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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">cardiotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский журнал клинической и экспериментальной медицины</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian Journal of Clinical and Experimental Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2713-2927</issn><issn pub-type="epub">2713-265X</issn><publisher><publisher-name>TSU publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29001/2073-8552-2026-41-2-103-113</article-id><article-id custom-type="elpub" pub-id-type="custom">cardiotomsk-3176</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>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Гендерные особенности эффективности первичной катетерной аблации фибрилляции предсердий в отдаленном периоде</article-title><trans-title-group xml:lang="en"><trans-title>Gender specifics in the long-term efficacy of primary catheter ablation for atrial fibrillation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8160-7060</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мамарина</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamarina</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мамарина Александра Владиславовна - канд. мед. наук, научный сотрудник, отделение нарушений ритма сердца, научный отдел инструментальных методов исследования, Тюменский кардиологический научный центр – филиал Томского НИМЦ.</p><p>625026, Тюмень, ул. Мельникайте, 111</p></bio><bio xml:lang="en"><p>Aleksandra V. Mamarina - Cand. Sci. (Med.), Research Scientist, Heart Rhythm Disturbances Department, Scientific Division of Instrumental Research Methods; Tyumen Cardiology Research Center, Tomsk NRMC.</p><p>111, Melnikaite str., Tyumen, 625026</p></bio><email xlink:type="simple">aleksandra.mamarina@yandex.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/0000-0003-4472-8821</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гизатулина</surname><given-names>Т. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Gizatulina</surname><given-names>T. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гизатулина Татьяна Прокопьевна - д-р мед. наук, заведующий отделением нарушений ритма сердца, научный отдел инструментальных методов исследования; Тюменский кардиологический научный центр – филиал Томского НИМЦ.</p><p>625026, Тюмень, ул. Мельникайте, 111</p></bio><bio xml:lang="en"><p>Tatiana P. Gizatulina - Dr. Sci. (Med.), Head of Heart Rhythm Disturbances Department, Scientific Division of Instrumental Research Methods; Tyumen Cardiology Research Center, Tomsk NRMC.</p><p>111, Melnikaite str., Tyumen, 625026</p></bio><email xlink:type="simple">GizatulinaTP@infarkta.net</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1365-8202</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Белоногов</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belonogov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Белоногов Денис Владимирович - врач-сердечно-сосудистый хирург, отделение рентгенохирургических методов диагностики и лечения № 2; Тюменский кардиологический научный центр – филиал Томского НИМЦ.</p><p>625026, Тюмень, ул. Мельникайте, 111</p></bio><bio xml:lang="en"><p>Denis V. Belonogov - Interventional Cardiologist, Department of X-ray Surgical Methods for Diagnosis and Treatment of Cardiovascular Diseases No.2; Tyumen Cardiology Research Center, Tomsk NRMC.</p><p>111, Melnikaite str., Tyumen, 625026</p></bio><email xlink:type="simple">BelonogovDV@infarkta.net</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3675-1503</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горбатенко</surname><given-names>Е. A.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorbatenko</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Горбатенко Елена Александровна - младший научный сотрудник, лаборатория инструментальной диагностики, научный отдел инструментальных методов исследования, Тюменский кардиологический научный центр – филиал Томского НИМЦ.</p><p>625026, Тюмень, ул. Мельникайте, 111</p></bio><bio xml:lang="en"><p>Elena A. Gorbatenko - Junior Research Scientist, Laboratory of Instrumental Research Methods, Scientific Division of Instrumental Research Methods; Scientist.</p><p>111, Melnikaite str., Tyumen, 625026</p></bio><email xlink:type="simple">Elena@infarkta.net</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тюменский кардиологический научный центр, Томский национальный исследовательский медицинский центр Российской академии наук (Тюменский кардиологический научный центр, Томский НИМЦ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tyumen Cardiology Research Center, Tomsk National Research Medical Center, Russian Academy of Sciences (Tyumen Cardiology Research Center, Tomsk NRMC)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>09</day><month>07</month><year>2026</year></pub-date><volume>41</volume><issue>2</issue><fpage>103</fpage><lpage>113</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мамарина А.В., Гизатулина Т.П., Белоногов Д.В., Горбатенко Е.A., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Мамарина А.В., Гизатулина Т.П., Белоногов Д.В., Горбатенко Е.A.</copyright-holder><copyright-holder xml:lang="en">Mamarina A.V., Gizatulina T.P., Belonogov D.V., Gorbatenko E.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.sibjcem.ru/jour/article/view/3176">https://www.sibjcem.ru/jour/article/view/3176</self-uri><abstract><p>В настоящее время отсутствуют однозначные сведения о влиянии половой принадлежности на эффективность катетерной аблации (КА) при фибрилляции предсердий (ФП). Недостаточная определенность предикторов отдаленной эффективности КА определяет необходимость дальнейшего анализа гендерных особенностей.</p><sec><title>Цель</title><p>Цель: выявить предикторы отдаленных рецидивов ФП после КА у пациентов мужского и женского пола.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. В проспективное исследование включены 192 пациента с симптомной неклапанной ФП (116 мужчин и 76 женщин, средний возраст – 59,0 ± 6,7 года), преимущественно с пароксизмальной формой ФП (78%). Всем пациентам выполнены клинико-лабораторные исследования, включающие определение уровня биомаркеров NT-proBNP, фактора дифференцировки роста 15 (GDF-15), растворимого фактора подавления онкогенности-2 (sST2), а также трансторакальную и чреспищеводную эхокардиографию с целью исключения тромбоза левого предсердия (ЛП). Всем пациентам проведено электроанатомическое картирование ЛП с оценкой площади низковольтажных зон (НВЗ) ЛП, с последующим выполнением радиочастотной циркулярной изоляции устьев легочных вен. Проспективное наблюдение после оперативного вмешательства осуществлялось через 3, 6, 12, 18 мес. после окончания «слепого» периода длительностью 90 дней.</p></sec><sec><title>Результаты</title><p>Результаты. Медиана наблюдения составила 14,0 (5; 36) мес. Частота поздних рецидивов ФП не различалась между мужчинами и женщинами (35,6 и 32,9% соответственно, p = 0,755). В группе мужчин поздние рецидивы ассоциировались с перенесенным инфарктом миокарда (ИМ) (p = 0,042), уровнем sST2 &gt; 36 нг/мл (p = 0,034) и ранними рецидивами ФП (p &lt; 0,001). У женщин значимыми факторами оказались конечно-диастолический (КДО) (p = 0,001) и конечно-систолический (КСО) объемы левого желудочка (ЛЖ) (p = 0,008), функциональный класс хронической сердечной недостаточности (ХСН) (p = 0,026) и ранние рецидивы ФП (p = 0,024). По данным анализа Каплана – Мейера, на время наступления поздних рецидивов ФП для пациентов обоего пола влияло наличие ранних рецидивов ФП, для женщин – индекс КСО ЛЖ &gt; 16 мл/м2 и площадь НВЗ в ЛП 1&gt; 20%, для мужчин – уровень sST2 &gt; 36 нг/мл.</p></sec><sec><title>Заключение</title><p>Заключение. Результаты исследования продемонстрировали значимые половые различия в предикторах отдаленных рецидивов ФП после проведения первичной КА. Для женщин ключевую роль играют признаки структурного ремоделирования левых отделов сердца (увеличение индексов КСО и КДО ЛЖ, площадь НВЗ в ЛП) и клинические проявления сердечной недостаточности, для мужчин – уровень sST2 выше порогового уровня 36 нг/мл. Общим фактором, влияющим на свободу от рецидивов ФП, являются ранние рецидивы в «слепом» периоде.</p></sec></abstract><trans-abstract xml:lang="en"><p>Currently there is no clear evidence regarding the influence of gender on the effectiveness of catheter ablation (CA) in patients with atrial fibrillation (AF). The insufficient understanding of predictors of long-term CA outcomes necessitates further analysis of gender-specific characteristics.</p><sec><title>Aim</title><p>Aim: To identify predictors of late AF recurrences after CA in male and female patients.</p></sec><sec><title>Material and Methods</title><p>Material and Methods. This prospective study included 192 patients with symptomatic nonvalvular AF (116 men and 76 women; mean age 59.0 ± 6.7 years), predominantly with paroxysmal AF (78%). All patients underwent clinical and laboratory evaluation, including measurement of NT-proBNP, growth differentiation factor-15 (GDF-15), and soluble suppression of tumorigenicity-2 (sST2), as well as transthoracic and transesophageal echocardiography to exclude left atrial (LA) thrombosis. Electroanatomical mapping of the LA was performed in all patients with assessment of the area of low-voltage zones (LVZ), followed by radiofrequency circumferential pulmonary vein isolation. Prospective follow-up after the procedure was conducted at 3, 6, 12, and 18 months after completion of a 90-day blanking period.</p></sec><sec><title>Results</title><p>Results. The median follow-up duration was 14.0 (5; 36) months. The incidence of late AF recurrences did not differ between men and women (35.6% vs. 32.9%, p = 0.755). In men, late recurrences were associated with a history of myocardial infarction (p = 0.042), sST2 levels &gt; 36 ng/mL (p = 0.034), and early AF recurrences (p &lt; 0.001). In women, significant predictors included left ventricular (LV) end-diastolic volume index (p = 0.001), LV end-systolic volume index (p = 0.008), higher functional class of chronic heart failure (p = 0.026), and early AF recurrences (p = 0.024). According to Kaplan–Meier analysis, early AF recurrences were an unfavorable prognostic factor in both sexes; additionally, in women, an LV end-systolic volume index &gt; 16 mL/m² and LA LVZ area &gt; 20% were associated with worse outcomes, whereas in men, sST2 levels &gt; 36 ng/mL were prognostically unfavorable.</p></sec><sec><title>Conclusion</title><p>Conclusion. The study demonstrated significant sex-specific differences in predictors of late AF recurrences after primary CA. In women, markers of structural remodeling of the left heart chambers (increased LV end-systolic and end-diastolic volume indices, larger LA LVZ area) and clinical manifestations of heart failure play. But in men, sST2 levels above the threshold of 36 ng/mL are of primary importance. Early AF recurrences during the blanking period represent a common predictor of reduced freedom from AF in both sexes.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>фибрилляция предсердий</kwd><kwd>отдаленные рецидивы</kwd><kwd>половые различия</kwd><kwd>катетерная аблация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>atrial fibrillation</kwd><kwd>late recurrences</kwd><kwd>gender differences</kwd><kwd>catheter ablation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено в рамках государственного задания ФНИ № AAAA-A18-118041890067-9.</funding-statement><funding-statement xml:lang="en">The study was supported by the Ministry of Education and Science (Project No. AAAA-A18-118041890067-9).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Chugh S.S., Havmoeller R., Narayanan K. et al. 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