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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Obstetrics and Gynecology</journal-id><journal-title-group><journal-title xml:lang="en">Obstetrics and Gynecology</journal-title><trans-title-group xml:lang="ru"><trans-title>Акушерство и гинекология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0300-9092</issn><issn publication-format="electronic">2412-5679</issn><publisher><publisher-name xml:lang="en">Bionika Media</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">337990</article-id><article-id pub-id-type="doi">10.18565/aig.2022.266</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Rapid urine test for bacteriuria and beta-lactam resistance in uropathogenic enterobacteria</article-title><trans-title-group xml:lang="ru"><trans-title>Быстрый анализ мочи на значимую бактериурию и бета-лактамную резистентность уропатогенных энтеробактерий</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shipitsyna</surname><given-names>Elena V.</given-names></name><name xml:lang="ru"><surname>Шипицына</surname><given-names>Елена Васильевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Med. Sci., Leading Researcher, Department of Medical Microbiology</p></bio><bio xml:lang="ru"><p>д.б.н., в.н.с. отдела медицинской микробиологии</p></bio><email>shipitsyna@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khusnutdinova</surname><given-names>Tatiana A.</given-names></name><name xml:lang="ru"><surname>Хуснутдинова</surname><given-names>Татьяна Алексеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Researcher, Department of Medical Microbiology; Assistant, Department of Clinical Laboratory Diagnostics</p></bio><bio xml:lang="ru"><p>к.м.н., н.с. отдела медицинской микробиологии; ассистент кафедры клинической лабораторной диагностики</p></bio><email>husnutdinovat@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Goloveshkina</surname><given-names>Elena N.</given-names></name><name xml:lang="ru"><surname>Головешкина</surname><given-names>Елена Николаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Head of the Laboratory for Molecular Diagnostic and Epidemiology of Reproductive Tract Infections</p></bio><bio xml:lang="ru"><p>к.б.н., заведующий лабораторией молекулярной диагностики и эпидемиологии инфекций органов репродукции</p></bio><email>elenagoloveshkina@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gromova</surname><given-names>Anastasia V.</given-names></name><name xml:lang="ru"><surname>Громова</surname><given-names>Анастасия Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Researcher, Laboratory for Molecular Diagnostic and Epidemiology of Reproductive Tract Infections</p></bio><bio xml:lang="ru"><p>к.б.н., н.с. лаборатории молекулярной диагностики и эпидемиологии инфекций органов репродукции</p></bio><email>gromova@cmd.su</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Skachkova</surname><given-names>Tatyana S.</given-names></name><name xml:lang="ru"><surname>Скачкова</surname><given-names>Татьяна Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Researcher, Laboratory for Molecular Diagnostic and Epidemiology of Reproductive Tract Infections</p></bio><bio xml:lang="ru"><p>с.н.с. лаборатории молекулярной диагностики и эпидемиологии инфекций органов репродукции</p></bio><email>skachkova@inbox.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Krysanova</surname><given-names>Anna A.</given-names></name><name xml:lang="ru"><surname>Крысанова</surname><given-names>Анна Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Researcher, Department of Medical Microbiology; Teaching Assistant, Department of Clinical Laboratory Diagnostics</p></bio><bio xml:lang="ru"><p>к.м.н., н.с. отдела медицинской микробиологии; ассистент кафедры клинической лабораторной диагностики</p></bio><email>krusanova.anna@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Savicheva</surname><given-names>Alevtina M.</given-names></name><name xml:lang="ru"><surname>Савичева</surname><given-names>Алевтина Михайловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Med. Sci., Professor, Head of the Department of Medical Microbiology; Head of the Department of Clinical Laboratory Diagnostics</p></bio><bio xml:lang="ru"><p>заслуженный деятель науки РФ, д.м.н., профессор, руководитель отдела медицинской микробиологии; заведующая кафедрой клинической лабораторной диагностики</p></bio><email>savitcheva@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">D.O. Ott Research Institute of Obstetrics, Gynecology, and Reproductology</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Научно-исследовательский институт акушерства, гинекологии и репродуктологии имени Д.О. Отта»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">St. Petersburg State Pediatric Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Санкт-Петербургский государственный педиатрический медицинский университет» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Central Research Institute of Epidemiology, Russian Federal Service for Surveillance on Consumer Rights Protection and Human Well-Being</institution></aff><aff><institution xml:lang="ru">ФБУН «Центральный научно-исследовательский институт эпидемиологии» Федеральной службы по надзору в сфере защиты прав потребителей и благополучия человека</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-04-18" publication-format="electronic"><day>18</day><month>04</month><year>2023</year></pub-date><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>87</fpage><lpage>97</lpage><history><date date-type="received" iso-8601-date="2023-04-16"><day>16</day><month>04</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-04-16"><day>16</day><month>04</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Bionika Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, ООО «Бионика Медиа»</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Bionika Media</copyright-holder><copyright-holder xml:lang="ru">ООО «Бионика Медиа»</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0300-9092/article/view/337990">https://journals.eco-vector.com/0300-9092/article/view/337990</self-uri><abstract xml:lang="en"><p><bold><italic>Objective:</italic></bold><italic> To develop a rapid urine test for beta-lactam resistance genes in uropathogenic Enterobacteriaceae and compare its diagnostic accuracy with that of the conventional culture method.</italic></p> <p><bold><italic>Materials and methods:</italic></bold><italic> This study analyzed 214 urine samples obtained from women of reproductive age. The susceptibility of the isolated uropathogens to antibiotics was examined using the disk diffusion susceptibility test. Quantitative PCR analysis of urine samples for significant bacteriuria was performed using the AmpliSense IMP-monitor-FL test (Central Research Institute of Epidemiology). Beta-lactam resistance genes were detected using BacResista GLA (DNA Technology), RESISTOM.OXA10, and RESISTOM.DHA (Litech) kits.</italic></p> <p><bold><italic>Results:</italic></bold><italic> According to the culture results, significant bacteriuria was detected in 111 women with Enterobacteriaceae accounting for the vast majority of the cases (94/111; 85%). The sensitivity and specificity of qPCR for the detection of significant bacteriuria (≥10</italic><italic><sup>4</sup></italic><italic> CFU/ml) were 93–100% and 90–100% for different uropathogens, respectively. Phenotypic and genotypic resistance to beta-lactams was detected in 33% (30/91) and 27% (25/91) of the Enterobacter isolates, respectively. The </italic><italic>β</italic><italic>-lactamase genes CTX-M, TEM, and DHA were detected in 14% (13/91), 20% (18/91), and 2% (2/91) of the isolates, respectively. All samples that tested negative for </italic><italic>β</italic><italic>-lactamase genes had a sensitive </italic><italic>β</italic><italic>-lactam phenotype. Detection of the </italic><italic>β</italic><italic>-lactam resistance genotype predicted a resistant phenotype with a sensitivity of 87%, specificity of 100%, and positive and negative predictive values of 100 and 94%, respectively.</italic></p> <p><bold><italic>Conclusion:</italic></bold><italic> The rapid urine PCR test for significant bacteriuria and beta-lactam resistance in uropathogenic Enterobacteriaceae was developed.</italic></p></abstract><trans-abstract xml:lang="ru"><p><bold><italic>Цель:</italic></bold><italic> Разработка способа быстрого анализа мочи на гены бета-лактамной резистентности уропатогенных энтеробактерий и определение его диагностических характеристик по сравнению с культуральным методом.</italic></p> <p><bold><italic>Материалы и методы:</italic></bold><italic> Было исследовано 214 проб мочи, полученных у женщин репродуктивного возраста. Чувствительность выделенных уропатогенов к антибиотикам исследовали диско-диффузионным методом. Для количественной ПЦР мочи на значимую бактериурию использовали набор реагентов «АмплиСенс ИМП-монитор-FL» (ЦНИИ эпидемиологии). Гены бета-лактамной резистентности выявляли с использованием наборов реагентов «БакРезиста GLA» («ДНК-Технология»), «РЕЗИСТОМ.OXA10» и «РЕЗИСТОМ.DHA» («Литех»).</italic></p> <p><bold><italic>Результаты:</italic></bold><italic> По результатам культурального исследования значимая бактериурия была обнаружена у 111 женщин. В подавляющем большинстве случаев (94/111; 85%) были выявлены энтеробактерии. Чувствительность и специфичность количественной ПЦР для выявления значимой бактериурии (≥10</italic><italic><sup>4</sup></italic><italic> КОЕ/мл) составили для разных уропатогенов 93–100% и 90–100% соответственно. Фенотипическая и генотипическая резистентность к бета-лактамам была выявлена в 33% (30/91) и 27% (25/91) изолятов энтеробактерий соответственно. Гены бета-лактамаз CTX-M, TEM и DHA выявлялись с частотой 14% (13/91), 20% (18/91) и 2% (2/91) соответственно. Все образцы с отрицательным тестом на гены бета-лактамаз имели чувствительный бета-лактамный фенотип. Выявление генотипа бета-лактамной резистентности предсказывало резистентный фенотип с чувствительностью 87%, специфичностью 100%, прогностической значимостью положительных и отрицательных результатов 100 и 94% соответственно.</italic></p> <p><bold><italic>Заключение:</italic></bold><italic> Разработан способ быстрого анализа мочи методом ПЦР на значимую бактериурию и бета-лактамную резистентность уропатогенных энтеробактерий.</italic></p></trans-abstract><kwd-group xml:lang="en"><kwd>significant bacteriuria</kwd><kwd>uropathogenic Enterobacteriaceae</kwd><kwd>beta-lactam antibiotics</kwd><kwd>beta-lactamases</kwd><kwd>beta-lactamase genes</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>значимая бактериурия</kwd><kwd>уропатогенные энтеробактерии</kwd><kwd>бета-лактамные антибиотики</kwd><kwd>бета-лактамазы</kwd><kwd>гены бета-лактамаз</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was conducted under the state assignment of the Ministry of Education and Science of the Russian Federation "Determination of clinically relevant bacteriuria and determinants of antibiotic resistance of urinary tract pathogens in pregnant women using molecular biology methods" (state registration number: АААА20-120041390029-7). AmpliSens BMI Monitor-FL and AmpliSens Florocenosis-Bacterial vaginosis test systems were provided by the Central Research Institute of Epidemiology.</funding-statement><funding-statement xml:lang="ru">Исследование выполнено в рамках госзадания Минобрнауки РФ «Определение клинически значимой бактериурии и детерминант антибиотикорезистентности возбудителей инфекций мочевыводящих путей у беременных женщин с применением молекулярно-биологических методов» (номер госрегистрации: АААА-А20–120041390029–7). Тест-системы «АмплиСенс ИМП-монитор-FL» и «АмплиСенс Флороценоз-Бактериальный вагиноз» были предоставлены ФБУН ЦНИИ эпидемиологии.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ansaldi Y., Martinez de Tejada Weber B. Urinary tract infections in pregnancy. Clin. Microbiol. 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