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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">cardio</journal-id><journal-title-group><journal-title xml:lang="ru">Кардиология</journal-title><trans-title-group xml:lang="en"><trans-title>Kardiologiia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0022-9040</issn><issn pub-type="epub">2412-5660</issn><publisher><publisher-name>Kardiomag</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18087/cardio.2017.9.10029</article-id><article-id custom-type="elpub" pub-id-type="custom">cardio-24</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>АРИТМИИ СЕРДЦА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CARDIAC ARRHYTHMIAS</subject></subj-group></article-categories><title-group><article-title>СТРУКТУРНО-ФУНКЦИОНАЛЬНЫЕ ХАРАКТЕРИСТИКИ ЛЕВОГО ПРЕДСЕРДИЯ У ЗДОРОВЫХ ДОБРОВОЛЬЦЕВ И ПАЦИЕНТОВ С ФИБРИЛЛЯЦИЕЙ ПРЕДСЕРДИЙ ПО ДАННЫМ МАГНИТНО-РЕЗОНАНСНОЙ ТОМОГРАФИИ СЕРДЦА</article-title><trans-title-group xml:lang="en"><trans-title>Structural and Functional Properties of the Left Atrium in Healthy Volunteers and Patients With Atrial Fibrillation: Data of Magnetic Resonance Imaging</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>Апарина</surname><given-names>О. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Aparina</surname><given-names>Olga P.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Стукалова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Stukalova</surname><given-names>O. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Пархоменко</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Parkhomenko</surname><given-names>D. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Миронова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mironova</surname><given-names>N. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Страздень</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Strazdenj</surname><given-names>E. Yu.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Терновой</surname><given-names>С. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Ternovoy</surname><given-names>S. K.1'</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Голицын</surname><given-names>С. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Golitsyn</surname><given-names>S. P.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>«Институт клинической кардиологии им. А. Л. Мясникова» ФГБУ «Российский кардиологический научно-производственный комплекс» Минздрава РФ</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>ФГБОУ ВО «Московский государственный университет им. М. В. Ломоносова»</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-3"><institution>«Институт клинической кардиологии им. А. Л. Мясникова» ФГБУ «Российский кардиологический научно-производственный комплекс» Минздрава РФ; ФГАОУ ВО «Первый Московский государственный медицинский университет им. И. М. Сеченова» Минздрава РФ</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>17</day><month>11</month><year>2018</year></pub-date><volume>57</volume><issue>9</issue><fpage>5</fpage><lpage>13</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Kardiomag, 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Kardiomag</copyright-holder><copyright-holder xml:lang="en">Kardiomag</copyright-holder><license xlink:href="https://cardio.elpub.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://cardio.elpub.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://cardio.elpub.ru/jour/article/view/24">https://cardio.elpub.ru/jour/article/view/24</self-uri><abstract><p>Цель. Оценка структурно-функциональных характеристик левого предсердия с помощью магнитно-резонансной томографии (МРТ) у здоровых добровольцев (ЗД) и пациентов с фибрилляцией предсердий (ФП). Материалы и методы. В исследование включены 53 больных ФП и 23 ЗД, сопоставимых по возрасту. У 28 больных ФП не обнаружено признаков заболеваний сердечно-сосудистой системы, 25 больных ФП страдали гипертонической болезнью (ГБ). Всем лицам, включенным в исследование, была проведена МРТ сердца в кинорежиме для оценки объемов и функции камер сердца: конечный диастолической объем (КДО) левого предсердия (ЛП), фракция выброса (ФВ) ЛП, диастолический индекс (ДИ) левого желудочка (ЛЖ). МРТ с отсроченным контрастированием проводили через 15-20 мин после введения гадоверсетамида. Использовали градиент-эхо МР-импульсную последовательность высокого разрешения с подавлением сигнала от здорового миокарда и жировой ткани. На полученных изображениях с отсроченным контрастированием контуры миокарда ЛП обводили в полуавтоматическом режиме. Фиброз предсердий выявляли при помощи разработанной авторами оригинальной программы LGE Heart Analyzer. Количественные проявления фиброза были рассчитаны автоматически как выраженная в процентах объемная доля миокарда, накопившего контрастный препарат. Результаты. Группы ЗД и ФП различались по КДО ЛП (59 [54; 78] мл и 79 [65,5; 86,6] мл соответственно; р=0,043) и ФВ ЛП (56,1 [49; 63,2] % и 44,5 [34,5; 54,5] % соответственно; р=0,03). У ЗД было выявлено фиброзное поражение ЛП, достоверно менее выраженное, чем при ФП (0,7 [0,05; 3,5] % и 9,1 [1,7; 18] %; р&lt;0,001). В группе ЗД немногочисленные фиброзные очаги располагались чаще всего в нижних отделах задней стенки ЛП. В группе ФП зоны фиброза ЛП располагались преимущественно вокруг устьев легочных вен. У ЗД факторами, коррелировавшими с долей фиброза, были КДО ЛП (r=0,4; р=0,04), возраст (r=0,66; p&lt;0,001) и ДИ ЛЖ (r= -0,5; p=0,015). Выраженность фиброза ЛП у больных ФП коррелировала с КДО ЛП (r=0,37; p&lt;0,001), ФВ ЛП (r= -0,4; р&lt;0,001) и степенью АГ (r=0,35; p=0,01). Выводы. Среди ЗД может быть выявлен фиброз миокарда ЛП малой выраженности с преимущественной локализацией в области задней стенки ЛП, примыкающей к кольцу митрального клапана. Пациенты с ФП характеризуются расширением полости ЛП наряду со снижением его сократимости, а также достоверно более выраженным по сравнению со ЗД очаговым фиброзом миокарда ЛП, располагающимся чаще всего в области устьев легочных вен.</p></abstract><trans-abstract xml:lang="en"><p>Background. In the recent years, there has been an increasing number of publications postulating that data on left atrial (LA) structure obtained by late gadolinium enhancement magnetic resonance imaging (LGE MRI) can improve the management of patients with atrial fibrillation (AF). At the same time, similar data regarding healthy LA myocardium is limited. Aim. To assess structural and functional properties of LA in healthy volunteers (HV) using cardiac magnetic resonance (CMR) (including LGE MRI); to compare these properties in patients with AF and HV. Materials and methods. We included in this study 53 patients with AF (28 without signs of cardiovascular disease, 28 with hypertension) and 23 HV of similar age. All enrolled persons underwent MRI. Cine-MRI was used to assess end diastolic volume of LA (LA EDV), LA ejection fraction (LA EF), left ventricular diastolic index (LV DI). High resolution LGE MRI was performed 15-20 min after gadoversetamide injection using IR 3D gradient echo pulse sequence with fat saturation (TI 290-340 ms, TE 2.44 ms, TR 610-1100ms). On obtained images LA was segmented semiautomatically. LA fibrosis quantification was performed using developed software LGE Heart Analyzer. The extent of fibrosis was represented as percent of LA myocardium volume. Fibrosis location was determined on reconstructed rotating 3D LA model. Results. Compared with patients HV had lower LA EDV (59 [54; 78] ml and 79 [65.5; 86.6] ml, р=0.043, respectively), higher LA EF (56.1 [49; 63.2] % and 44.5 [34.5, 54.5] %, р=0.03, respectively), and lower extent of LA fibrosis (0.7 [0.05; 3.5] % and 9.1 [1.7; 18] %, р&lt;0.001). In HV sparse foci of fibrosis were located predominately in the inner part of LA posterior wall. In AF predominant fibrosis location was pulmonary vein ostia region. In HV the extent of LA fibrosis correlated with LA EDV (r=0.4, р=0.04), age (r=0.66, p&lt;0.001) and LV DI (r= -0.5, p=0.015). In AF the extent of LA fibrosis correlated with LA EDV (r=0.37, p&lt;0.001), LA EF (r= - 0.4, р&lt;0.001) and grade of hypertension (r=0.35, p=0.01). Conclusions. In HV LA is characterized by normal EDV and EF. Minor LA fibrosis which can be found in HV is located predominantly in inner part of LA posterior wall adjacent to the mitral valve. Patients with AF are characterized by LA dilatation, LA EF reduction and pronounced LA fibrosis (compared to HV ) predominantly located near ostia of pulmonary veins.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фибрилляция предсердий</kwd><kwd>здоровые лица</kwd><kwd>структурное ремоделирование</kwd><kwd>фиброз левого предсердия</kwd><kwd>магнитно-резонансная томография сердца с отсроченным контрастированием</kwd><kwd>моделирование сердца</kwd><kwd>atrial fibrillation</kwd><kwd>healthy subjects</kwd><kwd>structural remodeling</kwd><kwd>left atrial fibrosis</kwd><kwd>late gadolinium enhancement magnetic resonance imaging</kwd><kwd>heart modelling</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">Ball J., Carrington M.J. et al. Atrial fibrillation: profile and burden of an evolving epidemic in the 21st century. Int J Cardiol 2013;167 (5):1807-1824. 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