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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">Terapevticheskii arkhiv</journal-id><journal-title-group><journal-title xml:lang="en">Terapevticheskii arkhiv</journal-title><trans-title-group xml:lang="ru"><trans-title>Терапевтический архив</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0040-3660</issn><issn publication-format="electronic">2309-5342</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">689943</article-id><article-id pub-id-type="doi">10.26442/00403660.2025.08.203342</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 наблюдения</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">Side effects and ineffectiveness of standard therapy for idiopathic recurrent pericarditis: status of the problem and description of clinical cases. Case report</article-title><trans-title-group xml:lang="ru"><trans-title>Побочные эффекты и неэффективность стандартной терапии идиопатического рецидивирующего перикардита: состояние проблемы и описание клинических случаев</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4570-3258</contrib-id><name-alternatives><name xml:lang="en"><surname>Petrukhina</surname><given-names>Angelina A.</given-names></name><name xml:lang="ru"><surname>Петрухина</surname><given-names>Ангелина Анатольевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>канд. мед. наук, мл. науч. сотр. отд. заболеваний миокарда и сердечной недостаточности</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3483-4698</contrib-id><name-alternatives><name xml:lang="en"><surname>Safiullina</surname><given-names>Alfia А.</given-names></name><name xml:lang="ru"><surname>Сафиуллина</surname><given-names>Альфия Ахатовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д-р мед. наук, ст. науч. сотр. отд. заболеваний миокарда и сердечной недостаточности</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7827-2618</contrib-id><name-alternatives><name xml:lang="en"><surname>Osmolovskaya</surname><given-names>Yulia F.</given-names></name><name xml:lang="ru"><surname>Осмоловская</surname><given-names>Юлия Фаильевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>канд. мед. наук, зав. кардиологическим отд-нием заболеваний миокарда и сердечной недостаточности</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4066-2661</contrib-id><name-alternatives><name xml:lang="en"><surname>Zhirov</surname><given-names>Igor V.</given-names></name><name xml:lang="ru"><surname>Жиров</surname><given-names>Игорь Витальевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д-р мед. наук, вед. науч. сотр. отд. заболеваний миокарда и сердечной недостаточности; проф. каф. кардиологии</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8377-2388</contrib-id><name-alternatives><name xml:lang="en"><surname>Stukalova</surname><given-names>Olga V.</given-names></name><name xml:lang="ru"><surname>Стукалова</surname><given-names>Ольга Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д-р мед. наук, ст. науч. сотр. лаб. магнитно-резонансной томографии</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8878-7340</contrib-id><name-alternatives><name xml:lang="en"><surname>Shitov</surname><given-names>Victor N.</given-names></name><name xml:lang="ru"><surname>Шитов</surname><given-names>Виктор Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>мл. науч. сотр. отд. ультразвуковой диагностики</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9234-6129</contrib-id><name-alternatives><name xml:lang="en"><surname>Tereshchenko</surname><given-names>Sergey N.</given-names></name><name xml:lang="ru"><surname>Терещенко</surname><given-names>Сергей Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д-р мед. наук, проф., рук. отд. заболеваний миокарда и сердечной недостаточности; зав. каф. кардиологии</p></bio><email>a_safiulina@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Chazov National Medical Research Center of Cardiology</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр кардиологии им. акад. Е.И. Чазова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Russian Medical Academy of Continuous Professional Education</institution></aff><aff><institution xml:lang="ru">Российская медицинская академия непрерывного профессионального образования</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-08-28" publication-format="electronic"><day>28</day><month>08</month><year>2025</year></pub-date><volume>97</volume><issue>8</issue><issue-title xml:lang="en">Treatment issues</issue-title><issue-title xml:lang="ru">Вопросы лечения</issue-title><fpage>719</fpage><lpage>726</lpage><history><date date-type="received" iso-8601-date="2025-08-28"><day>28</day><month>08</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-08-28"><day>28</day><month>08</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</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-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ter-arkhiv.ru/0040-3660/article/view/689943">https://ter-arkhiv.ru/0040-3660/article/view/689943</self-uri><abstract xml:lang="en"><p>Idiopathic recurrent pericarditis is a rare pathology characterised by recurrent inflammation in the cardiac cavity. Treatment of recurrent pericarditis is empirical and based on the use of drugs with anti-inflammatory properties. First-line drugs are non-steroidal anti-inflammatory drugs and colchicine, second-line drugs are glucocorticosteroids. This is associated with the development of undesirable side effects, which makes it impossible to continue therapy in a number of patients. This article presents two clinical cases, describes the course of the disease and the development of complications at different stages. This article demonstrates the complexity of selecting the optimal therapy in real clinical practice.</p></abstract><trans-abstract xml:lang="ru"><p>Идиопатический рецидивирующий перикардит – редкая патология, характеризующаяся рецидивирующим воспалением в полости сердечной сорочки. Лечение рецидивирующего перикардита – эмпирическое, и оно основано на применении препаратов с противовоспалительными свойствами. Препаратами 1-й линии терапии являются нестероидные противовоспалительные препараты и колхицин, 2-й линии – глюкокортикостероиды. Однако их применение сопряжено с развитием нежелательных побочных явлений, что делает невозможным продолжение терапии у ряда пациентов. В статье представлены 2 клинических случая, описывается течение заболевания и развитие осложнений на разных его этапах. Демонстрируется сложность подбора оптимальной терапии в реальной клинической практике.</p></trans-abstract><kwd-group xml:lang="en"><kwd>idiopathic recurrent pericarditis</kwd><kwd>pericarditis</kwd><kwd>non-steroidal anti-inflammatory drug</kwd><kwd>glucocorticosteroid</kwd><kwd>pericardial effusion</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>идиопатический рецидивирующий перикардит</kwd><kwd>перикардит</kwd><kwd>нестероидный противовоспалительный препарат</kwd><kwd>глюкокортикостероид</kwd><kwd>выпот в полости перикарда</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The paper was prepared with the financial support of the company R-Pharm</funding-statement><funding-statement xml:lang="ru">Материал подготовлен при финансовой поддержке компании «Р-фарм»</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Brucato A, Imazio M, Cremer PC, et al. Recurrent pericarditis: Still idiopathic? 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