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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">10.22627/2072-8107-2026-25-1-66-70</article-id><article-id custom-type="elpub" pub-id-type="custom">detinf-1150</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>СЛУЧАЙ ИЗ ПРАКТИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE FROM PRACTICAL</subject></subj-group></article-categories><title-group><article-title>Клинический случай рецидивирующего Сl. difficile-ассоциированного энтероколита у ребёнка с атопическим дерматитом и аллергией к белку коровьего молока</article-title><trans-title-group xml:lang="en"><trans-title>Сl. difficile-associated enterocolitis in child with atopic dermatitis and cow's milk protein allergy: clinical case</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-9231-5564</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абянова</surname><given-names>П. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Abianova</surname><given-names>P. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Абянова Полина Игоревна, ассистент кафедры детских инфекционных болезней с курсом повышения квалификации и переподготовки</p><p>Минск   </p></bio><bio xml:lang="en"><p>Minsk </p></bio><email xlink:type="simple">polina.abyanova@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/0000-0002-4008-3299</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Парфенчик</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Parfenchik</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Парфенчик Инна Викторовна, к.м.н.. врач</p><p>Гродно </p></bio><bio xml:lang="en"><p>Grodno </p></bio><email xlink:type="simple">inna-parfenchik@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Белорусский государственный медицинский университет<country>Беларусь</country></aff><aff xml:lang="en">Belarusian State Medical University<country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Гродненская областная инфекционная клиническая больница<country>Беларусь</country></aff><aff xml:lang="en">Grodno Regional Clinical Hospital for Infectious Diseases<country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>27</day><month>03</month><year>2026</year></pub-date><volume>25</volume><issue>1</issue><fpage>66</fpage><lpage>70</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Абянова П.И., Парфенчик И.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Абянова П.И., Парфенчик И.В.</copyright-holder><copyright-holder xml:lang="en">Abianova P.I., Parfenchik I.V.</copyright-holder><license 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/1150">https://detinf.elpub.ru/jour/article/view/1150</self-uri><abstract><p>В статье представлен клинический случай тяжёлого рецидивирующего антибиотик-ассоциированного поражения кишечника, вызванного инфекцией Cl. difficile у трёхлетнего ребенка, страдающего атопическим дерматитом и аллергией на белок коровьего молока. Клинические проявления заболевания включали гипертермию, многократный жидкий стул с примесями крови и слизи, а также схваткообразные боли в животе. Диагноз был выставлен на основании клинико-анамнестических данных, отрицательных результатов ИФА, ПЦР и микробиологических исследований кала на вирусные и бактериальные возбудители кишечных инфекций, положительного результата исследования кала на токсины типа А и В Cl. difficile, что подтвердилось быстрым положительным ответом на терапию ванкомицином. В течение трёх дней с момента выписки ребёнка из стационара наблюдалось возобновление симптомов гемоколита. При повторной госпитализации был получен отрицательный результат исследования кала на токсины типа А и В Cl. difficile, однако, учитывая анамнез, клинико-эпидемиологические данные и возможность ложноотрицательного результата исследования, было принято решение о назначении антибактериальной терапии ванкомицином. Проводимая терапия привела к нормализации общего состояния и выздоровлению. При последующем диспансерном наблюдении в течение года, у ребёнка не отмечались симптомы поражения желудочно-кишечного тракта, что свидетельствует об эффективности лечения и восстановлении нормальной функции кишечника.</p><p>Анализ данного случая выявил проблемы диагностики и лечения Cl. difficile инфекции, решением которых могут быть следующие меры: при отрицательных результах скринингового выявления в кале больных с синдромом диареи токсинов типа А и В Cl. difficile необходимо использовать многоступенчатые алгоритмы диагностики, а также индивидуализировать подход к лечению Cl. difficile инфекции у детей, с учётом всех возможных факторов риска и особенностей здоровья пациента.</p></abstract><trans-abstract xml:lang="en"><p>The article presents the clinical case of severe Cl. difficile-associated diarrhea in a three-year-old child suffering from atopic dermatitis and cow’s milk protein allergy. Clinical manifestations of the disease included fever, bloody diarrhea, and abdominal pain. Diagnosis was established based on medical history, clinical presentation, negative results from ELISA, PCR, and microbiological stool tests for viral and bacterial pathogens causing intestinal infections, along with a positive stool test for toxins A and B produced by Cl. difficile, confirmed by prompt improvement after initiation of vancomycin therapy. Within three days of the child being discharged from the hospital, symptoms of hemorrhagic colitis recurred. Upon readmission, stool testing for toxins A and B of Cl. difficile yielded negative results; however, given the clinical and epidemiological context, including the potential for false negatives, antibacterial therapy with vancomycin was initiated again. Treatment resulted in complete resolution of symptoms and normalization of the child’s general condition. Over the next year of follow-up, there were no signs of gastrointestinal injury or recurrence, suggesting successful treatment and recovery of normal bowel function. Analysis of this case highlighted challenges in diagnosing and managing Cl. difficile infection, which could be addressed by implementing the following strategies: when initial screening for toxins A and B of Cl. difficile in fecal specimens produces negative results via enzyme-linked immunosorbent assays (ELISAs), additional testing utilizing more reliable methods such as toxicigenic culture isolation should proceed. This involves adopting multistep diagnostic algorithms as suggested by current guidelines. Additionally, treatment approaches must be tailored individually, accounting for all relevant risk factors and specifics of each patient’s health profile.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Cl. difficile-ассоциированный энтероколит</kwd><kwd>факторы риска</kwd><kwd>антибиотики</kwd><kwd>атопический дерматит</kwd><kwd>аллергия к белкам коровьего молока</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Cl. difficile-associated enterocolitis</kwd><kwd>risk factors</kwd><kwd>antibiotics</kwd><kwd>atopic dermatitis</kwd><kwd>cow's milk protein allergy</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">Miranda-Katz M., Parmar D., Dang R., et al. Epidemiology and Risk Factors for Community Associated Clostridioides difficile in Children. 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