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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">cardiovascular</journal-id><journal-title-group><journal-title xml:lang="ru">Кардиоваскулярная терапия и профилактика</journal-title><trans-title-group xml:lang="en"><trans-title>Cardiovascular Therapy and Prevention</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1728-8800</issn><issn pub-type="epub">2619-0125</issn><publisher><publisher-name>«SILICEA-POLIGRAF» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15829/1728-8800-2024-4038</article-id><article-id custom-type="edn" pub-id-type="custom">HSUSAO</article-id><article-id custom-type="elpub" pub-id-type="custom">cardiovascular-4038</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>СМЕЖНЫЕ ПРОБЛЕМЫ КАРДИОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INTERDISCIPLINARY PROBLEMS IN CARDIOLOGY</subject></subj-group></article-categories><title-group><article-title>Эхо-петля субклинической сердечно-сосудистой токсичности у женщин, связанной с терапией HER2-позитивного рака молочной железы</article-title><trans-title-group xml:lang="en"><trans-title>Echo-loop of subclinical cardiovascular toxicity in women associated with HER2-positive breast cancer therapy</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5356-1886</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Першуков</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pershukov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Першуков Игорь Викторович — д.м.н., профессор, врач РЭВДЛ, врач-кардиолог, профессор кафедры ОВП, профессор курса терапевтических дисциплин ЦПиНМО, профессор кафедры ВБ1 ММФ, профессор кафедры ОВП.</p><p>Бобров, Воронежская область; Алматы, Республика Казахстан; Ош, Республика Кыргызстан</p><p>ResearcherID D-2135-2016, ScopusID 6602176611</p></bio><bio xml:lang="en"><p>Igor V. Pershukov - Cardiologist, Cardiovascular Surgeon, MD,  Doctor of Medical Sciences, Professor, FACC, FSCAI.</p><p>Bobrov, Voronezh region; Almaty, Republic of Kazakhstan; Osh, Republic of Kyrgyzstan</p></bio><email xlink:type="simple">cardio.ru@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/0000-0002-0491-5334</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Акбалаева</surname><given-names>Б. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Akbalaeva</surname><given-names>B. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Акбалаева Бегимай Акбалаевна — докторант PhD, врач-кардиолог.</p><p>Ош</p></bio><bio xml:lang="en"><p>Begimai A. Akbalaeva - cardiologist; assistant of chair.</p><p>Osh</p></bio><email xlink:type="simple">begimai_a@yahoo.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2110-0970</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шульженко</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shulzhenko</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шульженко Лариса Владимировна — д.м.н, зав. отделением, зав. кафедрой.</p><p>Краснодар</p></bio><bio xml:lang="en"><p>Larisa V. Shulzhenko - Head of Department, Doctor of Medical Sciences, Head of the Chair of Pulmonology.</p><p>Krasnodar</p></bio><email xlink:type="simple">larisa_shulzhenk@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4251-0327</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Батыралиев</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Batyraliev</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Батыралиев Талантбек Абдуллаевич — д.м.н., профессор, руководитель Исполнительной дирекции Совета по развитию, Президент Ассоциации медицинских работников КР.</p><p>Бишкек</p></bio><bio xml:lang="en"><p>Talantbek A. Batyraliev - Head of the Executive Directorate of the Development Council, President of the Association of Medical Workers of the Kyrgyz Republic, Doctor of Medical Sciences, Professor, FACC, FSCAI, FESC, FACA, FICA.</p><p>Bishkek</p></bio><email xlink:type="simple">talantbekb@gmail.com</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-5163-4747</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гурович</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gurovich</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гурович Ольга Викторовна — ассистент кафедры.</p><p>Воронеж</p></bio><bio xml:lang="en"><p>Olga V. Gurovich - department assistant.</p><p>Voronezh</p></bio><email xlink:type="simple">olgavicg@yandex.ru</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-7080-8665</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Виноградская</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vinogradskaia</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виноградская Виктория Владимировна — врач функциональной диагностики.</p><p>Воронеж</p></bio><bio xml:lang="en"><p>Viktoria V. Vinogradskaia - functional diagnostics doctor.</p><p>Voronezh</p></bio><email xlink:type="simple">vivictoria@mail.ru</email><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5622-3316</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карбен</surname><given-names>З. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Karben</surname><given-names>Z. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карбен Зарема Абилезимовна — д.м.н., профессор, профессор департамента кардиологии.</p><p>Шехиткамиль, Газиантеп</p></bio><bio xml:lang="en"><p>Zarema A. Karben - professor of cardiology department.</p><p>Sehitkamil, Gaziantep</p></bio><email xlink:type="simple">cardio.ru@gmail.com</email><xref ref-type="aff" rid="aff-7"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4143-8899</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фетцер</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fettser</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фетцер Денис Витальевич — к.м.н., зав. отделением.</p><p>Москва</p></bio><bio xml:lang="en"><p>Denis V. Fettser - head of cath lab department.</p><p>Moscow</p></bio><email xlink:type="simple">fettser@gmail.com</email><xref ref-type="aff" rid="aff-8"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5492-7552</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузнецова</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузнецова Татьяна Николаевна — врач-кардиолог областного кардиодиспансера.</p><p>Воронеж</p></bio><bio xml:lang="en"><p>Tatiana N. Kuznetsova - cardiologist in the outpatient cardiology dep-t.</p><p>Voronezh</p></bio><email xlink:type="simple">assensr@yandex.ru</email><xref ref-type="aff" rid="aff-9"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-7473-5483</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иваненкова</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanenkova</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иваненкова Евгения Юрьевна — к.м.н., врач-кардиолог отделения кардиологии № 2.</p><p>Воронеж</p></bio><bio xml:lang="en"><p>Evgenia Yu. Ivanenkova - cardiologist in the clinical cardiology dep-t No2.</p><p>Voronezh</p></bio><email xlink:type="simple">ev_zin_mor@mail.ru</email><xref ref-type="aff" rid="aff-9"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-8587-705X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Райимбек уулу</surname><given-names>Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Raiimbek uulu</surname><given-names>N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Райимбек уулу Нурлан — докторант PhD, врач-кардиолог.</p><p>Ош</p></bio><bio xml:lang="en"><p>Nurlan Raiimbek uulu – cardiologist, assistant of chair.</p><p>Osh</p></bio><email xlink:type="simple">cardio.ru@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-3406-1146</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Квасова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kvasova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Квасова Мария Владимировна — врач-онколог, зав. поликлиникой.</p><p>Бобров, Воронежская область</p></bio><bio xml:lang="en"><p>Maria V. Kvasova - head of outpatient dep-t, oncologist.</p><p>Bobrov, Voronezh region</p></bio><email xlink:type="simple">cardio.ru@gmail.com</email><xref ref-type="aff" rid="aff-10"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0175-0343</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калматов</surname><given-names>Р. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalmatov</surname><given-names>R. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Калматов Романбек Калматович — д.м.н., профессор, декан ММФ, профессор кафедры ММФ.</p><p>Ош</p></bio><bio xml:lang="en"><p>Romanbek K. Kalmatov - DSc, Professor, Dean of International Medical Faculty.</p><p>Osh</p></bio><email xlink:type="simple">cardio.ru@gmail.com</email><xref ref-type="aff" rid="aff-11"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8307-8203</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иметова</surname><given-names>Ж. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Imetova</surname><given-names>Ja. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иметова Жазгуль Букарбаевна — доктор философии PhD, зав. курсом терапевтических дисциплин ЦПиНМО.</p><p>Ош</p></bio><bio xml:lang="en"><p>Jazgul B. Imetova - PhD, Head of Internal Diseases Chair of Postgraduate Medical Faculty.</p><p>Osh</p></bio><email xlink:type="simple">jazgul80@mail.ru</email><xref ref-type="aff" rid="aff-11"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1128-8188</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маматова</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamatova</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маматова Сабирахан Мирзаевна — к.м.н., зав. кафедрой ВБ1 ММФ.</p><p>Ош</p></bio><bio xml:lang="en"><p>Sabirahan M. Mamatova - PhD, Head of Internal Diseases Chair No1 of International Medical Faculty.</p><p>Osh</p></bio><email xlink:type="simple">cardio.ru@gmail.com</email><xref ref-type="aff" rid="aff-11"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0579-8109</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Джайнакбаев</surname><given-names>Н. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Jainakbayev</surname><given-names>N. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Джайнакбаев Нурлан Темирбекович — д.м.н., профессор, ректор.</p><p>Алматы</p></bio><bio xml:lang="en"><p>Nurlan T. Jainakbayev - DSc, Professor, Rector.</p><p>Almaty</p></bio><email xlink:type="simple">cardio.ru@gmail.com</email><xref ref-type="aff" rid="aff-12"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5045-7813</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сейдалин</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Seidalin</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сейдалин Арыстан Оскарович — д.м.н., профессор, проректор по науке.</p><p>Алматы</p></bio><bio xml:lang="en"><p>Arystan O. Seidalin - DSc, Professor, Vice-Rector for Research.</p><p>Almaty</p></bio><email xlink:type="simple">seidalin.a.o@mail.ru</email><xref ref-type="aff" rid="aff-12"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7857-3480</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рахальская</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Rakhalskaya</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рахальская Наталья Николаевна — докторант кафедры ОВП.</p><p>Алматы</p></bio><bio xml:lang="en"><p>Natalya N. Rakhalskaya - PhD research fellow.</p><p>Almaty</p></bio><email xlink:type="simple">cardio.ru@gmail.com</email><xref ref-type="aff" rid="aff-12"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>БУЗ "Бобровская районная больница" МЗ Воронежской области; НУО "Казахстанско-Российский медицинский университет"; ВУЗ "Ошский государственный университет"</institution></aff><aff xml:lang="en"><institution>Bobrov District Hospital; Kazakhstan­Russian Medical University; Osh State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ВУЗ "Ошский государственный университет"; Медицинский центр "Ош-кардио имени М.М. Алиева"</institution></aff><aff xml:lang="en"><institution>Osh State University; Aliyev Osh Cardio Medical Center</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ГБУЗ "НИИ — Краевая клиническая больница № 1 им. проф. С.В. Очаповского" МЗ Краснодарского края; ФГБОУ ВО "Кубанский ГМУ" Минздрава России</institution></aff><aff xml:lang="en"><institution>Research Institute — S.V. Ochapovsky Regional Clinical Hospital № 1; Kuban State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Салымбеков Университет</institution></aff><aff xml:lang="en"><institution>Salymbekov University</institution></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>ФГБОУ ВО "Воронежский государственный медицинский университет им. Н.Н. Бурденко" Минздрава России</institution></aff><aff xml:lang="en"><institution>Burdenko Voronezh State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru"><institution>Клиника "Город Здоровья"</institution></aff><aff xml:lang="en"><institution>City of Health Clinic</institution></aff></aff-alternatives><aff-alternatives id="aff-7"><aff xml:lang="ru"><institution>Университет Санко</institution></aff><aff xml:lang="en"><institution>Sanko University</institution></aff></aff-alternatives><aff-alternatives id="aff-8"><aff xml:lang="ru"><institution>ГБУЗ "Городская клиническая больница № 52 Департамент здравоохранения г. Москвы"</institution></aff><aff xml:lang="en"><institution>City Clinical Hospital № 52</institution></aff></aff-alternatives><aff-alternatives id="aff-9"><aff xml:lang="ru"><institution>БУЗ ВО "Воронежская областная клиническая больница № 1"</institution></aff><aff xml:lang="en"><institution>Voronezh Regional Clinical Hospital № 1</institution></aff></aff-alternatives><aff-alternatives id="aff-10"><aff xml:lang="ru"><institution>БУЗ "Бобровская районная больница" МЗ Воронежской области</institution></aff><aff xml:lang="en"><institution>Bobrov District Hospital</institution></aff></aff-alternatives><aff-alternatives id="aff-11"><aff xml:lang="ru"><institution>ВУЗ "Ошский государственный университет"</institution></aff><aff xml:lang="en"><institution>Osh State University</institution></aff></aff-alternatives><aff-alternatives id="aff-12"><aff xml:lang="ru"><institution>НУО "Казахстанско-Российский медицинский университет"</institution></aff><aff xml:lang="en"><institution>Kazakhstan-Russian Medical University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>10</day><month>06</month><year>2024</year></pub-date><volume>23</volume><issue>6</issue><fpage>4038</fpage><lpage>4038</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Першуков И.В., Акбалаева Б.А., Шульженко Л.В., Батыралиев Т.А., Гурович О.В., Виноградская В.В., Карбен З.А., Фетцер Д.В., Кузнецова Т.Н., Иваненкова Е.Ю., Райимбек уулу Н., Квасова М.В., Калматов Р.К., Иметова Ж.Б., Маматова С.М., Джайнакбаев Н.Т., Сейдалин А.О., Рахальская Н.Н., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Першуков И.В., Акбалаева Б.А., Шульженко Л.В., Батыралиев Т.А., Гурович О.В., Виноградская В.В., Карбен З.А., Фетцер Д.В., Кузнецова Т.Н., Иваненкова Е.Ю., Райимбек уулу Н., Квасова М.В., Калматов Р.К., Иметова Ж.Б., Маматова С.М., Джайнакбаев Н.Т., Сейдалин А.О., Рахальская Н.Н.</copyright-holder><copyright-holder xml:lang="en">Pershukov I.V., Akbalaeva B.A., Shulzhenko L.V., Batyraliev T.A., Gurovich O.V., Vinogradskaia V.V., Karben Z.A., Fettser D.V., Kuznetsova T.N., Ivanenkova E.Y., Raiimbek uulu N., Kvasova M.V., Kalmatov R.K., Imetova J.B., Mamatova S.M., Jainakbayev N.T., Seidalin A.O., Rakhalskaya N.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://cardiovascular.elpub.ru/jour/article/view/4038">https://cardiovascular.elpub.ru/jour/article/view/4038</self-uri><abstract><sec><title>Цель</title><p>Цель. Оценить частоту и время появления субклинической сердечной дисфункции, связанной с терапией HER2-позитивного местно-распространённого или метастатического рака молочной железы, и проанализировать разницу во времени от значимого снижения глобальной продольной деформации левого желудочка (ЛЖ) (GLS LV) до выраженного снижения фракции выброса (ФВ) ЛЖ ("эхо-петля" кардиотоксичности).</p></sec><sec><title>Материал и методы</title><p>Материал и методы. 187 женщин 58±11 лет без исходной сердечной дисфункции с верифицированным HER2-позитивным местно-распространённым или метастатическим раком молочной железы, получавших последовательно адъювантную лекарственную терапию доксорубицином +циклофосфамидом, доцетакселом +трастузумабом и монотерапию трастузумабом, наблюдались в 4 центрах четырех стран до 12 мес. с регулярным (каждые 3 нед.) эхокардиографическим контролем с определением спеклов.</p></sec><sec><title>Результаты</title><p>Результаты. Субклиническая сердечная дисфункция, связанная с терапией рака молочной железы (СДСТР), в каждом блоке терапии появляется уже после первого курса, и ее частота значимо нарастает после каждого следующего курса по сравнению с предыдущим. К концу 4-го курса в каждом блоке терапии субклиническая СДСТР отмечается от 24,6% (практически у каждой 4-й пациентки в блоке химиотерапии) до 32,6-33,7% (практически каждая 3-я пациентка в блоках химиотаргетной и таргетной терапии). В 24 из 25 случаев тяжелой субклинической СДСТР (96%) с падением ФВ ЛЖ &lt;40% предшествует снижение GLS LV на &gt;15%. Разница по времени от снижения GLS LV до падения ФВ ЛЖ &lt;40% — "эхо-петля" кардиотоксичности — составляет от 5 до 16 нед. в зависимости от варианта терапии рака.</p></sec><sec><title>Заключение</title><p>Заключение. До недавнего времени период выявленной умеренной субклинической сердечной дисфункции не использовался для назначения терапии профилактики и лечения кардиотоксичности. Более частый, чем предлагают последние рекомендации по кардиоонкологии, расширенный эхокардиографический контроль с определением спеклов может снизить частоту тяжелой субклинической и выраженной клинической сердечной дисфункции. Необходим пересмотр рекомендаций по инструментальному контролю кардиотоксичности для уменьшения частоты тяжелых сердечных осложнений терапии рака.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. To assess the incidence and timing of subclinical cardiac dysfunction associated with therapy for HER2-positive locally advanced or metastatic breast cancer, and to analyze the difference in time from significant reduction in left ventricular (LV) global longitudinal strain (GLS) to significant reduction in LV ejection fraction (LVEF) (cardiotoxicity "echo-loop").</p></sec><sec><title>Material and methods</title><p>Material and methods. A total of 187 women 58±11 years without baseline cardiac dysfunction with verified HER2-positive locally advanced or metastatic breast cancer who received sequential adjuvant therapy with doxorubicin+cyclophosphamide, docetaxel+trastuzumab and trastuzumab monotherapy were followed up in 4 centers in four countries within 12 months with regular (every 3 weeks) speckle-tracking echocardiographic monitoring.</p></sec><sec><title>Results</title><p>Results. Subclinical cardiac dysfunction associated with breast cancer therapy (CTRCD) appears in each block of therapy after the first course. Its frequency increases significantly after each subsequent course compared to the previous one. By the end of the 4th course in each block of therapy, subclinical CTRCD is noted from 24,6% (almost every 4th patient in the chemotherapy block) to 32,6-33,7% (almost every 3rd patient in the chemotherapy and targeted therapy blocks). In 24 out of 25 cases of severe subclinical CTRCD (96%) with a fall in LVEF &lt;40%, a decrease in LV GLS &gt;15% was preceded. The time difference from a decrease in LV GLS to a decrease in LVEF &lt;40% (cardiotoxicity "echo loop”) ranges from 5 to 16 weeks depending on the cancer therapy option.</p></sec><sec><title>Conclusion</title><p>Conclusion. Until recently, the period of identified moderate subclini­cal cardiac dysfunction was not used to prescribe therapy for the pre­vention and treatment of cardiotoxicity. Enhanced speckle-tracking echo­cardiographic monitoring may reduce the incidence of severe sub­clinical and overt clinical cardiac dysfunction. Guidelines for car­diotoxicity monitoring should be reviewed to reduce the incidence of se­vere cardiac complications of cancer therapy.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>HER2-позитивный рак молочной железы</kwd><kwd>сер­дечная дисфункция</kwd><kwd>связанная с терапией рака</kwd><kwd>сердечно-сосу­дистая токсичность</kwd><kwd>спекл-трекинг эхокардиография</kwd><kwd>глобальная продольная деформация левого желудочка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>HER2-positive breast cancer</kwd><kwd>cardiac dysfunction</kwd><kwd>cancer therapy-related cardiac dysfunction</kwd><kwd>cardiovascular toxicity</kwd><kwd>speckle tracking echocardiography</kwd><kwd>left ventricular global longitudinal strain</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">Виценя М. В., Агеев Ф. Т., Гиляров М. Ю. и др. 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