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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">Traumatology and Orthopedics of Russia</journal-id><journal-title-group><journal-title xml:lang="en">Traumatology and Orthopedics of Russia</journal-title><trans-title-group xml:lang="ru"><trans-title>Травматология и ортопедия России</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2311-2905</issn><issn publication-format="electronic">2542-0933</issn><publisher><publisher-name xml:lang="en">Vreden National Medical Research Center of Traumatology and Orthopedics</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">17564</article-id><article-id pub-id-type="doi">10.17816/2311-2905-17564</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Theoretical and experimental studies</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Теоретические и экспериментальные исследования</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="zh"><subject>Theoretical and experimental studies</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">Impaction bone grafting for acetabular bone defects replacement in revision hip arthroplasty: biomechanical aspects</article-title><trans-title-group xml:lang="ru"><trans-title>Замещение дефектов вертлужной впадины методом импакционной костной пластики при ревизионном эндопротезировании тазобедренного сустава: биомеханические аспекты</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title/></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5047-2060</contrib-id><name-alternatives><name xml:lang="en"><surname>Golnik</surname><given-names>Vadim N.</given-names></name><name xml:lang="ru"><surname>Гольник</surname><given-names>Вадим Николаевич</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vgolnik@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6850-995X</contrib-id><name-alternatives><name xml:lang="en"><surname>Fedorova</surname><given-names>Natalia V.</given-names></name><name xml:lang="ru"><surname>Фёдорова</surname><given-names>Наталья Виталиевна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Tech.)</p></bio><bio xml:lang="ru"><p>канд. техн. наук</p></bio><email>veter-nata@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7306-9522</contrib-id><name-alternatives><name xml:lang="en"><surname>Larichkin</surname><given-names>Alexey Y.</given-names></name><name xml:lang="ru"><surname>Ларичкин</surname><given-names>Алексей Юрьевич</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Phys.-Math.)</p></bio><bio xml:lang="ru"><p>канд. физ.-мат. наук</p></bio><email>larichking@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1478-0533</contrib-id><name-alternatives><name xml:lang="en"><surname>Boyko</surname><given-names>Svetlana V.</given-names></name><name xml:lang="ru"><surname>Бойко</surname><given-names>Светлана Владимировна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Phys.-Math.)</p></bio><bio xml:lang="ru"><p>канд. физ.-мат. наук</p></bio><email>boykosv.hydro@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1018-5059</contrib-id><name-alternatives><name xml:lang="en"><surname>Panchenko</surname><given-names>Andrey A.</given-names></name><name xml:lang="ru"><surname>Панченко</surname><given-names>Андрей Александрович</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>andrey.a.panchenko@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-8973-172X</contrib-id><name-alternatives><name xml:lang="en"><surname>Kosinov</surname><given-names>Alexandr M.</given-names></name><name xml:lang="ru"><surname>Косинов</surname><given-names>Александр Михайлович</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kos.alexander@bk.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2386-4421</contrib-id><name-alternatives><name xml:lang="en"><surname>Peleganchuk</surname><given-names>Vladimir A.</given-names></name><name xml:lang="ru"><surname>Пелеганчук</surname><given-names>Владимир Алексеевич</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>д-р мед. наук</p></bio><email>297501@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8997-7330</contrib-id><name-alternatives><name xml:lang="en"><surname>Pavlov</surname><given-names>Vitaliy V.</given-names></name><name xml:lang="ru"><surname>Павлов</surname><given-names>Виталий Викторович</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>д-р мед. наук</p></bio><email>pavlovdoc@mail.ru</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Federal Center of Traumatology, Orthopedics and Arthroplasty</institution></aff><aff><institution xml:lang="ru">ФГБУ «Федеральный центр травматологии, ортопедии и эндопротезирования» Минздрава России</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Lavrentyev Institute of Hydrodynamics SB RAS</institution></aff><aff><institution xml:lang="ru">ФГБУН «Институт гидродинамики им. М.А. Лаврентьева» СО РАН</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">LOGEEKS MS LLC</institution></aff><aff><institution xml:lang="ru">OОО «ЛOГИКС Медицинские системы»</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Novosibirsk Research Institute of Traumatology and Orthopedics n.a. Ya.L. Tsivyan</institution></aff><aff><institution xml:lang="ru">ФГБУ «Новосибирский научно-исследовательский институт травматологии и ортопедии им. Я.Л. Цивьяна» Минздрава России</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-11-05" publication-format="electronic"><day>05</day><month>11</month><year>2024</year></pub-date><pub-date date-type="pub" iso-8601-date="2024-12-18" publication-format="electronic"><day>18</day><month>12</month><year>2024</year></pub-date><volume>30</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>101</fpage><lpage>113</lpage><history><date date-type="received" iso-8601-date="2024-06-03"><day>03</day><month>06</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-08-05"><day>05</day><month>08</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Эко-Вектор</copyright-statement><copyright-statement xml:lang="zh">Copyright ©; 2024,</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journal.rniito.org/jour/article/view/17564">https://journal.rniito.org/jour/article/view/17564</self-uri><abstract xml:lang="en"><p><bold>Background. </bold>The leading role in long-term survival of the prosthesis installed using impaction bone grafting is given to the mechanical properties of the graft.</p> <p><bold>The aim of the study </bold>is to explore the mechanical properties of osteoplastic material and determine the potential impact of cyclic loads on dynamic changes in the position of the acetabular component after revision hip arthroplasty using impaction bone grafting.</p> <p><bold>Methods. </bold>We conducted an experiment evaluating the impact of cyclic loads on the mechanical properties of osteoplastic material. At the first stage, a single-cycle tension-compression testing was carried out. Cyclic tests were carried out at the second stage of the experiment. Taking into account the presence of blood in the wound, we provided for a model with an aqueous solution of 45% glycerin. Clinical interpretation of biomechanics was carried out basing on the dynamic radiography data of two patients who underwent revision hip arthroplasty with the use of impaction bone grafting (IBG). The changes in the position of the rotation center and acetabular component were assessed.</p> <p><bold>Results. </bold>During a single-cycle loading, we observed stress-strain dependences and instantaneous elastic moduli for each specimen. During cyclic tests, we obtained the increase of the instantaneous elastic modulus by 2.6 times for a “dry” specimen and from 3.9 to 4.7 times for the ones with liquid. X-rays of both patients showed the shift of the center rotation cranially and laterally: 2.4 and 1.5 mm in the first case and 14.9 and 9.5 mm in the second one, respectively. In the first case the change in the inclination was 18.7º, in the second case — 19.8º. The Hip Harris Score (HHS) was 97 points for the first patient, 53 points — for the second one.</p> <p><bold>Conclusions.</bold> The material used for IBG is subject to deformation both in the intraoperative and postoperative period. Compression tests have suggested that the deformation of morselized impacted bone graft gradually tends to reach a plateau in the postoperative period, and with the completion of the deformation, migration of the acetabular component stops. The change in the position of the rotation center and acetabular component in the absence of a radiolucent line is not an absolute sign of loosening.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Актуальность.</bold> Важное значение для обеспечения длительной выживаемости эндопротезов, установленных с применением импакционной костной пластики, имеют механические свойства трансплантата.</p> <p><bold>Цель исследования</bold> — изучить механические свойства костно-пластического материала и определить возможное влияние циклических нагрузок на изменение пространственного положения тазового компонента после ревизионного эндопротезирования тазобедренного сустава с использованием импакционной костной пластики.</p> <p><bold>Материал и методы. </bold>Проведен эксперимент по оценке влияния циклических нагрузок на механические свойства костно-пластического материала. Первым этапом проведены испытания на одноцикловое стесненное сжатие, вторым этапом выполнены циклические испытания. С учетом присутствия в ране крови была предусмотрена модель с добавлением 45% водного раствора глицерина. Клиническая интерпретация механических явлений проводилась на основании данных рентгенографии в динамике у двух пациентов, перенесших ревизионное эндопротезирование тазобедренного сустава с импакционной костной пластикой — оценивали изменение положения центра ротации и ориентации тазового компонента.</p> <p><bold>Результаты.</bold> При одноцикловом нагружении была выявлена зависимость напряжений от деформаций при стесненном сжатии. При циклических испытаниях было получено увеличение мгновенного модуля упругости в 2,6 раз для «сухого» образца и в 3,9–4,7 раза — для образцов с жидкостью. На рентгенограммах у обоих пациентов отмечалось смещение центра ротации краниально и латерально: в первом случае на 2,4 и 1,5 мм, во втором — на 14,9 и 9,5 мм соответственно, изменение инклинации тазового компонента составило 18,7º в первом случае и 19,8º — во втором. Оценка функционального состояния по модифицированной шкале HHS составила 97 баллов у первого пациента и 53 балла — у второго.</p> <p><bold>Заключение.</bold> Используемый для импакционной костной пластики материал подвержен деформации как во время операции, так и в послеоперационном периоде. Испытания на сжатие позволили предположить, что деформация измельченного импактированного костно-пластического материала в послеоперационном периоде постепенно стремится к выходу на плато, а с завершением деформации прекращается миграция тазового компонента. Смещение центра ротации и изменение положения ацетабулярного компонента при отсутствии рентгенопрозрачной линии не является абсолютным признаком расшатывания.</p></trans-abstract><trans-abstract xml:lang="zh"><p/></trans-abstract><kwd-group xml:lang="en"><kwd>biomechanics</kwd><kwd>cyclic loads</kwd><kwd>impact bone grafting</kwd><kwd>bone defect</kwd><kwd>graft</kwd><kwd>revision arthroplasty</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>биомеханика</kwd><kwd>циклические нагрузки</kwd><kwd>импакционная костная пластика</kwd><kwd>костный дефект</kwd><kwd>трансплантат</kwd><kwd>ревизионное эндопротезирование</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Шубняков И.И., Тихилов Р.М., Денисов А.О., Ахмедилов М.А., Черный А.Ж., Тотоев З.А. и др. Что изменилось в структуре ревизионного эндопротезирования тазобедренного сустава в последние годы? 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