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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">r-n-j</journal-id><journal-title-group><journal-title xml:lang="ru">Российский неврологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Russian neurological journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2658-7947</issn><issn pub-type="epub">2686-7192</issn><publisher><publisher-name>МИА</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30629/2658-7947-2022-27-6-50-55</article-id><article-id custom-type="elpub" pub-id-type="custom">r-n-j-371</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>ИССЛЕДОВАНИЯ И КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL RESEARCHES AND CASE REPORTS</subject></subj-group></article-categories><title-group><article-title>Фенотипирование эмболического криптогенного инсульта на основании ультразвуковой диагностики и определения сывороточной концентрации NT-proBNP</article-title><trans-title-group xml:lang="en"><trans-title>Phenotyping of embolic cryptogenic stroke based on ultrasound diagnosis and determination of serum concentration NT-proBNP</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5679-4100</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мехряков</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mekhryakov</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пермь</p></bio><bio xml:lang="en"><p>Perm</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8305-1115</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сыромятникова</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Syromyatnikova</surname><given-names>L. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пермь</p></bio><bio xml:lang="en"><p>Perm</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6061-8118</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кулеш</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulesh</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кулеш Алексей Александрович</p><p>Пермь</p></bio><bio xml:lang="en"><p>Perm</p></bio><email xlink:type="simple">aleksey.kulesh@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/0000-0002-6310-9316</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шестаков</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shestakov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пермь</p></bio><bio xml:lang="en"><p>Perm</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7536-2060</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каракулова</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Karakulova</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пермь</p></bio><bio xml:lang="en"><p>Perm</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Пермский государственный медицинский университет им. академика Е.А. Вагнера» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Acad. E.A. Vagner Perm State Medical University, Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>11</day><month>01</month><year>2023</year></pub-date><volume>27</volume><issue>6</issue><fpage>50</fpage><lpage>55</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мехряков С.А., Сыромятникова Л.И., Кулеш А.А., Шестаков В.В., Каракулова Ю.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Мехряков С.А., Сыромятникова Л.И., Кулеш А.А., Шестаков В.В., Каракулова Ю.В.</copyright-holder><copyright-holder xml:lang="en">Mekhryakov S.A., Syromyatnikova L.I., Kulesh A.A., Shestakov V.V., Karakulova Y.V.</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://www.r-n-j.com/jour/article/view/371">https://www.r-n-j.com/jour/article/view/371</self-uri><abstract><sec><title>Введение</title><p>Введение. Определение потенциальных механизмов, лежащих в основе криптогенного ишемического инсульта, необходимо для направления диагностического поиска и персонализации вторичной профилактики.</p></sec><sec><title>Цель исследования</title><p>Цель исследования: изучить фенотипы эмболического инсульта из неустановленного источника (embolic stroke of undetermined source — ESUS) на основании ультразвуковой диагностики и определения сывороточной концентрации про-натрийуретического N-концевого пептида В-типа (N-Terminal Pro-brain Natriuretic Peptide, NT-proBNP).</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Обследован 141 пациент с ESUS. Помимо стандартного обследования, направленного на поиск причины инсульта, оценивались функциональные характеристики левого предсердия при помощи фракции опорожнения (left atrial emptying fraction, LAEF) и функционального индекса (left atrial function index, LAFI), также измерялась концентрация NT-proBNP в сыворотке крови.</p></sec><sec><title>Результаты</title><p>Результаты. Наиболее частыми потенциальными источниками эмболии явились атеросклеротические бляшки инсульт-ассоциированной сонной артерии со стенозированием 30–49% (31,9% пациентов) и предсердная кардиопатия со снижением LAEF &lt; 51,8% (24,8% пациентов). Анализ комбинаций потенциальных источников показал, что у 46,1% пациентов имел место отрицательный, у 21,3% больных — кардиальный, у 19,1% пациентов — атеросклеротический и у 13,5% обследованных — смешанный фенотип. Пациенты с кардиально-атеросклеротическим фенотипом отличались от пациентов с отрицательным фенотипом более высокой инвалидностью по шкале Рэнкина при выписке из стационара.</p></sec><sec><title>Заключение</title><p>Заключение. Основными потенциальными эмболическими источниками у пациентов с ESUS являются нестенозирующий каротидный атеросклероз и предсердная кардиопатия со снижением LAEF. Кардиальный и атеросклеротический фенотипы определяются у четверти пациентов, смешанный фенотип — у каждого седьмого пациента, тогда как почти у половины пациентов не обнаруживается источников эмболии.</p></sec></abstract><trans-abstract xml:lang="en"><p>Determining the potential mechanisms underlying cryptogenic ischemic stroke is essential to guide diagnostic discovery and personalize secondary prevention.</p><p>Purpose is to study the phenotypes of embolic stroke of undetermined source (ESUS) based on ultrasound diagnosis and determination of the serum concentration of pro-natriuretic N-terminal peptide B-type (N-Terminal Pro-brain Natriuretic Peptide, NT-proBNP).</p><sec><title>Materials and methods</title><p>Materials and methods. 141 patients with ESUS were examined. In addition to the standard examination aimed at fi nding the cause of stroke, the functional characteristics of the left atrium were assessed using the emptying fraction (left atrial emptying fraction, LAEF) and the functional index (left atrial function index, LAFI), and the concentration of NT-proBNP in blood serum was also measured.</p></sec><sec><title>Results</title><p>Results. The most common potential sources of embolism were atherosclerotic plaques in the stroke-associated carotid artery with stenosis in 30–49% (31.9% of patients) and atrial cardiopathy with a decrease in LAEF &lt; 51.8% (24.8% of patients). An analysis of combinations of potential sources showed that 46.1% of patients had a negative phenotype, 21.3% of patients had a cardiac phenotype, 19.1% of patients had an atherosclerotic phenotype, and 13.5% of the examined patients had a mixed phenotype. Patients with a cardio-atherosclerotic phenotype diff ered from patients with a negative phenotype by higher disability on the Rankin scale at discharge from the hospital.</p></sec><sec><title>Conclusion</title><p>Conclusion. The main potential embolic sources in patients with ESUS are non-stenosing carotid atherosclerosis and atrial cardiopathy with decreased LAEF. Cardiac and atherosclerotic phenotypes are determined in a quarter of patients, a mixed phenotype is found in every seventh patient, while in almost half of the patients no sources of embolism are found.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>криптогенный инсульт</kwd><kwd>ESUS</kwd><kwd>атеросклероз</kwd><kwd>предсердная кардиопатия</kwd><kwd>LAEF</kwd><kwd>NT-proBNP</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cryptogenic stroke</kwd><kwd>ESUS</kwd><kwd>atherosclerosis</kwd><kwd>atrial cardiopathy</kwd><kwd>LAEF</kwd><kwd>NT-proBNP</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">Ntaios G. Embolic Stroke of Undetermined Source: JACC Review Topic of the Week. J Am Coll Cardiol. 2020;75(3):333–340.</mixed-citation><mixed-citation xml:lang="en">Ntaios G. Embolic Stroke of Undetermined Source: JACC Review Topic of the Week. 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