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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">milmed</journal-id><journal-title-group><journal-title xml:lang="ru">Военная медицина</journal-title><trans-title-group xml:lang="en"><trans-title>Military Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2074-5044</issn><publisher><publisher-name>Белорусский государственный медицинский университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.51922/2074-5044.2026.4.101</article-id><article-id custom-type="elpub" pub-id-type="custom">milmed-806</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>ОБЗОРЫ И ЛЕКЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>REVIEWS AND LECTURES</subject></subj-group></article-categories><title-group><article-title>Вариабельность течения классической галактоземии</article-title><trans-title-group xml:lang="en"><trans-title>Variability in the course of classical galactosemia</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Логинова</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Loginova</surname><given-names>I. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Устинович</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ustinovich</surname><given-names>A. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Альферович</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Alferovich</surname><given-names>E. N.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Долидович</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Dolidovich</surname><given-names>H. Y.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хотько</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khatsko</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Антропова</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Antropova</surname><given-names>T. N.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Олизарович</surname><given-names>Е. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Olizarovich</surname><given-names>H. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Павловская</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pavlovskaya</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>УО «Белорусский государственный медицинский университет»</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Educational Institution «Вelarusian State Medical University»</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>УЗ «3-я детская городская клиническая больница»</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>3rd Child Clinical Hospital</institution><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>10</month><year>2026</year></pub-date><volume>0</volume><issue>4</issue><fpage>101</fpage><lpage>105</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Логинова И.А., Устинович А.А., Альферович Е.Н., Долидович Е.Ю., Хотько В.С., Антропова Т.Н., Олизарович Е.З., Павловская А.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Логинова И.А., Устинович А.А., Альферович Е.Н., Долидович Е.Ю., Хотько В.С., Антропова Т.Н., Олизарович Е.З., Павловская А.А.</copyright-holder><copyright-holder xml:lang="en">Loginova I.A., Ustinovich A.A., Alferovich E.N., Dolidovich H.Y., Khatsko V.S., Antropova T.N., Olizarovich H.Z., Pavlovskaya A.A.</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://milmed.ejournal.by/jour/article/view/806">https://milmed.ejournal.by/jour/article/view/806</self-uri><abstract><p>Галактоземия – редкое наследственное заболевание, при котором сроки появления и выраженность первых клинических признаков могут значительно варьировать от первых дней жизни до нескольких месяцев. В основе патогенеза галактоземии лежит дефицит фермента, который принимает участие в превращении галактозы в глюкозу. Накопление галактозы и ее токсических метаболитов и ведет  к формированию соответствующего клинического симптомокомплекса. Для ранней диагностики галактоземии и профилактики угрожающих жизни осложнений в настоящее время в РБ проводится неонатальный скрининг. Однако, заболевание может иметь кризовое течение со стремительным развитием, что требует мультидисциплинарного подхода в диагностике и выборе терапии. Необходима настороженность врачей в период ожидания результатов скрининга. Основной патогенетический метод лечения – это диета с полным исключением галактозы. При своевременном начале диетотерапии прогноз  в отношении жизни и здоровья благоприятный. В статье представлены современные данные литературы и приведено клиническое наблюдение двух случаев классической галактоземии I типа, ассоциированных с «тяжелыми» мутациями гена GALT, такими как делеция Q188R, K285N, манифестировавших  и протекавших, между тем, совершенно различно, что, безусловно, представляет академический интерес для практического врача. </p></abstract><trans-abstract xml:lang="en"><p>Galactosemia is a rare hereditary disorder in which the onset and severity of the first clinical signs can vary significantly, from the first days of life to several months. The pathogenesis of galactosemia is based on a deficiency of the enzyme involved in the conversion of galactose to glucose. The accumulation of galactose and its toxic metabolites leads to the development of the corresponding clinical symptom complex. Neonatal screening is currently performed in the Republic of Belarus to ensure early diagnosis of galactosemia and prevent life-threatening complications. However, the disease can progress rapidly, requiring a multidisciplinary approach to diagnosis and treatment. Physicians must remain vigilant while awaiting screening results. The primary treatment method is a completely galactose-free diet. With timely initiation of dietary therapy, the prognosis for life and health is favorable. The article presents modern literature data and provides a clinical observation of two cases of classical galactosemia type I associated with «severe» mutations of the GALT gene, such as deletion Q188R, K285N, which manifested and progressed, however, completely differently, which, of course, is of academic interest to a practicing physician. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>галактоземия</kwd><kwd>дети</kwd><kwd>мутация гена GALT</kwd><kwd>соевая смесь</kwd></kwd-group><kwd-group xml:lang="en"><kwd>galactosemia</kwd><kwd>children</kwd><kwd>GALT gene mutation</kwd><kwd>soy formula</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">Галактоземия у детей: клинические рекомендации, протоколы лечения [Electronic resource]. 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