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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">10.33667/2078-5631-2025-6-8-12</article-id><article-id custom-type="elpub" pub-id-type="custom">medalphabet-4336</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>Оптимизация диагностики инфекции Helicobacter pylori: селективные быстрые уреазные тесты и аммонийный дыхательный тест</article-title><trans-title-group xml:lang="en"><trans-title>Optimization of diagnosis of Helicobacter pylori infection: selective rapid urease tests and ammonium breath test</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7429-0336</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барышникова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baryshnikova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Барышникова Наталья Владимировна, к. м. н., доцент, младший научный сотрудник лаборатории медико-социальных проблем педиатрии; доцент кафедры внутренних болезней стоматологического факультета; научный сотрудник лаборатории молекулярной микробиологии,</p><p>Санкт-Петербург. </p></bio><bio xml:lang="en"><p>Baryshnikova Natalia V., PhD Med, aassociate professor, junior researcher at Laboratory of Medical and Social Problems of Pediatrics; Associate Professor at Dept of Internal Medicine, Faculty of Dentistry; Researcher at Laboratory of Molecular Microbiology,</p><p>St-Petersburg.</p></bio><email xlink:type="simple">baryshnikova_nv@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/0009-0003-5997-4096</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ловчикова</surname><given-names>М. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Lovchikova</surname><given-names>M. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ловчикова Марина Дмитриевна, врач-гастроэнтеролог,</p><p>Сургут.</p></bio><bio xml:lang="en"><p>Lovchikova Marina D., gastroenterologist,</p><p>Surgut.</p></bio><email xlink:type="simple">rozmd@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шишлова</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Shishlova</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шишлова Ирина Игоревна, врач-гастроэнтеролог,</p><p>Астрахань.</p></bio><bio xml:lang="en"><p>Shishlova Irina I., gastroenterologist,</p><p>Astrakhan.</p></bio><email xlink:type="simple">freilain.kochina@yandex.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/0000-0001-8049-7341</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Минаева</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Minaeva</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минаева Любовь Валерьевна, к. м. н., доцент кафедры клинической биохимии и лабораторной диагностики,</p><p>Санкт-Петербург. </p></bio><bio xml:lang="en"><p>Minaeva Lyubov V., PhD Med, Associate Professor at Dept of Clinical Biochemistry and Laboratory Diagnostics Physicians,</p><p>St. Petersburg.</p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Санкт-Петербургский государственный педиатрический медицинский университет» Минздрава России; ФГБОУ ВО «Первый Санкт-Петербургский государственный медицинский университет имени академика И. П. Павлова»; ФГБНУ «Институт экспериментальной медицины»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>St. Petersburg State Pediatric Medical University; Pavlov First St-Petersburg State Medical University; Institute of Experimental Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>БУ Ханты-Мансийского автономного округа – Югры «Сургутская городская клиническая поликлиника № 4»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Surgut City Clinical Polyclinic No. 4</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ГБУЗ Астраханской области «Александро-Мариинская областная клиническая больница»; ЧУЗ «Медико-санитарная часть»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Alexander-Mariinsky Regional Clinical Hospital; Private Healthcare Institution "Medical and Sanitary Unit"</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ФГБВОУ ВО «Военно-медицинская академия им. С. М. Кирова» Министерства обороны РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Military Medical Academy named after S. M. Kirov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>26</day><month>05</month><year>2025</year></pub-date><volume>0</volume><issue>6</issue><issue-title>«Гастроэнтерология и диетология» (1)</issue-title><fpage>8</fpage><lpage>12</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Барышникова Н.В., Ловчикова М.Д., Шишлова И.И., Минаева Л.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Барышникова Н.В., Ловчикова М.Д., Шишлова И.И., Минаева Л.В.</copyright-holder><copyright-holder xml:lang="en">Baryshnikova N.V., Lovchikova M.D., Shishlova I.I., Minaeva L.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://www.med-alphabet.com/jour/article/view/4336">https://www.med-alphabet.com/jour/article/view/4336</self-uri><abstract><p>Вопросы оптимизации ведения пациентов, инфицированных Helicobacter pylori, остаются актуальными в клинической терапии и гастроэнтерологии вот уже в течение многих лет. Это связано как с высокой распространенностью инфекции H. pylori в России: в зависимости от региона она составляет 35–60 %, так и с потенциальной канцерогенностью микроорганизма в отношении развития рака желудка. Согласно клиническим рекомендациям, при проведении эндоскопического исследования верхних отделов желудочно-кишечного тракта в качестве метода первичной диагностики инфекции могут быть рекомендованы быстрый уреазный тест со взятием биоптата из антрального отдела и тела желудка или гистологическое исследвоание биоптатов слизистой оболочки желудка, в качестве неинвазивной диагностики рекомендуются 13С-уреазный дыхательный тест или определение антигена микроорганизма в кале. Актуальным является использование быстрых уреазных тестов, обладающих селективностью в отношении H. pylori, не реагирущих на изменение рН и на уреазу других уреазопродуцентов. Для неинвазивной диагностики можно рассматривать и альтернативные варианты верификации возбудителя, например, аммонийный дыхательный тест, когда определяется не уровень СО2 в выдыхаемом воздухе, а второй метаболит гидролиза мочевины – аммиак.</p></abstract><trans-abstract xml:lang="en"><p>The issues of optimizing the management of patients infected with Helicobacter pylori have remained relevant in clinical therapy and gastroenterology for many years. This is due both to the high prevalence of H. pylori infection in Russia: depending on the region, it is 35–60 %, and to the potential carcinogenicity of the microorganism in relation to the development of gastric cancer. According to clinical recommendations, when conducting an endoscopic examination of the upper gastrointestinal tract, a rapid urease test with biopsy samples from the antrum and body of the stomach or histological examination of biopsies of the gastric mucosa may be recommended as a method of primary diagnosis of infection, and a 13C-urease breath test or determination of the antigen of a microorganism in feces is recommended as a non-invasive diagnostic. The use of rapid urease tests with selectivity for H. pylori, which do not respond to pH changes and to the urease of other urease producents. For non-invasive diagnostics, alternative ways of verifying the microbe can also be considered, for example, an ammonium breath test, when the level of CO2 in the exhaled air is not determined, but the second metabolite of urea hydrolysis – ammonia.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Helicobacter pylori</kwd><kwd>селективные быстрые уреазные тесты</kwd><kwd>аммиак</kwd><kwd>аммонийный дыхательный тест</kwd><kwd>диагностика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Helicobacter pylori</kwd><kwd>selective rapid urease tests</kwd><kwd>ammonia</kwd><kwd>ammonium breath test</kwd><kwd>diagnostics</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">R. Plavnik, V. Nevmerzhitskiy, I. Voinovan, Y. Embutniex, M. Abdulova, E. Kondratieva, D. Bordin The prevalence of Helicobacter pylori infection in Russia.. 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