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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">10.18019/1028-4427-2023-29-6-609-614</article-id><article-id custom-type="edn" pub-id-type="custom">EKWKXK</article-id><article-id custom-type="elpub" pub-id-type="custom">genort-2892</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>Изучение биологической фиксации индивидуальных имплантатов при замещении посттравматических деформаций и дефектов вертлужной впадины</article-title><trans-title-group xml:lang="en"><trans-title>Biological fixation of customized implants for post-traumatic acetabular deformities and defects</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Базлов</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bazlov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вячеслав Александрович Базлов – кандидат медицинских наук, врач травматолог-ортопед, научный сотрудник</p></bio><bio xml:lang="en"><p>Vyacheslav A. Bazlov – Candidate of Medical Sciences, researcher, orthopedic traumatologist</p></bio><email xlink:type="simple">sbazlov@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/0000-0003-1197-556X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пронских</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pronskikh</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Андреевич Пронских – кандидат медицинских наук, врач травматолог-ортопед, научный сотрудник</p></bio><bio xml:lang="en"><p>Aleksandr A. Pronskikh – Candidate of Medical Sciences, researcher, orthopedic traumatologist</p></bio><email xlink:type="simple">Proal_88@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/0000-0001-9231-5891</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корыткин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Korytkin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Александрович Корыткин – кандидат медицинских наук, директор</p></bio><bio xml:lang="en"><p>Andrey A. Korytkin – Candidate of Medical Sciences, Director</p></bio><email xlink:type="simple">andrey.korytkin@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8891-535X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мамуладзе</surname><given-names>Т. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamuladze</surname><given-names>T. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тариэл Зурабович Мамуладзе – научный сотрудник, врач травматолог-ортопед</p></bio><bio xml:lang="en"><p>Tariel Z. Mamuladze – researcher, orthopedic traumatologist</p></bio><email xlink:type="simple">gromadina@inbox.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/0000-0003-1516-7877</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ефименко</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Efimenko</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Максим Владимирович Ефименко – научный сотрудник, врач травматолог-ортопед</p></bio><bio xml:lang="en"><p>Maksim V. Efimenko – researcher, orthopedic traumatologist</p></bio><email xlink:type="simple">gromadina@inbox.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/0000-0002-8997-7330</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Павлов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pavlov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виталий Владимирович Павлов – доктор медицинских наук, врач травматолог-ортопед, начальник отдела</p></bio><bio xml:lang="en"><p>Vitaliy V. Pavlov – Doctor of Medical Sciences, Head of the Department</p></bio><email xlink:type="simple">pavlovdoc@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Новосибирский научно-исследовательский институт травматологии и ортопедии им. Я.Л. Цивьяна</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tsivyan Novosibirsk Research Institute of Traumatology and Orthopedics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>28</day><month>12</month><year>2023</year></pub-date><volume>29</volume><issue>6</issue><fpage>609</fpage><lpage>614</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Базлов В.А., Пронских А.А., Корыткин А.А., Мамуладзе Т.З., Ефименко М.В., Павлов В.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Базлов В.А., Пронских А.А., Корыткин А.А., Мамуладзе Т.З., Ефименко М.В., Павлов В.В.</copyright-holder><copyright-holder xml:lang="en">Bazlov V.A., Pronskikh A.A., Korytkin A.A., Mamuladze T.Z., Efimenko M.V., Pavlov 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.ilizarov-journal.com/jour/article/view/2892">https://www.ilizarov-journal.com/jour/article/view/2892</self-uri><abstract><sec><title>Введение</title><p>Введение. Ежегодно число оперативных вмешательств с применением аддитивных технологий растет как в российской медицине, так и в мировой практике. С появлением возможности печати индивидуальных имплантатов сократилось использование стандартных (импортных) конструкций в среднем на 7 % в рамках оказания высокотехнологичной медицинской помощи. Однако вопрос размера пор индивидуального имплантата при замещении посттравматических дефектов области вертлужной впадины остается открытым.</p></sec><sec><title>Цель</title><p>Цель. Оценить результаты лечения пациентов с посттравматическими дефектами и деформациями вертлужной впадины с внедрением в клиническую практику индивидуальных имплантатов со структурой и размером пористой поверхности, оптимальными с точки зрения биологической фиксации.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Имплантаты с различными типами пористой структуры производились методом прямого лазерного спекания из порошков титанового сплава Ti-6Al-4V. Проведена экспериментальная работа in vitro по определению способности проникновения живых фибробластов в структуру пор различной величины. Затем проведена клиническая часть исследования с целью определения признаков биологической фиксации индивидуальных имплантатов в области вертлужной впадины у группы пациентов (n = 30).</p></sec><sec><title>Результаты</title><p>Результаты. Результаты эксперимента по изучению проникновения живых фибробластов в пористую структуру имплантатов с различным размером пор показали, что металлоконструкции с размером пор 400-499 мкм можно выделить из всех остальных, поскольку при данном размере пор проникновение живых фибробластов в структуру поверхности имплантата наибольшее. Замещение дефектов костной ткани в области вертлужной впадины с использованием индивидуальных имплантатов, имеющих поверхность в виде сетчатой пористой структуры (400-499 мкм), показало наличие признаков биологической фиксации в окружающей индивидуальный имплантат костной ткани у группы исследуемых спустя 12 месяцев.</p></sec><sec><title>Обсуждение</title><p>Обсуждение. Анализ литературных данных показывает, что единого мнения по оптимальной структуре и размеру пор индивидуального имплантата не существует. В нашей работе мы исследовали способность проникновения живых фибробластов человека в структуру поверхности индивидуального имплантата, в результате чего определили оптимальный размер пор – 400-499 мкм. Необходимо отметить, что данное исследование проводилось в пределах узкой анатомической локализации – вертлужной впадины, соответственно, нельзя исключать, что полученные данные актуальны и для других анатомических зон.</p></sec><sec><title>Заключение</title><p>Заключение. Замещение дефектов костей области вертлужной впадины индивидуальными имплантатами с размером пор 400-499 мкм является оправданным и актуальным методом. Обязательным условием использования таких имплантатов является строгое соблюдение показаний к их применению, тщательное предоперационное планирование и правильное позиционирование.</p></sec></abstract><trans-abstract xml:lang="en"><p>Introduction The number of surgical interventions using additive technologies in medicine has been growing both in Russia and with every year. Due to the development of printing customized implants, the use of standard (imported) designs has decreased by an average of 7 % in the provision of high-tech medical care. However, the issue of the pore size of customized implants for management of post-traumatic defects in the acetabulum remains open.</p><p>Objective To evaluate the results of the treatment of patients with post-traumatic acetabulum defects and deformities with the implementation in clinical practice of customized implants with structure and size porous surface that are optimal from the point of view of biological fixation.</p><p>Material and methods Porous implants with different types of porous structure were produced by direct laser sintering using Ti-6Al-4V titanium alloy powders. Experimental work was carried out in vitro to determine the ability of living fibroblasts to penetrate the pores of different sizes. Next, the clinical part of this study was conducted in order to determine the signs of biological fixation of customized acetabular implants in a group of patients (n = 30).</p><p>Results The results of this experiment performed to analyze the penetration of living fibroblasts into the porous structure of implants with different pore size demonstrated that metal structures with a pore size of 400-499 μm can be singled out from all others.</p><p> Discussion Analysis of the literature data shows that there is no consensus on the structure and size of the pores of a customized implant. In our work, we investigated the ability of human living fibroblasts to penetrate into the surface structure of a customized implant, as a result of which we determined their optimal pore size of 400-499 microns. It should be noted that this study was conducted for a definite anatomical location: the acetabulum. However, it cannot be excluded that the data obtained are relevant for other anatomical locations.</p><p>Conclusion Management of bone defects in the acetabulum area with customized implants featuring the surface pore size of 400-499 microns is a justified and relevant method. A prerequisite for the use of such implants is strict compliance with the indications for their use, careful preoperative planning and correct positioning.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>индивидуальный имплантат</kwd><kwd>пористая поверхность</kwd><kwd>структура пор</kwd><kwd>технология 3D-печати</kwd></kwd-group><kwd-group xml:lang="en"><kwd>individual implant</kwd><kwd>porous surface</kwd><kwd>pore structure</kwd><kwd>3D printing technology</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was conducted within the framework of the state task "Improvement of diagnostic methods, preoperative planning and surgical treatment of patients with severe arthrosis of large joints, deformities and consequences of injuries of the lower extremities using additive technologies" (R&amp;D state registration number 121051100289-0).</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">Laird A, Keating JF. 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