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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">usfd</journal-id><journal-title-group><journal-title xml:lang="ru">Ультразвуковая и функциональная диагностика</journal-title><trans-title-group xml:lang="en"><trans-title>Ultrasound &amp; Functional Diagnostics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-0771</issn><issn pub-type="epub">2408-9494</issn><publisher><publisher-name>Vidar Ltd.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24835/1607-0771-281</article-id><article-id custom-type="elpub" pub-id-type="custom">usfd-281</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>Ультразвуковая диагностика заболеваний сердца и сосудов</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Cardiovascular Ultrasound</subject></subj-group></article-categories><title-group><article-title>Исследование функции левого предсердия и диастолической функции левого желудочка во время стресс-эхокардиографии с физической нагрузкой у пациентов с различными типами фибрилляции предсердий</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of left atrial function and left ventricular diastolic function during exercise stress echocardiography in patients with different types of atrial fibrillation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4007-3322</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калинина</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalinina</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Калинина Елена Сергеевна – врач функциональной диагностики, врач-кардиолог Научно-исследовательского кардиологического центра Медика, Санкт-Петербург. <ext-link xlink:href="https://orcid.org/" ext-link-type="uri">https://orcid.org/</ext-link>0000-0002-4007-3322</p></bio><bio xml:lang="en"><p>Elena S. Kalinina – doctor of functional diagnostics, doctor cardiologist, Cardiology Department, Research Cardiology Center “Medika”, St. Petersburg. https://orcid.org/0000-0002-4007-3322</p></bio><email xlink:type="simple">lennohka@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/0009-0007-2010-1369</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ханджыкова</surname><given-names>О.</given-names></name><name name-style="western" xml:lang="en"><surname>Hanjykova</surname><given-names>O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ханджыкова Огуллейла – врач-терапевт Научно-исследовательского кардиологического центра Медика, Санкт-Петербург.https://orcid.org/0009-0007-3010-1369</p></bio><bio xml:lang="en"><p>Ogulleyla Hanjykova – therapist, Cardiology Department, Research Cardiology Center “Medika”, St. Petersburg. <ext-link xlink:href="https://orcid.org/0009-0007-3010-1369" ext-link-type="uri">https://orcid.org/0009-0007-3010-1369</ext-link></p></bio><email xlink:type="simple">hanjykova@yandex.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/0009-0008-8967-4605</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бегидова</surname><given-names>И. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Begidova</surname><given-names>I. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бегидова Ирина Беслановна – врач-терапевт Научно-исследовательского кардиологического центра Медика, Санкт-Петербург.<ext-link xlink:href="https://orcid.org/0009-0008-8967-4605" ext-link-type="uri">https://orcid.org/0009-0008-8967-4605</ext-link></p></bio><bio xml:lang="en"><p>Irina B. Begidova – therapist, Cardiology Department, Research Cardiology Center “Medika”, St. Petersburg. <ext-link xlink:href="https://orcid.org/0009-0008-8967-4605" ext-link-type="uri">https://orcid.org/0009-0008-8967-4605</ext-link></p></bio><email xlink:type="simple">irina.begidova@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/0000-0002-9085-4872</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Загатина</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zagatina</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Загатина Анжела Валентиновна – доктор мед. наук, врач функциональной диагностики, врач-кардиолог Научно-исследовательского кардиологического центра Медика, Санкт-Петербург.https://orcid.org/<ext-link xlink:href="https://orcid.org/0000-0002-9085-4872" ext-link-type="uri">0000-0002</ext-link>-9085-4872</p></bio><bio xml:lang="en"><p>Angela V. Zagatina – Doct. of Sci. (Med.) doctor of functional diagnostics, doctor cardiologist, Cardiology Department, Research Cardiology Center “Medika”, St. Petersburg. https://orcid.org/<ext-link xlink:href="https://orcid.org/0000-0002-9085-4872" ext-link-type="uri">0000-0002</ext-link>-9085-4872</p></bio><email xlink:type="simple">smiangela@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Научно-исследовательский кардиологический центр Медика, Санкт-Петербург<country>Россия</country></aff><aff xml:lang="en">Cardiology Department, Research Cardiology Center “Medika”, St. Petersburg<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>01</day><month>11</month><year>2024</year></pub-date><volume>0</volume><issue>4</issue><fpage>82</fpage><lpage>92</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Калинина Е.С., Ханджыкова О., Бегидова И.Б., Загатина А.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Калинина Е.С., Ханджыкова О., Бегидова И.Б., Загатина А.В.</copyright-holder><copyright-holder xml:lang="en">Kalinina E.S., Hanjykova O., Begidova I.B., Zagatina A.V.</copyright-holder><license 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://usfd.vidar.ru/jour/article/view/281">https://usfd.vidar.ru/jour/article/view/281</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования: выявить пороговые значения параметров функции левого предсердия (ЛП) в покое и при физической нагрузке, характерные для пациентов с фибрилляцией предсердий (ФП).</p></sec><sec><title>Материал и методы</title><p>Материал и методы. В данном проспективном одноцентровом исследовании был проведен скрининг 300 пациентов, в окончательный анализ вошло 297 человек. Основная когорта пациентов была поделена на 3 группы: пациенты с синусовым ритмом без указания на наличие ФП в анамнезе, группа с пароксизмальной/персистирующей формой ФП (ПФП) в анамнезе, пациенты с постоянной формой ФП. Всем пациентам выполнялась стресс-эхокардиография по протоколу ABCDE с дополнительной оценкой в покое и на пике нагрузки индекса объема и пикового значения фазы резервуара стрейна ЛП.</p></sec><sec><title>Результаты</title><p>Результаты. Доступность исследования функции ЛП была у 99% пациентов (95% ДИ 98–100%). Группу с синусовым ритмом составили 240 человек (1-я группа), с ПФП – 38 человек (2-я группа), с постоянной формой ФП – 19 человек (3-я группа). Определены пороговые значения параметров: объема и функции ЛП и диастолической функции левого желудочка в покое и при физической нагрузке, которые достоверно отличали группу пациентов с синусовым ритмом от пациентов с ПФП (1-ю и 2-ю группы соответственно). Наилучшими параметрами, классифицирующими принадлежность к группе ПФП, были показатели объема и сократимости ЛП. При этом количественный параметр стрейна ЛП значительно лучше классифицировал эти группы пациентов при физической нагрузке (точность – 74%, чувствительность – 89%, специфичность – 49%), чем в покое (точность – 64%, чувствительность – 74%, специфичность – 51%), при p &lt; 0,004.</p></sec><sec><title>Выводы</title><p>Выводы. Полученные пороговые величины функции и объема левого предсердия, а также E/e' в покое и во время физической нагрузке помогут точнее дифференцировать пациентов с одышкой/дискомфортом в грудной клетке на группы с и без пароксизмальной/персистирующей ФП, наиболее точным параметром является стрейн левого предсердия во время физической нагрузки.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective: To determine cut-off values for left atrial function parameters at rest and during physical exercise that are specific to patients with atrial fibrillation (AF).</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. The prospective single-center study with screening tests of 300 patients was carried out; 297 of them were included in the final analysis. The main cohort of patients was divided into three groups: patients with sinus rhythm without a history of AF, a group with paroxysmal/persistent AF, and patients with permanent AF. Stress echocardiography was performed in all patients according to the ABCDE protocol with additional assessment of left atrial volume index and left atrial strain (reservoir phase) at rest and peak exercise.</p></sec><sec><title>Results</title><p>Results. The left atrial function assessment was successful in 99% (95% CI 98–100%) of patients. The group with sinus rhythm included 240 patients (Group 1), with paroxysmal/persistent AF (PAF) – 38 patients (Group 2), with permanent AF (PermAF) – 19 patients (Group 3). The threshold values of the parameters were determined: left atrial volume and function and LV diastolic function at rest and during exercise, which reliably distinguished the group of patients with sinus rhythm from patients with paroxysmal/persistent AF (Groups 1 and 2, respectively). The best parameters for classifying belonging to the PAF group were the volume and contractility of the LA. Moreover, the quantitative parameter of LA strain classified these groups of patients significantly better during physical exercise (accuracy – 74%, sensitivity – 89%, specificity – 49%) than at rest (accuracy – 64%, sensitivity – 74%, specificity – 51%), with p &lt; 0.004.</p></sec><sec><title>Conclusions</title><p>Conclusions. The obtained threshold values of the left atrial function and volume, as well as E/e' at rest and during physical exercise, provide more accurate differentiation of patients with dyspnea/chest discomfort into groups with and without paroxysmal/persistent AF. The most accurate parameter is the left atrial strain during the exercise stress test.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>стресс-эхокардиография</kwd><kwd>стрейн левого предсердия</kwd><kwd>фибрилляция предсердий</kwd><kwd>функция левого предсердия</kwd><kwd>стресс-эхо с физической нагрузкой</kwd></kwd-group><kwd-group xml:lang="en"><kwd>stress echocardiography</kwd><kwd>left atrial strain</kwd><kwd>atrial fibrillation</kwd><kwd>left atrial function</kwd><kwd>exercise stress echo</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">Hindricks G., Potpara T., Dagres N. et al.; ESC Scientific Document Group. 2020 ESC Guidelines for the diagnosis and management of atrial fibrillation developed in collaboration with the European Association for Cardio-Thoracic Surgery (EACTS): The Task Force for the diagnosis and management of atrial fibrillation of the European Society of Cardiology (ESC) Developed with the special contribution of the European Heart Rhythm Association (EHRA) of the ESC. 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