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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">emcardio</journal-id><journal-title-group><journal-title xml:lang="ru">Неотложная кардиология и кардиоваскулярные риски</journal-title><trans-title-group xml:lang="en"><trans-title>Emergency Cardiology and Cardiovascular Risks journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2616-633X</issn><publisher><publisher-name>Белорусский государственный медицинский университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.51922/2616-633X.2023.7.1.1785</article-id><article-id custom-type="elpub" pub-id-type="custom">emcardio-68</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>Оригинальные научные публикации</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Original Scientific Research</subject></subj-group></article-categories><title-group><article-title>Мобильное приложение в прогнозировании систолической функции левого желудочка при лечении рака молочной железы антрациклинами</article-title><trans-title-group xml:lang="en"><trans-title>Mobile application for predicting left ventricular systolic function during breast cancer treatment with anthracyclines</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>Конончук</surname><given-names>Н. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Kananchuk</surname><given-names>N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">nataly.kon0303@yandex.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>Конончук</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kananchuk</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрова</surname><given-names>Е. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrova</surname><given-names>E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абрамович</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Abramovich</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Козловская</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kazlouskaya</surname><given-names>N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Митьковская</surname><given-names>Н. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Mitkovskaya</surname><given-names>N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-6"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Учреждение образования «Белорусский государственный медицинский университет»,; Учреждение здравоохранения «Городская больница скорой медицинской помощи»</institution></aff><aff xml:lang="en"><institution>Belarusian State Medical University; Minsk City Emergency Hospital</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Государственное учреждение «Республиканский клинический медицинский центр» Управления делами Президента Республики Беларусь</institution></aff><aff xml:lang="en"><institution>State institution “Republican Clinical Medical Center” of the Administration of the President of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Учреждение образования «Белорусский государственный медицинский университет»; Республиканский научно-практический центр «Кардиология»,</institution></aff><aff xml:lang="en"><institution>Belarusian State Medical University; Republican Scientific and Practical Center of Cardiology</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Учреждение Белорусского государственного университета «Научно-исследовательский институт прикладных проблем математики информатики»</institution></aff><aff xml:lang="en"><institution>Belarusian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Государственное учреждение «Республиканский научно-практический центр онкологии и медицинской радиологии им. Н.Н. Александрова»</institution></aff><aff xml:lang="en"><institution>State Institution “N.N. Alexandrov National Cancer Centre of Belarus”</institution></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru"><institution>Учреждение образования «Белорусский государственный медицинский университет»; Республиканский научно-практический центр «Кардиология»</institution></aff><aff xml:lang="en"><institution>Belarusian State Medical University; Republican Scientific and Practical Center of Cardiology</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>20</day><month>06</month><year>2025</year></pub-date><volume>7</volume><issue>1</issue><fpage>1785</fpage><lpage>1792</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Конончук Н.Б., Конончук С.Н., Петрова Е.Б., Абрамович М.С., Козловская Н.А., Митьковская Н.П., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Конончук Н.Б., Конончук С.Н., Петрова Е.Б., Абрамович М.С., Козловская Н.А., Митьковская Н.П.</copyright-holder><copyright-holder xml:lang="en">Kananchuk N., Kananchuk S., Petrova E., Abramovich M., Kazlouskaya N., Mitkovskaya N.</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://emcardio.bsmu.by/jour/article/view/68">https://emcardio.bsmu.by/jour/article/view/68</self-uri><abstract><p>Цель работы. Изучить влияние комплексной терапии рака молочной железы (РМЖ) на показатели систолической функции миокарда левого желудочка (ЛЖ), оценить эффективность назначения кардиотропной терапии (КТТ) – фиксированной комбинации валсартана и карведилола – в профилактике выявленных изменений, и разработать мобильное приложение электронного статистического калькулятора по расчету фракции выброса (ФВ) ЛЖ по Симпсону на фоне комплексного лечения РМЖ.Методы. В исследование включено 100 женщин, получивших комплексное лечение РМЖ антрациклинсодержащими схемами полихимиотерапии (ПХТ). Пациенты были разделены на три группы, в зависимости от наличия артериальной гипертензии (АГ) и назначения КТТ. У всех включенных в исследование пациенток проведено комплексное обследование сердечно-сосудистой системы до начала и после окончания лечения РМЖ.Результаты. В группе без назначения КТТ после окончания комплексного лечения РМЖ установлено: снижение фракции укорочения (ФУ) с 41,0 (38,0; 45,0) % до 38,0 (35,0;43,0) %, (р &lt; 0,05), фракции выброса (ФВ) по Тейнхольцу с 72,0 (69,0; 76,0) % до 68,0 (64,0;73,0) %, (p &lt; 0,05); ФВ по Симпсону с 66,0 (62,0; 71,0) % до 60,0 (57,0;66,0) %, (p &lt; 0,05); увеличение индекса вагосимпатического взаимодействия LF/HF (отношение низкочастотного (LF) к высокочастотного (HF) компонентов) с 0,8 (0,7; 1,0) по 1,05 (0,8; 1,2), (р &lt; 0,05); снижение изменения диаметра плечевой артерии (d %) с 12,5 (11,0;16,0) % до 9,0 (6,0;12,0) %, (р &lt; 0,05). Предложена модель прогноза ФВ ЛЖ по Симпсону на фоне лечения РМЖ, которая включила суммарную дозу доксорубицина, рассчитанную на площадь поверхности тела (Сумм.д/ППТ), раннюю диастолическую скорость транстрикуспидального кровотока (Етк), диаметр ствола легочной артерии (dЛА), скорость циркулярного укорочения волокон миокарда (Vcf), толщину комплекса интима-медиа сонных артерий слева (КИМ ОСА), HF, d %. Модель прогноза легла в основу разработки калькулятора расчета ФВ по Симпсону на фоне химиотерапии с доксорубицином при лечении РМЖ.Заключение. В группе пациенток без назначения кардиотропной терапии, в сравнении с результатом групп в качестве первичной профилактики антрациклин-индуцированной сердечно-сосудистой токсичности и/или коррекции АГ получавших комбинацию валсартана и карведилола, после окончания лечения РМЖ наблюдалось снижение ряда показателей систолической функции левого желудочка, активация симпатической нервной системы, нарушение эндотелиальной функции. Предложена прогностическая модель расчета фракции выброса по Симпсону при проведении полихимиотерапии с доксорубицином, которая стала основой для разработки мобильного приложения по расчету данного показателя. Внедрение мобильного приложения в клиническую практику позволит спрогнозировать изменение фракции выброса по Симпсону после окончания лечения РМЖ и разработать индивидуальный план превентивных мероприятий по профилактике развития антрациклин-индуцированной сердечно-сосудистой токсичности.</p></abstract><trans-abstract xml:lang="en"><p>Purpose. To evaluate the effect of complex treatment of breast cancer (BC) on the parameters of systolic myocardial function, and the efficiency of the prescription of cardiotropic therapy (CT) – a fixed combination of valsartan and carvedilol – in the prevention of the identified changes. To develop a mobile application, namely, an electronic statistical calculator for calculating the left ventricular ejection fraction by Simpson during BC treatment with anthracyclines, using the baseline anthropometric and instrumental data of the patient.Methods. We evaluated the cardiovascular health of 100 women who received complex treatment of BC. The patients were divided into three groups, depending on the presence of arterial hypertension and the prescription of CT. In the study, all women received a complex evaluation of the cardiovascular health at the beginning and at the end of BC treatmentResults. In the non-CT group after the end of complex BC treatment the following was found: a decrease in the shortening fraction (FS) from 41.0 (38.0; 45.0)% to 38.0 (35.0; 43.0)%, (p &lt; 0.05), in ejection fraction (EF) by Teinholz from 72.0 (69.0; 76.0)% to 68.0 (64.0; 73.0)%, (p &lt; 0.05); in ejection fraction by Simpson from 66.0 (62.0; 71.0)% to 60.0 (57.0; 66.0)%, (p &lt; 0.05); an increase in the vagosympathetic interaction LF/HF index (ratio of lowfrequency (LF) to high-frequency (HF) components) from 0.8 (0.7; 1.0) to 1.05 (0.8; 1.2), (p &lt; 0.05); reduction of brachial artery diameter change from 12.5 (11.0; 16.0)% to 9.0 (6.0; 12.0)%, (p &lt; 0.05).A model of the prognosis of EF by Simpson during BC treatment was proposed, which included a total dose of doxorubicin calculated per body surface area, early diastolic rate of transtricuspid blood flow, diameter of the trunk of the pulmonary artery, the rate of circular shortening of myocardial fibers, thickness of the intima-media complex of the left carotid arteries, HF, % of brachial artery diameter change. The prognosis model formed the basis for the development of the mobile application for predicting left ventricular systolic function during BC treatment with anthracyclines.We proposed a model for prediction of LVEF by Simpson against during breast cancer treatment, which included the total doxorubicin dose calculated per body surface area, early diastolic rate of transtricuspidal blood flow, pulmonary artery trunk diameter, myocardial fiber circular shortening rate, left carotid artery intima-media complex thickness, HF, percentage of brachial artery diameter change. The prognostic model formed the basis for the development of the mobile application for predicting left ventricular systolic function during BC treatment with anthracyclines.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>калькулятор</kwd><kwd>антрациклининдуцированная сердечно-сосудистая токсичность</kwd><kwd>фракция выброса</kwd></kwd-group><kwd-group xml:lang="en"><kwd>calculator</kwd><kwd>anthracycline induced cardiovascular toxicity</kwd><kwd>ejection fraction</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">Jin H., Xu J., Sui Z., Wang L. Risk factors from Framingham risk score for anthracyclines cardiotoxicity in breast cancer: A systematic review and meta-analysis. Front Cardiovasc Med, 2023, vol. 10. doi: 10.3389/fcvm.2023.1101585.</mixed-citation><mixed-citation xml:lang="en">Jin H., Xu J., Sui Z., Wang L. 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