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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Oncohematology</journal-id><journal-title-group><journal-title xml:lang="en">Oncohematology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкогематология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1818-8346</issn><issn publication-format="electronic">2413-4023</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">566</article-id><article-id pub-id-type="doi">10.17650/1818-8346-2022-17-3-119-126</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>TREATMENT OF HEMATOLOGICAL MALIGNANCIES IN PATIENTS WITH COVID-19</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ЛЕЧЕНИЕ ЗЛОКАЧЕСТВЕННЫХ ЗАБОЛЕВАНИЙ СИСТЕМЫ КРОВИ У ПАЦИЕНТОВ С COVID-19</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">COVID-19 infection in patients with chronic myeloid leukemia in the Orenburg region during the SARS-CoV-2 pandemic</article-title><trans-title-group xml:lang="ru"><trans-title>Инфекция COVID-19 у пациентов с хроническим миелолейкозом в Оренбургской области в период пандемии SARS-CoV-2</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2063-8859</contrib-id><name-alternatives><name xml:lang="en"><surname>Kuchma</surname><given-names>G. B.</given-names></name><name xml:lang="ru"><surname>Кучма</surname><given-names>Г. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Galina B. Kuchma.</p><p>6 Sovetskaya St., Orenburg 460000.</p></bio><bio xml:lang="ru"><p>Кучма Галина Борисовна.</p><p>460000 Оренбург, ул. Советская, 6.</p></bio><email>kuchma1v@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1032-0361</contrib-id><name-alternatives><name xml:lang="en"><surname>Yakubova</surname><given-names>U. A.</given-names></name><name xml:lang="ru"><surname>Якубова</surname><given-names>У. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>6 Sovetskaya St., Orenburg 460000.</p></bio><bio xml:lang="ru"><p>460000 Оренбург, ул. Советская, 6.</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4313-065X</contrib-id><name-alternatives><name xml:lang="en"><surname>Kozlova</surname><given-names>L. K.</given-names></name><name xml:lang="ru"><surname>Козлова</surname><given-names>Л. К.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>6 Sovetskaya St., Orenburg 460000.</p></bio><bio xml:lang="ru"><p>460000 Оренбург, ул. Советская, 6.</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8237-2518</contrib-id><name-alternatives><name xml:lang="en"><surname>Lebedenko</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Лебеденко</surname><given-names>С. A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Aksakova St., Orenburg 460018.</p></bio><bio xml:lang="ru"><p>460018 Оренбург, ул. Аксакова, 23.</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1254-2192</contrib-id><name-alternatives><name xml:lang="en"><surname>Sayfutdinov</surname><given-names>F. R.</given-names></name><name xml:lang="ru"><surname>Сайфутдинов</surname><given-names>Ф. Р.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>6 Sovetskaya St., Orenburg 460000.</p></bio><bio xml:lang="ru"><p>460000 Оренбург, ул. Советская, 6.</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Orenburg State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">Оренбургский государственный медицинский университет Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Orenburg Regional Clinical Hospital</institution></aff><aff><institution xml:lang="ru">Оренбургская областная клиническая больница</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-07-20" publication-format="electronic"><day>20</day><month>07</month><year>2022</year></pub-date><volume>17</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>119</fpage><lpage>126</lpage><history><date date-type="received" iso-8601-date="2022-07-20"><day>20</day><month>07</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-07-20"><day>20</day><month>07</month><year>2022</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://oncohematology.abvpress.ru/ongm/article/view/566">https://oncohematology.abvpress.ru/ongm/article/view/566</self-uri><abstract xml:lang="en"><p><bold>Background</bold>. Oncohematological patients are more predispose to SARS-CoV-2 infection than healthy individuals and patients with malignant neoplasms, and also they have a worse prognosis, which is because of immune system disorders, both due to the underlying disease and as a result of immunosuppressive therapy. There is limited data regarding the impact of SARS-CoV-2 infection on the survival of patients with chronic myeloid leukemia (CML).</p><p><bold>Aim</bold>. To evaluate the course and outcome of COVID-19 in patients with CML in the Orenburg region during the SARS-CoV-2 pandemic.</p><p><bold>Materials and methods</bold>. All 166 patients with CML over 18 years of age were analyzed during the COVID-19 pandemic between february 2020 and December 2021. The source of information was data from the personalized register of patients with CML and the unified state health information system.</p><p><bold>Results</bold>. The proportion of SARS-CoV-2 infection among patients with CML was 36 %. The risk of infection was not affected by age, gender, work features, place of residence, phase or duration of the disease, and therapy. underwent COVID-19 patients were 1.6 times more likely to be overweight and 2 times more likely to have a second cancer. A significant increase in the number of outpatient visits to polyclinics and number of hospital admissions during the pandemic was revealed in the group of patients who had SARS-CoV-2 infection. underwent COVID-19 patients were over 60 years of age in 48.3 % of cases and had one or more comorbidities in 77.6 % cases. SARS-CoV-2-infected patients with CML had a favorable outcome: a mild course of infection in 75.9 % of cases and a low mortality rate - 6.8 % (4 of 58 patients) were observed. COVID-19 was recognized as the cause of death in only 2 patients with optimal molecular response and comorbidity. In two other patients who underwent COVID-19, the progression of CML to a blast crisis was recognized as the cause of death. There were no significant differences in mortality level in the group of patients who had SARS-CoV-2 infection and those who did not have COVID-19.</p><p><bold>Conclusion</bold>. patients with CML living in the Orenburg region have a low susceptibility to SARS-CoV-2 infection and a mild course of the disease. The mortality rate for CML patients infected with SARS-CoV-2 was 6.8 %. unfavorable factors in the overall survival of patients with CML infected with SARS-CoV-2 were high comorbidity and blast crisis. Reducing the number of outpatient visits during the pandemic and using remote medical consultations is likely to reduce the risk of SARS-CoV-2 infection.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение</bold>. Онкогематологические больные более подвержены заражению SARS-CoV-2, чем здоровые лица и пациенты со злокачественными новообразованиями, и имеют худший прогноз вследствие нарушения в иммунной системе, обусловленного как самим заболеванием, так и проводимой иммуносупрессивной терапией. Влияние инфекции SARS-CoV-2 на выживаемость пациентов с хроническим миелолейкозом (ХМЛ) мало изучено.</p><p><bold>Цель исследования</bold> - оценить особенности течения и исход COVID-19 у больных ХМЛ в Оренбургской области в период пандемии SARS-CoV-2.</p><p><bold>Материалы и методы</bold>. Проведен анализ данных 166 пациентов старше 18 лет, состоящих на учете с диагнозом ХМЛ, во время пандемии COVID-19 с февраля 2020 г. по декабрь 2021 г. Информационным источником служили данные из персонифицированного регистра пациентов с ХМЛ и единой государственной информационной системы в сфере здравоохранения.</p><p><bold>Результаты</bold>. доля заражения вирусом SARS-CoV-2 среди больных ХМЛ составила 36 %. На риск заражения не оказывали влияния возраст, пол, особенности работы, место проживания, фаза заболевания, длительность болезни и проводимая терапия. пациенты, перенесшие COVID-19, в 1,6 раза чаще имели избыточную массу тела и в 2 раза чаще - второе злокачественное новообразование. Выявлено достоверное увеличение числа амбулаторных посещений поликлиник и стационарного лечения в период пандемии в группе больных, инфицированных SARS-CoV-2. пациенты, перенесшие COVID-19, в 48,3 % случаев были старше 60 лет и в 77,6 % - имели 1 и более коморбидное состояние. при заражении SARS-CoV-2 пациенты имели благоприятный исход: легкое течение инфекции отмечалось в 75,9 % случаев; уровень смертности составил 6,8 % (4 из 58 пациентов). Только у 2 больных с оптимальным ответом ХМЛ и коморбидностью причиной летального исхода был признан COVID-19, у 2 - прогрессия ХМЛ до бластного криза. Не получено достоверных различий по уровню летальности в группах больных, перенесших инфекцию SARS-CoV-2, и не болевших COVID-19.</p><p><bold>Заключение</bold>. пациенты с ХМЛ, проживающие на территории Оренбургской области, имеют низкую восприимчивость к инфекции SARS-CoV-2 и легкое течение заболевания. уровень смертности пациентов с ХМЛ, инфицированных SARS-CoV-2, составил 6,8 %. Неблагоприятными факторами низкой общей выживаемости больных ХМЛ, инфицированных SARS-CoV-2, являлись высокая коморбидность и бластный криз. уменьшение количества амбулаторных визитов в период пандемии с переводом на дистанционное консультирование может привести к снижению риска инфицирования SARS-CoV-2.</p></trans-abstract><kwd-group xml:lang="en"><kwd>chronic myeloid leukemia</kwd><kwd>tyrosine kinase inhibitor</kwd><kwd>COVID-19</kwd><kwd>mortality</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>хронический миелолейкоз</kwd><kwd>ингибитор тирозинкиназы</kwd><kwd>COVID-19</kwd><kwd>летальность</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Clinical recommendations “Chronic myeloid leukemia”. All-Russian National Union “Association of Oncologists of Russia”, 2020. 87 p. 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