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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">detinf</journal-id><journal-title-group><journal-title xml:lang="ru">ДЕТСКИЕ ИНФЕКЦИИ</journal-title><trans-title-group xml:lang="en"><trans-title>CHILDREN INFECTIONS</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-8107</issn><issn pub-type="epub">2618-8139</issn><publisher><publisher-name>Association of Pediatricians and Infection Disease doctors</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22627/2072-8107-2021-20-1-19-22</article-id><article-id custom-type="elpub" pub-id-type="custom">detinf-566</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Синдром избыточного бактериального роста у детей подросткового возраста  на фоне хронического вирусного гепатита С</article-title><trans-title-group xml:lang="en"><trans-title>Bacterial overgrowth syndrome in adolescents with Сhronic viral hepatitis C</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9793-8358</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Венцловайте</surname><given-names>Н. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Venclovaite</surname><given-names>N. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Венцловайте Наталья Дмитриевна - младший научный сотрудник отдела вирусных гепатитов</p><p> </p></bio><bio xml:lang="en"><p> Junior Researcher</p></bio><email xlink:type="simple">ventslovayte.nd@mail.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/0000-0001-7890-733X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горячева</surname><given-names>Л. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Goryacheva</surname><given-names>L. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Горячева Лариса Георгиевна -  проф., д.м.н., ведущий научный сотрудник отдела вирусных гепатитов</p><p> </p></bio><bio xml:lang="en"><p>MD, professor</p></bio><email xlink:type="simple">goriacheva@list.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4509-5352</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Грешнякова</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Greshnyakova</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Грешнякова Вера Александровна -  к.м.н., научный сотрудник отдела вирусных гепатитов</p><p> </p></bio><bio xml:lang="en"><p>PhD</p></bio><email xlink:type="simple">veramamayeva@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7976-1045</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ефремова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Efremova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ефремова Наталья Александровна - младший научный сотрудник отдела вирусных гепатитов</p><p> </p></bio><email xlink:type="simple">naftusy@inbox.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/0000-0001-9240-0690</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шилова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shilova</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шилова Ирина Васильевна - к.м.н., научный сотрудник отдела вирусных гепатитов</p><p> </p></bio><bio xml:lang="en"><p>PhD</p></bio><email xlink:type="simple">babuin2004@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Детский научно-клинический центр инфекционных болезней</institution></aff><aff xml:lang="en"><institution>Children's Research and Clinical Center for Infectious Diseases</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Детский научно-клинический центр инфекционных болезней; Санкт-Петербургский государственный педиатрический медицинский университет</institution></aff><aff xml:lang="en"><institution>Children's Research and Clinical Center for Infectious Diseases; Saint Petersburg State Pediatric Medical University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>08</day><month>04</month><year>2021</year></pub-date><volume>20</volume><issue>1</issue><fpage>19</fpage><lpage>22</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Венцловайте Н.Д., Горячева Л.Г., Грешнякова В.А., Ефремова Н.А., Шилова И.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Венцловайте Н.Д., Горячева Л.Г., Грешнякова В.А., Ефремова Н.А., Шилова И.В.</copyright-holder><copyright-holder xml:lang="en">Venclovaite N.D., Goryacheva L.G., Greshnyakova V.A., Efremova N.A., Shilova I.V.</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://detinf.elpub.ru/jour/article/view/566">https://detinf.elpub.ru/jour/article/view/566</self-uri><abstract><p>При хронических заболеваниях печени, в особенности сопровождающихся значительной степенью фиброза, прослеживается тесная взаимосвязь по так называемой оси «печень-кишечник». Избыточный бактериальный рост и нарушение состава микро-биоты приводят к повышению проницаемости кишечного эпителия, развитию эндотоксинемии, активации провоспалительных цитокинов и, как следствие, дополнительному повреждению гепатоцитов.</p><sec><title>Цель исследования</title><p>Цель исследования. Оценить частоту развития синдрома избыточного бактериального роста (СИБР) в тонком кишечнике у детей подросткового возраста с диагнозом хронический гепатит С (ХГС), выявить взаимосвязь между наличием данного синдрома и цитолитической активностью, степенью фиброза.</p></sec><sec><title>Методы исследования</title><p>Методы исследования: В исследуемую группу вошли 33 пациента в возрасте 12—17 лет с установленным диагнозом ХГС. Всем детям был проведен водородный дыхательный тест с лактулозой. Степень фиброза оценивалась по результатам эластографии печени (Fibroscan), цитолитическая активность определялась по уровню АЛТ сыворотки.</p></sec><sec><title>Результаты</title><p>Результаты. Частота встречаемости СИБР в исследуемой группе составила 81,8%. В результате корреляционного анализа данных, связи между развитием СИБР и степенью цитолитической активности хронического гепатита С выявлено не было (критерий χ2= 0,914, р&gt; 0,05). Также не была отмечена взаимосвязь избыточного бактериального обсеменения и степени фиброза в ткани печени (критерий χ2= 0,914, р&gt; 0,05).</p></sec><sec><title>Выводы</title><p>Выводы. СИБР в детском возрасте при наличии ХГС встречается значительно чаще, чем у взрослых. Однако, связи между наличием данного синдрома и выраженностью цитолитической активности, а также степенью фибротических изменений в печени выявлено не было.</p></sec></abstract><trans-abstract xml:lang="en"><p>There is a close relationship between intestine and liver, so-called ‘gut liver’ axis, especially in patients suffered from chronic liver diseases with significant degree of fibrosis. Small intestinal bacterial overgrowth and disturbance in the microbiota composition lead to an increase in the permeability of the intestinal epithelium, the development of endotoxinemia, the activation of pro-inflammatory cytokines and, as a consequence, an additional damage to hepatocytes.</p><sec><title>Objective</title><p>Objective. To estimate the incidence of bacterial overgrowth syndrome (BOS) in the small intestine in adolescents with chronic hepatitis C (CHC), to identify the interaction between this syndrome and cytolytic activity, the degree of fibrosis.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. There is a group of 33 patients aged 12—17 years old with CHC. All children underwent a hydrogen breath test with lactulose. The degree of fibrosis was assessed by the results of liver elastography (Fibroscan), cytolytic activity was determined by the level of alanine transaminase in serum.</p></sec><sec><title>Results</title><p>Results. The frequency of BOS was 81.8% in the study group. As a result of the correlation analysis, no relationship was found between the development of BOS and the degree of cytolytic activity of chronic hepatitis C (criterion χ2= 0.914, p &gt; 0.05). Also, there was no correlation between excessive bacterial contamination and the degree of fibrosis in the liver tissue (criterion χ2= 0.914,p&gt; 0.05).</p></sec><sec><title>Conclusion</title><p>Conclusion. BOS in children with CHC occurs much more often than in adults. However, no relationship was found between this syndrome and the severity of cytolytic activity, the degree of fibrotic changes in the liver.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>хронический гепатит С</kwd><kwd>синдром избыточного бактериального роста в тонком кишечнике</kwd><kwd>микробиота</kwd><kwd>водородный дыхательный тест</kwd><kwd>фиброз печени</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chronic hepatitis C</kwd><kwd>small intestine bacterial overgrowth syndrome</kwd><kwd>microbiota</kwd><kwd>hydrogen breath test</kwd><kwd>liver fibrosis</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">Ардатская М. Д. Синдром избыточного бактериального роста и нарушение процессов пищеварения и всасывания. 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