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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">RUDN Journal of Medicine</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Медицина</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-0245</issn><issn publication-format="electronic">2313-0261</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">45189</article-id><article-id pub-id-type="doi">10.22363/2313-0245-2025-29-2-143-152</article-id><article-id pub-id-type="edn">TAXBMI</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CARDIOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КАРДИОЛОГИЯ</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">Prognostic value of red cell distribution width in acute myocardial infarction</article-title><trans-title-group xml:lang="ru"><trans-title>Прогностическое значение ширины распределения эритроцитов при остром инфаркте миокарда</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2013-2647</contrib-id><contrib-id contrib-id-type="spin">5684-0275</contrib-id><name-alternatives><name xml:lang="en"><surname>Hoang</surname><given-names>Truong Huy</given-names></name><name xml:lang="ru"><surname>Хоанг</surname><given-names>Ч. Х.</given-names></name></name-alternatives><email>truonghh@pnt.edu.vn</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/0009-0002-2135-2606</contrib-id><contrib-id contrib-id-type="spin">7370-7545</contrib-id><name-alternatives><name xml:lang="en"><surname>Maiskov</surname><given-names>Victor V.</given-names></name><name xml:lang="ru"><surname>Майсков</surname><given-names>В. В.</given-names></name></name-alternatives><email>truonghh@pnt.edu.vn</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/0000-0001-6818-8845</contrib-id><contrib-id contrib-id-type="spin">4477-7559</contrib-id><name-alternatives><name xml:lang="en"><surname>Merai</surname><given-names>Imad A.</given-names></name><name xml:lang="ru"><surname>Мерай</surname><given-names>И. А.</given-names></name></name-alternatives><email>truonghh@pnt.edu.vn</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/0000-0002-5873-1768</contrib-id><contrib-id contrib-id-type="spin">9828-5409</contrib-id><name-alternatives><name xml:lang="en"><surname>Kobalava</surname><given-names>Zhanna D.</given-names></name><name xml:lang="ru"><surname>Кобалава</surname><given-names>Ж. Д.</given-names></name></name-alternatives><email>truonghh@pnt.edu.vn</email><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Pham Ngoc Thach University of Medicine</institution></aff><aff><institution xml:lang="ru">Медицинский университет Фам Нгок Тач</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Tam Duc Heart Hospital</institution></aff><aff><institution xml:lang="ru">Кардиологическая больница Там Дык</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">RUDN University</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов имени Патриса Лумумбы</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Vinogradov Municipal Clinical Hospital</institution></aff><aff><institution xml:lang="ru">ородская клиническая больница им. В.В. Виноградова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-06-28" publication-format="electronic"><day>28</day><month>06</month><year>2025</year></pub-date><volume>29</volume><issue>2</issue><issue-title xml:lang="en">CARDIOLOGY</issue-title><issue-title xml:lang="ru">КАРДИОЛОГИЯ</issue-title><fpage>143</fpage><lpage>152</lpage><history><date date-type="received" iso-8601-date="2025-07-22"><day>22</day><month>07</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Hoang T.H., Maiskov V.V., Merai I.A., Kobalava Z.D.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Хоанг Ч.Х., Майсков В.В., Мерай И.А., Кобалава Ж.Д.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Hoang T.H., Maiskov V.V., Merai I.A., Kobalava Z.D.</copyright-holder><copyright-holder xml:lang="ru">Хоанг Ч.Х., Майсков В.В., Мерай И.А., Кобалава Ж.Д.</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/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/medicine/article/view/45189">https://journals.rudn.ru/medicine/article/view/45189</self-uri><abstract xml:lang="en"><p><italic>Relevance. </italic>Red cell distribution width (RDW), a marker of erythrocyte size variability, is considered a potential prognostic factor in cardiovascular diseases. Accurate risk assessment in acute myocardial infarction (MI) is crucial, yet identifying reliable prognostic markers remains essential for guiding clinical decisions and improving long-term survival. This study aims to investigate the prognostic value of RDW on admission for long-term mortality in patients with acute MI.<bold> </bold><italic>Materials and methods</italic><bold>.</bold> The prospective observational study included 577 MI patients who underwent coronary angiography within 24 hours of admission. Demographic data, vital signs, laboratory test data, and comorbidities were collected from the database. The clinical endpoint was 18‑month mortality. The associations between RDW, clinical parameters and clinical outcomes was evaluated using logistic regression and receiver operating characteristic (ROC) analysis.<bold> </bold><italic>Results</italic> <italic>and Discussion</italic><bold>. </bold>The median age of patients was 65 (interquartile range [IQR]: 56–74) years, 60.7% were male. The 18‑month mortality rate was 11.4% (n  =  66). Median RDW was 14.2% (IQR 13.5–15.0). RDW was correlated with age, history of coronary artery disease, previous MI, previous cerebrovascular accidents, atrial fibrillation, peripheral artery disease, hemoglobin, left ventricular ejection fraction and GRACE score. Patients with 18‑month mortality had significantly higher RDW values compared to survivors (15.0% vs. 14.1%, <italic>p </italic> &lt;  0.001). Higher RDW values were associated with an increased 18‑month mortality (quartile 1: 3.9%, quartile 2: 5.4%, quartile 3: 13.4%, quartile 4: 23.9%, <italic>p</italic> &lt; 0.001). Univariate analysis revealed that RDW was associated with 18‑month mortality (odds ratio [OR]: 1.38; 95% confidence interval [CI]: 1.20–1.58, <italic>p</italic> &lt; 0.001). Multivariate analysis revealed RDW as an independent predictor of 18‑month mortality (adjusted OR: 1.33, 95% CI: 1.12–1.58, <italic>p</italic> &lt; 0.001). The area under the ROC curve of RDW was 0.708 (95% CI: 0.642–0.775, <italic>p</italic> &lt; 0.001) for predicting 18‑month mortality. The optimal cutoff value of RDW to predict 18‑month mortality was 14.2% with a sensitivity of 78.8% and a specificity of 54.8%.<bold> </bold><italic>Conclusion</italic><bold>. </bold>Elevated RDW value on admission was associated with an increased risk of 18‑month mortality in patients with acute MI. RDW was an independent predictor of 18‑month mortality in patients with acute MI, highlighting its potential as a prognostic marker in this population.</p></abstract><trans-abstract xml:lang="ru"><p><italic>Актуальность.</italic> Ширина распределения эритроцитов (red blood cell distribution width, RDW), показатель вариабельности размера эритроцитов рассматриваются как потенциальный прогностический фактор при сердечно-­сосудистых заболеваниях. Точное оценивание риска при остром инфаркте миокарда (ИМ) крайне важно, однако выявление надежных прогностических маркеров остается необходимым для принятия клинических решений и улучшения долгосрочной выживаемости. Цель исследования: изучить прогностическое значение RDW при поступлении на долгосрочную смертность у пациентов с острым ИМ. <italic>Материалы и методы</italic>. Проспективное наблюдательное исследование включало 577 пациентов с острым ИМ, которым была проведена коронарография в течение 24 часов с момента поступления. Демографические данные, витальные показатели, результаты лабораторных исследований и сопутствующие заболевания были получены из базы данных. Первичной конечной точкой являлась 18‑месячная смертность. Ассоциация между RDW, клиническими параметрами и исходом оценивалась с использованием логистической регрессии и ROC-анализ (receiver operating characteristic).<bold> </bold><italic>Результаты и обсуждение.</italic><bold> </bold>Медиана возраста пациентов составила 65 лет (интерквартильный размах [ИКР]: 56–74), 60,7% были мужчинами. Частота 18‑месячной смертности составила 11,4% (n = 66). Медиана RDW была 14,2% (ИКР 13,5–15,0%). RDW коррелировал с возрастом, ишемической болезнью сердца, предыдущи ИМ, предыдущими цереброваскулярными инцидентами, фибрилляцией предсердий, заболеванием периферических артерий, гемоглобином, фракцией выброса левого желудочка и баллами по шкале GRACE. У пациентов с 18‑месячной смертностью уровень RDW был значительно выше по сравнению с выжившими (15,0% против 14,1%, <italic>p</italic> &lt; 0,001). Более высокие значения RDW ассоциировались с увеличением 18‑месячной смертности (квартиль 1: 3,9%, квартиль 2: 5,4%, квартиль 3: 13,4%, квартиль 4: 23,9%, <italic>p </italic>&lt; 0,001). Однофакторный логистический регрессионный анализ показал, что RDW ассоциирован с 18‑месячной смертностью (отношение шансов [ОШ], 1,38; 95% доверительный интервал [ДИ], 1,20—1,58, <italic>p</italic> &lt; 0,001). Многофакторный анализ выявил RDW как независимый предиктор 18‑месячной смертности (скорректированное ОШ: 1,33, 95% CI: 1,12—1,58, <italic>p</italic> &lt; 0,001). Площадь под ROC-кривой для RDW составила 0,708 (95% CI: 0,642—0,775, <italic>p</italic> &lt; 0,001) для предсказания 18‑месячной смертности. Оптимальное пороговое значение RDW для предсказания 18‑месячной смертности составило 14,2% при чувствительности 78,8% и специфичности 54,8%. <italic>Выводы. </italic>Повышенное значение RDW при поступлении было связано с повышенным риском 18‑месячной смертности у пациентов с острым ИМ. RDW была независимым предиктором 18‑месячной смертности у пациентов с острым ИМ, подчеркивая ее потенциал как прогностического маркера в данной популяции.</p></trans-abstract><kwd-group xml:lang="en"><kwd>acute myocardial infarction</kwd><kwd>long-term mortality</kwd><kwd>prognosis</kwd><kwd>red cell distribution width</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>долгосрочная смертность</kwd><kwd>острый инфаркт миокарда</kwd><kwd>прогноз</kwd><kwd>ширина распределения эритроцитов</kwd></kwd-group><funding-group/></article-meta><fn-group/></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Salari N, Morddarvanjoghi F, Abdolmaleki A, Rasoulpoor S, Khaleghi AA, Hezarkhani LA, Shohaimi S, Mohammadi M. The global prevalence of myocardial infarction: a systematic review and meta-analysis. 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