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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">Terapevticheskii arkhiv</journal-id><journal-title-group><journal-title xml:lang="en">Terapevticheskii arkhiv</journal-title><trans-title-group xml:lang="ru"><trans-title>Терапевтический архив</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0040-3660</issn><issn publication-format="electronic">2309-5342</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">568558</article-id><article-id pub-id-type="doi">10.26442/00403660.2024.04.202681</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные статьи</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">Performance of the left ventricular myocardium in patients with a negative test result during exercise stress echocardiography</article-title><trans-title-group xml:lang="ru"><trans-title>Показатели работы миокарда левого желудочка у пациентов с отрицательным результатом пробы при стресс-эхокардиографии с физической нагрузкой</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9725-7528</contrib-id><name-alternatives><name xml:lang="en"><surname>Alekhin</surname><given-names>Mikhail N.</given-names></name><name xml:lang="ru"><surname>Алехин</surname><given-names>Михаил Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д-р мед. наук, проф. каф. терапии, кардиологии и функциональной диагностики с курсом нефрологии, зав. отд-нием функциональной диагностики</p></bio><email>mike.nikolaich@yandex.ru</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/0000-0001-8085-3166</contrib-id><name-alternatives><name xml:lang="en"><surname>Radova</surname><given-names>Natalya F.</given-names></name><name xml:lang="ru"><surname>Радова</surname><given-names>Наталья Федоровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>канд. мед. наук, доц. каф. терапии, кардиологии и функциональной диагностики с курсом нефрологии, врач отд-ния функциональной диагностики</p></bio><email>mike.nikolaich@yandex.ru</email><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-4482-990X</contrib-id><name-alternatives><name xml:lang="en"><surname>Leshchinskaia</surname><given-names>Svetlana P.</given-names></name><name xml:lang="ru"><surname>Лещинская</surname><given-names>Светлана Павловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>студентка</p></bio><email>mike.nikolaich@yandex.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6768-1045</contrib-id><name-alternatives><name xml:lang="en"><surname>Ivanov</surname><given-names>Sergey I.</given-names></name><name xml:lang="ru"><surname>Иванов</surname><given-names>Сергей Игоревич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>канд. мед. наук, врач отд-ния кардиологии</p></bio><email>mike.nikolaich@yandex.ru</email><xref ref-type="aff" rid="aff5"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Central State Medical Academy of the President of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБУ ДПО «Центральная государственная медицинская академия» Управления делами Президента РФ</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Central Clinical Hospital with Clinic of the President of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБУ «Центральная клиническая больница с поликлиникой» Управления делами Президента РФ</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Central State Medical Academy of the President of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ГБУ ДПО «Центральная государственная медицинская академия» Управления делами Президента РФ</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Russian University of Medicine</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Российский университет медицины» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Clinical Hospital of the President of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБУ «Клиническая больница» Управления делами Президента РФ</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-05-02" publication-format="electronic"><day>02</day><month>05</month><year>2024</year></pub-date><volume>96</volume><issue>4</issue><issue-title xml:lang="en">Issues of diagnostics of internal diseases</issue-title><issue-title xml:lang="ru">Вопросы диагностики внутренних болезней</issue-title><fpage>349</fpage><lpage>355</lpage><history><date date-type="received" iso-8601-date="2023-08-17"><day>17</day><month>08</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2024-04-16"><day>16</day><month>04</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</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-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ter-arkhiv.ru/0040-3660/article/view/568558">https://ter-arkhiv.ru/0040-3660/article/view/568558</self-uri><abstract xml:lang="en"><p><bold>Aim. </bold>To determine the possibility of identifying patients with significant coronary artery disease (CAD) by evaluation of the left ventricular (LV) myocardial work indicators by constructing pressure-strain loops despite a negative test result during exercise stress echocardiography.</p> <p><bold>Materials and methods. </bold>The study included 79 patients with suspected or previously confirmed CAD, of which 47 (59%) men, who had a negative test result during exercise stress echocardiography on the treadmill. Global work index (GWI), global constructive work (GCW), global wasted work (GWW) and global work efficiency (GWE) were evaluated using the technique of constructing pressure-strain loops at rest and at peak exercise.</p> <p><bold>Results. </bold>With similar systolic blood pressure and LV ejection fraction at peak exercise between the control group and the group of patients with single-vessel CAD, there was revealed significant difference in GWI, GCW and GWE at peak exercise. In patients with multi-vessel CAD, GWI and GCW also significantly differed from the control group at peak exercise.</p> <p><bold>Conclusion. </bold>The evaluation of LV myocardial work indicators may be recommended for a more accurate diagnosis of CAD in negative or unreliable test results during exercise stress echocardiography.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель. </bold>Определить возможности выявления пациентов со значимым поражением коронарного русла с помощью оценки показателей работы миокарда левого желудочка (ЛЖ), несмотря на полученный отрицательный результат пробы при стресс-эхокардиографии (стресс-ЭхоКГ) с физической нагрузкой.</p> <p><bold>Материалы и методы. </bold>В исследование включены 79 пациентов с предполагаемой или подтвержденной ранее ишемической болезнью сердца, из них 47 мужчин (59%), у которых получен отрицательный результат пробы при проведении стресс-ЭхоКГ с физической нагрузкой с использованием тредмила. С помощью методики построения кривых «давление–деформация» в покое и на максимуме нагрузки рассчитывали индекс глобальной работы (GWI), глобальную конструктивную работу (GCW), глобальную потерянную работу, эффективность глобальной работы (GWE).</p> <p><bold>Результаты. </bold>При схожих систолическом артериальном давлении и фракции выброса ЛЖ между контрольной группой и группой пациентов с однососудистым поражением коронарных артерий на максимуме нагрузки выявлена достоверная разница в GWI, GCW и GWE. У пациентов с многососудистым поражением коронарных артерий GWI и GCW на максимуме нагрузки также значимо отличались от контрольной группы.</p> <p><bold>Заключение. </bold>При проведении стресс-ЭхоКГ с физической нагрузкой с получением отрицательного или недостоверного результата пробы может быть рекомендована оценка показателей работы миокарда ЛЖ для более точной диагностики ишемической болезни сердца.</p></trans-abstract><kwd-group xml:lang="en"><kwd>myocardial work</kwd><kwd>pressure-strain loop</kwd><kwd>coronary artery disease</kwd><kwd>negative test</kwd><kwd>stress echocardiography</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>работа миокарда</kwd><kwd>кривая «давление–деформация»</kwd><kwd>ишемическая болезнь сердца</kwd><kwd>отрицательная проба</kwd><kwd>стресс-эхокардиография</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Russell K, Eriksen M, Aaberge L, et al. 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