ «НМИЦ кардиологии», проф. каф. кардиологии ФГБУ ДПО РМАНПО</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4767-198X</contrib-id><name-alternatives><name xml:lang="en"><surname>Sharapova</surname><given-names>Yulduz S.</given-names></name><name xml:lang="ru"><surname>Шарапова</surname><given-names>Юлдуз Шамсиддиновна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>врач-аспирант отд. заболеваний миокарда и сердечной недостаточности Института клинической кардиологии им. А.Л. Мясникова ФГБУ «НМИЦ кардиологии»</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3632-291X</contrib-id><name-alternatives><name xml:lang="en"><surname>Kochetov</surname><given-names>Anatolii G.</given-names></name><name xml:lang="ru"><surname>Кочетов</surname><given-names>Анатолий Глебович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д-р мед. наук, проф. каф. госпитальной терапии с курсом клинической лабораторной диагностики ФГАОУ ВО РУДН, ректор АНО ДПО «Институт лабораторной медицины»</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5186-2474</contrib-id><name-alternatives><name xml:lang="en"><surname>Sapelnikov</surname><given-names>Oleg V.</given-names></name><name xml:lang="ru"><surname>Сапельников</surname><given-names>Олег Валерьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д-р мед. наук, рук. лаб. хирургических и рентгенохирургических методов лечения нарушений ритма сердца отд. сердечно-сосудистой хирургии ФГБУ «НМИЦ кардиологии»</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9234-6129</contrib-id><name-alternatives><name xml:lang="en"><surname>Tereshchenko</surname><given-names>Sergey N.</given-names></name><name xml:lang="ru"><surname>Терещенко</surname><given-names>Сергей Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д-р мед. наук, проф., рук. отд. заболеваний миокарда сердечной недостаточности Института клинической кардиологии им. А.Л. Мясникова ФГБУ «НМИЦ кардиологии», зав. каф. кардиологии ФГБУ ДПО РМАНПО</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">National Medical Research Center of Cardiology</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр кардиологии» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Russian Medical Academy of Continuous Professional Education</institution></aff><aff><institution xml:lang="ru">ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">People’s Friendship University of Russia (RUDN University)</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский университет дружбы народов»</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Institute of Laboratory Medicine</institution></aff><aff><institution xml:lang="ru">АНО ДПО «Институт лабораторной медицины»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-09-15" publication-format="electronic"><day>15</day><month>09</month><year>2021</year></pub-date><volume>93</volume><issue>9</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>1044</fpage><lpage>1051</lpage><history><date date-type="received" iso-8601-date="2021-10-09"><day>09</day><month>10</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-10-09"><day>09</day><month>10</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ter-arkhiv.ru/0040-3660/article/view/82968">https://ter-arkhiv.ru/0040-3660/article/view/82968</self-uri><abstract xml:lang="en"><p><bold>Aim</bold>. To evaluate the dynamics of cardiac arrhythmias on the background of cardiac contractility modulation (MCC) in patients with chronic heart failure (CHF) and various forms of atrial fibrillation (AF) on the basis of daily electrocardiogram (ECG) monitoring.</p> <p><bold>Materials and methods</bold>. In 100 patients with CHF and AF, the following studies were performed before implantation of the MCC device and after 12 months of follow-up: 12-channel ECG with an estimate of the width of the QRS complex, transthoracic echocardiography (EchoCG), and Holter ECG monitoring. All patients received long-term optimal drug therapy for CHF before surgery.</p> <p><bold>Results</bold>. The results obtained indicate that there is no effect of MCC on the development and progression of ventricular arrhythmias in patients with CHF and AF during the year of follow-up, both extrasystole and tachyarrhythmias, regardless of the etiology and LVEF (less than 35% or more than 35%), and a decrease in the frequency of AF paroxysms in patients with CHF during treatment. These results are due to the reverse remodeling of the LV myocardium under the influence of the MCC device.</p> <p><bold>Conclusion</bold>. The use of MСС in patients with CHF and AF is a safe method of therapy that does not induce cardiac arrhythmias, including ventricular extrasystole. Large-scale comparative studies are required to evaluate these results.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель</bold>. Оценить динамику нарушений ритма сердца на фоне модуляции сердечной сократимости (МСС) у пациентов с хронической сердечной недостаточностью (ХСН) и различными формами фибрилляции предсердий (ФП) по данным суточного мониторирования электрокардиограммы (ЭКГ).</p> <p><bold>Материалы и методы</bold>. У 100 пациентов с ХСН и ФП до имплантации устройства МСС и через 12 мес наблюдения проводились следующие исследования: 12-канальная ЭКГ с оценкой ширины комплекса QRS, трансторакальная эхокардиография, холтеровское мониторирование ЭКГ. Все пациенты до операции получали длительную оптимальную медикаментозную терапию ХСН.</p> <p><bold>Результаты</bold>. Полученные результаты свидетельствуют об отсутствии влияния МСС на развитие и прогрессирование желудочковых нарушений ритма сердца у пациентов с ХСН и ФП в течение года наблюдения, как экстрасистол, так и тахиаритмий независимо от этиологии и фракции выброса левого желудочка (менее 35 или более 35%), снижение частоты возникновения пароксизмов ФП у пациентов с ХСН на фоне лечения. Данные результаты обусловлены обратным ремоделированием миокарда левого желудочка под воздействием МСС-устройства.</p> <p><bold>Заключение</bold>. Применение МСС у пациентов с ХСН и ФП является безопасным методом терапии, не индуцирующим нарушения ритма сердца, в том числе желудочковую экстрасистолию. Для оценки данных результатов требуется проведение крупномасштабных сравнительных исследований.</p></trans-abstract><kwd-group xml:lang="en"><kwd>heart failure</kwd><kwd>cardiac contractility modulation</kwd><kwd>QRS complex</kwd><kwd>Holter ECG monitoring</kwd><kwd>ventricular extrasystole</kwd><kwd>atrial fibrillation</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>сердечная недостаточность</kwd><kwd>модуляция сердечной сократимости</kwd><kwd>узкий комплекс QRS</kwd><kwd>холтеровское мониторирование электрокардиограммы</kwd><kwd>желудочковая экстрасистолия</kwd><kwd>фибрилляция предсердий</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Klein L, Hsia H. Sudden cardiac death in heart failure. Cardiol Clin. 2014;32:135-44. DOI:10.1016/j.ccl.2013.09.008</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Packer M. 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