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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">evrazkar</journal-id><journal-title-group><journal-title xml:lang="ru">Евразийский Кардиологический Журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Eurasian heart journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2225-1685</issn><issn pub-type="epub">2305-0748</issn><publisher><publisher-name>Евразийская ассоциация кардиологов</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.38109/2225-1685-2026-1-36-45</article-id><article-id custom-type="elpub" pub-id-type="custom">evrazkar-6584</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 СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL PAPERS</subject></subj-group></article-categories><title-group><article-title>Трудности диагностики аритмогенной кардиомиопатии правого желудочка.</article-title><trans-title-group xml:lang="en"><trans-title>Challenges in the diagnosis of arrhythmogenic right ventricular cardiomyopathy.</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9917-5932</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Комиссарова</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Komissarova</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Комиссарова Светлана Михайловна, д.м.н., профессор, главный научный сотрудник, лаборатория хронической сердечной недостаточности</p></bio><bio xml:lang="en"><p>Svetlana M. Komissarova, Cand. Of Scien. (Med.), Professor, chief researcher</p></bio><email xlink:type="simple">kom_svet@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/0000-0002-1986-1367</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ринейская</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rineiska</surname><given-names>N. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ринейская Надежда Михайловна, к.м.н., научный сотрудник, лаборатория хронической сердечной недостаточности</p></bio><bio xml:lang="en"><p>Nadiia M. Rineiska, Cand. Of Scien. (Med.), researcher</p></bio><email xlink:type="simple">nadya.rin@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/0000-0003-4721-9109</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чакова</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Chakova</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чакова Наталья Николаевна, к.б.н., ведущий научный сотрудник, лаборатория генетики животных</p></bio><bio xml:lang="en"><p>Natalya N. Chakova, Cand. Of Scien. (Biol.), leading researcher</p></bio><email xlink:type="simple">chaknat@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3566-7644</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ниязова</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Niyazova</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ниязова Светлана Сергеевна, младший научный сотрудник, лаборатория генетики животных</p></bio><bio xml:lang="en"><p>Svetlana N. Niyazova, junior researcher</p></bio><email xlink:type="simple">kruglenko_sveta@tut.by</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2424-6104</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ефимова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Efimova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ефимова Анастасия Александровна, младший научный сотрудник, лаборатория хронической сердечной недостаточности, врач лучевой диагностики, рентгеновское отделение</p></bio><bio xml:lang="en"><p>Anastasia A. Efimova, junior researcher</p></bio><email xlink:type="simple">anst.efimova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГУ «Республиканский научно-практический центр «Кардиология»</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>State Institution Republican Scientific and Practical Centre «Cardiology»</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГНУ «Институт генетики и цитологии НАН Беларуси»</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Institute of Genetics and Cytology of Belarus National Academy of Sciences,</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>24</day><month>02</month><year>2026</year></pub-date><volume>0</volume><issue>1</issue><fpage>36</fpage><lpage>45</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Комиссарова С.М., Ринейская Н.М., Чакова Н.Н., Ниязова С.С., Ефимова А.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Комиссарова С.М., Ринейская Н.М., Чакова Н.Н., Ниязова С.С., Ефимова А.А.</copyright-holder><copyright-holder xml:lang="en">Komissarova S.M., Rineiska N.M., Chakova N.N., Niyazova S.N., Efimova A.A.</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.heartj.asia/jour/article/view/6584">https://www.heartj.asia/jour/article/view/6584</self-uri><abstract><p>Введение. Диагностика аритмогенной кардиомиопатии правого желудочка (АКПЖ) представляет собой трудную задачу. Несмотря на пересмотренные в 2010 году критерии целевой группы ITF 2010 у большинства пациентов до сих пор возникают сложности в установлении этого заболевания. Цель. Оценить клиническую картину пациентов с предварительным диагнозом «АКПЖ» с акцентом на окончательный диагноз, который был установлен после углубленного обследования в РНПЦ «Кардиология» и генетического исследования в Институте генетики и цитологии НАН Беларуси. Материал и методы. Обследовано 28 пациентов (мужчин 53,6%, медиана возраста 35 [24; 43] лет), направленных в РНПЦ «Кардиология» с предварительным диагнозом АКПЖ. Клинико-инструментальное обследование включало ЭКГ в 12 отведениях (ЭКГ-12), суточное мониторирование ЭКГ (СМ ЭКГ), трансторакальную эхокардиографию (ТТЭ) и магнитно-резонансную томографию (МРТ) сердца с отсроченным контрастным усилением (ОКУ). Диагноз АКПЖ устанавливался в соответствии с критериями ITF 2010 г. и выделением следующих категорий: достоверный, пограничный и вероятный диагноз. Поиск мутаций в кодирующих последовательностях генов, ассоциированных с развитием кардиомиопатий и наследственных нарушений ритма, проводили методом высокопроизводительного секвенирования (NGS). Результаты. При обследовании когорты из 28 пациентов с предварительным диагнозом АКПЖ только у 7 (20%) пациентов была диагностирована достоверная АКПЖ согласно критериям ITF 2010 г. и подтверждена при генотипировании (варианты в генах PKP2, DSG у 5 пациентов, вариант в недесмосомном гене TMEM43 у 1 пациента и замены в генах ILK и RBM20 у 1 пациента). У 8 (28,6%) пациентов установлена пограничная АКПЖ, а у 4 (14,3%) – вероятная АКПЖ. У 9 (32,1%) пациентов диагноз АКПЖ был исключен из-за ошибочной интерпретации МРТ сердца. При генотипировании не выявлены варианты в генах, ассоциированные с АКПЖ в группах пациентов с пограничной и вероятной АКПЖ, а также в группе с исключенным диагнозом АКПЖ. В общей сложности, 7 (25%) пациентам был имплантирован ИКД, из этих случаев 6 признаны целесообразными, у 1 пациента с неподтвержденным диагнозом АКПЖ – нецелесообразным. Выводы. Ошибочный диагноз АКПЖ установлен у 32,1% пациентов с подозрением на АКПЖ. Ложные подозрения чаще всего были вызваны неправильной интерпретацией результатов МРТ сердца, связанных с неверной оценкой регионального дискинеза/акинеза стенок правого желудочка (ПЖ) из-за наличия таких факторов, как перикардиальная перетяжка, дивертикул стенки ПЖ, воронкообразная грудная клетка, расширение ПЖ у спортсменов или частая аритмия, вызывающая артефакты. Генотипирование позволяет своевременно верифицировать достоверный диагноз АКПЖ в данной когорте пациентов.</p></abstract><trans-abstract xml:lang="en"><p>Introduction. The diagnosis of arrhythmogenic right ventricular cardiomyopathy (ARVC) remains a challenging task. Despite the revised 2010 criteria of the ITF Task Force, most patients still face difficulties in establishing this diagnosis. Objective. To assess the clinical and genetic characteristics of patients with a preliminary diagnosis of “ARVC,” with a focus on the final diagnosis established after re-evaluation at the Republican Scientific and Practical Center of Cardiology (RSPC “Cardiology”). Material and methods. Twenty-eight patients (53.6% male, median age 35 [24; 43] years) with a preliminary diagnosis of ARVC referred to the RSPC “Cardiology” were examined. The clinical and instrumental evaluation included 12-lead ECG, 24-hour Holter monitoring, transthoracic echocardiography (TTE), and cardiac magnetic resonance imaging (MRI) with late gadolinium enhancement (LGE). The ARVC diagnosis was based on the 2010 ITF criteria and classified into definite, borderline, and possible categories. Genetic testing for mutations in genes associated with cardiomyopathies and inherited rhythm disorders was performed using next-generation sequencing (NGS). Results. Among the 28 patients with a preliminary diagnosis of ARVC, only 7 (25%) were diagnosed with definite ARVC according to the 2010 ITF criteria and confirmed by genotyping (mutations in the PKP2 and DSG genes in 5 patients, mutation in the non-desmosomal TMEM43 gene in 1 patient, and mutations in ILK and RBM20 genes in 1 patient). Eight (28.6%) patients were diagnosed with borderline ARVC, and 4 (14.3%) with possible ARVC. In 9 (32.1%) patients, the diagnosis of ARVC was ruled out due to misinterpretation of cardiac MRI. Genotyping revealed no ARVC-associated mutations in the borderline, possible, or excluded groups. A total of 7 (25%) patients received an ICD; of these, 6 were deemed appropriate, while 1 was considered inappropriate due to an unconfirmed ARVC diagnosis. Conclusions. A misdiagnosis of ARVC was found in 32.1% of patients suspected of having the condition. The most common reason for false suspicion was misinterpretation of cardiac MRI results, particularly regional dyskinesia/akinesia of the right ventricular wall due to factors such as pericardial constriction, right ventricular diverticulum, pectus excavatum, right ventricular enlargement in athletes, or frequent arrhythmias causing artifacts. Genotyping proved helpful in timely confirmation of the ARVC diagnosis in this patient cohort.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>аритмогенная кардиомиопатия правого желудочка</kwd><kwd>критерии диагностики</kwd><kwd>магнитно-резонансная томография</kwd><kwd>высокопроизводительное секвенирование</kwd><kwd>диагностические ошибки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>arrhythmogenic right ventricular cardiomyopathy</kwd><kwd>diagnostic criteria</kwd><kwd>magnetic resonance imaging</kwd><kwd>next-generation sequencing</kwd><kwd>diagnostic errors</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">McKenna W.J., Thiene G., Nava A., et al. Diagnosis of arrhythmogenic right ventricular dysplasia/cardiomyopathy. 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