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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">Perm Medical Journal</journal-id><journal-title-group><journal-title xml:lang="en">Perm Medical Journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Пермский медицинский журнал (сетевое издание "Perm medical journal")</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0136-1449</issn><issn publication-format="electronic">2687-1408</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">119651</article-id><article-id pub-id-type="doi">10.17816/pmj40134-40</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original studies</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</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">Clinical and laboratory phenotype of postcovid asthenic syndrome in children of primary school age</article-title><trans-title-group xml:lang="ru"><trans-title>Клинико-лабораторный фенотип постковидного астенического синдрома у детей младшего школьного возраста</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="spin">8758-3285</contrib-id><name-alternatives><name xml:lang="en"><surname>Vinogradov</surname><given-names>Eugene I.</given-names></name><name xml:lang="ru"><surname>Виноградов</surname><given-names>Евгений Игоревич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>post-graduate student, Department of Neurology and Medical Genetics</p></bio><bio xml:lang="ru"><p>аспирант кафедры неврологии и медицинской генетики</p></bio><email>evgenyi.228@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">E.A. Vagner Perm State Medical University</institution></aff><aff><institution xml:lang="ru">Пермский государственный медицинский университет имени академика Е.А. Вагнера</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-03-16" publication-format="electronic"><day>16</day><month>03</month><year>2023</year></pub-date><volume>40</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>34</fpage><lpage>40</lpage><history><date date-type="received" iso-8601-date="2022-12-19"><day>19</day><month>12</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Эко-Вектор</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://permmedjournal.ru/PMJ/article/view/119651">https://permmedjournal.ru/PMJ/article/view/119651</self-uri><abstract xml:lang="en"><p><bold>Objective. </bold>To determine the clinical and laboratory features of the postcovid syndrome in children of primary school age.</p> <p><bold>Materials and methods. </bold>The analysis of complaints and anamnesis, somatic and neurological status in 24 children who had a new coronavirus infection was carried out; the results were also analyzed according to the Subjective Asthenia Scale (version for parents), the Quality of Life Assessment Scale (version for children), the Wayne’s questionnaire and scheme, the functional status scale. The concentration of monocytic chemotactic factor in the saliva was determined using enzyme immunoassay.</p> <p><bold>Results. </bold>Most of the children presented astheno-vegetative complaints, which were confirmed by the MFS scores, and the Wayne's questionnaire and scheme. The concentration of monocytic chemotactic protein in the examined cohort of children was 32.48 ± 23.22 pg/ml, with no significant difference by sex. The level of physical functioning by the quality of life scale was significantly higher in boys (100.00 ± 0.00 points) than in girls (82.03 ± 15.46 points, <italic>p</italic> = 0.02). A correlation was obtained between the salivary monocyte chemotactic protein content and the scores obtained using the Wayne questionnaire and scheme, as well as the MFS and functional status scales.</p> <p><bold>Conclusions. </bold>Vegetative and asthenic syndromes are closely related to the concentration of salivary monocyte chemotactic factor.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель.</bold> Определить клинико-лабораторные особенности постковидного синдрома у детей младшего школьного возраста.</p> <p><bold>Материалы и методы.</bold> Проведен анализ жалоб, анамнеза, соматического и неврологического статуса у 24 детей, которые перенесли новую коронавирусную инфекцию, также проведен анализ результатов по субъективной шкале астении (версия для родителей), шкале оценки качества жизни (версия для детей), вопроснику и схеме Вейна, шкале функционального статуса. Концентрация моноцитарного хемотаксического фактора в слюне определена с помощью иммуноферментного анализа.</p> <p><bold>Результаты.</bold> Большинство детей предъявляли жалобы астеновегетативного плана, которые подтверждались показателями шкалы MFS, опросником и схемой Вейна. Концентрация моноцитарного хемотаксического белка у обследуемой когорты детей оказалась равной 32,48 ± 23,22 пг/мл, без достоверной разницы по полу. Уровень физического функционирования шкалы качества жизни оказался достоверно выше у мальчиков (100,0 ± 0,0 баллов) чем у девочек (82,0 ± 15,4 балла, <italic>p</italic> = 0,02). Получена корреляционная зависимость содержания моноцитарного хемотаксического белка слюны с баллами, определенными по вопроснику и схеме Вейна, а также шкалам MFS и функционального статуса.</p> <p><bold>Выводы. </bold>Вегетативный и астенический синдромы находятся в тесной взаимосвязи с концентрацией моноцитарного хемотаксического фактора слюны.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Postcovid syndrome</kwd><kwd>autonomic dysfunction</kwd><kwd>children</kwd><kwd>monocyte chemotactic protein-1</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>Постковидный синдром</kwd><kwd>вегетативная дисфункция</kwd><kwd>дети</kwd><kwd>моноцитарный хемотаксический протеин-1</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">Carod-Artal F.J. Post-COVID-19 syndrome: epidemiology, diagnostic criteria and pathogenic mechanisms involved. Rev Neurol. 2021; 72(11): 384–396. 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