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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">genort</journal-id><journal-title-group><journal-title xml:lang="ru">Гений ортопедии</journal-title><trans-title-group xml:lang="en"><trans-title>Genij Ortopedii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-4427</issn><issn pub-type="epub">2542-131X</issn><publisher><publisher-name>ЦЕНТР ИЛИЗАРОВА</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18019/1028-4427-2025-31-3-361-371</article-id><article-id custom-type="elpub" pub-id-type="custom">genort-3255</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>Экспериментальное изучение условий импрегнации для получения пролонгированной антимикробной активности оригинального остеопластического материала на основе губчатой аллокости</article-title><trans-title-group xml:lang="en"><trans-title>Experimental study of impregnation conditions for sustained antimicrobial activity of the original osteoplastic material based on cancellous bone allograft</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9004-5952</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Антипов</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Antipov</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Павлович Антипов — врач — травматолог-ортопед</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Alexander P. Antipov — orthopedic surgeon</p><p>St. Petersburg</p></bio><email xlink:type="simple">a.p.antipov@yandex.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>Светлана Анатольевна Божкова — доктор медицинских наук, заведующая отделением, профессор кафедры</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Svetlana A. Bozhkova — Doctor of Medical Sciences, Head of the Department, Professor of the Department</p><p>St. Petersburg</p></bio><email xlink:type="simple">clinpharm-rniito@yandex.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/0000-0003-2326-7413</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>Екатерина Михайловна Гордина — кандидат медицинских наук, старший научный сотрудник</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Ekaterina M. Gordina — Candidate of Medical Sciences, senior researcher</p><p>St. Petersburg</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/0009-0001-6113-0277</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гаджимагомедов</surname><given-names>М. Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Gadzhimagomedov</surname><given-names>M. Sh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магомед Шамильевич Гаджимагомедов — аспирант, врач — травматолог-ортопед</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Magomed Sh. Gadzhimagomedov — postgraduate student, orthopaedic surgeon</p><p>St. Petersburg</p></bio><email xlink:type="simple">orthopedist8805@yandex.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/0000-0001-8573-1096</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кочиш</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kochish</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Александрович Кочиш — кандидат медицинских наук, врач — травматолог-ортопед</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Andrey A. Kochish — Candidate of Medical Sciences, orthopaedic surgeon</p><p>St. Petersburg</p></bio><email xlink:type="simple">kochishman@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр травматологии и ортопедии имени 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>2025</year></pub-date><pub-date pub-type="epub"><day>28</day><month>06</month><year>2025</year></pub-date><volume>31</volume><issue>3</issue><fpage>361</fpage><lpage>371</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Антипов А.П., Божкова С.А., Гордина Е.М., Гаджимагомедов М.Ш., Кочиш А.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Антипов А.П., Божкова С.А., Гордина Е.М., Гаджимагомедов М.Ш., Кочиш А.А.</copyright-holder><copyright-holder xml:lang="en">Antipov A.P., Bozhkova S.A., Gordina E.M., Gadzhimagomedov M.S., Kochish 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://www.ilizarov-journal.com/jour/article/view/3255">https://www.ilizarov-journal.com/jour/article/view/3255</self-uri><abstract><p>Введение. Локальная антибиотикотерапия является перспективным методом профилактики и лечения периимплантной инфекции, однако существующие системы доставки антибиотиков имеют ряд ограничений.Цель работы — определить в эксперименте in vitro оптимальные параметры давления, времени экспозиции и типа растворителя для обеспечения пролонгированной элюции ванкомицина из оригинального остеозамещающего материала на основе губчатой аллокости.Материалы и методы. Исследовано семь методик импрегнации с различными комбинациями параметров: давление — от атмосферного до пониженного (7–10 hPa), время — от 5 мин. до 24 ч., растворитель (дистиллированная вода, 50 % раствор этанола, комбинация 50 % этанола с 5 % поливинилпирролидоном (ПВП)). Эффективность оценивали по изменению диаметра зоны подавления S. aureus ATCC 43300 бактериологическим методом и динамике концентрации ванкомицина в элюате методом высокоэффективной жидкостной хроматографии (ВЭЖХ). Статистический анализ выполняли с применением метода ANOVA с post-hoc тестом Тьюки, корреляции — методом Спирмена и путем расчета площади под фармакокинетической кривой.Результаты. Наибольшую эффективность продемонстрировала методика с использованием пониженного давления, 60-минутной экспозиции и спиртового раствора с ПВП, обеспечившая пролонгированное высвобождение ванкомицина до 14 дн. с максимальной площадью под кривой элюции (301364,70) и высокой корреляцией между концентрацией антибиотика и зоной подавления роста (r = 0,908, p &lt; 0,001). Давление оказалось наиболее значимым фактором (F = 19,9916, p &lt; 0,0001), за ним следовали тип растворителя (F = 7,7485, p = 0,0006) и время импрегнации (F = 6,8084, p = 0,0014).Обсуждение. В отличие от традиционных методов локальной антибиотикотерапии, имеющих ограниченную эффективность (3–7 дн.), разработанная методика с использованием пониженного давления и спиртового раствора с ПВП обеспечивает пролонгированное высвобождение ванкомицина до 14 дн. Преимуществом предложенного подхода является более равномерная кинетика элюции по сравнению с полиметилметакрилатом и биодеградируемыми носителями, демонстрирующими резкий начальный выброс антибиотика. Комплементарное использование микробиологического метода и ВЭЖХ подтвердило сохранение антимикробной активности ванкомицина после импрегнации, что принципиально важно для обеспечения терапевтического эффекта.Заключение. Экспериментально установлено, что оптимальными параметрами для обеспечения пролонгированной элюции ванкомицина из остеозамещающего материала на основе губчатой аллокости являются пониженное давление (7–10 hPa), время экспозиции 60 мин. и использование 50 % этанола с 5 % ПВП в качестве растворителя.</p></abstract><trans-abstract xml:lang="en"><p>Introduction Local antibiotic therapy is used to prevent and treat periprosthetic joint infection, but the available antibiotic delivery systems have some limitations.The objective was to determine optimal parameters of pressure, exposure time and type of solvent to ensure prolonged elution of vancomycin from the original osteosubstituting material based on cancellous allograft bone using an in vitro experiment.Material and methods Seven impregnation techniques with different combinations of parameters were examined including pressure: from atmospheric to reduced (7–10 hPa), time: from 5 minutes to  24 hours, solvent (distilled water, 50 % ethanol solution, a combination of 50 % ethanol and 5 % polyvinylpyrrolidone (PVP)). The efficacy was assessed by changes in the diameter of the S. aureus ATCC 43300 inhibition zone using  the  bacteriological method and the dynamics of vancomycin concentrationin the eluate and high‑performance liquid chromatography (HPLC). Statistical analysis was performed using the ANOVA method, Tukey's post-hoc test, Spearman's rank correlation and calculation of the area under the pharmacokinetic curve.Results The best efficiency was demonstrated by the method employing reduced pressure, 60-minute exposure and  an  alcohol solution with PVP, which provided prolonged release of  vancomycin for  14 days with the maximum area under the elution curve (301364.70) and a high correlation between the concentration of  the  antibiotic and the growth inhibition zone (r = 0.908, p &lt; 0.001). The pressure was found to  be the  most  significant factor (F = 19.9916, p &lt; 0.0001), followed by solvent type (F = 7.7485, p = 0.0006) and impregnation time (F = 6.8084, p = 0.0014).Discussion The technique with use of reduced pressure and an alcohol solution with PVP provides prolonged release of vancomycin for 14 days as opposed to conventional local antibiotic therapy with limited effectiveness of  3 to  7  days. The advantage of the approach includes uniform elution kinetics compared to  polymethyl methacrylate and biodegradable carriers, which demonstrate a sharp initial release of the antibiotic. The complementary use of the microbiological method and HPLC indicated antimicrobialactivity of vancomycin maintained after impregnation being essential for the therapeutic effect.Conclusion It has been experimentally established that reduced pressure (7–10 hPa), an exposure time of 60 min and the use of 50 % ethanol with 5 % PVP as a solvent appeared to be the optimal parameters for  ensuring prolonged elution of vancomycin from an osteosubstituting material based on cancellous allograft bone.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>остеозамещающий материал</kwd><kwd>импрегнация</kwd><kwd>ванкомицин</kwd><kwd>локальная антибиотикотерапия</kwd><kwd>элюция антибиотика</kwd><kwd>периимплантная инфекция</kwd><kwd>MRSA</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bone-substituting material</kwd><kwd>impregnation</kwd><kwd>vancomycin</kwd><kwd>local antibiotic therapy</kwd><kwd>antibiotic elution</kwd><kwd>periprosthetic joint infection</kwd><kwd>MRSA</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Финансирование работы осуществлялось в рамках Государственного задания Nº 056‑00030- 24 «Совершенствование лечения пациентов с остеомиелитом и периимплантной инфекцией с использованием оригинального лиофилизированного остеопластического материала с пролонгированной антимикробной активностью».</funding-statement><funding-statement xml:lang="en">The work was funded within the framework of State Assignment No. 056-00030-24 "Improving the  treatment of patients with osteomyelitis and peri-implant infection using original lyophilized osteoplastic material with prolonged antimicrobial activity".</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Masters EA, Ricciardi BF, Bentley KLM, et al. 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