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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">antibiotics</journal-id><journal-title-group><journal-title xml:lang="ru">Антибиотики и Химиотерапия</journal-title><trans-title-group xml:lang="en"><trans-title>Antibiot Khimioter = Antibiotics and Chemotherapy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0235-2990</issn><publisher><publisher-name>ООО «Издательство ОКИ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37489/0235-2990-2022-67-3-4-23-28</article-id><article-id custom-type="elpub" pub-id-type="custom">antibiotics-909</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>ЭКСПЕРИМЕНТАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Experimental Research</subject></subj-group></article-categories><title-group><article-title>Активность биапенема в отношении меропенем-устойчивых Klebsiella pneumoniae и Pseudomonas aeruginosa</article-title><trans-title-group xml:lang="en"><trans-title>Biapenem Activity Against Meropenem-Resistant Klebsiella pneumoniae and Pseudomonas aeruginosa</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2326-7413</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гордина</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Gordina</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Гордина Екатерина Михайловна — к. м. н., старший научный сотрудник отделения профилактики и лечения раневой инфекции </p><p>Researcher ID: ABC-4794-2021. eLIBRARYSPIN-код: 9647-8565. Scopus Author ID: 57045942000 </p><p> ул. Академика Байкова, д. 8, 32,  г. Санкт-Петербург, 195427</p></bio><bio xml:lang="en"><p> Ekaterina M. Gordina — Ph. D. in medicine</p><p>ResearcherID: ABC-4794-2021. eLIBRARY SPIN-код:9647-8565. Scopus Author ID: 57045942000 </p><p>8–32 Akademika Baikova st., St. Petersburg, 195427 </p></bio><email xlink:type="simple">emgordina@win.rniito.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/0000-0002-2083-2424</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Божкова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bozhkova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Божкова Светлана Анатольевна — д. м. н., заведующаянаучным отделением профилактики и лечения раневойинфекции и отделением клинической фармакологии,профессор кафедры травматологии и ортопедии</p><p>Researcher ID: L-4594-2014. eLIBRARY SPIN-код: 3086-3694. Scopus Author ID: 55531713700 </p><p>ул. Академика Байкова, д. 8, 32,  г. Санкт-Петербург, 195427</p></bio><bio xml:lang="en"><p> Svetlana A. Bozhkova — D. Sc. in medicine</p><p>ResearcherID: L-4594-2014. eLIBRARY SPIN-код: 3086-3694. Scopus Author ID: 55531713700 </p><p>8–32 Akademika Baikova st., St. Petersburg, 195427 </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5009-3143</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шабанова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shabanova</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Шабанова Валентина Владимировна — врач-бактериолог </p><p> eLIBRARY SPIN-код: 1442-8136. </p><p>ул. Академика Байкова, д. 8, 32,  г. Санкт-Петербург, 195427</p></bio><bio xml:lang="en"><p> Valentina V. Shabanova — bacteriologist</p><p>eLIBRARY SPIN-код: 1442-8136 </p><p> 8–32 Akademika Baikova st., St. Petersburg, 195427 </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Национальный исследовательский центр травматологии и ортопедии им. Р. Р. Вредена»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vreden National Medical Research Center of Traumatology and Orthopedics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>05</day><month>08</month><year>2022</year></pub-date><volume>67</volume><issue>3-4</issue><fpage>23</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гордина Е.М., Божкова С.А., Шабанова В.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Гордина Е.М., Божкова С.А., Шабанова В.В.</copyright-holder><copyright-holder xml:lang="en">Gordina E.M., Bozhkova S.A., Shabanova V.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.antibiotics-chemotherapy.ru/jour/article/view/909">https://www.antibiotics-chemotherapy.ru/jour/article/view/909</self-uri><abstract><p>В настоящее время растёт разнообразие устойчивых штаммов с определённым набором механизмов резистентности, увеличивается частота их распространения. Одним из вариантов поиска оптимальных путей лечения тяжёлой инфекции, в том числе ортопедической, вызванной Klebsiella pneumoniae и Pseudomonas aeruginosa, является применение новых препаратов с возможной активностью в отношении резистентных штаммов.</p><p>Цель — сравнительная оценка антибактериальной активности биапенема в отношении меропенем-устойчивых K.pneumoniae и P.aeruginosa.</p><sec><title>Материал и методы</title><p>Материал и методы. В исследование включены 14 изолятов K.pneumoniae и 18 — P.aeruginosa, устойчивых к меропенему. Определение чувствительности к биапенему и меропенему проводили путём определения минимальных подавляющих концентраций (МПК) для каждого микроорганизма методом серийных разведений в соответствии с ГОСТ Р ИСО 20776-1-2010. Наличие генов карбапенемаз (MBL: VIM-, IMP- и NDM-типов; OXA-48; KPC) определяли методом ПЦР в режиме реального времени.</p></sec><sec><title>Результаты</title><p>Результаты. Максимальное значение МПК меропенема регистрировали у штамма K.pneumoniae, продуцирующего карбапенемазы NDM и OXA-48 — 512 мг/л, при этом МПК данного изолята для биапенема составила 256 мг/л. МПК50 меропенема — 16 мг/л, в тоже время данный показатель для биапенема был в 4 раза ниже. МПК90 P.aeruginosa для меропенема — 512 мг/л, биапенема — 256 мг/л. Среди всех устойчивых к меропенему штаммов, включённых в исследование, 28,6% изолятов K.pneumoniae и 22,2% – P.aeruginosa продемонстрировали чувствительность к биапенему, остальные были устойчивы к данному препарату либо чувствительны при увеличенной экспозиции.</p></sec><sec><title>Заключение</title><p>Заключение. Сравнительный анализ антибактериальной активности биапенама в отношении меропенем-устойчивых K.pneumoniae и P.aeruginosa показал, что МПК50/90 биапенема в несколько раз меньше, чем у меропенема. Для 25% изученных устойчивых к меропенему изолятов (4 — K.pneumoniae и 4 — P.aeruginosa) регистрировали наличие чувствительности к данному препарату, еще 34,8% (6 — K.pneumoniae и 5 — P.aeruginosa) штаммов были чувствительны при увеличенной экспозиции, что расширяет возможность применения препарата в лечении профильных пациентов.</p></sec></abstract><trans-abstract xml:lang="en"><p>Currently, the diversity of resistant strains with a certain set of resistance mechanisms is growing, and the frequency of their distribution is increasing. One of the options for finding optimal ways to treat severe infections, including orthopedic infections caused by Klebsiella pneumoniae and Pseudomonas aeruginosa, is the use of new drugs with possible activity against resistant strains.The aim of the study is comparative evaluation of biapenem antibacterial activity against meropenem-resistant K.pneumoniae and P.aeruginosa.Materials and Methods. A total of 14 K.pneumoniae and 18 P.aeruginosa isolates were included in the study. The determination of sensitivity to biapenem and meropenem was carried out via determining the minimum inhibitory concentrations (MIC) for each microorganism by the method of serial dilutions in accordance with ISO 20776-1-2010. Carbapenemases genes (MBL:VIM-, IMP- and NDM-types; OXA-48; KPC) were detected by commercially available real-time PCR.Results. The highest MIC value of meropenem was registered in the carbapenemase-producing K.pneumoniae strain (NDM and OXA-48) and amounted to 512 mg/l, while the MIC value of biapenem in this isolate was 256 mg/l. The MIC50 of meropenem was determined to be 16 mg/l, while in case of biapenem it was 4 mg/l. MIC90 of meropenem against P.aeruginosa was 512 mg/l, of biapenem — 256 mg/l. Among all meropenem-resistant strains included in this study, 28.6% K.pneumoniae and 22.2% P.aeruginosa isolates showed sensitivity to biapenem, the rest were resistant to this drug or sensitive at increased exposure.Conclusion. Comparative analysis of the antibacterial activity against meropenem-resistant K.pneumoniae and P.aeruginosa showed that MIC50/90 of biapenem is several times lower than that of meropenem. Sensitivity to this drug was recorded in 25% of the studied isolates resistant to meropenem (4 — K.pneumoniae and 4 — P.aeruginosa), which increases the possibility of using this drug in the treatment of patients with orthopedic infections.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>биапенем</kwd><kwd>меропенем</kwd><kwd>Klebsiella pneumonia</kwd><kwd>Pseudomonas aeruginosa</kwd></kwd-group><kwd-group xml:lang="en"><kwd>biapenem</kwd><kwd>meropenem</kwd><kwd>Klebsiella pneumonia</kwd><kwd>Pseudomonas aeruginosa</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">Gordillo Altamirano F.L., Barr J.J. Phage Therapy in the postantibiotic era. Clin Microbiol Rev. 2019; 32 (2): e00066-18. doi: 10.1128/CMR.00066-18.</mixed-citation><mixed-citation xml:lang="en">Gordillo Altamirano F.L., Barr J.J. Phage Therapy in the postantibiotic era. 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