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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">vestomm</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник охраны материнства и младенчества</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of maternal and child care</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">3034-395X</issn><publisher><publisher-name>ФГБУ «НИИ ОММ» Минздрава России</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.69964/BMCC-2024-1-3-80-90</article-id><article-id custom-type="elpub" pub-id-type="custom">vestomm-56</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>Streptococcus agalactiae в неонатологии: стратегии обнаружения</article-title><trans-title-group xml:lang="en"><trans-title>Streptococcus agalactiae in neonatology: detection strategies</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9752-5054</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аминева</surname><given-names>П. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Amineva</surname><given-names>Polina G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аминева Полина Геннадьевна — Ассистент, аспирант кафедры медицинской микробиологии и клинической лабораторной диагностики</p><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Polina G. Amineva — Assistant, post-graduate student</p><p>Ekaterinburg</p></bio><email xlink:type="simple">pga@qulitymed.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/0000-0003-1630-1628</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ворошилина</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Voroshilina</surname><given-names>Ekaterina S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ворошилина Екатерина Сергеевна — Заведующий кафедрой медицинской микробиологии и клинической лабораторной диагностики, доктор медицинских наук, доцент</p><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Ekaterina S. Voroshilina — Head of the Department, Doctor of Medical Sciences, Professor</p><p>Ekaterinburg</p></bio><email xlink:type="simple">voroshilina@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0113-0766</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Старков</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Starkov</surname><given-names>Vadim Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Старков Вадим Юрьевич — Анестезиолог-реаниматолог отделения реанимации и интенсивной терапии новорожденных; младший научный сотрудник молодёжной научной лаборатории ЦНИЛ ФГБОУ ВО Уральский государственный медицинский университет Минздрава России</p><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Vadim Yu. Starkov — Anesthesiologist-Resuscitator; Junior Researcher at the Youth Scientific Laboratory of the Central Research Institute of the Ural State Medical University of the Ministry of Health of the Russian Federation</p><p>Еkaterinburg</p></bio><email xlink:type="simple">v.u.starkov@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8268-4172</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Додров</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Dodrov</surname><given-names>Dmitry S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Додров Дмитрий Сергеевич — Заместитель главного врача по педиатрической помощи</p><p>Екатеринбург</p></bio><bio xml:lang="en"><p>Dmitry S. Dodrov — Deputy Chief Physician for Pediatric Care</p><p>Еkaterinburg</p></bio><email xlink:type="simple">dodrov78@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Кафедра медицинской микробиологии и клинической лабораторной диагностики ФГБОУ ВО «Уральский государственный медицинский университет» Минздрава России; ООО «Кволити Мед»<country>Россия</country></aff><aff xml:lang="en">The Department of Medical Microbiology and Laboratory Diagnostics of the Ural State Medical University of the Ministry of Health of the Russian Federation; LLC “Quality Med”<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Кафедра медицинской микробиологии и клинической лабораторной диагностики ФГБОУ ВО «Уральский государственный медицинский университет» Минздрава России<country>Россия</country></aff><aff xml:lang="en">The Department of Medical Microbiology and Laboratory Diagnostics of the Ural State Medical University of the Ministry of Health of the Russian Federation<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">ГБУЗ СО «Екатеринбургский клинический перинатальный центр»<country>Россия</country></aff><aff xml:lang="en">Clinical Perinatal Center<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>14</day><month>01</month><year>2025</year></pub-date><volume>1</volume><issue>3</issue><fpage>80</fpage><lpage>90</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аминева П.Г., Ворошилина Е.С., Старков В.Ю., Додров Д.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Аминева П.Г., Ворошилина Е.С., Старков В.Ю., Додров Д.С.</copyright-holder><copyright-holder xml:lang="en">Amineva P.G., Voroshilina E.S., Starkov V.Y., Dodrov D.S.</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://www.vestnikomm.ru/jour/article/view/56">https://www.vestnikomm.ru/jour/article/view/56</self-uri><abstract><sec><title>Введение</title><p>Введение. Стрептококк группы B (Streptococcus agalactiae, CГВ) остается основной причиной неонатального сепсиса и менингита, несмотря на выраженное снижение из-за применения интранатальной антибиотикопрофилактики. Вместе с тем, задержки в выявлении и лечении неонатальных инфекций могут вызвать серьезные последствия и в некоторых случаях смерть новорожденного, с другой стороны, ненужное применение антибиотиков также имеет пагубные последствия (изменение нормальной микробиоты новорожденного, развитие устойчивости к противомикробным препаратам и др). При этом перед лабораториями постоянно встает задача совершенствовать диагностические подходы для быстрой и правильной идентификации новорожденных с инфекцией.</p></sec><sec><title>Цель исследования</title><p>Цель исследования. Проанализировать эффективность, результативность и время выдачи результатов бактериологического исследования при неонатальном сепсисе и менингите, вызванного Streptococcus agalactiae, для определения лучшей диагностической стратегии.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. В период с января по ноябрь 2024 г. проанализированы истории болезни 10 новорожденных с положительной гемокультурой на Streptococcus agalactiae. Образцы крови были взяты в асептических условиях в педиатрические флаконы для гемокультивирования по стандартному протоколу. Идентификацию микроорганизмов производили 2 методами: 1 - путем стандартного субкультивировании на чашках с питательной средой и 2 - напрямую из положительных флаконов с применением технологии MALDI-TOF MS на анализаторе Vitek MS (BioMerieux, Франция) с использованием in-house метода.</p></sec><sec><title>Результаты</title><p>Результаты. Среднее время от момента взятия пробы до постановки в прибор для гемокультивирования (А) составило 13,1±7,4 ч, среднее время роста микроорганизма, т.е. до положительного сигнала (В) - 6,7±3,0, среднее время идентификации возбудителя из флакона крови (С) - 20,2±13,1, среднее время оборота пробы в лаборатории (от забора материала до выдачи результата идентификации клиническому врачу — D) соcтавило 42,0±12,0 ч. При использовании метода ускоренной идентификации напрямую из положительного флакона среднее время С составило 12,5 часов, D - 36,3 часа.</p></sec><sec><title>Выводы</title><p>Выводы. Применение ускоренной методики культурального выявления СГВ в гемокультурах новорожденных детей позволило сократить время идентификации возбудителя в положительной культуре крови на 17,5 часов с 30 часов до 12,5 (более чем в 2 раза), а общее время от получения биоматериала до принятия решения лечащим — сократить на 14 часов (с 50 часов до 36), т. е. почти в 1,5 раза.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Group B streptococcus (Streptococcus agalactiae, SGV) remains the main cause of neonatal sepsis and meningitis, despite a marked decrease due to the use of intranatal antibiotic prophylaxis. At the same time, delays in the detection and treatment of neonatal infections can cause serious consequences and, in some cases, the death of a newborn, on the other hand, unnecessary use of antibiotics also has harmful consequences (changes in the normal microbiota of a newborn, the development of antimicrobial resistance, etc.). At the same time, laboratories are constantly faced with the task of improving diagnostic approaches for the rapid and correct identification of newborns with infection.</p></sec><sec><title>The purpose of the study</title><p>The purpose of the study. To analyze the effectiveness, efficiency and timing of the results of bacteriological examination in neonatal sepsis and meningitis caused by Streptococcus agalactiae to determine the best diagnostic strategy.</p></sec><sec><title>Material and methods</title><p>Material and methods. In the period from January to November 2024, the case histories of 10 newborns with positive hemoculture for Streptococcus agalactiae were analyzed. Blood samples were taken under aseptic conditions according to the standard protocol. The identification of microorganisms was carried out by 2 methods: 1 — by standard subcultivation on nutrient cups and 2 — directly from positive vials using MALDI-TOF MS technology on a Vitek MS analyzer (BioMerieux, France) using the in-house method.</p></sec><sec><title>Results</title><p>Results. The average time from the moment of sampling to placement in the hemocultivation device (A) was 13.1±7.4 hours, the average growth time of the microorganism, i.e., to a positive signal (B) was 6.7± 3.0, the average time for identification of the pathogen from a blood vial (C) was 20.2±13.1, the average sample turnover time in the laboratory (from the collection of the material to the issuance of the identification result to the clinician — D) was 42.0 ± 12.0 hours. When using the accelerated identification method directly from a positive vial, the average time C was 12.5 hours, D — 36.3 hours.</p></sec><sec><title>Conclusions</title><p>Conclusions. The use of an accelerated technique for the cultural detection of OHS in hemocultures of newborn children allowed to reduce the time of identification of the pathogen in a positive blood culture by 17.5 hours from 30 hours to 12.5 (more than 2 times), and the total time from obtaining the biomaterial to making a decision by the attending physician was reduced by 14 hours (from 50 hours to 36), i.e. almost 1.5 times.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Streptococcus agalactiae</kwd><kwd>тестирование на чувствительность к противомикробным препаратам</kwd><kwd>посев крови</kwd><kwd>инфекции кровотока новорожденных</kwd><kwd>идентификация</kwd><kwd>MALDI-TOF масс-спектрометрия</kwd><kwd>микробиологическая диагностика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Streptococcus agalactiae</kwd><kwd>antimicrobial susceptibility testing</kwd><kwd>blood culture</kwd><kwd>bloodstream infection of neonates</kwd><kwd>identification</kwd><kwd>Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry</kwd><kwd>microbiological 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">Lancefield RC. 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