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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">629076</article-id><article-id pub-id-type="doi">10.17816/vto629076</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">Individual hemiendoprosthetics of the posterior articular facet of the calcaneus in the complex treatment of damage to the subtalar joint: a case report</article-title><trans-title-group xml:lang="ru"><trans-title>Индивидуальное гемиэндопротезирование задней суставной фасетки пяточной кости в комплексе лечения повреждения подтаранного сустава: случай из практики</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0833-6628</contrib-id><contrib-id contrib-id-type="spin">6002-7102</contrib-id><name-alternatives><name xml:lang="en"><surname>Skrebtsov</surname><given-names>Vladimir V.</given-names></name><name xml:lang="ru"><surname>Скребцов</surname><given-names>Владимир Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><email>Skrebtsov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5077-2186</contrib-id><contrib-id contrib-id-type="spin">4628-7919</contrib-id><name-alternatives><name xml:lang="en"><surname>Protsko</surname><given-names>Viktor G.</given-names></name><name xml:lang="ru"><surname>Процко</surname><given-names>Виктор Геннадьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><email>89035586679@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1418-3368</contrib-id><contrib-id contrib-id-type="spin">3682-4569</contrib-id><name-alternatives><name xml:lang="en"><surname>Skrebtsov</surname><given-names>Alexander V.</given-names></name><name xml:lang="ru"><surname>Скребцов</surname><given-names>Александр Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><email>Skrebtsovalex@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8748-0059</contrib-id><contrib-id contrib-id-type="spin">2986-1390</contrib-id><name-alternatives><name xml:lang="en"><surname>Tamoev</surname><given-names>Sargon K.</given-names></name><name xml:lang="ru"><surname>Тамоев</surname><given-names>Саргон Константинович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><email>Sargonik@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6287-8132</contrib-id><contrib-id contrib-id-type="spin">6499-2760</contrib-id><name-alternatives><name xml:lang="en"><surname>Kuznetsov</surname><given-names>Vasilii V.</given-names></name><name xml:lang="ru"><surname>Кузнецов</surname><given-names>Василий Викторович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine);</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><email>vkuznecovniito@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Yudin City Clinical Hospital</institution></aff><aff><institution xml:lang="ru">Городская клиническая больница им. С.С. Юдина</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Russian Peoples’ Friendship University</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-03-15" publication-format="electronic"><day>15</day><month>03</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2025</year></pub-date><volume>32</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>199</fpage><lpage>210</lpage><history><date date-type="received" iso-8601-date="2024-03-14"><day>14</day><month>03</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-04-02"><day>02</day><month>04</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Эко-Вектор</copyright-statement><copyright-year>2025</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="2026-04-08"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://eco-vector.com/for_authors.php#07</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-8678/article/view/629076">https://journals.eco-vector.com/0869-8678/article/view/629076</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:</bold> The subtalar joint is one of the key joints in the foot. Its main function is to adapt the hindfoot to uneven ground during the gait cycle. Degenerative changes in the subtalar joint are primarily the result of intra-articular calcaneal fractures, varus or valgus deformities of the hindfoot, rheumatoid arthritis and idiopathic deforming osteoarthritis. Arthrodesis of the subtalar joint results in restriction of supination-pronation movements of the foot, overloading of the external compartments and, as a consequence, impaired gait biomechanics.</p> <p><bold>DESCRIPTION OF THE CASE:</bold><bold> </bold>We present a clinical case of surgical treatment of a patient with a malunited fracture of the calcaneus. The posterior articular facet of the calcaneus was hemiendoprosthetically replaced with a custom-made ceramic implant.</p> <p><bold>CONCLUSION:</bold><italic> </italic>Short-term results of the patient's treatment with posttraumatic deforming arthrosis of the subtalar joint allow us to conclude on the efficacy of the posterior articular facet hemiendoprosthesis of the calcaneus in the treatment of this pathology. The proposed technique makes it possible to preserve the mobility of the hindfoot and reduce the severity of the pain syndrome.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold><bold> </bold>Подтаранный сустав является одним из ключевых суставов стопы. Его основное функциональное назначение — приспособление заднего отдела стопы к неровной поверхности опоры в периоды цикла шага. Дегенеративные изменения подтаранного сустава являются прежде всего следствием внутрисуставных переломов пяточной кости, варусных или вальгусных деформаций заднего отдела стопы, ревматоидного артрита и идиопатического деформирующего артроза. Артродез подтаранного сустава приводит к ограничению супинационно-пронационных движений стопы, перегрузке наружных отделов и, как следствие, к нарушению биомеханики шага.</p> <p><bold>Описание клинического случая.</bold> Представлен клинический случай оперативного лечения пациента с неправильно сросшимся переломом пяточной кости методом гемиэндопротезирования задней суставной фасетки пяточной кости индивидуальным керамическим имплантатом.</p> <p><bold>Заключение.</bold> Краткосрочные результаты проведённого лечения пациента с посттравматическим деформирующим артрозом подтаранного сустава позволяют сделать вывод об эффективности гемиэндопротезирования задней суставной фасетки пяточной кости при лечении данной патологии. Предложенная методика позволяет сохранить подвижность заднего отдела стопы и снизить выраженность болевого синдрома.</p></trans-abstract><kwd-group xml:lang="en"><kwd>osteoarthritis of the subtalar joint</kwd><kwd>posterior articular facet of the calcaneus</kwd><kwd>hemiendoprosthetics</kwd><kwd>ceramic implant</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>деформирующий артроз подтаранного сустава</kwd><kwd>задняя суставная фасетка пяточной кости</kwd><kwd>гемиэндопротезирование</kwd><kwd>керамический имплантат</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>The physiology of the joints, vol. 2: Lower Limb. By I.A. Kapandji. Second edition. British Journal of Surgery. 1971;58(5):403. doi: 10.1002/bjs.1800580528</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Greisberg J, Hansen ST, Sangeorzan B. 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