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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">Pediatric Traumatology, Orthopaedics and Reconstructive Surgery</journal-id><journal-title-group><journal-title xml:lang="en">Pediatric Traumatology, Orthopaedics and Reconstructive Surgery</journal-title><trans-title-group xml:lang="ru"><trans-title>Ортопедия, травматология и восстановительная хирургия детского возраста</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>Pediatric Traumatology, Orthopaedics and Reconstructive Surgery</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2309-3994</issn><issn publication-format="electronic">2410-8731</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">9319</article-id><article-id pub-id-type="doi">10.17816/PTORS7187-96</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Clinical cases</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Клинические случаи</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="zh"><subject>Clinical cases</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">Surgical treatment of comminuted intraarticular distal femur fracture in patient with osteogenesis imperfecta type I</article-title><trans-title-group xml:lang="ru"><trans-title>Хирургическое лечение оскольчатого внутрисуставного перелома дистальной трети бедренной кости у пациента с несовершенным остеогенезом I типа</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1614-1695</contrib-id><contrib-id contrib-id-type="spin">6268-0522</contrib-id><name-alternatives><name xml:lang="en"><surname>Burtsev</surname><given-names>Mikhail E.</given-names></name><name xml:lang="ru"><surname>Бурцев</surname><given-names>Михаил Евгеньевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Orthopaedic Trauma Surgeon; PhD Student in Department of Traumatology and Orthopaedics</p></bio><bio xml:lang="ru"><p>травматолог-ортопед ; аспирант кафедры травматологии и ортопедии</p></bio><email>drburtsev91@gmail.com</email><uri>https://www.emcmos.ru/doctors/burcev-mihail</uri><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Frolov</surname><given-names>Aleksandr V.</given-names></name><name xml:lang="ru"><surname>Фролов</surname><given-names>Александр Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Orthopaedic Trauma Surgeon, Chief of Trauma Department; Assistant Professor in Department of Traumatology, Orthopaedics</p></bio><bio xml:lang="ru"><p>заведующий отделением травматологии; канд. мед. наук, доцент кафедры травматологии и ортопедии</p></bio><email>drburtsev91@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Logvinov</surname><given-names>Aleksei N.</given-names></name><name xml:lang="ru"><surname>Логвинов</surname><given-names>Алексей Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Orthopaedic Trauma Surgeon; PhD Student in Department of Traumatology and Orthopaedics</p></bio><bio xml:lang="ru"><p>травматолог-ортопед; аспирант кафедры травматологии и ортопедии </p></bio><email>drburtsev91@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ilyin</surname><given-names>Dmitry O.</given-names></name><name xml:lang="ru"><surname>Ильин</surname><given-names>Дмитрий Олегович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Orthopaedic Trauma Surgeon</p></bio><bio xml:lang="ru"><p>канд. мед. наук, травматолог-ортопед</p></bio><email>drburtsev91@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Korolev</surname><given-names>Andrey V.</given-names></name><name xml:lang="ru"><surname>Королев</surname><given-names>Андрей Вадимович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Professor, Orthopaedic Trauma Surgeon, Chief Doctor and Medical Director; ); Professor in Department of Traumatology and Orthopaedics</p></bio><bio xml:lang="ru"><p>медицинский директор ; д-р мед. наук, профессор кафедры</p></bio><email>drburtsev91@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">ECSTO, European Clinic of Sports Traumatology and Orthopaedics (ECSTO)</institution></aff><aff><institution xml:lang="ru">Европейская клиника спортивной травматологии и ортопедии (ECSTO)</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">eoples Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">ГБОУ ВПО «Российский университет дружбы народов»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-04-06" publication-format="electronic"><day>06</day><month>04</month><year>2019</year></pub-date><volume>7</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>87</fpage><lpage>96</lpage><history><date date-type="received" iso-8601-date="2018-09-01"><day>01</day><month>09</month><year>2018</year></date><date date-type="accepted" iso-8601-date="2018-10-31"><day>31</day><month>10</month><year>2018</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Burtsev M.E., Frolov A.V., Logvinov A.N., Ilyin D.O., Korolev A.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Бурцев М.Е., Фролов А.В., Логвинов А.Н., Ильин Д.О., Королев А.В.</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Burtsev M.E., Frolov A.V., Logvinov A.N., Ilyin D.O., Korolev A.V.</copyright-holder><copyright-holder xml:lang="ru">Бурцев М.Е., Фролов А.В., Логвинов А.Н., Ильин Д.О., Королев А.В.</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/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/turner/article/view/9319">https://journals.eco-vector.com/turner/article/view/9319</self-uri><abstract xml:lang="en"><p><bold>Aim</bold>. Osteogenesis imperfecta (OI) is characterized by bone fragility and long bones deformities. Most studies are dedicated to surgical treatment of diaphyseal fractures. To our knowledge, there are no reports giving recommendations about surgical treatment of distal femur intraarticular fractures.</p> <p><bold>Clinical case</bold>. We describe the surgical treatment of a 14-year-old girl with OI who had intraarticular fracture of the left distal femur and fracture of a right femur diaphysis. Surgical treatment was complicated by migration of a titanium elastic nail and impaired consolidation, which had to be fixed with a plate and led to peri-implant fracture. Results were assessed before trauma and at 1 and 2 years after trauma with Gillette Functional Assessment Questionnaire (GFAQ) and Bleck score.</p> <p><bold>Discussion</bold>. During surgical treatment of comminuted intraarticular distal femur fractures in patients with OI, we had to use big cancellous screw that made implantation in an intramedullary fixator more difficult. Internal fixation with a plate in patients with OI is associated with high risks of peri-implant fracture.</p> <p><bold>Conclusion</bold>. For treatment of comminuted intraarticular fracture of the distal femur, it is necessary to have large variety of internal fixators, follow the principles of absolute and relative stability, and be familiar with minimally-invasive techniques.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение</bold>. При несовершенном остеогенезе часто встречаются переломы и деформации длинных трубчатых костей. В литературе, посвященной хирургическому лечению переломов бедренной кости, описаны методы остеосинтеза диафизарных переломов, но отсутствуют рекомендации по лечению внутрисуставных переломов дистальной трети бедренной кости.</p> <p><bold>Описание случая</bold>. В работе представлен клинический случай лечения пациентки 14 лет с I типом несовершенного остеогенеза, которая перенесла тяжелый внутрисуставной оскольчатый перелом дистальной трети левой бедренной кости и перелом диафиза правой бедренной кости. Хирургическое лечение внутрисуставного перелома осложнилось миграцией титанового эластичного стержня (TEN), замедленной консолидацией дистального метадиафиза бедренной кости, потребовавшей применения пластины, что повлекло за собой переимплантный перелом. Двигательные возможности до травмы, через 1 и 2 года после травмы были оценены по шкалам GFAQ (Gillette Functional Assessment Questionnaire) и Bleck Score.</p> <p><bold>Обсуждение</bold>. Хирургическое лечение внутрисуставного оскольчатого перелома дистальной трети бедра у ребенка с несовершенным остеогенезом потребовало установки спонгиозных винтов большого диаметра в метаэпифизе, что затрудняет использование интрамедуллярного фиксатора. Применение пластин у пациентов с несовершенным остеогенезом сопровождается высоким риском переимплантных переломов.</p> <p><bold>Заключение</bold>. При лечении внутрисуставных оскольчатых переломов дистальной трети бедренной кости необходимо иметь в распоряжении широкий выбор металлофиксаторов, соблюдать принципы абсолютной и относительной стабильности и владеть мини-инвазивными методиками.</p></trans-abstract><kwd-group xml:lang="en"><kwd>: osteogenesis imperfecta</kwd><kwd>femur, intraarticular fracture</kwd><kwd>titanium elastic nail</kwd><kwd>plate</kwd><kwd>migration</kwd><kwd>stress fracture</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>несовершенный остеогенез</kwd><kwd>бедренная кость</kwd><kwd>внутрисуставной перелом</kwd><kwd>титановые эластичные стержни</kwd><kwd>пластина</kwd><kwd>миграция</kwd><kwd>переимплантный перелом</kwd></kwd-group><funding-group><award-group><award-id></award-id></award-group><funding-statement xml:lang="en">The investigation didn't have sponsorship</funding-statement><funding-statement xml:lang="ru">Исследование не спонсировалось</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Sillence DO, Rimoin DL, Danks DM. 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