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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">rpcardio</journal-id><journal-title-group><journal-title xml:lang="en">Rational Pharmacotherapy in Cardiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Рациональная Фармакотерапия в Кардиологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1819-6446</issn><issn pub-type="epub">2225-3653</issn><publisher><publisher-name>«SILICEA-POLIGRAF» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20996/1819-6446-2025-3210</article-id><article-id custom-type="edn" pub-id-type="custom">HZALTK</article-id><article-id custom-type="elpub" pub-id-type="custom">rpcardio-3210</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="en"><subject>ORIGINAL STUDIES</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group></article-categories><title-group><article-title>The role of left atrial strain in predicting cardiovascular outcomes in patients with type 2 diabetes and intermediate probability of heart failure with preserved ejection fraction</article-title><trans-title-group xml:lang="ru"><trans-title>Роль деформации левого предсердия в прогнозировании сердечно-сосудистых исходов у пациентов с сахарным диабетом 2 типа и промежуточной вероятностью сердечной недостаточности с сохраненной фракцией выброса</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5873-1768</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кобалава</surname><given-names>Ж. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Kobalava</surname><given-names>Zh. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кобалава Жанна Давидовна  </p><p>Москва</p></bio><bio xml:lang="en"><p>Zhanna D. Kobalava </p><p>Moscow </p></bio><email xlink:type="simple">zkobalava@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/0009-0009-2669-8092</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хуцишвили</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Khutsishvili</surname><given-names>N. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хуцишвили Нуцико Ивановна </p><p>Москва</p></bio><bio xml:lang="en"><p>Nutsiko I. Khutsishvili </p><p>Moscow </p></bio><email xlink:type="simple">nutsiko.khutsishvili@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/0000-0003-2412-5986</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сафарова</surname><given-names>А. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Safarova</surname><given-names>A. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сафарова Айтен Фурадовна </p><p>Москва</p></bio><bio xml:lang="en"><p>Ayten F. Safarova </p><p>Moscow </p></bio><email xlink:type="simple">aytensaf@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/0000-0001-6586-7404</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тимофеева</surname><given-names>Т. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Timofeeva</surname><given-names>T. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тимофеева Татьяна Михайловна </p><p>Москва</p></bio><bio xml:lang="en"><p>Tatyana M. Timofeeva </p><p>Moscow </p></bio><email xlink:type="simple">timtan@bk.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/0000-0001-6847-8797</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Толкачева</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tolkacheva</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Толкачева Вероника Владимировна </p><p>Москва</p></bio><bio xml:lang="en"><p>Veronika V. Tolkacheva </p><p>Moscow </p></bio><email xlink:type="simple">tolkachevav@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/0000-0002-4389-9752</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ефимова</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Efimova</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ефимова Виктория Павловна </p><p>Москва</p></bio><bio xml:lang="en"><p>Victoriia P. Efimova </p><p>Moscow </p></bio><email xlink:type="simple">efimovavp@zdrav.mos.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВО «Российский университет дружбы народов им. Патриса Лумумбы»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Patrice Lumumba Peoples’ Friendship University of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Университетский клинический центр им. В. В. Виноградова (филиал) ФГАОУ ВО «Российский университет дружбы народов им. Патриса Лумумбы"</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vladimir Vinogradov University Medical Center, branch of Patrice Lumumba Peoples’ Friendship University of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>25</day><month>10</month><year>2025</year></pub-date><volume>21</volume><issue>4</issue><fpage>354</fpage><lpage>361</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Kobalava Z.D., Khutsishvili N.I., Safarova A.F., Timofeeva T.M., Tolkacheva V.V., Efimova V.P., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Кобалава Ж.Д., Хуцишвили Н.И., Сафарова А.Ф., Тимофеева Т.М., Толкачева В.В., Ефимова В.П.</copyright-holder><copyright-holder xml:lang="en">Kobalava Z.D., Khutsishvili N.I., Safarova A.F., Timofeeva T.M., Tolkacheva V.V., Efimova V.P.</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.rpcardio.online/jour/article/view/3210">https://www.rpcardio.online/jour/article/view/3210</self-uri><abstract><p>Aim. To assess the prognostic value of left atrial reservoir strain for predicting the risk of major adverse cardiovascular events in patients with type 2 diabetes (T2D) and intermediate probability of heart failure with preserved ejection fraction (HFpEF) over a 1-year follow-up period.Material and methods. A prospective study initially screened 164 patients with T2D (mean age 61±8 years) presenting with dyspnea and preserved left ventricular ejection fraction (≥50%). Using the HFA-PEFF score: HFpEF was considered unlikely with ≤1 point and confirmed with ≥5 points. The final study cohort comprised 58 patients with intermediate HF probability (2-4 points). These patients underwent standard clinical assessment, including laboratory and instrumental tests, as well as diastolic stress echocardiography (DSE) with physical exercise on a horizontal bicycle ergometer. A positive DSE result was defined as either: 1) an increase in E/e’ ratio ≥15 during exercise (2 points), or 2) an increase in E/e’≥15 accompanied by tricuspid regurgitation velocity &gt;3.4 m/s (3 points). Left atrial strain (LAS) was assessed using speckle-tracking echocardiography with focus on reservoir function, with abnormal values defined as ≤18%.Results. According to DSE, 29.3% of patients had a positive result, confirming a diagnosis of heart failure with preserved ejection fraction (HFpEF). This group exhibited significantly lower LAS values both at rest and during exercise. Reduced LAS during exercise was correlated with increased left ventricular filling pressure. Furthermore, LAS demonstrated independent prognostic value in assessing the risk of adverse events. Kaplan-Meier analysis revealed a statistically significant association between LAS ≤18% and the risk of reaching the composite endpoint in the HFpEF group (Log Rank = 14.72; p &lt;0,001). Conclusion. In patients with type 2 diabetes and intermediate HFpEF probability, reduced left atrial reservoir strain (≤18%) is a significant predictor of adverse cardiovascular events within a 1-year follow-up period.</p></abstract><trans-abstract xml:lang="ru"><p>Цель. Оценить прогностическое значение изменения левого предсердия (ДЛП) в фазе резервуара для прогнозирования риска серьезных неблагоприятных сердечно-сосудистых событий у пациентов с сахарным диабетом 2 типа и промежуточной сердечной недостаточностью с сохраненной фракцией выброса (СНсФВ) в течение 1 года наблюдения. Материал и методы. В проспективном исследовании первоначально было скринировано 164 пациента с сахарным диабетом 2 типа (средний возраст — 61±8 лет), предъявляющих жалобы на одышку и подтвержденных при эхокардиографии сохраненную фракцию выброса левого желудочка (≥50%). После оценки по шкале HFA-PEFF при наличии 1 балла и менее диагноза СНсФВ считается маловероятным, ≥5 баллов — подтвержденным. В окончательную выборку вошли 58 пациентов с промежуточной тестированием СН (2-4 балла), которым проводилось стандартное клиническое исследование, включая лабораторные и инструментальные методы, а также диастолический стресс-эхокардиографический тест (ДСТ) с физикальным определением по горизонтальным велоэргометрам для постановки диагноза СНсФВ. Положительное ДСТИ повышение значения Е/e' ≥15 на фоне нагрузки (2 балла) или повышение Е/e' ≥15 с одновременным изменением скорости ТР &gt;3,4 м/с (3 балла). ДЛП измерялась методом спекл-трекинговой эхокардиографии с акцентом на резервуарную функцию. Аномальные значения установлены на уровне ≤18% для ДЛП. Результаты. По данным ДСТ, у 29,3% пациентов был зарегистрирован положительный результат, что является источником диагностировать СНсФВ. В этой группе отмечаются более низкие показатели ДЛП как в покое, так и при странах. Установлено, что снижение ДЛП на фоне физической нагрузки коррелирует с повышением давления наполнения левого желудочка. Кроме того, ДЛП продемонстрировала независимую прогностическую ценность в отношении риска неблагоприятных событий. Анализ кривых Каплана–Мейера выявил характерную значимую связь между ДЛП ≤18% и риском достижения сочетанной конечной точки в группе пациентов с СНсФВ (логарифмический ранг = 14,72; p &lt;0,001). Заключение. У пациентов с сахарным диабетом 2 типа и промежуточной нагрузкой снижение СНсФВ ДЛП в фазе резервуара (&lt;18%) является значимым предиктором неблагоприятных событий в течение года наблюдения.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>деформация левого предсердия</kwd><kwd>промежуточная вероятность сердечной недостаточности</kwd><kwd>диастолическая стресс-эхокардиография</kwd><kwd>сердечная недостаточность с сохраненной фракцией выброса</kwd><kwd>спекл-трекинг</kwd><kwd>сахарный диабет 2 типа</kwd><kwd>NT-proBNP</kwd><kwd>левое предсердие</kwd><kwd>диастолическая функция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>left atrial strain</kwd><kwd>intermediate heart failure probability</kwd><kwd>diastolic stress echocardiography</kwd><kwd>heart failure with preserved ejection fraction</kwd><kwd>speckle-tracking</kwd><kwd>type 2 diabetes</kwd><kwd>NT-proBNP</kwd><kwd>left atrium</kwd><kwd>diastolic 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">Sanchis L, Gabrielli L, Andrea R, et al. 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