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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">Perm Medical Journal</journal-id><journal-title-group><journal-title xml:lang="en">Perm Medical Journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Пермский медицинский журнал (сетевое издание "Perm medical journal")</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0136-1449</issn><issn publication-format="electronic">2687-1408</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">34265</article-id><article-id pub-id-type="doi">10.17816/pmj37265-82</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original studies</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</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">Use of echocardiographic parameters of longitudinal mechanics to estimate diastolic function of systemic ventricle in patients after fontan operation</article-title><trans-title-group xml:lang="ru"><trans-title>Использование эхокардиографических показателей продольной механики для оценки диастолической функции системного желудочка у пациентов после операции фонтена</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sinelnikov</surname><given-names>Yu. S.</given-names></name><name xml:lang="ru"><surname>Синельникова</surname><given-names>Ю. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Head Physician; Associate Professor of Department of Surgery with Course of Cardiovascular Surgery and Invasive Cardiology</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, главный врач, доцент кафедры хирургии с курсом сердечнососудистой хирургии и инвазивной кардиологии</p></bio><email>Tania-larigina@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Matanovskaya</surname><given-names>T. V.</given-names></name><name xml:lang="ru"><surname>Матановская</surname><given-names>Т. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Candidate of Medical Sciences, cardiologist</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук, врач-кардиолог</p></bio><email>Tania-larigina@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Orekhov</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Орехов</surname><given-names>С. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>resident Department of Pediatrics with Course of Polyclinic Pediatrics</p></bio><bio xml:lang="ru"><p>врач-ординатор (второго года) кафедры педиатрии с курсом поликлинической педиатрии</p></bio><email>Tania-larigina@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Sukhanov Federal Center of Cardiovascular Surgery</institution></aff><aff><institution xml:lang="ru">Федеральный центр сердечнососудистой хирургии имени С.Г. Суханова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">E.A. Vagner Perm State Medical University</institution></aff><aff><institution xml:lang="ru">Пермский государственный медицинский университет имени академика Е.А. Вагнера</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-06-01" publication-format="electronic"><day>01</day><month>06</month><year>2020</year></pub-date><volume>37</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>65</fpage><lpage>82</lpage><history><date date-type="received" iso-8601-date="2020-05-31"><day>31</day><month>05</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Sinelnikov Y.S., Matanovskaya T.V., Orekhov S.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Синельникова Ю.С., Матановская Т.В., Орехов С.А.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Sinelnikov Y.S., Matanovskaya T.V., Orekhov S.A.</copyright-holder><copyright-holder xml:lang="ru">Синельникова Ю.С., Матановская Т.В., Орехов С.А.</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/">http://creativecommons.org/licenses/by-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://permmedjournal.ru/PMJ/article/view/34265">https://permmedjournal.ru/PMJ/article/view/34265</self-uri><abstract xml:lang="en"><p><bold>Objective</bold>. To study the possibilities of using echocardiographic parameters of longitudinal mechanics to assess the diastolic function of the systemic ventricle (SV) in patients after Fontan operation.</p> <p><bold>Material and methods.</bold> We examined 29 children aged 8,6 ± 3,16 years with a functionally single ventricle of the heart after performing a total cavopulmonary connection with fenestration of extracardiac conduit. By computed tomography there were evaluated: myocardial mass index (MMI) SV, ejection fraction (EF) SV, cardiac output (CO) SV, cardiac index (CI) SV. In addition to conventional echocardiographic (Echo) parameters, we also studied: diastolic velocity parameters of the longitudinal mechanics of the SV during the early rapid filling phase (SR E), in the phase of late diastolic filling (SR A), the ratio of the peaks of the strain rate (SR E/SR A), the stiffness index of a «functionally single» atrium, the atrial strain in conduit phase (AS cd), reservoir (ASr), and in the contractile phase (AS ct).</p> <p><bold>Results.</bold> Reduced values of the SI, CO and CI SV, an increase in MMI SV, normal values of EF SV. The parameters of the longitudinal diastolic strain rate in the early and late filling phases of e SV showed a direct significant correlation with SI, CO and CI SV and inverse correlation with E/e '. Parameters of longitudinal strain of the «functionally single» atrium in all phases were reduced, they all correlated with E / e´, SR E / SR A, MMI SV, SI, CO and CI SV. There was no statistically significant relationship between the parameters of the longitudinal function of the atrium in all phases and atrial stiffness with sex and body surface area.</p> <p><bold>Conclusions</bold>. 1. The parameters of the longitudinal diastolic strain rate can be used to identify the diastolic dysfunction of the systemic ventricle in children after Fontan operation. 2. The hemodynamic parameters of the systemic ventricle (stroke index, cardiac output, cardiac index) determine the parameters of its diastolic mechanics. 3. The reservoir, conduit, and contractile atrial function in patients after total cavopulmonary connection are associated with both characteristics of diastolic longitudinal strain rate and hemodynamic parameters of systemic ventricle.</p> <p> </p><p> </p> </abstract><trans-abstract xml:lang="ru"><p><bold>Цель</bold>. Изучена возможность использования эхокардиографических показателей продольной механики для оценки диастолической функции системного желудочка (СЖ) у пациентов после операции Фонтена.</p> <p><bold>Материал и методы</bold>. Обследовано 29 детей в возрасте 8,6 ± 3,16 г. с функционально единственным желудочком сердца после операции Фонтена. Оценены: методом компьютерной томографии – индекс массы миокарда (ИММ) СЖ, фракция выброса (ФВ) СЖ, сердечный выброс (СВ) СЖ, сердечный индекс (СИ) СЖ; по данным эхокардиографии (ЭхоКГ) – диастолические скоростные показатели продольной механики СЖ в фазу раннего быстрого наполнения (SR Е), в фазу позднего диастолического наполнения (SR А), соотношение пиков скорости деформации, индекс жесткости функционально единого предсердия, деформация предсердия в фазу кондуита (AS cd), резервуара (ASr) и в контрактильную фазу (AS ct).</p> <p><bold>Результаты</bold>. Отмечены сниженные значения УИ, СВ и СИ СЖ, увеличение ИММ СЖ, получены нормальные показатели ФВ СЖ. Параметры скорости продольной диастолической деформации в раннюю и позднюю фазы наполнения СЖ продемонстрировали прямую значимую связь с УИ, СВ и СИ СЖ, и обратную связь с Е/е'. Показатели продольной деформации функционально единого предсердия во все фазы были снижены, коррелировали с E/e´, SR E/SR A, ИММ СЖ, УИ, СВ и CИ. Не было выявлено статистически значимой связи показателей продольной функции предсердия во все фазы и его жесткости с полом, площадью поверхности тела.</p> <p><bold>Выводы.</bold> 1. Показатели продольной скорости диастолической деформации могут быть использованы для выявления признаков диастолической дисфункции системного желудочка у детей после операции Фонтена. 2. Гемодинамические параметры системного желудочка (ударный индекс, сердечный выброс, сердечный индекс) определяют показатели его диастолической механики. 3. Резервуарная, кондуитная и контрактильная функции предсердия у пациентов с тотальным авапульмональным соединением связаны как со скоростными характеристиками диастолической продольной деформации, так с гемодинамическими араметрами системного желудочка.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Longitudinal strain</kwd><kwd>strain rate</kwd><kwd>single ventricle</kwd><kwd>Fontan operation</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>Продольная деформация</kwd><kwd>скорость деформации</kwd><kwd>единственный желудочек</kwd><kwd>операция Фонтена</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Jacobs J.P., Maruszewski B. Functionally Univentricular Heart and the Fontan Operation: Lessons Learned About Patterns of Practice and Outcomes From the Congenital Heart Surgery Databases of the European Association for Cardio-Thoracic Surgery and the Society of Thoracic Surgeons. 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