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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">RUDN Journal of Agronomy and Animal Industries</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Agronomy and Animal Industries</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Агрономия и животноводство</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2312-797X</issn><issn publication-format="electronic">2312-7988</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">19905</article-id><article-id pub-id-type="doi">10.22363/2312-797X-2023-18-2-241-249</article-id><article-id pub-id-type="edn">QWNACF</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Veterinary science</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Ветеринария</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">Analysis of surgical correction of atlantoaxial instability in dogs</article-title><trans-title-group xml:lang="ru"><trans-title>Анализ оперативной коррекции атлантоаксиальной нестабильности у собак</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0084-6383</contrib-id><contrib-id contrib-id-type="spin">6544-1649</contrib-id><name-alternatives><name xml:lang="en"><surname>Vilkovysky</surname><given-names>Ilya F.</given-names></name><name xml:lang="ru"><surname>Вилковыский</surname><given-names>Илья Федорович</given-names></name></name-alternatives><bio xml:lang="en"><p>Candidate of Veterinary Sciences, Associate Professor, Department of Veterinary Medicine, Agrarian and Technological Institute,</p></bio><bio xml:lang="ru"><p>кандидат ветеринарных наук, доцент, доцент департамента ветеринарной медицины, аграрнотехнологический институт</p></bio><email>vilkovyskiy-if@rudn.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rusnak</surname><given-names>Ivan A.</given-names></name><name xml:lang="ru"><surname>Руснак</surname><given-names>Иван Анатольевич</given-names></name></name-alternatives><bio xml:lang="en">postgraduate student, Department of Veterinary Medicine, Agrarian and Technological Institute</bio><bio xml:lang="ru">аспирант департамента ветеринарной медицины, аграрнотехнологический институт</bio><email>89rus.ivan@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2567-272X</contrib-id><contrib-id contrib-id-type="spin">3104-7566</contrib-id><name-alternatives><name xml:lang="en"><surname>Yagnikov</surname><given-names>Sergey A.</given-names></name><name xml:lang="ru"><surname>Ягников</surname><given-names>Сергей Александрович</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Veterinary Sciences, Professor, Department of Veterinary Medicine, Agrarian and Technological Institute,</p></bio><bio xml:lang="ru"><p>доктор ветеринарных наук, профессор, профессор департамента ветеринарной медицины, аграрно-технологический институт</p></bio><email>yagnikov-sa@rudn.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3281-1081</contrib-id><contrib-id contrib-id-type="spin">5461-3191</contrib-id><name-alternatives><name xml:lang="en"><surname>Sakhno</surname><given-names>Nikolai V.</given-names></name><name xml:lang="ru"><surname>Сахно</surname><given-names>Николай Владимирович</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Veterinary Sciences, Associate Professor, Professor of Department of Epizootology and Therapy,</p></bio><bio xml:lang="ru"><p>доктор ветеринарных наук, доцент, профессор кафедры эпизоотологии и терапии</p></bio><email>sahnoorelsau@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4249-8834</contrib-id><contrib-id contrib-id-type="spin">8139-5111</contrib-id><name-alternatives><name xml:lang="en"><surname>Seleznev</surname><given-names>Sergey B.</given-names></name><name xml:lang="ru"><surname>Селезнев</surname><given-names>Сергей Борисович</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Veterinary Sciences, Professor, Department of Veterinary Medicine, Agrarian and Technological Institute,</p></bio><bio xml:lang="ru"><p>доктор ветеринарных наук, профессор, профессор департамента ветеринарной медицины, аграрнотехнологический институт</p></bio><email>seleznev-sb@rudn.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">RUDN University</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Oryol State Agrarian University named after N.V. Parakhin</institution></aff><aff><institution xml:lang="ru">Орловский государственный аграрный университет им. Н.В. Парахина</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-06-30" publication-format="electronic"><day>30</day><month>06</month><year>2023</year></pub-date><volume>18</volume><issue>2</issue><issue-title xml:lang="en">VOL 18, NO2 (2023)</issue-title><issue-title xml:lang="ru">ТОМ 18, №2 (2023)</issue-title><fpage>241</fpage><lpage>249</lpage><history><date date-type="received" iso-8601-date="2023-07-09"><day>09</day><month>07</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Vilkovysky I.F., Rusnak I.A., Yagnikov S.A., Sakhno N.V., Seleznev S.B.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Вилковыский И.Ф., Руснак И.А., Ягников С.А., Сахно Н.В., Селезнев С.Б.</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Vilkovysky I.F., Rusnak I.A., Yagnikov S.A., Sakhno N.V., Seleznev S.B.</copyright-holder><copyright-holder xml:lang="ru">Вилковыский И.Ф., Руснак И.А., Ягников С.А., Сахно Н.В., Селезнев С.Б.</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/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://agrojournal.rudn.ru/agronomy/article/view/19905">https://agrojournal.rudn.ru/agronomy/article/view/19905</self-uri><abstract xml:lang="en"><p style="text-align: justify;">Effectiveness of ventral surgical approach in correction of atlanto-axial instability in dogs of “toy” breeds was analyzed in the research. 135 clinical cases of surgical correction, the general concept of surgical access and implant placement, which minimize risks of iatrogenic complications, were studied. Ventral stabilization was carried out by forming an arthrodesis between atlas and epistropheus by inserting screws or spokes through articular structures and vertebral bodies from ventral surface and then fixing them with bone cement. In the studied method, there are also complications in form of failure of metal structures or damage to recurrent laryngeal nerve, but, according to statistics, the incidence of these complications in world practice does not exceed 20 %. Among the possible complications during the operation are death of animal because of sudden respiratory arrest associated with spinal cord injury, migration or breakage of implants, inadequate alignment of spine. In addition, implants may not be placed correctly causing chronic pain or damage to the spinal cord. As a result of the operation, 104 dogs fully recovered, partial preservation of neurological deficit was observed in 13 animals, 18 animals died in the early postoperative period. Complications that did not lead to a deterioration in neurological status and quality of life occurred in 17 animals. Analyzing the work done, the method of ventral stabilization in the treatment of atlanto-axial instability can be recommended as the most reliable and optimal method, since it is technically simple and has good long-term results. Statistical data showed good results, the method is effective and allows to fully return the animal to a quality life in more than 86 % of cases.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">Проведен анализ эффективности вентрального оперативного доступа при коррекции атлантоаксиальной нестабильности у собак «игрушечных» пород. Рассмотрены 135 клинических случаев хирургической коррекции, общая концепция хирургического доступа и проведения имплантации, позволяющая минимизировать риски ятрогенных осложнений. Вентральную стабилизацию осуществляли путем формирования артродеза между атлантом и эпистрофеем посредством введения винтов или спиц сквозь суставные структуры и тела позвонков с вентральной поверхности и последующей их фиксацией костным цементом. Исследованный метод может сопровождаться осложнениями в виде несостоятельности металлоконструкций или повреждения возвратногортанного нерва, но, согласно статистике, встречаемость данных осложнений в мировой практике не превышает 20 %. Среди возможных осложнений во время операции выделяют гибель животного в результате внезапной остановки дыхания, связанной с травмой спинного мозга, миграцию или поломку имплантатов, неадекватное выравнивание позвоночника. Кроме того, имплантаты могут быть установлены некорректно, вызывая хроническую боль или поражение спинного мозга. В результате операции полностью выздоровели 104 собаки, частичное сохранение неврологического дефицита наблюдалось у 13 животных, 18 животных погибли в ранний послеоперационный период. Осложнения, которые не повлекли за собой ухудшение неврологического статуса и качества жизни, возникли у 17 животных. Анализируя проведенную работу, мы можем рекомендовать метод вентральной стабилизации при лечении атлантоаксиальной нестабильности как наиболее надежный и оптимальный, поскольку он технически несложен и имеет хорошие отдаленные результаты. Статистические данные показали хорошие результаты, метод эффективен и позволяет полностью вернуть животное к качественной жизни в более чем 86 % случаев.</p></trans-abstract><kwd-group xml:lang="en"><kwd>surgery</kwd><kwd>postoperative complications</kwd><kwd>spinal column</kwd><kwd>ventral stabilization</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>хирургическая операция</kwd><kwd>постоперационные осложнения</kwd><kwd>позвоночный столб</kwd><kwd>вентральная стабилизация</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">Thomas WB, Sorjonen DC, Simpson ST. Surgical management of atlantoaxial subluxation in 23 dogs. Vet Surg. 1991;20(6):409–412. doi: 10.1111/j.1532–950X.1991.tb00348.x</mixed-citation><mixed-citation xml:lang="ru">Thomas WB, Sorjonen DC, Simpson ST. Surgical management of atlantoaxial subluxation in 23 dogs. 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