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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">N.N. Priorov Journal of Traumatology and Orthopedics</journal-id><journal-title-group><journal-title xml:lang="en">N.N. Priorov Journal of Traumatology and Orthopedics</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник травматологии и ортопедии им. Н.Н. Приорова</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-8678</issn><issn publication-format="electronic">2658-6738</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">98425</article-id><article-id pub-id-type="doi">10.17816/vto98425</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</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">The value of mineral density and quality indicators of bone tissue in ensuring its strength in osteoporosis</article-title><trans-title-group xml:lang="ru"><trans-title>Значение минеральной плотности и показателей качества костной ткани в обеспечении ее прочности при остеопорозе</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rodionova</surname><given-names>S. S.</given-names></name><name xml:lang="ru"><surname>Родионова</surname><given-names>С. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Makarov</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Макаров</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kolondaev</surname><given-names>A. F.</given-names></name><name xml:lang="ru"><surname>Колондаев</surname><given-names>А. Ф.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gavryushenko</surname><given-names>N. S.</given-names></name><name xml:lang="ru"><surname>Гаврюшенко</surname><given-names>Н. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Morozov</surname><given-names>A. K.</given-names></name><name xml:lang="ru"><surname>Морозов</surname><given-names>А. К.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Central Institute of Traumatology and Orthopedics. N.N. Priorova</institution></aff><aff><institution xml:lang="ru">Центральный институт травматологии и ортопедии им. Н.Н. Приорова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2001-04-15" publication-format="electronic"><day>15</day><month>04</month><year>2001</year></pub-date><volume>8</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>76</fpage><lpage>80</lpage><history><date date-type="received" iso-8601-date="2022-01-25"><day>25</day><month>01</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-01-25"><day>25</day><month>01</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, ООО "Эко-Вектор"</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">ООО "Эко-Вектор"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-8678/article/view/98425">https://journals.eco-vector.com/0869-8678/article/view/98425</self-uri><abstract xml:lang="en"><p>The purpose of that investigation was to study the factors influencing the strength of femoral neck and its endurance to loads in osteoporosis. In experiment 24 samples of proximal femur obtained in autopsy from patients older than 60 years who died from different diseases without disturbance of bone metabolism were investigated. Mineral density of cortical and cancellous bones was assessed in standard zones using dual-energy x-ray absorptiometry (DEXA) and quantitative computed tomography (QCT). For the imitation of soft tissues the samples were placed in water and that allowed to compare the data obtained with norm measurement used for diagnosis of osteoporosis. Strength of femoral neck and its cortical layer as well as limit of elastic deformities, deformity value of femoral neck were evaluated in gradually increasing load. High correlation was showed between neck strength and BMD (r=0.86, p&lt;0.001). Osteoporotic qualitative state of bone and structural peculiarities of femoral neck influenced the bone strength independently of BMD value. The main role of cortical bone in providence the strength offemoral neck was confirmed in experiment.</p> <p> </p></abstract><trans-abstract xml:lang="ru"><p>Проведено изучение факторов, оказывающих влияние на прочность шейки бедренной кости и ее устойчивость к нагрузкам при остеопорозе. Исследовано 24 образца проксимального отдела бедренной кости, полученных при аутопсии лиц старше 60лет, умерших от заболеваний, не влияющих на метаболизм костной ткани. При помощи методов двухэнергетической рентгеновской денситометрии и количественной компьютерной томографии измерялась минеральная плотность кости (МПК) в стандартных зонах, раздельно кортикальной и губчатой кости. Для имитации мягких тканей образцы помещались в водный бассейн, что позволяло сравнивать полученные результаты с нормативной базой, используемой для диагностики остеопороза. Оценивались прочность шейки бедренной кости и ее кортикального слоя, а также предел упругих деформаций и величина деформации шейки бедра под действием постепенно возрастающей нагрузки, характеризующие качество кости. Выявлена высокая корреляционная связь прочности шейки с величиной МПК (г=0,86, р&lt;0,001). В то же время показано, что качественное состояние кости и структурные особенности шейки бедра при остеопорозе влияют на ее прочность независимо от величины МПК. Экспериментально подтверждена ведущая роль кортикальной кости в обеспечении прочности шейки бедра.</p></trans-abstract><kwd-group xml:lang="en"><kwd>osteoporosis</kwd><kwd>fractures of the proximal femur</kwd><kwd>dual-energy x-ray densitometry method</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>остеопороза</kwd><kwd>переломы проксимального отдела бедренной кости</kwd><kwd>метод двухэнергетической рентгеновской денситометрии</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Гаврюшенко Н.С. Материаловедческие аспекты создания эррозионностойких узлов трения искусственных суставов человека: Автореф. дис. ... д-ра мед. наук. — М., 2001</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Макаров М.А. 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