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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">rsp</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-практическая ревматология</journal-title><trans-title-group xml:lang="en"><trans-title>Rheumatology Science and Practice</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1995-4484</issn><issn pub-type="epub">1995-4492</issn><publisher><publisher-name>IMA-PRESS, LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47360/1995-4484-2020-456-462</article-id><article-id custom-type="elpub" pub-id-type="custom">rsp-2937</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 НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL OBSERVATIONS</subject></subj-group></article-categories><title-group><article-title>COVID-19 у пациентки с АНЦА-ассоциированным системным васкулитом, получавшей анти-В-клеточную терапию ритуксимабом</article-title><trans-title-group xml:lang="en"><trans-title>Covid-19 in a patient with ANCA-associated systemic vasculitis, receiving anti-B cell therapy (rituximab)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2641-9785</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бекетова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Beketova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34А</p></bio><bio xml:lang="en"><p>34A, Kashirskoe Shosse, Moscow, 115522</p></bio><email xlink:type="simple">tvbek@rambler.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/0000-0002-4503-7750</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бланк</surname><given-names>Л. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Blank</surname><given-names>L. M.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6068-3080</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лила</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Lila</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34А </p><p>125993, Москва, Баррикадная ул., дом 2/1, строение 1</p></bio><bio xml:lang="en"><p>34A, Kashirskoe Shosse, Moscow, 115522 </p><p>2/1 Barrikadnaya St., Build 1, Moscow, 125993</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБНУ «Научно-исследовательский институт ревматологии имени В.А. Насоновой»<country>Россия</country></aff><aff xml:lang="en">VA Nasonova Research Institute of Rheumatology<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ФГБНУ «Научно-исследовательский институт ревматологии имени В.А. Насоновой»; &#13;
ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России<country>Россия</country></aff><aff xml:lang="en">VA Nasonova Research Institute of Rheumatology; &#13;
Russian Medical Academy of Continuing Prefessional Education, Ministry of Health of Russia<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>04</day><month>09</month><year>2020</year></pub-date><volume>58</volume><issue>4</issue><fpage>456</fpage><lpage>462</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бекетова Т.В., Бланк Л.М., Лила А.М., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Бекетова Т.В., Бланк Л.М., Лила А.М.</copyright-holder><copyright-holder xml:lang="en">Beketova T.V., Blank L.M., Lila A.M.</copyright-holder><license 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://rsp.mediar-press.net/rsp/article/view/2937">https://rsp.mediar-press.net/rsp/article/view/2937</self-uri><abstract><p>Несмотря на большое число публикаций, посвященных коронавирусной болезни 2019 (coronavirus disease – 2019; СOVID-19), в настоящее время представления о проблеме находятся лишь на этапе становления. Представлено клиническое наблюдение COVID-19 у пациентки с ремиссией АНЦА-СВ, получавшейлечение анти-В-клеточным препаратом ритуксимаб (РТМ). Через месяц после введения РТМ диагностирована инфекция COVID-19 с двусторонней пневмонией средней степени тяжести, лихорадкой и внелегочными проявлениями, включая поражение желудочно-кишечного тракта и центральной нервной системы. Обсуждаются немногочисленные сведения о применении РТМ в период пандемии COVID-19 и вопросы влияния деплеции В-клеток на течение и исходы COVID-19. Собственное наблюдение и доступные данные литературы не дают оснований относить лечение РТМ к факторам риска тяжелого течения и неблагоприятного исхода COVID-19. Исключительно важным является дальнейший анализ случаев COVID-19 у пациентов с АНЦА-СВ и другими иммуновоспалительными ревматическими заболеваниями. </p></abstract><trans-abstract xml:lang="en"><p>Despite numerous publications on COVID-19, at present, conceptual thinking of the problem is only at a nascence stage. Treatment of patients with ANCA-associated systemic vasculitis (AAV) during the COVID-19 pandemic is one of the relevant issues. Management of COVID-19 in AAV patients undergoing anti-B cell therapy with rituximab (RTM) requires comprehensive reasoning. This paper presents a case report about COVID-19 in a 59-year-old female with AAV in remission, who was previously treated with RTM. COVID-19 was diagnosed one month after the last RTM administration; there were moderate bilateral pneumonia, fever, and extrapulmonary manifestations, including lesions of the gastrointestinal tract and central nervous system. Clinical outcome of COVID-19 was favorable, with no signs of respiratory failure, and CRP values did not exceed 29 mg/l. We discuss published data on RTM use during COVID-19 pandemic and the effects of B cells and their depletion on the course and outcomes of COVID-19. Our case report and available published data do not allow to consider RTM therapy as a factor associated with severe course of COVID-19 and adverse outcome. Further analysis of COVID-19 in patients with AAV and other rheumatic diseases is important. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>COVID-19</kwd><kwd>ритуксимаб</kwd><kwd>В-клетки</kwd><kwd>АНЦА</kwd><kwd>системный васкулит</kwd></kwd-group><kwd-group xml:lang="en"><kwd>COVID-19</kwd><kwd>rituximab</kwd><kwd>B cells</kwd><kwd>ANCA</kwd><kwd>vasculitis</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">Shi H, Han X, Jiang N, Cao Y, Alwalid O, Gu J, Fan Y, Zheng C. Radiological findings from 81 patients with COVID-19 pneumonia in Wuhan, China: a descriptive study. 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