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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">Kazan medical journal</journal-id><journal-title-group><journal-title xml:lang="en">Kazan medical journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Казанский медицинский журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0368-4814</issn><issn publication-format="electronic">2587-9359</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">43119</article-id><article-id pub-id-type="doi">10.17816/KMJ2020-749</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Clinical experiences</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Обмен клиническим опытом</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">Risk of long QT syndrome in novel coronavirus COVID-19</article-title><trans-title-group xml:lang="ru"><trans-title>Риск развития синдрома удлинённого интервала QT при новой коронавирусной инфекции COVID-19</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Oslopov</surname><given-names>V N</given-names></name><name xml:lang="ru"><surname>Ослопов</surname><given-names>Владимир Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kostya_s99@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Oslopova</surname><given-names>J V</given-names></name><name xml:lang="ru"><surname>Ослопова</surname><given-names>Юлия Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kostya_s99@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Hazova</surname><given-names>E V</given-names></name><name xml:lang="ru"><surname>Хазова</surname><given-names>Елена Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kostya_s99@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sergienko</surname><given-names>K S</given-names></name><name xml:lang="ru"><surname>Сергиенко</surname><given-names>Константин Станиславович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kostya_s99@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Murzakhanova</surname><given-names>A F</given-names></name><name xml:lang="ru"><surname>Мурзаханова</surname><given-names>Аделя Фанисовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kostya_s99@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Boichuk</surname><given-names>J M</given-names></name><name xml:lang="ru"><surname>Бойчук</surname><given-names>Юлия Михайловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kostya_s99@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kazan State Medical University</institution></aff><aff><institution xml:lang="ru">Казанский государственный медицинский университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Kazan (Volga Region) Federal University</institution></aff><aff><institution xml:lang="ru">Казанский (Приволжский) федеральный университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-10-27" publication-format="electronic"><day>27</day><month>10</month><year>2020</year></pub-date><volume>101</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>749</fpage><lpage>753</lpage><history><date date-type="received" iso-8601-date="2020-08-25"><day>25</day><month>08</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-09-25"><day>25</day><month>09</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Oslopov V.N., Oslopova J.V., Hazova E.V., Sergienko K.S., Murzakhanova A.F., Boichuk J.M.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Ослопов В.Н., Ослопова Ю.В., Хазова Е.В., Сергиенко К.С., Мурзаханова А.Ф., Бойчук Ю.М.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Oslopov V.N., Oslopova J.V., Hazova E.V., Sergienko K.S., Murzakhanova A.F., Boichuk J.M.</copyright-holder><copyright-holder xml:lang="ru">Ослопов В.Н., Ослопова Ю.В., Хазова Е.В., Сергиенко К.С., Мурзаханова А.Ф., Бойчук Ю.М.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2023-10-27"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://kazanmedjournal.ru/kazanmedj/article/view/43119">https://kazanmedjournal.ru/kazanmedj/article/view/43119</self-uri><abstract xml:lang="en"><p>The article is devoted to the risk of cardiovascular disease in coronavirus infection. In March 2020, the World Health Organization announced the COVID-19 pandemic. The virus set many tasks for practicing doctors, inclu­ding the study of its pathogenesis and the creation of a therapy suitable for all patient groups. This paper presents information about cellular entry of the coronavirus, the development of cardiovascular diseases, in particular, the heart, and the latest data on experimental therapy with hydroxychloroquine. Coronavirus has been shown to affect the synthesis of angiotensin 2, which increase the QT interval. At the same time, the combination therapy ­using chloroquine and azithromycin caused a critical prolongation of the QT interval in some cases. On 4 July 2020, WHO accepted the Solidarity Trial’s International Steering Committee recommendation has stop the trial of these drugs. Cardiologists should review the latest information on the effects of coronavirus on the cardiovascular system and based on this, make recommendations the management and treatment of severe patients.</p></abstract><trans-abstract xml:lang="ru"><p>Статья посвящена риску развития поражений со стороны сердечно-сосудистой системы при коронавирусной инфекции. В марте 2020 г. Всемирная организация здравоохранения объявила пандемию COVID-19. Вирус поставил перед практикующими врачами массу задач, среди которых исследование его патогенеза и создание терапии, подходящей всем группам пациентов. В статье представлены сведения о попадании коронавируса в клетку, развитии поражений со стороны сердечно-сосудистой системы, в частности сердца, и последние данные об экспериментальной терапии гидроксихлорохином. Было показано, что COVID-19 влияет на синтез ангиотензина-2, увеличивая интервал QT. Вместе с тем комбинированное применение хлорохина вместе с азитромицином вызывало критическое удлинение интервала QT у некоторых пациентов. Уже 4 июля 2020 г. Всемирная организация здравоохранения в связи с рекомендациями Международного руководящего комитета клинического исследования «Solidarity» остановила испытания данных препаратов. Именно кардиологам предстоит не только проанализировать будущие результаты исследований о влиянии коронавируса на сердечно-сосудистую систему, но и составить на основе этого рекомендации по ведению и лечению тяжёлых пациентов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>COVID-19</kwd><kwd>QT interval</kwd><kwd>hydroxychloroquine</kwd><kwd>angiotensin</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>COVID-19</kwd><kwd>интервал QT</kwd><kwd>гидроксихлорохин</kwd><kwd>ангиотензин</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Stokes E.K., Zambrano L.D., Anderson K.N. et al. Coronavirus disease 2019 case surveillance — United States, January 22 — May 30, 2020. MMWR Morb. Mortal. Wkly. Rep. 2020; 69; 759–765. DOI: 10.15585/mmwr.mm6924e2.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Kuba K., Imai Y., Rao S. et al. 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