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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">kaspmed</journal-id><journal-title-group><journal-title xml:lang="ru">Прикаспийский вестник медицины и фармации</journal-title><trans-title-group xml:lang="en"><trans-title>Title</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2712-8164</issn><publisher><publisher-name>ФГБОУ ВО Астраханский ГМУ Минздрава России</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17021/2712-8164-2024-3-28-33</article-id><article-id custom-type="elpub" pub-id-type="custom">kaspmed-34</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Длительная персистенция SARS-CoV-2 у пациента с инфекционным эндокардитом и COVID-19: клинический случай</article-title><trans-title-group xml:lang="en"><trans-title>Longterm persistence of SARS-CoV-2 in a patient with infectious endocarditis and COVID-19: a clinical case</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Твердохлебова</surname><given-names>Д. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Tverdokhlebova</surname><given-names>D. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Диана Камильевна Твердохлебова – врач клинической лабораторной диагностики</p><p>Астрахань</p></bio><bio xml:lang="en"><p>Diana K. Tverdokhlebova – Doctor of the Clinical Laboratory Diagnostics </p><p>Astrakhan</p></bio><email xlink:type="simple">tverdiana@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Владимировна Петрова – доктор медицинских наук, заведующая клинико-диагностической лаборатории</p><p>Астрахань</p></bio><bio xml:lang="en"><p>Ol’ga V. Petrova – Dr. Sci. (Med.), Head of the Laboratory</p><p>Astrakhan</p></bio><email xlink:type="simple">students_asma@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Литвинова</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Litvinova</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Николаевна Литвинова – врач-бактериолог</p><p>Астрахань</p></bio><bio xml:lang="en"><p>Irina N. Litvinova – Bacteriologist</p><p>Astrakhan</p></bio><email xlink:type="simple">fcssh@astra-cardio.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смельцова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Smel’tsova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатерина Вячеславовна Смельцова – медицинский технолог</p><p>Астрахань</p></bio><bio xml:lang="en"><p>Ekaterina V. Smel’tsova – Medical Technologist</p><p>Astrakhan</p></bio><email xlink:type="simple">fcssh@astra-cardio.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курашенко</surname><given-names>О. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurashenko</surname><given-names>O. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Олеговна Курашенко – медицинский технолог</p><p>Астрахань</p></bio><bio xml:lang="en"><p>Ol’ga O. Kurashenko – Medical Technologist </p><p>Astrakhan</p></bio><email xlink:type="simple">fcssh@astra-cardio.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный центр сердечно-сосудистой хирургии</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Center of Cardiovascular Surgery</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>12</day><month>03</month><year>2025</year></pub-date><volume>5</volume><issue>3</issue><fpage>28</fpage><lpage>33</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Твердохлебова Д.К., Петрова О.В., Литвинова И.Н., Смельцова Е.В., Курашенко О.О., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Твердохлебова Д.К., Петрова О.В., Литвинова И.Н., Смельцова Е.В., Курашенко О.О.</copyright-holder><copyright-holder xml:lang="en">Tverdokhlebova D.K., Petrova O.V., Litvinova I.N., Smel’tsova E.V., Kurashenko O.O.</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.kaspmed.ru/jour/article/view/34">https://www.kaspmed.ru/jour/article/view/34</self-uri><abstract><p>В литературе нет данных о сроках персистенции вируса в организме у иммунокомпроментированных пациентов. Цель – представить случай длительной персистенции SARS-CoV-2 у пациента с инфекционным эндокардитом. Проведен ретроспективный анализ результатов ПЦР-исследований на COVID-19 у пациента с диагнозом «Первичный инфекционный эндокардит и COVID-19». Несмотря на проводимую терапию, персистенция вируса у пациента составила 35 дней. Она была обусловлена инфекционным эндокардитом – заболеванием, которое сопровождается изменением реактивности организма и иммунного ответа. COVID-19 повлиял на течение послеоперационного периода. </p></abstract><trans-abstract xml:lang="en"><p>The literature contains isolated data on long-term persistence of the virus in the body in immunocompromised patients. The aim – to present a case of long-term persistence of SARS-CoV-2 in a patient with infective endocarditis. We retrospectively analysed the results of PCR assays for COVID-19 in a patient diagnosed with primary infective endocarditis and COVID-19. Despite the given therapy, the persistence of the virus in the patient amounted to 35 days. It was caused by infective endocarditis, a disease accompanied by changes in the organism's reactivity and immune response. COVID-19 affected the course of the postoperative period. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>новая коронавирусная инфекция</kwd><kwd>инфекционный эндокардит</kwd><kwd>полимеразная цепная реакция</kwd><kwd>вирус</kwd><kwd>персистенция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>New coronavirus infection</kwd><kwd>infective endocarditis</kwd><kwd>polymerase chain reaction</kwd><kwd>virus</kwd><kwd>persistence</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">Li Y., Ji D., Cai W., Hu Y., Bai Y., Wu J., Xu J. 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