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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">623878</article-id><article-id pub-id-type="doi">10.17816/vto623878</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Clinical case reports</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Клинические случаи</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">Bone autograft collapse. Clinical case of the complication and clinical case of the solutions to this problem</article-title><trans-title-group xml:lang="ru"><trans-title>Коллапс костного аутотрансплантата. Клиническое наблюдение осложнения и одного из вариантов решения данной проблемы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-6483-3162</contrib-id><name-alternatives><name xml:lang="en"><surname>Chebotarev</surname><given-names>Vitaliy V.</given-names></name><name xml:lang="ru"><surname>Чеботарёв</surname><given-names>Виталий Витальевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><email>chebotarew.vitaly@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1078-9725</contrib-id><contrib-id contrib-id-type="spin">8324-2383</contrib-id><name-alternatives><name xml:lang="en"><surname>Ochkurenko</surname><given-names>Aleksandr A.</given-names></name><name xml:lang="ru"><surname>Очкуренко</surname><given-names>Александр Алексеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), рrofessor</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор</p></bio><email>cito-omo@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9960-2911</contrib-id><contrib-id contrib-id-type="spin">9715-1063</contrib-id><name-alternatives><name xml:lang="en"><surname>Korobushkin</surname><given-names>Gleb V.</given-names></name><name xml:lang="ru"><surname>Коробушкин</surname><given-names>Глеб Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>доктор медицинских наук</p></bio><email>kgleb@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Priorov National Medical Research Center of Traumatology and Orthopedics</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр травматологии и ортопедии им. Н.Н. Приорова</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-08-08" publication-format="electronic"><day>08</day><month>08</month><year>2024</year></pub-date><pub-date date-type="pub" iso-8601-date="2024-07-17" publication-format="electronic"><day>17</day><month>07</month><year>2024</year></pub-date><volume>31</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>407</fpage><lpage>414</lpage><history><date date-type="received" iso-8601-date="2023-11-28"><day>28</day><month>11</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2024-01-17"><day>17</day><month>01</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-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/" start_date="2025-10-09"/><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://journals.eco-vector.com/0869-8678/article/view/623878">https://journals.eco-vector.com/0869-8678/article/view/623878</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND</bold>: The issue of full-thickness osteochondral defect replacement in the talus is highly relevant. Bone autografting has proven effective in treating patients with this pathology, but the method has its drawbacks. The implantation of two or more bone autografts in large osteochondral defects may result in reduced contact strength between the donor bone and the recipient’s surrounding bone, leading to the formation of cysts and autograft instability.</p> <p><bold>Clinical</bold><bold> </bold><bold>cases</bold><bold> </bold><bold>description</bold><bold>:</bold> We present two clinical cases for your consideration. In the first case, chondroplasty of the talus was performed with mosaic implantation of bone autografts. Six months later, due to instability of the bone autograft accompanied by pain, ankle joint arthrodesis was performed. Six months postoperatively, the pain score on the VAS scale decreased from 7/10 to 3/10, the AOFAS score was 74/100, and the FAAM score was 70/84. In the second clinical case, a modified mosaic chondroplasty using AMIC technology with provisional fixation of bone autografts with a pin was performed. Six months later, CT scans showed osteointegration of the bone autografts without the formation of subchondral cysts. The questionnaires also demonstrated positive dynamics: the VAS score decreased from 7/10 to 1/10, the AOFAS score improved from 70/100 to 90/100, and the FAAM score increased from 72/100 to 83/84.</p> <p><bold>CONCLUSION</bold><bold>: </bold>The leading criterion for a successful bone autograft procedure is the stability of the autograft, which is achieved through adequate graft length and secure fixation. The proposed method of provisional fixation of the bone autograft with a pin during mosaic chondroplasty is a reproducible, effective, and cost-efficient technique that ensures the stability of the bone autograft and maintains its press-fit contact with the talus.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> Вопрос замещения полнослойных остеохондральных дефектов таранной кости крайне актуален. Костная аутопластика хорошо зарекомендовала себя при лечении пациентов с данной патологией, но у этой методики имеются и недостатки. Имплантация двух и более костных аутотрансплантатов при больших остеохондральных дефектах может сопровождаться снижением прочности контакта донорской кости с реципиентной окружающей костью, приводит к формированию кист и нестабильности аутотрансплантата.</p> <p>Описание клинического случая. Вашему вниманию представлено два клинических случая. В одном наблюдении выполнена хондропластика таранной кости с мозаичной установкой костных аутотрансплантатов. Через 6 месяцев по поводу нестабильности костного аутотрансплантата, сопровождающейся болевым синдромом, выполнен артродез голеностопного сустава. Через 6 месяцев после операции болевой синдром по шкале VAS уменьшился с 7/10 до 3/10, по AOFAS составил 74/100 баллов, по FAAM — 70/84 баллов. Во втором клиническом наблюдении выполнена модифицированная мозаичная хондропластика с применением AMIC-технологии, с провизорной фиксацией спицей костных аутотрансплантатов. Через 6 месяцев по данным КТ определялась остеоинтеграция костных аутотрансплантатов без образования субхондральных кист. По данным опросников также прослеживалась положительная динамика: показатель VAS уменьшился с 7/10 до 1/10, AOFAS улучшился с 70/100 до 90/100 баллов, FAAM — с 72/100 до 83/84 баллов.</p> <p><bold>Заключение.</bold> Ведущим критерием хорошего результата костной аутопластики является стабильность аутотрансплантата, что достигается достаточной длиной трансплантата и прочностью фиксации. Предложенный способ провизорной фиксации костного аутотрансплантата спицей при мозаичной хондропластике является воспроизводимым, эффективным и малозатратным методом, позволяющим сохранять стабильность костного аутотрансплантата, его press-fit контакт с таранной костью.</p></trans-abstract><kwd-group xml:lang="en"><kwd>bone autotransplantat</kwd><kwd>mosaic bone plastic</kwd><kwd>osteochondral defect of talar dome</kwd><kwd>collapse bone autograft</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>костный аутотрансплантат</kwd><kwd>мозаичная хондропластика</kwd><kwd>остеохондральный дефект таранной кости</kwd><kwd>нестабильность аутотрансплантата</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Hurley ET, Murawski CD, Paul J, et al.; International Consensus Group on Cartilage Repair of the Ankle. 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