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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">medalphabet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский алфавит</journal-title><trans-title-group xml:lang="en"><trans-title>Medical alphabet</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2078-5631</issn><issn pub-type="epub">2949-2807</issn><publisher><publisher-name>ООО «Альфмед»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33667/2078-5631-2025-25-23-28</article-id><article-id custom-type="elpub" pub-id-type="custom">medalphabet-4685</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Взаимосвязь различных вариантов течения синдрома избыточного бактериального роста в тонкой кишке с функциональными запорами у детей</article-title><trans-title-group xml:lang="en"><trans-title>The relationship of different variants of the course of small intestinal bacterial overgrowth with functional constipation in children</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8788-7895</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шабалов</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Shabalov</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шабалов Александр Михайлович, к. м. н., доцент, старший преподаватель кафедры детских болезней</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Shabalov Alexandr M., PhD Med, associate professor, senior lecturer</p><p>Saint-Petersburg</p></bio><email xlink:type="simple">Aleks-Shabalov2007@yandex.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/0000-0003-2743-1460</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корниенко</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kornienko</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Корниенко Елена Александровна, д. м. н., проф. кафедры детских болезней им. проф. И. М. Воронцова ФП и ДПО</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Kornienko Elena A., DM Sci (habil.), professor at Dept of Children's diseases named after. professor I. M. Vorontsov Faculty of Postgraduate Education and Continuing Professional Education</p><p>Saint-Petersburg</p></bio><email xlink:type="simple">elenkornienk@yandex.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/0000-0003-1597-5663</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дмитриенко</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dmitrienko</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дмитриенко Марина Александровна, д. т. н., генеральный директор</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Dmitrienko Marina A., Dr Tech Sci, general director</p><p>Saint-Petersburg</p></bio><email xlink:type="simple">m_dmitrienko@amamed.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0423-6104</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Думова</surname><given-names>Н. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Dumova</surname><given-names>N. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Думова Наталия Борисовна, к. м. н., доцент кафедры детских болезней</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Dumova Natalia B., PhD Med, associate professor at Dept of Children's Diseases</p><p>Saint-Petersburg</p></bio><email xlink:type="simple">ndumov@hotmail.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/0009-0009-4332-9600</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Выборных</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vybornykh</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Выборных Наталия Сергеевна, ведущий инженер Службы качества</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Vybornykh Natalia S., senior engineer of the Quality Service</p><p>Saint-Petersburg</p></bio><email xlink:type="simple">nk@amamed.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБВОУ ВО «Военно-медицинская академия имени С. М. Кирова» Министерства обороны Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Military medical academy of S. M. Kirov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Санкт-Петербургский государственный педиатрический медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg State Pediatric Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ООО «Ассоциация медицины и аналитики»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Association of Medicine and Analytics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>16</day><month>11</month><year>2025</year></pub-date><volume>0</volume><issue>25</issue><issue-title>«Гастроэнтерология и диетология» (3)</issue-title><fpage>23</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шабалов А.М., Корниенко Е.А., Дмитриенко М.А., Думова Н.Б., Выборных Н.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Шабалов А.М., Корниенко Е.А., Дмитриенко М.А., Думова Н.Б., Выборных Н.С.</copyright-holder><copyright-holder xml:lang="en">Shabalov A.M., Kornienko E.A., Dmitrienko M.A., Dumova N.B., Vybornykh N.S.</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-alphabet.com/jour/article/view/4685">https://www.med-alphabet.com/jour/article/view/4685</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Функциональный запор (ФЗ) является распространенной и актуальной проблемой в педиатрии. Продолжается изучение влияния синдрома избыточного бактериального роста (водородогенный, H2- и метаногенный, СH4-CИБР) на течение ФЗ у детей.</p></sec><sec><title>Цель</title><p>Цель. Для повышения качества диагностических и терапевтических подходов проанализировать возможную взаимосвязь H2- и СH4-CИБР с течением функциональных запоров у детей.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Обследовано 82 пациента, из них 33 пациента с ФЗ в возрасте 8,0 (5,0:15,0) лет, 15 (54,5 %) девочек и 18 (45,5 %) мальчиков, а также 49 практически здоровых детей в возрасте 9,0 (5,8:16,2) лет, 27 (55,1 %) девочек и 22 (44,9 %) мальчика. Проведено стандартное клиническое обследование. Определение Н2- и СН4-СИБР выполнено неинвазивными методами: водородный дыхательный тест «Лактофан2» (РФ) и водородно- метановый тест «GastroCheckGastrolyzer» (Великобритания). Статистический анализ реализован в программе StatTech v. 4.6.1 (РФ).</p></sec><sec><title>Результаты</title><p>Результаты. СИБР различного характера (31/93,9 % и 28/57,1 %, p&lt;0,001) и Н2-СИБР (22/67,7 % и 18/36,7 %, p=0,008) статистически значимо чаще выявлялись у пациентов с ФЗ, чем в группе сравнения. Частота СН4-СИБР (9/27,2 и 10/20,4 %, p=0,47) достоверно не отличалась. У пациентов с ФЗ концентрация Н2 (ppm) на 90 мин дыхательного теста была статистически значимо выше, чем в группе сравнения (42,09±29,85 и 15,08±12,69, p&lt;0,001). Получена статистически значимая корреляционная взаимосвязь между концентрацией Н2 на 60 мин (ρ=0,496, p=0,026) и 90 мин исследования (ρ=0,566, p=0,009) с длительностью течения ФЗ, что отражает повышенную метаболическую активность водородсинтезирующих микроорганизмов в тонкой кишке. Статистически значимых корреляций между концентрацией метана и длительностью течения ФЗ не выявлено (p&gt;0,05).</p></sec><sec><title>Выводы</title><p>Выводы. У большинства пациентов с ФЗ был выявлен синдром избыточного бактериального роста (93,9 %). Выявленная корреляционная взаимосвязь и регрессионная зависимость H2-СИБР с длительностью течения ФЗ, при отсутствии такой взаимосвязи с уровнем СН4, диктует необходимость проведения дыхательной диагностики СИБР и его дальнейшей терапевтической коррекции.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Functional constipation (FC) is a common and urgent problem in pediatrics. The study of the effect of bacterial overgrowth syndrome (hydrogen–induced, H2- and methanogenic, CH4-SIBO) on the course of FC in children continues.</p></sec><sec><title>Purpose</title><p>Purpose. To improve the quality of diagnostic and therapeutic approaches, evaluate the possible relationship between H2- and SH4-CIBR taking into account possible constipation in children.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. 82 patients were examined, including 33 patients with FC aged 8.0 [5.0:15.0] years, 15 (54.5 %) girls and 18 (45.5 %) boys, as well as 49 practically healthy children aged 9.0 [5.8:16.2] years, 27 (55.1 %) girls and 22 (44.9 %) boys. A standard clinical examination was performed. The determination of H2- and CH4-SIBO was performed using noninvasive methods: the «Lactofan» hydrogen breathing test (Russia) and the GastroCheckGastrolyzer hydrogen-methane test (UK). Statistical analysis is implemented in the StatTech program. v. 4.6.1 (Russia).</p></sec><sec><title>Results</title><p>Results. SIBO of various types (31/93.9 % and 28/57.1 %, p&lt;0.001) and H2-SIBO (22/67.7 % and 18/36.7 %, p=0.008) were significantly more often detected in patients with FC than in the comparison group. The frequency of CH4-SIBO (9/27.2 % and 10/20.4 %, p=0.47) did not significantly differ. In patients with FC, the concentration of H2 (ppm) for 90 minutes. The respiratory rate was significantly higher than in the comparison group (42.09±29.85 and 15.08±12.69, p&lt;0.001). A statistically significant correlation was obtained between the concentration of H2 at 60 min (ρ=0.496, p=0.026) and 90 min studies (ρ=0.566, p=0.009) with the duration of the FC course, which reflects the increased metabolic activity of hydrogen-synthesizing microorganisms in the small intestine. There were no statistically significant correlations between the methane concentration and the duration of the FC (p&gt;0.05).</p></sec><sec><title>Conclusions</title><p>Conclusions. The majority of patients with FC had small intestinal bacterial overgrowth (93.9 %). The shown correlation relationship, the regression dependence of H2-SIBO with the duration of the course of FC, in the absence of such a relationship with the level of CH4, dictates the need for respiratory diagnosis on SIBO and its further therapeutic correction.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>синдром избыточного бактериального роста</kwd><kwd>СИБР</kwd><kwd>функциональный запор</kwd><kwd>водород</kwd><kwd>метан</kwd><kwd>археи</kwd><kwd>Methanobrevibacter smithi</kwd><kwd>Лактофан</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Small intestinal bacterial overgrowth</kwd><kwd>SIBO</kwd><kwd>functional constipation</kwd><kwd>hydrogen</kwd><kwd>methane</kwd><kwd>archaea</kwd><kwd>Methanobrevibacter smithi</kwd><kwd>Lactofan</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">Эрдес С. И., Мацукатова Б. О., Ревякина С. А. 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