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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">russjcardiol</journal-id><journal-title-group><journal-title xml:lang="ru">Российский кардиологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Cardiology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1560-4071</issn><issn pub-type="epub">2618-7620</issn><publisher><publisher-name>«SILICEA-POLIGRAF» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15829/1560-4071-2025-6308</article-id><article-id custom-type="edn" pub-id-type="custom">SGCIBB</article-id><article-id custom-type="elpub" pub-id-type="custom">russjcardiol-6308</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>ОСТРАЯ И ХРОНИЧЕСКАЯ И СЕРДЕЧНАЯ НЕДОСТАТОЧНОСТЬ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ACUTE AND CHRONIC HEART FAILURE. ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Роль ремоделирования левого предсердия при подтвержденной сердечной недостаточности с сохраненной фракцией выброса: фокус на своевременную диагностику</article-title><trans-title-group xml:lang="en"><trans-title>Role of left atrial remodeling in confirmed heart failure with preserved ejection fraction: focus on timely diagnosis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4325-2633</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Широков</surname><given-names>Н. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Shirokov</surname><given-names>N. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Широков Никита Евгеньевич — к.м.н., врач ультразвуковой диагностики, н.с. лаборатории инструментальной диагностики научного отдела инструментальных методов исследования</p><p>Томск</p></bio><bio xml:lang="en"><p>Tomsk</p></bio><email xlink:type="simple">shirokov.ne@mail.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/0000-0003-1436-8853</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ярославская</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Yaroslavskaya</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ярославская Елена Ильинична — д.м.н., в.н.с., зав. лабораторией инструментальной диагностики научного отдела инструментальных методов исследования</p><p>Томск</p></bio><bio xml:lang="en"><p>Tomsk</p></bio><email xlink:type="simple">yaroslavskayae@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4993-056X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Криночкин</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krinochkin</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Криночкин Дмитрий Владиславович — к.м.н., зав. отделением ультразвуковой диагностики, с.н.с. лаборатории инструментальной диагностики научного отдела инструментальных методов исследования</p><p>Томск</p></bio><bio xml:lang="en"><p>Tomsk</p></bio><email xlink:type="simple">krin@infarkta.net</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8280-2028</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мусихина</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Musikhina</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мусихина Наталья Алексеевна — к.м.н., в.н.с., зав. отделением неотложной кардиологии научного отдела клинической кардиологии</p><p>Томск</p></bio><bio xml:lang="en"><p>Tomsk</p></bio><email xlink:type="simple">musihina@infarkta.net</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тюменский кардиологический научный центр, ФГБНУ Томский национальный исследовательский медицинский центр Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tyumen Cardiology Research Center, Tomsk National Research Medical Center</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>10</day><month>10</month><year>2025</year></pub-date><volume>30</volume><issue>9</issue><fpage>6308</fpage><lpage>6308</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Широков Н.Е., Ярославская Е.И., Криночкин Д.В., Мусихина Н.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Широков Н.Е., Ярославская Е.И., Криночкин Д.В., Мусихина Н.А.</copyright-holder><copyright-holder xml:lang="en">Shirokov N.E., Yaroslavskaya E.I., Krinochkin D.V., Musikhina N.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://russjcardiol.elpub.ru/jour/article/view/6308">https://russjcardiol.elpub.ru/jour/article/view/6308</self-uri><abstract><sec><title>Цель</title><p>Цель. Исследовать структурно-функциональное состояние сердца при подтвержденной сердечной недостаточности с сохраненной фракцией выброса (СНсФВ) в зависимости от тяжести диастолической дисфункции (ДД) левого желудочка (ЛЖ).</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Осуществлен анализ данных 303 пациентов с ДД ЛЖ (45,2% мужчин, средний возраст 66,3±6,0 года). Диастолический стресс-тест (ДСТ) проведен при недостаточном количестве критериев для заключения о СНсФВ по данным эхокардиографии покоя (n=251). В исследование включены 153 пациента с подтвержденной СНсФВ (35,3% мужчин, средний возраст 67,0±5,6 года). Группу I (n=101) составили пациенты со снижением диастолического резерва ЛЖ при ДСТ (E/e′ &gt;14); группу II (n=52) — больные с выраженной ДД ЛЖ в покое, не требующие ДСТ для заключения о СНсФВ. Метод отслеживания движения пятен (speckle tracking echo) использован для оценки деформации резервуарной фазы левого предсердия (Left Atrial reservoir Strain, LASr).</p></sec><sec><title>Результаты</title><p>Результаты. При анализе основных клинико-функциональных параметров между группами были выявлены статистически значимые различия по тесту 6-мин ходьбы (400,0 [360,0;440,0] м в группе I и 365,5 [310,5;401,5] м в группе II, соответственно; р&lt;0,001) и концентрации N-концевого промозгового натрийуретического пептида (NT-proBNP) (257,7 [100,0;443,3] пг/мл и 412,0 [191,4;780,2] пг/мл; р=0,002). При проведении эхокардиографии покоя выявлены достоверные различия по индексу объема левого предсердия (иоЛП) (33,5 [29,2;40,1] мл/м2 и 40,8 [37,3;47,6] мл/м2; р&lt;0,001), отношению E/e′ (11,3 [10,1;12,6] и 16,3 [14,9;19,2]; р&lt;0,001), LASr (21,3 [19,5;24,7]% и 15,0 [12,5;17,3]%; р&lt;0,001). По данным корреляционного анализа у больных СНсФВ выявлены связи умеренной силы: LASr и E/e′ (r=-0,538; р&lt;0,001), LASr и иоЛП (r=-0,443; р&lt;0,001), отмечено отсутствие связи между LASr и NT-proBNP (r=-0,157; р=0,060). При анализе ДСТ были выявлены статистически значимые различия по всем характеристикам увеличения ДН ЛЖ в группе I.</p></sec><sec><title>Заключение</title><p>Заключение. Для пациентов с подтвержденной СНсФВ при увеличении давления наполнения ЛЖ характерно угнетение резервуарной функции ЛП и расширение полости ЛП. Фазовый анализ деформации ЛП и проведение ДСТ позволяет своевременно диагностировать СНсФВ.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. To study the heart structural and functional state in confirmed heart failure with preserved ejection fraction (HFpEF) depending on the severity of left ventricle (LV) diastolic dysfunction.</p></sec><sec><title>Material and methods</title><p>Material and methods. Data from 303 patients with LV diastolic dysfunction (men 45,2%, mean age 66,3±6,0 years) were analyzed. The diastolic stress test (DST) was performed when the criteria for HFpEF according to resting echocardiography data was insufficient (n=251). The study included 153 patients with confirmed HFpEF (men 35,3%, mean age 67,0±5,6 years). Group I (n=101) included patients with decreased LV diastolic reserve in DST (E/e’ &gt;14), while group II (n=52) — patients with significant LV diastolic dysfunction at rest who do not require DST to verify HFpEF. The speckle-tracking echocardiography was used to assess left atrial reservoir strain (LASr).</p></sec><sec><title>Results</title><p>Results. Significant differences were found in the 6-min walk test (400,0 [360,0;440,0] m in group I vs 365,5 [310,5;401,5] m in group II, respectively; p&lt;0,001) and N-terminal pro-brain natriuretic peptide (NT-proBNP) level (257,7 [100,0;443,3] pg/ml and 412,0 [191,4;780,2] pg/ml; p=0,002). Resting echocardiography revealed significant differences in the left atrium (LA) volume index (VI) (33,5 [29,2;40,1] ml/m2 vs 40,8 [37,3; 47,6] ml/m2; p&lt;0,001), E/e’ ratio (11,3 [10,1;12,6] and 16,3 [14,9;19,2]; p&lt;0,001), LASr (21,3 [19,5;24,7]% and 15,0 [12,5;17,3]%; p&lt;0,001). Following moderate correlations were found in patients with HFpEF: LASr and E/e’ (r=-0,538; p&lt;0,001), LASr and LAVI (r=-0,443; p&lt;0,001). There was no correlation between LASr and NT-proBNP (r=-0,157; p=0,060). When analyzing the DST, significant differences were found in all characteristics in group I.</p></sec><sec><title>Conclusion</title><p>Conclusion. Patients with confirmed HFpEF with an increase in LV filling pressure are characterized by LA reservoir dysfunction and LA dilation. Phase analysis of LA strain and DST allows for timely diagnosis of HFpEF.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>сердечная недостаточность с сохраненной фракцией выброса</kwd><kwd>левое предсердие</kwd><kwd>диастолическая дисфункция</kwd><kwd>диастолический стресстест</kwd><kwd>эхокардиография</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heart failure with preserved ejection fraction</kwd><kwd>left atrium</kwd><kwd>diastolic dysfunction</kwd><kwd>diastolic stress test</kwd><kwd>echocardiography</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">Овчинников А.Г., Потехина А.В., Филатова А.Ю. и др. Роль левого предсердия в патогенезе сердечной недостаточности с сохраненной фракцией выброса. Кардиология. 2024;64(11):132-47. doi:10.18087/cardio.2024.11.n2799.</mixed-citation><mixed-citation xml:lang="en">Ovchinnikov AG, Potekhina AV, Filatova AYu, et al. 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