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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">Russian Journal of Allergy</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Allergy</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский Аллергологический Журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1810-8830</issn><issn publication-format="electronic">2686-682X</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">13210</article-id><article-id pub-id-type="doi">10.36691/RJA13210</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">Natural history of food allergy in high-risk infants in a cohort prospective study</article-title><trans-title-group xml:lang="ru"><trans-title>Клинико-эпидемиологическая характеристика пищевой аллергии у детей из группы риска в рамках когортного проспективного исследования</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0728-5825</contrib-id><contrib-id contrib-id-type="spin">1072-4300</contrib-id><name-alternatives><name xml:lang="en"><surname>Prokopyeva</surname><given-names>Valeria D.</given-names></name><name xml:lang="ru"><surname>Прокопьева</surname><given-names>Валерия Дмитриевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>valeriya.d.prokopyeva@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7655-7911</contrib-id><contrib-id contrib-id-type="spin">1488-8189</contrib-id><name-alternatives><name xml:lang="en"><surname>Fedotova</surname><given-names>Marina M.</given-names></name><name xml:lang="ru"><surname>Федотова</surname><given-names>Марина Михайловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.), Assistant Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><email>fedotova.letter@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3495-0832</contrib-id><contrib-id contrib-id-type="spin">3201-5750</contrib-id><name-alternatives><name xml:lang="en"><surname>Kutas</surname><given-names>Ulyana V.</given-names></name><name xml:lang="ru"><surname>Кутас</surname><given-names>Ульяна Вениаминовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>uliaka007@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1659-8812</contrib-id><contrib-id contrib-id-type="spin">1405-0472</contrib-id><name-alternatives><name xml:lang="en"><surname>Nevskaya</surname><given-names>Ksenia V.</given-names></name><name xml:lang="ru"><surname>Невская</surname><given-names>Ксения Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><email>valeriya.d.prokopyeva@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1847-2685</contrib-id><contrib-id contrib-id-type="spin">9637-4582</contrib-id><name-alternatives><name xml:lang="en"><surname>Morozov</surname><given-names>Konstantin R.</given-names></name><name xml:lang="ru"><surname>Морозов</surname><given-names>Константин Ростиславович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>morozov.tom@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7130-9609</contrib-id><contrib-id contrib-id-type="spin">5285-4593</contrib-id><name-alternatives><name xml:lang="en"><surname>Fedorova</surname><given-names>Olga S.</given-names></name><name xml:lang="ru"><surname>Федорова</surname><given-names>Ольга Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.) Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><email>olga.sergeevna.fedorova@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2964-7281</contrib-id><name-alternatives><name xml:lang="en"><surname>Mankovskaya</surname><given-names>Tatyana P.</given-names></name><name xml:lang="ru"><surname>Маньковская</surname><given-names>Татьяна Петровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>MankovskayaTP@opc.tomsk.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Siberian State Medical University</institution></aff><aff><institution xml:lang="ru">Сибирский государственный медицинский университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Regional Perinatal Center named after I.D. Yevtushenko</institution></aff><aff><institution xml:lang="ru">Областной перинатальный центр имени И.Д. Евтушенко</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2023-09-25" publication-format="electronic"><day>25</day><month>09</month><year>2023</year></pub-date><pub-date date-type="pub" iso-8601-date="2023-10-18" publication-format="electronic"><day>18</day><month>10</month><year>2023</year></pub-date><volume>20</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>287</fpage><lpage>298</lpage><history><date date-type="received" iso-8601-date="2023-06-26"><day>26</day><month>06</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-08-31"><day>31</day><month>08</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Pharmarus Print Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Фармарус Принт Медиа</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Pharmarus Print Media</copyright-holder><copyright-holder xml:lang="ru">Фармарус Принт Медиа</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2025-10-18"/></permissions><self-uri xlink:href="https://rusalljournal.ru/raj/article/view/13210">https://rusalljournal.ru/raj/article/view/13210</self-uri><abstract xml:lang="en"><p><bold><italic>BACKGROUND</italic></bold><italic>:</italic> The problem of food allergy remains actual in pediatric practice.</p> <p><bold><italic>AIM</italic></bold><italic>:</italic> to establish the prevalence, clinical features and risk factors of food allergy in infants predisposed to allergy diseases in a cohort prospective study with a follow-up period of 12 months.</p> <p><bold><italic>MATERIALS AND METHODS</italic></bold><italic>:</italic> A prospective cohort study in children whose parents suffer from allergic diseases (<italic>n</italic>=151) was initiated. Prospective observation included: clinical examination at birth and at the age of 3, 9, 12 months, interviewing parents, assessment of allergen-specific IgE to food allergens in blood serum at the age of 12 months. Statistical analysis was performed using STATISTICA 13.3.</p> <p><bold><italic>RESULTS</italic></bold><italic>:</italic> 141 children completed the prospective follow-up. Suspected food allergy (reactions associated with the use of food products) was registered in 48.9% of predisposed children. The symptoms of food allergy include skin lesions and gastrointestinal symptoms. Oral allergic syndrome and respiratory symptoms were recorded only in some cases. Prevalence of suspected food allergy progressively increase by 12 months, mainly due to skin symptoms, while the prevalence of gastrointestinal symptoms, on the contrary, decreased by this age. Mixed feeding was recognized as a risk factor for suspected food allergy in predisposed children. The prevalence of IgE ― mediated food allergy, was 13.9%. The use of antibiotics in the first year of life was shown as risk factor for IgE-mediated food allergy in predisposed children. Multivariate logistic regression showed that pets (cats) owners had lower risk of food allergy.</p> <p><bold><italic>CONCLUSION</italic></bold><italic>:</italic> Primary allergy prevention and adherence to the principles of rational antibiotic therapy is necessary in children predisposed to allergic diseases.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Актуальность</bold>. Проблема пищевой аллергии сохраняет неизменную актуальность в практике врача-педиатра.</p> <p><bold>Цель</bold> ― установить распространённость, клинические особенности и факторы риска пищевой аллергии у детей группы риска в рамках когортного проспективного исследования с продолжительностью наблюдения 12 месяцев.</p> <p><bold>Материалы и методы</bold>. Инициировано проспективное когортное исследование детей, родители которых страдают аллергическими заболеваниями (<italic>n</italic>=151). Проспективное наблюдение включало в себя клиническое обследование детей при рождении и в возрасте 3, 9, 12 месяцев, интервьюирование родителей, оценку уровня аллергенспецифического IgE к пищевым аллергенам в сыворотке крови в возрасте 12 месяцев. Статистический анализ выполнен с использованием STATISTICA 13.3.</p> <p><bold>Результаты</bold>. Участие в проспективном наблюдении завершил 141 ребёнок. Наличие предполагаемой пищевой аллергии (реакций, связанных с употреблением пищевых продуктов) зарегистрировано у 48,9% детей группы риска. Основными проявлениями пищевой аллергии являлись поражение кожи и различные симптомы со стороны желудочно-кишечного тракта. В единичных случаях регистрировались оральный аллергический синдром и респираторные симптомы. В ходе проспективного наблюдения отмечено прогрессивное увеличение распространённости симптомов пищевой аллергии к 12 месяцам преимущественно за счёт кожных проявлений, в то время как распространённость гастроинтестинальных проявлений к этому возрасту напротив, уменьшилась. Статистически значимым фактором риска предполагаемой пищевой аллергии у детей с наследственной предрасположенностью явилось смешанное вскармливание. Распространённость пищевой аллергии, подтверждённой наличием аллергенспецифических антител, составила 13,9%. По данным многофакторной логистической регрессии, фактором риска развития подтверждённой пищевой аллергии у предрасположенных детей являлось применение антибиотиков на первом году жизни; напротив, наличие домашних животных (кошек) сопряжено с меньшим риском развития подтверждённой пищевой аллергии.</p> <p><bold>Заключение</bold>. Для детей групп риска необходимо выполнение мероприятий первичной профилактики, а также соблюдение принципов рациональной антибиотикотерапии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>food allergy</kwd><kwd>prevalence</kwd><kwd>risk factors</kwd><kwd>children</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>пищевая аллергия</kwd><kwd>распространённость</kwd><kwd>факторы риска</kwd><kwd>дети</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was supported by the Russian Science Foundation grant No. 22-25-00741 (https://rscf.ru/project/22-25-00741/).</funding-statement><funding-statement xml:lang="ru">Исследование выполнено за счёт гранта Российского научного фонда № 22-25-00741 (https://rscf.ru/project/22-25-00741/).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Muraro A, Worm M, Alviani C, et al. 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