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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">rpcardio</journal-id><journal-title-group><journal-title xml:lang="en">Rational Pharmacotherapy in Cardiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Рациональная Фармакотерапия в Кардиологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1819-6446</issn><issn pub-type="epub">2225-3653</issn><publisher><publisher-name>«SILICEA-POLIGRAF» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20996/1819-6446-2024-3015</article-id><article-id custom-type="edn" pub-id-type="custom">TCJSGR</article-id><article-id custom-type="elpub" pub-id-type="custom">rpcardio-3015</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="en"><subject>POINT OF VIEW</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТОЧКА ЗРЕНИЯ</subject></subj-group></article-categories><title-group><article-title>Risk factors of ventricular arrhythmias in non-syndromic mitral valve prolapse</article-title><trans-title-group xml:lang="ru"><trans-title>Факторы риска развития желудочковых аритмий при несиндромном пролапсе митрального клапана</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4168-7219</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трисветова</surname><given-names>Е. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Trisvetova</surname><given-names>E. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трисветова Евгения Леонидовна</p><p>Минск</p></bio><bio xml:lang="en"><p>Eugenia L. Trisvetova</p><p>Minsk</p></bio><email xlink:type="simple">trisvet-47@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный медицинский университет</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarusian State Medical University</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>24</day><month>05</month><year>2024</year></pub-date><volume>20</volume><issue>2</issue><fpage>249</fpage><lpage>257</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Trisvetova E.L., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Трисветова Е.Л.</copyright-holder><copyright-holder xml:lang="en">Trisvetova E.L.</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.rpcardio.online/jour/article/view/3015">https://www.rpcardio.online/jour/article/view/3015</self-uri><abstract><p>Non-syndromic mitral valve prolapse (MVP) is a common disease. In most cases, its benign course is noted, however, a connection between MVP and ventricular arrhythmias is reported, as well as sudden cardiac death. Clinical signs (chest pain, syncope/lipotymia, mid-systolic click), results of instrumental studies (electrocardiographic, echocardiographic, magnetic resonance imaging) allow us to identify known ("old") risk factors and new phenomena encountered in rhythm and conduction disturbances during MVP. Signs of "arrhythmic" MVP, often detected in young women, include prolapse of thickened both mitral valve leaflets, T wave inversion in the inferior basal leads on the electrocardiogram, annulus fibrosus disjunction, fibrosis of the papillary muscles and myocardium in the inferior basal wall of the left ventricle, determined by magnetic resonance imaging. resonance tomography and myocardial biopsies. In 2022, the European Heart Rhythm Association Expert Consensus presented risk stratification and treatment principles for patients with arrhythmic MVP, identifying low, intermediate and high-risk groups, and in 2024, the first meta-analysis of studies was performed to identify prognostic risk factors of arrhythmic MVP. The most significant predictors of arrhythmias included late gadolinium enhancement on magnetic resonance imaging, T-wave inversion on the electrocardiogram, prolapse of both mitral valve leaflets, and mitral annulus disjunction. When choosing treatment for patients with arrhythmic MVP, clinical characteristics are taken into account and a personalized approach is used to prevent sudden cardiac death and severe ventricular arrhythmias. As a rule, to prevent sudden cardiac death in patients with arrhythmic MVP, four treatment options are considered: medications (beta-blockers or non-dihydropyridine slow calcium channel blockers, a combination of a beta-blocker and flecainide, or amiodarone), radiofrequency ablation, surgical treatment of the mitral valve, implantable cardioverter — defibrillator (for primary or secondary prevention of sudden cardiac death).</p><p>The rationale for surgical, electrophysiological, and/or therapeutic treatments depends on the specific rhythm disorder.</p></abstract><trans-abstract xml:lang="ru"><p>Несиндромный пролапс митрального клапана (ПМК) относится к распространенным в популяции заболеваниям. В большинстве случаев отмечают его доброкачественное течение, вместе с тем исследователи сообщают о связи между ПМК и желудочковыми аритмиями, а также внезапной сердечной смерти (ВСС). Клинические признаки (боль в грудной клетке, синкопе/липотимия, среднесистолический щелчок), результаты инструментальных исследований (электрокардиографического, эхокардиографического, магнитно-р езонансной томографии [МРТ]) позволяют выявить известные ("старые") факторы риска и новые феномены, встречающиеся при нарушениях ритма и проводимости при ПМК. К признакам "аритмического" ПМК, часто выявляемых у женщин молодого возраста, относятся пролабирование утолщенных обеих створок митрального клапана, инверсия зубца Т в нижнебазальных отведениях на электрокардиограмме (ЭКГ), дизъюнкция митрального кольца, фиброз папиллярных мышц и миокарда в нижнебазальной стенке левого желудочка, определяемый при МРТ и в биоптатах миокарда. В 2022 г. консенсусом экспертов European Heart Rhythm Association представлена стратификация риска и принципы лечения пациентов с аритмическим ПМК, выделены группы низкого, промежуточного и высокого риска, а в 2024 г. выполнен первый мета-анализ исследований с целью выявления прогностических факторов риска аритмического ПМК. К наиболее значимым относятся позднее накопление гадолиния при МРТ, инверсия зубца Т на ЭКГ, пролабирование обеих створок митрального клапана и дизъюнкция митрального кольца. При выборе лечения пациентов с аритмическим ПМК учитывают клинические характеристики и применяют персонифицированный подход с целью предупреждения ВСС и тяжелых желудочковых аритмий. Как правило, для профилактики ВСС у пациентов с аритмическим ПМК рассматривают четыре направления лечебной тактики: медикаментозное лечение (бета- адреноблокаторы или недигидропиридиновые блокаторы медленных кальциевых каналов, комбинацию бета-адреноблокатора и флекаинида, или амиодарон), радиочастотная аблация, хирургическое лечение митрального клапана, имплантация кардиовертера- дефибриллятора (для первичной или вторичной профилактики ВСС). Обоснование хирургических, электрофизиологических и/или терапевтических методов лечения зависит от конкретных нарушений ритма.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пролапс митрального клапана</kwd><kwd>желудочковые аритмии</kwd><kwd>факторы риска</kwd><kwd>диагностика</kwd><kwd>лечение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mitral valve prolapse</kwd><kwd>ventricular arrhythmias</kwd><kwd>risk factors</kwd><kwd>diagnosis</kwd><kwd>treatment</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">Freed LA, Levy D, Levine RA, et al. Prevalence and clinical outcome of mitral-valve prolapse. N Engl J Med. 1999;341(1):1-7. DOI:10.1056/NEJM199907013410101.</mixed-citation><mixed-citation xml:lang="en">Freed LA, Levy D, Levine RA, et al. Prevalence and clinical outcome of mitral-valve prolapse. N Engl J Med. 1999;341(1):1-7. 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