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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">medsovet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский Совет</journal-title><trans-title-group xml:lang="en"><trans-title>Meditsinskiy sovet = Medical Council</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-701X</issn><issn pub-type="epub">2658-5790</issn><publisher><publisher-name>REMEDIUM GROUP Ltd.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21518/2079-701X-2021-21-1-156-164</article-id><article-id custom-type="elpub" pub-id-type="custom">medsovet-6612</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>COVID-19</subject></subj-group></article-categories><title-group><article-title>«Долгий ковид» (постковидный синдром). Механизм возникновения, диагностика и реабилитация</article-title><trans-title-group xml:lang="en"><trans-title>“Long covid” (postcovid syndrome). Mechanism of occurrence, diagnosis and rehabilitation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0404-7749</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чой</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Choi</surname><given-names>En. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чой Ен Джун, д.м.н., врач-педиатр, онколог, главный врач</p><p>121099, Москва, ул. Композиторская, д. 17</p></bio><bio xml:lang="en"><p>En D. Choi, Dr. Sci. (Med.), Pediatrician, Oncologist, Chief Physician</p><p>17, Kompozitorskaya St., Moscow, 121099</p></bio><email xlink:type="simple">drchoiworld@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Центр европейской и восточной медицины</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Center for European and Oriental Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>06</day><month>01</month><year>2022</year></pub-date><volume>0</volume><issue>21-1</issue><fpage>156</fpage><lpage>164</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чой Е.Д., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Чой Е.Д.</copyright-holder><copyright-holder xml:lang="en">Choi E.D.</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.med-sovet.pro/jour/article/view/6612">https://www.med-sovet.pro/jour/article/view/6612</self-uri><abstract><sec><title>Введение</title><p>Введение. Статья посвящена изучению механизма возникновения постковидного синдрома, новому лабораторному методу его диагностики и вопросам лекарственной и немедикаментозной реабилитации пациентов, перенесших COVID-19.</p></sec><sec><title>Цель</title><p>Цель. Изучение возможностей применения метода монохромного анализа наночастиц для инструментально-лабораторной диагностики постковидного синдрома и обоснование применения комплексных терапевтических подходов к лечению больных.</p></sec><sec><title>Материалы и  методы</title><p>Материалы и  методы. Методом монохромного анализа наночастиц был исследован биоматериал (слюна) 250  пациентов, перенесших COVID-19 в легкой, средней и тяжелой формах, с незначительным преобладанием лиц мужского пола в возрастном диапазоне от 18 до 75 лет, находившихся в Центре восточной и европейской медицины (Москва) на восстановительном лечении в период с июня 2020 г. по сентябрь 2021 г.</p></sec><sec><title>Результаты</title><p>Результаты. По результатам проведенной работы было установлено, что наиболее типичный спектр слюны больных с диагнозом «постковидный синдром» являлся многомодальным (три и более пика) с наибольшим вкладом (45%) в светорассеяние на агломератах наночастиц с диаметром свыше 1000 нм, с детектируемыми наночастицами среднего поддиапазона спектра от 119 до 122 нм при 15%-ном вкладе в рассеяние света и повышенным вкладом в светорассеяние до 41% на мелких наночастицах диаметром 22 нм. Анализ результатов исследования показал статистически достоверное (р &lt; 0,01) появление пика 119 нм на гистограмме больных, не наблюдаемого ни в группе практически здоровых лиц (контрольная группа), ни в группе пациентов с общесоматической патологией (группа сравнения). Выводы. Был разработан алгоритм неинвазивной диагностики постковидного синдрома по слюне. Также особое внимание в ходе исследования уделялось разработке комплексного подхода к реабилитации пациентов, перенесших новую коронавирусную инфекцию, включающего лекарственные и немедикаментозные методы лечения. &gt;&lt; 0,01) появление пика 119 нм на гистограмме больных, не наблюдаемого ни в группе практически здоровых лиц (контрольная группа), ни в группе пациентов с общесоматической патологией (группа сравнения).</p></sec><sec><title>Выводы</title><p>Выводы. Был разработан алгоритм неинвазивной диагностики постковидного синдрома по слюне. Также особое внимание в ходе исследования уделялось разработке комплексного подхода к реабилитации пациентов, перенесших новую коронавирусную инфекцию, включающего лекарственные и немедикаментозные методы лечения.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The article is devoted to the study of the mechanism of occurrence of postcovid syndrome, a new laboratory method for its diagnosis and issues of drug and non-drug rehabilitation of patients who have suffered COVID-19.</p><p>The purpose of this work was to study the possibilities of using the method of monochrome analysis of nanoparticles for instrumental and laboratory diagnostics of postcovid syndrome and to substantiate the use of complex therapeutic approaches to the treatment of patients.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The biomaterial (saliva) of 250 patients who underwent COVID-19 in mild, moderate and severe forms, with a slight predominance of males, in the age range from 18 to 75 years, who were in the Center of Eastern and European Medicine (Moscow) on rehabilitation treatment in the period from June 2020 to September 2021, was studied by the method of monochrome analysis of nanoparticles. According to the results of the work carried out, it was found that the most typical saliva spectrum of patients diagnosed with “postcovid syndrome” was multimodal (three or more peaks) with the greatest contribution (45%) to light scattering on agglomerates of  nanoparticles with a  diameter of  more than 1000  nm, with detectable nanoparticles of the middle sub-range of the spectrum from 119 to 122 nm with a 15% contribution to light scattering and an increased contribution to light scattering up to 41% on small nanoparticles with a diameter of 22 nm.</p></sec><sec><title>Results</title><p>Results. Analysis of the results of the study showed a statistically significant (p &lt; 0.01) appearance of a peak of 119 nm on the histogram of patients, which was not observed either in the group of practically healthy individuals (control group) or in the group of patients with general somatic pathology (comparison group). Conclusions. An algorithm for non-invasive diagnosis of postcovid syndrome by saliva was developed. Also, special attention was paid during the study to the development of an integrated approach to the rehabilitation of patients who have undergone a new coronavirus infection, including medicinal and non-medicinal methods of treatment. &gt;&lt; 0.01) appearance of a peak of 119 nm on the histogram of patients, which was not observed either in the group of practically healthy individuals (control group) or in the group of patients with general somatic pathology (comparison group).</p></sec><sec><title>Conclusions</title><p>Conclusions. An algorithm for non-invasive diagnosis of postcovid syndrome by saliva was developed. Also, special attention was paid during the study to the development of an integrated approach to the rehabilitation of patients who have undergone a new coronavirus infection, including medicinal and non-medicinal methods of treatment.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>COVID-19</kwd><kwd>постковидный синдром</kwd><kwd>монохромный анализ наночастиц</kwd><kwd>неинвазивная диагностика</kwd><kwd>слюна</kwd><kwd>лечение</kwd><kwd>реабилитация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>COVID-19</kwd><kwd>post-covid syndrome</kwd><kwd>monochrome analysis of nanoparticles</kwd><kwd>non-invasive diagnosis of “long covid”</kwd><kwd>saliva</kwd><kwd>treatment</kwd><kwd>rehabilitation</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">Романов Б.К. Коронавирусная инфекция COVID-2019. 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