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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">vestar</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник аритмологии</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of Arrhythmology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8641</issn><issn pub-type="epub">2658-7327</issn><publisher><publisher-name>НАО «Инкарт»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25760/VA-2019-95-5-16</article-id><article-id custom-type="elpub" pub-id-type="custom">vestar-135</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 ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>ВЕРИФИКАЦИЯ ТОЧНОСТИ НЕИНВАЗИВНОГО ЭПИ-ЭНДОКАРДИАЛЬНОГО ЭЛЕКТРОФИЗИОЛОГИЧЕСКОГО КАРТИРОВАНИЯ СЕРДЦА ПРИ ЛЕВОЖЕЛУДОЧКОВОЙ ЭПИКАРДИАЛЬНОЙ СТИМУЛИРОВАННОЙ ЭКТОПИИ</article-title><trans-title-group xml:lang="en"><trans-title>VALIDATION OF NONINVASIVE EPI-ENDOCARDIAL ELECTROCARDIOGRAPHIC IMAGING ACCURACY USING LEFT VENTRICULAR EPICARDIAL PACING</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>Чмелевский</surname><given-names>М. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Chmelevsky</surname><given-names>M. P.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зубарев</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zubarev</surname><given-names>S. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Буданова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Budanova</surname><given-names>M. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трешкур</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Treshkur</surname><given-names>T. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лебедев</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Lebedev</surname><given-names>D. S.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>ФГБУ «НМИЦ им. В.А.Алмазова» МЗ РФ&#13;
EP Solutions SA, Yverdon-les-Bains, Switzerland</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>ФГБУ «НМИЦ им. В.А.Алмазова» МЗ РФ</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>18</day><month>04</month><year>2019</year></pub-date><volume>26</volume><issue>1</issue><fpage>5</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чмелевский М.П., Зубарев С.В., Буданова М.А., Трешкур Т.В., Лебедев Д.С., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Чмелевский М.П., Зубарев С.В., Буданова М.А., Трешкур Т.В., Лебедев Д.С.</copyright-holder><copyright-holder xml:lang="en">Chmelevsky M.P., Zubarev S.V., Budanova M.A., Treshkur T.V., Lebedev D.S.</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://vestar.elpub.ru/jour/article/view/135">https://vestar.elpub.ru/jour/article/view/135</self-uri><abstract><p>Топическая диагностика фокусных аритмий с помощью различных систем инвазивного электроанатомического картирования основана на регистрации электрических потенциалов на поверхности эндокарда или эпикарда. Однако одновременная регистрация зон ранней активации на эпикарде и эндокарде при многофокусных неустойчивых аритмиях является сложной и часто невозможной задачей. Неинвазивное электрофизиологическое картирование сердца (НЭФК) является инновационной методикой, позволяющей осуществлять картирование эндокардиальной и эпикардиальной поверхности сердца за один сердечный цикл. Целью данной работы явилась верификация точности НЭФК при левожелудочковой (ЛЖ) эпикардиальной стимулированной эктопии с оценкой качества построения полигональных моделей и подробным анализом совокупного влияния множества различных факторов в рамках одноцентрового слепого поперечного исследования.Материалы и методы. В исследование были включены 30 пациентов с ранее имплантированными устройствами сердечной ресинхронизирующей терапии (СРТ). Всем пациентам проводилось регистрация многоканальной ЭКГ с использованием системы «Amycard 01C EP LAB» (ООО «Амикард», Россия - EP Solutions SA, Switzerland) при изолированной моно- или биполярной эпикардиальной стимуляции с кончика ЛЖ электрода. Для получения трехмерных анатомических моделей сердца проводилась МСКТ с контрастированием и ЭКГ синхронизацией (Somatom Defi nition 128, Siemens AG, Germany) с последующим построением полигональных эпи- и эпи-эндокардиальных моделей желудочков. Зона ранней активации миокарда определялась на изопотенциальных картах с точностью до 1 мс с последующим измерением расстояний до кончика ЛЖ электрода.Результаты. Среднее значение (SD) точности составило 9 (6) мм для эпикардиальной модели и 12 (5) мм - для эпикарда эпи-эндокардиальной модели, медиана (25-75% IQR) - 7 (5-11) мм и 11 (9-16) мм, соответственно. Сопоставление точности НЭФК на эпи- и эпиэндо-моделях показало наличие статистически значимого различия (p=0,007). Значимых взаимосвязей между параметрами МСКТ, стимуляции, клиническими характеристиками и значениями точности не было обнаружено.Выводы. Проведенное исследование является первым клиническим исследованием точности НЭФК на эпикардиальной и эндокардиальной поверхности желудочков сердца, учитывающим качество построения полигональных моделей и возможное влияние разных факторов на используемый алгоритм решения обратной  задачи ЭКГ. Данное исследование показало возможность НЭФК с достаточной точностью (медиана менее 12 мм) распознавать зону ранней активации стимулированной левожелудочковой эктопии на эпикардиальных и эпи-эндокардиальных моделях. Таким образом, это подтверждает принципиальную возможность использования НЭФК для неинвазивной диагностики ранней зоны активации фокусных аритмий в ЛЖ.</p></abstract><trans-abstract xml:lang="en"><p>Topical diagnosis of focal arrhythmias using different invasive electroanatomic mapping systems is based on the registration of electrical potentials on the endo- or epicardial surface. At the same time, simultaneous registration of early activation zones on both epi- and endocardium remains a challenging task, especially in complex and unstable atrial and ventricular arrhythmias. Noninvasive ElectroCardioGraphic Imaging (ECGI) is a method that allows to electrically map endocardial and epicardial surfaces. The aim of this single-center cross-sectional single-blind study was to evaluate the accuracy of noninvasive ECGI epi-endocardial mapping based on the left ventricular (LV) epicardial pacings in patients with implanted CRT devices.Methods. 30 patients with previously implanted pacemakers underwent epi-endocardial ECGI mapping using “Amycard 01C EP Lab” system (Amycard LLC, Russia - EP Solutions SA, Switzerland). Multichannel ECG were recorded during left epicardial ventricular pacings followed by torso and ECG-gated cardiac computed tomography. The data obtained from CT was imported into “Amycard 01C EP lab” software in DICOM-format to reconstruct 3D polygonal models of the torso and heart. In this study we consider both epicardial and epi-endocardial 3D models of the heart. Early activation zone was determined from the isopotential maps with 1 ms step followed by geodesic distance measurement between noninvasively reconstructed and the reference pacing site.Results. The mean (SD) geodesic distance between noninvasively reconstructed and the reference pacing sites was 9 (6) mm for the LV epicardial and 12 (5) for the LV epi-endocardial models, median (25-75% IQR) - 7 (5-11) mm и 11 (9-16) mm respectively. There was a signifi cant difference in accuracy for LV epicardial and epi-endocardial models (p=0,007). At the same time, there were no signifi cant interrelations between cardiac CT, pacing, clinical characteristics and accuracy values.Conclusions. This is the fi rst clinical study that specifi cally demonstrates noninvasive epi-endocardial ECGI accuracy considering also the quality of polygon models as well as possible infl uence of different factors on the utilized inverse ECG problem algorithm. The main fi nding of this study was that the median accuracy of noninvasive ECGI mapping was 12 mm for the epicardial LV pacing on epi- and endocardial surfaces. Therefore, this study showed suffi cient accuracy to use this technology in routine clinical practice for identifi cation of focal arrhythmia sources. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>неинвазивное эпи-эндокардиальное электрофизиологическое картирование сердца</kwd><kwd>обратная задача электрокардиографии</kwd><kwd>верификация точности</kwd><kwd>левожелудочковая стимулированная эктопия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>noninvasive epi-endocardial electrocardiographic imaging</kwd><kwd>inverse ECG problem</kwd><kwd>validation of accuracy</kwd><kwd>left ventricular pacing</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">MacLeod R., Brooks D. Recent progress in inverse problems in electrocardiology // IEEE Engineering in Medicine and Biology Magazine. 1998. 17. № 1. С. 73-83.</mixed-citation><mixed-citation xml:lang="en">MacLeod R., Brooks D. 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