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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">10.20996/1819-6446-2024-3034</article-id><article-id custom-type="edn" pub-id-type="custom">MEZODT</article-id><article-id custom-type="elpub" pub-id-type="custom">rpcardio-3034</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>Digital model for predicting the risk of developing acute decompensated heart failure</article-title><trans-title-group xml:lang="ru"><trans-title>Цифровая модель прогнозирования риска острой декомпенсации сердечной недостаточности</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2769-3807</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лебедева</surname><given-names>Н. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Lebedeva</surname><given-names>N. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лебедева Наталия Борисовна - д.м.н., доцент, ведущий научный сотрудник лаборатории реабилитации.</p><p>Кемерово</p></bio><bio xml:lang="en"><p>Nataliya B. Lebedeva.</p><p>Kemerovo</p></bio><email xlink:type="simple">lebenb@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/0009-0009-2547-0782</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Егле</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Egle</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Егле Альберт Павлович - ординатор-кардиолог.</p><p>Кемерово</p></bio><bio xml:lang="en"><p>Albert P. Egle.</p><p>Kemerovo</p></bio><email xlink:type="simple">albert_egle@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/0000-0002-8079-5397</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аргунова</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Argunova</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аргунова Юлия Александровна - д,м.н., зав. лабораторией реабилитации.</p><p>Кемерово</p></bio><bio xml:lang="en"><p>Yulia A. Argunova.</p><p>Kemerovo</p></bio><email xlink:type="simple">argunova-u@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/0000-0002-4642-3610</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барбараш</surname><given-names>О. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Barbarash</surname><given-names>O. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Барбараш Ольга Леонидовна - академик РАН, Директор НИИ КПССЗ.</p><p>Кемерово</p></bio><bio xml:lang="en"><p>Olga L. Barbarash.</p><p>Kemerovo</p></bio><email xlink:type="simple">olb61@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute for Complex Issues of Cardiovascular Diseases</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>18</day><month>06</month><year>2024</year></pub-date><volume>20</volume><issue>3</issue><fpage>309</fpage><lpage>315</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Lebedeva N.B., Egle A.P., Argunova Y.A., Barbarash O.L., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Лебедева Н.Б., Егле А.П., Аргунова Ю.А., Барбараш О.Л.</copyright-holder><copyright-holder xml:lang="en">Lebedeva N.B., Egle A.P., Argunova Y.A., Barbarash O.L.</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/3034">https://www.rpcardio.online/jour/article/view/3034</self-uri><abstract><sec><title>Aim</title><p>Aim. Development and external validation of a risk prediction model for acute decompensated heart failure (ADHF) in patients with low left ventricular ejection fraction.</p></sec><sec><title>Material and methods</title><p>Material and methods. The model development group was represented by patients with heart failure with reduced ejection fraction (HFrEF) included in a registry observational study from 2015 to 2019, a total of 260 patients, age 59 (53; 66) years, 214 (82.3%) — men. External validation of the model was carried out in a cohort of independent prospective observation of 94 patients with HFrEF from the same registry for the period from 2020 to 2021, median age 66 (52;73) years, of which 73 (77.6%) were men. The prospective follow-up period was 4.6 (2.3; 4.9) years in the internal validation group, 2.5 (1.7; 2.9) years in the external validation group. Data were obtained on the status of patients, causes of death, and the frequency of hospitalizations for ADHF. The actual and predicted incidence of ADHF using the evaluated prognostic model was compared.</p></sec><sec><title>Results</title><p>Results. During the observation period in the internal validation group, ADHF developed in 69 (26.5%) patients, and 47 (18.1%) died due to ADHF. The prognostic regression model included LA enlargement of more than 45 mm, male gender, left ventricular ejection fraction less than 35%, absence of renin-angiotensin system blocker and amiodarone. When performing ROC analysis, the area under the ROC curve (AUC) of the created model was 0.8, sensitivity model — 69.2%, specificity — 80%, accuracy — 75.3%. In the external validation group, 34 (36.2%) cases of ADHF were registered; mortality from ADHF in the external validation group was 15.9%, which is comparable to the development group (p &gt; 0.05). The diagnostic value of the developed model during external validation showed to be high and was comparable to the results obtained in the development group: the area under the ROC curve (AUC) was 0.8, sensitivity — 73.3%, specificity — 82.5%, accuracy 76.1%, (p=0.102, McNeil test).</p></sec><sec><title>Conclusion</title><p>Conclusion. The developed regression model has sufficient statistical power to predict the risk of ADHF in patients with low left ventricular ejection fraction in the long term, which is confirmed by external validation.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Цель</title><p>Цель. Разработка и внешняя проверка модели прогнозирования риска развития острой декомпенсации сердечной недостаточности (ОДСН) у пациентов с низкой фракцией выброса левого желудочка (ФВ ЛЖ).</p></sec><sec><title>Материал и методы</title><p>Материал и методы. 260 пациентов с сердечной недостаточностью с низкой фракцией выброса левого желудочка (СНнФВ), включенные в регистровое обсервационное исследование пациентов с имплантированным кардиовертером-дефибриллятором в период с 2015 по 2019 годы (возраст 59 [53; 66] лет, 214 [82,3%] — мужчины), составили группу внутренней валидации для разработки модели. Внешняя валидация модели проведена в когорте независимого проспективного наблюдения 94 пациентов с СНнФВ из этого же регистра за период с 2020 по 2021 гг., медиана возраста 66 (52;73) лет, из них 73 (77,6%) мужчины. Период проспективного наблюдения составил 4,6 (2,3; 4,9) года в группе внутренней валидации, 2,5 (1,7; 2,9) года в группе внешней валидации. Были получены данные о статусе пациентов, причинах смерти, частоте случаев госпитализации по поводу ОДСН. Сравнивалась фактическая и прогнозируемая по оцениваемой прогностической модели частота ОДСН.</p></sec><sec><title>Результаты</title><p>Результаты. За период наблюдения в группе внутренней валидации ОДСН развилась у 69 (26,5%) пациентов, умерли при причине ОДСН 47 (18,1%). В прогностическую регрессионную модель вошли: увеличение левого предсердия более 45 мм, мужской пол, ФВ ЛЖ менее 35%, отсутствие приема блокатора ренин-ангиотензиновой системы и амиодарона. При проведении ROC-анализа площадь под ROC-кривой (AUC) созданной модели составила 0,8, чувствительность модели — 69,2%, специфичность — 80%, точность — 75,3%. В группе внешней валидации зарегистрированы 34 (36,2%) случая ОДСН, летальность от ОДСН составила 15,9%, что сопоставимо с группой разработки (р&gt;0,05). Диагностическая ценность разработанной модели при внешней валидации показала себя высокой и была сопоставима с результатами, полученными в группе разработки: площадь под ROC-кривой (AUC) составила 0,8, чувствительность — 73,3%, специфичность — 82,5%, точность 76,1%, (р=0,102, тест McNeil).</p></sec><sec><title>Заключение</title><p>Заключение. Разработанная регрессионная модель обладает достаточной статистической мощностью для прогнозирования риска ОДСН у пациентов с низкой фракцией выброса левого желудочка в отдаленном периоде, что подтверждено внешней валидацией.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>сердечная недостаточность</kwd><kwd>острая декомпенсация</kwd><kwd>прогностическая модель</kwd><kwd>внешняя валидация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heart failure</kwd><kwd>acute decompensation</kwd><kwd>prognostic model</kwd><kwd>external validation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при поддержке ФГБНУ "Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний".</funding-statement><funding-statement xml:lang="en">The study was carried out with the support of the Research Institute for Complex Problems of Car­diovascular Diseases.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Savarese G, Becher PM, Lund LH, et al. 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DOI:10.17116/Cardiobulletin2021160215.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
