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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">CardioSomatics</journal-id><journal-title-group><journal-title xml:lang="en">CardioSomatics</journal-title><trans-title-group xml:lang="ru"><trans-title>CardioСоматика</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2221-7185</issn><issn publication-format="electronic">2658-5707</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">678062</article-id><article-id pub-id-type="doi">10.17816/CS678062</article-id><article-id pub-id-type="edn">NVNJVC</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Case reports</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Клинические случаи</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">Cardiomyopathy associated with noncompaction myocardium in a patient with dextrocardia: a case report</article-title><trans-title-group xml:lang="ru"><trans-title>Кардиомиопатия на фоне некомпактного миокарда у пациента с декстрокардией: клинический случай</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-8488-7473</contrib-id><contrib-id contrib-id-type="spin">3461-7481</contrib-id><name-alternatives><name xml:lang="en"><surname>Parshin</surname><given-names>Mihail S.</given-names></name><name xml:lang="ru"><surname>Паршин</surname><given-names>Михаил Сергеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Komer7en@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3461-8285</contrib-id><contrib-id contrib-id-type="spin">2945-4892</contrib-id><name-alternatives><name xml:lang="en"><surname>Kuziev</surname><given-names>Ibrokhimdzhon D.</given-names></name><name xml:lang="ru"><surname>Кузиев</surname><given-names>Иброхимджон Джахонбекович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kuzievibrohim@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-5654-3346</contrib-id><name-alternatives><name xml:lang="en"><surname>Semchenko</surname><given-names>Alexandra V.</given-names></name><name xml:lang="ru"><surname>Семченко</surname><given-names>Александра Викторовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Kinder.v.mede@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-5566-816X</contrib-id><name-alternatives><name xml:lang="en"><surname>Krotova</surname><given-names>Sofia I.</given-names></name><name xml:lang="ru"><surname>Кротова</surname><given-names>София Игоревна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sonya.krotova@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-2974-8554</contrib-id><name-alternatives><name xml:lang="en"><surname>Polyakov</surname><given-names>Artem I.</given-names></name><name xml:lang="ru"><surname>Поляков</surname><given-names>Артем Игоревич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>tyemik2001@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-7556-0412</contrib-id><name-alternatives><name xml:lang="en"><surname>Gasanova</surname><given-names>Svetlana R.</given-names></name><name xml:lang="ru"><surname>Гасанова</surname><given-names>Светлана Руслановна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>svetamrr1609@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-4260-204X</contrib-id><name-alternatives><name xml:lang="en"><surname>Barkhatov</surname><given-names>Nikita S.</given-names></name><name xml:lang="ru"><surname>Бархатов</surname><given-names>Никита Сергеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hoksig67@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8549-573X</contrib-id><name-alternatives><name xml:lang="en"><surname>Voronin</surname><given-names>Igor M.</given-names></name><name xml:lang="ru"><surname>Воронин</surname><given-names>Игорь Михайлович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><email>voronin_tmb@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Tambov State University named after G.R. Derzhavin</institution></aff><aff><institution xml:lang="ru">Тамбовский государственный университет им. Г.Р. Державина</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">City Clinical Hospital No. 4, Tambov</institution></aff><aff><institution xml:lang="ru">Городская клиническая больница № 4 г. Тамбова</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-10-27" publication-format="electronic"><day>27</day><month>10</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-12-09" publication-format="electronic"><day>09</day><month>12</month><year>2025</year></pub-date><volume>16</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>275</fpage><lpage>283</lpage><history><date date-type="received" iso-8601-date="2025-04-02"><day>02</day><month>04</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-10-10"><day>10</day><month>10</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, ООО "Эко-Вектор"</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">ООО "Эко-Вектор"</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/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://cardiosomatics.ru/2221-7185/article/view/678062">https://cardiosomatics.ru/2221-7185/article/view/678062</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND: </bold>The coexistence of cardiomyopathy and dextrocardia is of considerable clinical interest due to its rarity and the complexity of its pathogenesis, which may involve common embryogenetic abnormalities. A clinical case analysis was performed in a 45-year-old patient with dextrocardia who was admitted to the cardiology department. Data from physical examination, laboratory testing (complete blood count, biochemical analysis of blood and urine), and instrumental studies (echocardiography, electrocardiography, chest radiography, and cardiac magnetic resonance imaging) were used.</p> <p><bold>CASE DESCRIPTION: </bold>The article highlights current data on the etiology, genetic aspects, and clinical manifestations of the coexistence of cardiomyopathy and dextrocardia. Particular attention is given to mixed etiology, in which the interaction of genetic mutations (over 1,400 identified genes, including those encoding sarcomeric proteins) with exogenous factors (toxins, inflammation, and metabolic disorders) contributes to the complex pathogenesis and clinical course. An example of such a combined disorder is presented in a clinical case involving a rare anatomical anomaly—dextrocardia, in which the heart is located in the right hemithorax. This combination is quite rare in modern clinical practice; therefore, special attention should be given to a comprehensive diagnostic approach that considers genetic, environmental, and comorbid factors, as well as to the importance of an interdisciplinary strategy aimed at improving prognosis and quality of life.</p> <p><bold>CONCLUSION: </bold>The presented case underscores the importance of thorough diagnostics, including advanced imaging modalities (MRI), for identifying specific cardiomyopathy phenotypes such as left ventricular noncompaction (LVNC) in patients with rare anatomical anomalies. A comprehensive, individualized approach enables the successful implementation of standard therapeutic regimens and achievement of favorable outcomes. The need for further genetic testing is emphasized.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование. </bold>Сочетание кардиомиопатии и декстрокардии представляет значительный клинический интерес в связи с редкостью и сложностью патогенеза, который может быть связан с общими нарушениями эмбриогенеза. Проведён анализ клинического случая пациента 45 лет с декстрокардией, госпитализированного в кардиологическое отделение. Использованы данные физикального осмотра, лабораторных (общий и биохимический анализы крови, мочи) и инструментальных (эхокардиография, электрокардиография, рентгенография органов грудной клетки, магнитно-резонансная томография сердца) методов исследования.</p> <p><bold>Описание клинического случая. </bold>В статье освещены современные данные об этиологии, генетических аспектах и клинических проявлениях этих заболеваний. Особое внимание уделено смешанной этиологии, при которой взаимодействие генетических мутаций (более 1400 идентифицированных генов, включая гены саркомерных белков) с экзогенными факторами (токсины, воспаление, метаболические нарушения) усложняет патогенез и клиническое течение. Примером такого сочетанного поражения является клинический случай с редкой анатомической аномалией — декстрокардией, при которой сердце расположено в правой половине грудной клетки. Данное сочетание встречается довольно редко в современном мире, поэтому необходимо акцентировать внимание на комплексной диагностике, учитывающей генетические, экологические и коморбидные факторы, а также на междисциплинарном подходе для улучшения прогноза и качества жизни пациентов.</p> <p><bold>Заключение. </bold>Представленный случай подчёркивает важность тщательной диагностики, включая современные методы визуализации (магнитно-резонансная томография), для выявления специфических фенотипов кардиомиопатии (некомпактный миокард левого желудочка) у пациентов с редкими анатомическими аномалиями. Комплексный индивидуальный подход позволяет успешно применять стандартные схемы терапии и добиваться положительных результатов. Показана целесообразность дальнейшего генетического тестирования.</p></trans-abstract><kwd-group xml:lang="en"><kwd>dextrocardia</kwd><kwd>left ventricular noncompaction</kwd><kwd>cardiomyopathy</kwd><kwd>chronic heart failure</kwd><kwd>Wolff–Parkinson–White syndrome</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>декстрокардия</kwd><kwd>некомпактный миокард левого желудочка</kwd><kwd>кардиомиопатия</kwd><kwd>хроническая сердечная недостаточность</kwd><kwd>феномен Вольфа–Паркинсона–Уайта</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Chepurnaya АN. Cardiomyopathy. Risk factors. Modern representation. Clinical Medicine (Russian Journal). 2021;99(9-10):501–508. doi: 10.30629/0023-2149-2021-99-9-10-501-508 EDN: ZIJWTO</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Bokeria lA, Shlyakhto EV, Gabrusenko SA, et al. 2025 Clinical practice guidelines for Hypertrophic cardiomyopathy. 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