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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">genort</journal-id><journal-title-group><journal-title xml:lang="ru">Гений ортопедии</journal-title><trans-title-group xml:lang="en"><trans-title>Genij Ortopedii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-4427</issn><issn pub-type="epub">2542-131X</issn><publisher><publisher-name>ЦЕНТР ИЛИЗАРОВА</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18019/1028-4427-2026-32-3-340-349</article-id><article-id custom-type="elpub" pub-id-type="custom">genort-3498</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Использование модифицированного протокола механического получения стромально-васкулярной фракции в сочетании с плазмой, обогащённой тромбоцитами, при остеохондральных дефектах коленного сустава</article-title><trans-title-group xml:lang="en"><trans-title>A modified protocol for mechanical extraction of stromal‑vascular fraction in combination with platelet‑rich plasma for osteochondral defects of the knee joint</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-9097-0144</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зверев</surname><given-names>Г. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Zverev</surname><given-names>G. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Глеб Михайлович Зверев — врач — травматолог-ортопед</p></bio><bio xml:lang="en"><p>Gleb M. Zverev, MD — Orthopaedic Surgeon</p><p>Moscow</p></bio><email xlink:type="simple">Dr.zverev@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2602-2457</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Судницын</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Sudnitsyn</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анатолий Сергеевич Судницын — кандидат медицинских наук, врач — травматолог-ортопед, заведующий лабораторией</p><p>Курган</p></bio><bio xml:lang="en"><p>Anatoly S. Sudnitsyn — Candidate of Medical Sciences, Orthopaedic Surgeon, Head of the Laboratory</p><p>Kurgan</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Яковлев</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yakovlev</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Витальевич Яковлев — кандидат медицинских наук, врач — травматолог-ортопед</p><p>Челябинск</p></bio><bio xml:lang="en"><p>Sergey V. Yakovlev — Candidate of Medical Sciences, Orthopaedic Surgeon</p><p>Chelyabinsk</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сайфулин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Saifulin</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Валерьевич Сайфулин — врач</p><p>Москва</p></bio><bio xml:lang="en"><p>Alexander V. Saifulin — MD</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Группа компаний «Медси»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Medsi Group of Companies</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр травматологии и ортопедии имени академика Г.А. Илизарова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ilizarov National Medical Research Centre for Traumatology and Orthopedics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ООО ПолиКлиника</institution><country>Россия</country></aff><aff xml:lang="en"><institution>PoliKlinika LLC</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>25</day><month>06</month><year>2026</year></pub-date><volume>32</volume><issue>3</issue><fpage>340</fpage><lpage>349</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Зверев Г.М., Судницын А.С., Яковлев С.В., Сайфулин А.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Зверев Г.М., Судницын А.С., Яковлев С.В., Сайфулин А.В.</copyright-holder><copyright-holder xml:lang="en">Zverev G.M., Sudnitsyn A.S., Yakovlev S.V., Saifulin A.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.ilizarov-journal.com/jour/article/view/3498">https://www.ilizarov-journal.com/jour/article/view/3498</self-uri><abstract><sec><title>Введение</title><p>Введение. Механическое получение стромально-васкулярной фракции (СВФ) аутологичной жировой ткани является одним из перспективных направлений регенеративной терапии остеохондральных дефектов коленного сустава. Однако клиническое применение СВФ может сопровождаться развитием постинъекционной синовиальной реакции, что снижает переносимость процедуры и ограничивает её раннюю клиническую оценку. В связи с этим актуальной задачей остаётся оптимизация протокола подготовки клеточного трансплантата с целью повышения его биологической чистоты и уменьшения реактивных изменений в суставе.</p><p>Цель работы — оценить влияние модифицированного механического протокола получения СВФ в сочетании с высококонцентрированной плазмой, обогащённой тромбоцитами, (P-PRP) на выраженность и продолжительность постинъекционной синовиальной реакции у пациентов с остеохондральными дефектами коленного сустава.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Выполнено ретроспективно-проспективное сравнительное исследование без рандомизации, включившее 62 пациента. В I группу (n = 41) вошли пациенты, пролеченные по стандартному механическому протоколу СВФ; во II группу (n = 21) — пациенты, получившие лечение по модифицированной технологии, предусматривающей этап промывания липоаспирата, механическую эмульсификацию через сетку 0,6 мм и получение P-PRP методом двойного центрифугирования с использованием ACD-A. Сравнительный анализ проведен по степени выраженности и длительности постинъекционной синовиальной реакции с применением клинико-инструментальной стратификации и ультразвукового контроля.</p></sec><sec><title>Результаты</title><p>Результаты. В группе стандартного протокола лёгкая степень синовиальной реакции зарегистрирована у четырех (9,8 %) пациентов, умеренная — у 16 (39,0 %), выраженная — у 21 (51,2 %). В группе модифицированного протокола лёгкая реакция отмечена у 11 (52,4 %) пациентов, умеренная — у семи (33,3 %), выраженная — у трех (14,3 %). Медианная продолжительность синовиальной реакции составила 11 (9–12) суток в группе стандартного протокола и 5 (3–7) суток в группе модифицированного протокола (p &lt; 0,001).</p></sec><sec><title>Обсуждение</title><p>Обсуждение. Включение этапов промывания липоаспирата и механической очистки через сетку 0,6 мм, а также применение двойного центрифугирования с ACD-A позволили уменьшить конечный объём препарата и повысить концентрацию тромбоцитов в PRP (&gt; 1 × 106/мкл), что сопровождалось снижением выраженности и продолжительности синовиальной реакции.</p></sec><sec><title>Заключение</title><p>Заключение. Модифицированный протокол механического получения СВФ обеспечивает более благоприятное течение раннего послеинъекционного периода за счёт уменьшения тяжести и продолжительности постинъекционной синовиальной реакции. Представленная технология является воспроизводимой и может быть рассмотрена как перспективное направление оптимизации регенеративной терапии остеохондральных дефектов коленного сустава.</p></sec></abstract><trans-abstract xml:lang="en"><p>Introduction Mechanical isolation of the stromal vascular fraction (SVF) from autologous adipose tissue represents a promising approach in regenerative treatment of osteochondral defects of the knee joint. However, intra-articular SVF administration may be associated with a post-injection synovial reaction, which decreases the tolerability of the procedure and complicates early clinical assessment. Therefore, optimization of the cell preparation protocol aimed at improving biological purity and reducing reactive intra-articular changes remains clinically relevant.</p><p>Purpose To evaluate the impact of a modified mechanical SVF isolation protocol combined with highly concentrated platelet-rich plasma (P-PRP) on the severity and duration of post-injection synovial reaction in patients with osteochondral knee defects.</p><p>Materials and Methods A retrospective-and-prospective comparative non-randomized study included 62 patients. Group I consisted of 41 patients treated using the standard mechanical SVF protocol. Group II included 21 patients treated with a modified protocol incorporating liposaspirate washing, mechanical emulsification through a 0.6 mm filter, and P-PRP preparation using double centrifugation with ACD-A anticoagulant. Comparative analysis was performed based on the severity and duration of post-injection synovial reaction using clinical and instrumental stratification and ultrasound assessment.</p><p>Results In the standard protocol group, mild synovial reaction was observed in 4 (9.8 %) patients, moderate in 16 (39.0 %), and severe in 21 (51.2 %). In the modified protocol group, mild reaction was recorded in 11 (52.4 %) patients, moderate in 7 (33.3 %), and severe in 3 (14.3 %). The median duration of synovial reaction was 11 (9–12) days in the standard protocol and 5 (3–7) days in the modified protocol (p &lt; 0.001).</p><p>Discussion The addition of liposaspirate washing and mechanical purification through a 0.6 mm filter in the protocol, along with double centrifugation using ACD-A, reduced the final injection volume and increased platelet concentration in PRP (&gt; 1 × 106/µL), which was associated with decreased severity and shorter duration of synovial reaction.</p><p>Conclusion The modified mechanical SVF isolation protocol improves early post-injection tolerability by reducing the severity and duration of post-injection synovial reaction. The proposed technique is reproducible and may represent a promising approach for optimizing regenerative therapy in patients with osteochondral knee defects.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>стромально-васкулярная фракция</kwd><kwd>хондромаляция</kwd><kwd>мезенхимальные стромальные клетки жировой ткани</kwd></kwd-group><kwd-group xml:lang="en"><kwd>stromal vascular fraction</kwd><kwd>chondromalacia</kwd><kwd>adipose-derived mesenchymal stromal cells</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Crossley KM, Stefanik JJ, Selfe J, et al. 2016 Patellofemoral pain consensus statement from the 4th International Patellofemoral Pain Research Retreat, Manchester. Part 1: Terminology, definitions, clinical examination, natural history, patellofemoral osteoarthritis and patient-reported outcome measures. 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