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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">10.18019/1028-4427-2026-32-4-540-551</article-id><article-id custom-type="elpub" pub-id-type="custom">genort-3531</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>Оценка применения костнозамещающего материала на основе полимеров полиуретанового ряда при лечении пациентов с хроническим остеомиелитом (экспериментально-морфологическое исследование)</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of bone substitute material based on polyurethane polymers for treatment of chronic osteomyelitis (experimental morphological study)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2602-2457</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Судницын</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Sudnitsyn</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анатолий Сергеевич Судницын — кандидат медицинских наук, врач — травматолог-ортопед, заведующий научной лабораторией.</p><p>Курган</p></bio><bio xml:lang="en"><p>Anatolii S. Sudnitsyn — Candidate of Medical Sciences, Orthopaedic Surgeon, Head of the Scientific Laboratory.</p><p>Kurgan</p></bio><email xlink:type="simple">anatol_anatol@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/0000-0003-3434-0372</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ступина</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Stupina</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Анатольевна Ступина — доктор биологических наук, ведущий научный сотрудник.</p><p>Курган</p></bio><bio xml:lang="en"><p>Tatyana A. Stupina — Doctor of Biological Sciences, Leading Researcher.</p><p>Kurgan</p></bio><email xlink:type="simple">StupinaSTA@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/0000-0001-9974-2204</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дюрягина</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dyuryagina</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Владимировна Дюрягина — кандидат ветеринарных наук, заведующая экспериментальной лабораторией.</p><p>Курган</p></bio><bio xml:lang="en"><p>Olga V. Dyuryagina — Candidate of Veterinary Sciences, Head of the Experimental Laboratory.</p><p>Kurgan</p></bio><email xlink:type="simple">diuriagina@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/0000-0002-1322-608X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тушина</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tushina</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Владимировна Тушина — кандидат биологических наук, старший научный сотрудник.</p><p>Курган</p></bio><bio xml:lang="en"><p>Natalya V. Tushina — Candidate of Biological Sciences, Senior Researcher.</p><p>Kurgan</p></bio><email xlink:type="simple">ntushina76@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/0000-0001-5430-2045</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Варсегова</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Varsegova</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Николаевна Варсегова — кандидат биологических наук, ведущий научный сотрудник.</p><p>Курган</p></bio><bio xml:lang="en"><p>Tatyana N. Varsegova — Candidate of Biological Sciences, Leading Researcher.</p><p>Kurgan</p></bio><email xlink:type="simple">varstn@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/0000-0002-7494-8342</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кубрак</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kubrak</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Надежда Владимировна Кубрак — старший научный сотрудник.</p><p>Курган</p></bio><bio xml:lang="en"><p>Nadezhda V. Kubrak — Senior Researcher.</p><p>Kurgan</p></bio><email xlink:type="simple">kubrak2@mail.ru</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 академика Г.А. Илизарова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ilizarov National Medical Research Centre for Traumatology and Orthopedics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>18</day><month>08</month><year>2026</year></pub-date><volume>32</volume><issue>4</issue><fpage>540</fpage><lpage>551</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Судницын А.С., Ступина Т.А., Дюрягина О.В., Тушина Н.В., Варсегова Т.Н., Кубрак Н.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Судницын А.С., Ступина Т.А., Дюрягина О.В., Тушина Н.В., Варсегова Т.Н., Кубрак Н.В.</copyright-holder><copyright-holder xml:lang="en">Sudnitsyn A.S., Stupina T.A., Dyuryagina O.V., Tushina N.V., Varsegova T.N., Kubrak N.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.ilizarov-journal.com/jour/article/view/3531">https://www.ilizarov-journal.com/jour/article/view/3531</self-uri><abstract><sec><title>Введение</title><p>Введение. Лечение пациентов с постостеомиелитическими дефектами представляет собой одну из сложных задач современной травматологии и ортопедии.</p><p>Цель работы — на экспериментальной модели обосновать возможность применения частично биорезорбируемого материала «Рекост» в комбинации с антибиотиком для замещения остеомиелитических полостей.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследование выполнено на девяти кроликах-самцах породы советская шиншилла (16–18 месяцев, 4,3–4,5 кг), которым в проксимальном метафизе большеберцовой кости моделировали остеомиелит путем формирования трепанационного отверстия и установки блока «Остеолит®», содержащего культуру Staphylococcus aureus. Животные распределены на три группы. Животных группы 1 выводили из опыта через 21 сутки моделирования остеомиелита. В группах 2 и 3 вторым этапом выполняли секвестрнекрэктомию и замещение костного дефекта материалом «Рекост» (ООО «АйконЛабГмбх», Нижний Новгород, РЗН 2014/1646 от 03.07.2014, бессрочно), с добавлением антибиотика в группе 3. Животных выводили из опыта через 21 сутки после имплантации. Применяли клинический, рентгенологический, биохимический и гистологический методы исследования.</p></sec><sec><title>Результаты</title><p>Результаты. В группе 1 зарегистрированы признаки остеомиелита: некротизированные фрагменты костных трабекул, воспалительный инфильтрат, остеокластическая резорбция и остеогенез, фиброз костного мозга, выраженная экспрессия CD15. В группах 2 и 3 через три недели после имплантации отмечали наличие сети новообразованных костных трабекул на границе контакта «кость — материал», в полостях имплантата выявляли костные трабекулы. В эпифизе в группе 2 оценка по шкале HOES ≥ 6 баллов соответствовала активному течению хронического остеомиелита. В группе 3 медиана оценки по шкале HOES 2 балла свидетельствовала о стихании хронического остеомиелита, экспрессия маркера CD15 была менее выражена, чем в группе 2. Уровень С-реактивного белка в группе 2 продолжал расти, в группе 3 — существенно снижался.</p></sec><sec><title>Обсуждение</title><p>Обсуждение. Биорезорбируемые имплантаты, насыщенные антибиотиком, обеспечивают постепенное замещение материала костной тканью, исключают необходимость повторных операций, снижают риск хронизации инфекции, биосовместимы.</p></sec><sec><title>Заключение</title><p>Заключение. На экспериментальной модели in vivo через три недели после имплантации отмечена минимальная деградация материала «Рекост», выражающаяся высокой частотой гигантских многоядерных клеток типа инородных тел. Выявленные в ранние сроки эксперимента данные об остеопластических свойствах материала «Рекост» и его способности в комбинации с антибиотиком купировать инфекционно-воспалительный процесс свидетельствуют о перспективе проведения дальнейших экспериментальных исследований применения данного изделия при лечении пациентов с хроническим остеомиелитом.</p></sec></abstract><trans-abstract xml:lang="en"><p>Introduction Treatment of patients with post-osteomyelitic defects is one of the most challenging areas in traumatology and orthopedics.</p><p>Purpose To substantiate, on an experimental model, the potential of a partially bioresorbable material Rekost used to compensate for osteomyelitic cavities in combination with an antibiotic.</p><p>Materials and methods The study was performed on nine male Soviet Chinchilla rabbits (16–18 months old, 4.3–4.5 kg of weight), in which osteomyelitis was modeled in the proximal metaphysis of the tibia by producing a trepanation hole and installing an Osteolite™ containing a Staphylococcus aureus culture. The animals were divided into three groups. Animals in group 1 were withdrawn from the experiment after 21 days of osteomyelitis modeling. In groups 2 and 3, the second stage included sequestronecrectomy and substitution of the bone defect thus formed with Rekost material (OOO AikonLabGmbh, Nizhny Novgorod, RZN 2014/1646 dated 03.07.2014, for indefinite) impregnated with an antibiotic in group 3. After 21 days of implantation, the animals were withdrawn from the experiment. Clinical, radiological, biochemical and histological methods were used.</p><p>Results In Group 1, signs of osteomyelitis were recorded: necrotic fragments of bone trabeculae, inflammatory infiltrate, osteoclastic resorption and osteogenesis, bone marrow fibrosis, and pronounced CD15 expression. In groups 2 and 3, three weeks after implantation, a network of newly formed bone trabeculae at the bone-material interface was noted, and bone trabeculae were observed in the implant cavities. In the epiphysis of group 2, a HOES score of ≥ 6 points corresponded to active chronic osteomyelitis. In group 3, a median HOES score of 2 points indicated a remission of chronic osteomyelitis, and CD15 marker expression was less pronounced than in group 2. C-reactive protein levels continued to increase in Group 2 and significantly decreased in Group 3.</p><p>Discussion Bioresorbable implants, impregnated with antibiotics, provide gradual replacement of the material with bone tissue, eliminate the need for repeated surgeries, reduce the risk of chronic infection, and are biocompatible.</p><p>Conclusion In an in vivo experimental model, minimal degradation of the Rekost material was observed three weeks after implantation, manifested by highly frequent foreign-body-type giant multinucleated cells. Early data on the osteoplastic properties of the Rekost material and its ability to suppress infection and inflammation in combination with an antibiotic suggest the potential for further experimental studies of this product to be used in the treatment of patients with chronic osteomyelitis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>хронический остеомиелит</kwd><kwd>костные дефекты</kwd><kwd>костнозамещающий материал «Рекост»</kwd><kwd>антибиотики</kwd><kwd>гистология</kwd></kwd-group><kwd-group xml:lang="en"><kwd>coronary osteomyelitis</kwd><kwd>bone defects</kwd><kwd>Recost bone-substituting material</kwd><kwd>antibiotics</kwd><kwd>histology</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках темы государственного задания на осуществление научных исследований «Разработка временных биорезорбируемых антибактериальных носителей для замещения постостеомиелитических дефектов костей нижних конечностей» (2024–2026 гг.) И226011500168-2/226012122881-3</funding-statement><funding-statement xml:lang="en">The work was carried out within the framework of the state assignment for the implementation of scientific research "Development of temporary bioresorbable antibacterial carriers forfilling post-osteomyelitic defects of the lower extremity bones" (2024–2026) I226011500168-2/226012122881-3</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">Макаров И.В., Ладонин С.В., Бондарева Д.А. Хирургическое лечение пациента с остеомиелитом бедренной кости с использованием предоперационного 3D-моделирования и аппаратно-программного комплекса «Автоплан». Наука и инновации в медицине. 2026;11(1):77-81. doi: 10.35693/SIM680158.</mixed-citation><mixed-citation xml:lang="en">Makarov IV, Ladonin SV, Bondareva DA. 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