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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">Traumatology and Orthopedics of Russia</journal-id><journal-title-group><journal-title xml:lang="en">Traumatology and Orthopedics of Russia</journal-title><trans-title-group xml:lang="ru"><trans-title>Травматология и ортопедия России</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2311-2905</issn><issn publication-format="electronic">2542-0933</issn><publisher><publisher-name xml:lang="en">Vreden National Medical Research Center of Traumatology and Orthopedics</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">17803</article-id><article-id pub-id-type="doi">10.17816/2311-2905-17803</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="zh"><subject>Clinical studies</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">Role of low-dose radiation therapy in the treatment of plantar fasciitis</article-title><trans-title-group xml:lang="ru"><trans-title>Роль низкодозной лучевой терапии в лечении плантарного фасциита</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title/></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6434-3174</contrib-id><contrib-id contrib-id-type="spin">3901-1289</contrib-id><name-alternatives><name xml:lang="en"><surname>Semenov</surname><given-names>Aleksey V.</given-names></name><name xml:lang="ru"><surname>Семенов</surname><given-names>Алексей Владимирович</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><email>dr.semenov.av@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2759-297X</contrib-id><contrib-id contrib-id-type="spin">2492-5581</contrib-id><name-alternatives><name xml:lang="en"><surname>Gulidov</surname><given-names>Igor A.</given-names></name><name xml:lang="ru"><surname>Гулидов</surname><given-names>Игорь Александрович</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Med.), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><email>iagulidov@mrrc.obninsk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-8345-9724</contrib-id><contrib-id contrib-id-type="spin">5292-4243</contrib-id><name-alternatives><name xml:lang="en"><surname>Ermakova</surname><given-names>Natalia B.</given-names></name><name xml:lang="ru"><surname>Ермакова</surname><given-names>Наталья Борисовна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>borysheva@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6038-2851</contrib-id><contrib-id contrib-id-type="spin">9248-2303</contrib-id><name-alternatives><name xml:lang="en"><surname>Titova</surname><given-names>Lyudmila N.</given-names></name><name xml:lang="ru"><surname>Титова</surname><given-names>Людмила Николаевна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>md.titova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">A. Tsyb Medical Research Centre – the branch of the National Medical Research Radiological Centre</institution></aff><aff><institution xml:lang="ru">Медицинский радиологический научный центр им. А.Ф. Цыба – филиал ФГБУ «НМИЦ радиологии» Минздрава России</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2026-06-02" publication-format="electronic"><day>02</day><month>06</month><year>2026</year></pub-date><pub-date date-type="pub" iso-8601-date="2026-06-18" publication-format="electronic"><day>18</day><month>06</month><year>2026</year></pub-date><volume>32</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>107</fpage><lpage>116</lpage><history><date date-type="received" iso-8601-date="2025-12-10"><day>10</day><month>12</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2026-05-08"><day>08</day><month>05</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Эко-Вектор</copyright-statement><copyright-statement xml:lang="zh">Copyright ©; 2026, Eco-Vector</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><copyright-holder xml:lang="zh">Eco-Vector</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-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journal.rniito.org/jour/article/view/17803">https://journal.rniito.org/jour/article/view/17803</self-uri><abstract xml:lang="en"><p><bold>Background. </bold>Plantar fasciitis (PF) is one of the most common degenerative inflammatory diseases of the foot, often accompanied by chronic pain and decreased quality of life. Low-dose radiation therapy (LDRT) is considered a potentially effective treatment option for refractory forms of the disease; however, data on its application using modern radiation techniques remain limited.</p> <p><bold>The aim of the study </bold>— to evaluate the efficacy of low-dose radiation therapy in patients with chronic plantar fasciitis who failed standard conservative treatments.</p> <p><bold>Methods. </bold>A prospective case series study was performed. The study included 32 patients over 40 years of age with a diagnosis of plantar fasciitis (ICD-10 code M77.3), confirmed clinically and/or radiographically, and a pain duration of ≥ 3 months. All patients had previously received at least two types of conservative treatment (massage, therapeutic exercise, extracorporeal shock wave therapy, local corticosteroid injections, laser therapy, orthoses, and orthotic insoles) without clinically significant improvement. Patients were allocated to groups according to the technique used: 26 received LDRT using a direct electron beam from a linear accelerator (linac); 5 — photon therapy using VMAT (volumetric modulated arc therapy, a form of IMRT) delivered via linac; and one with Co-60 gamma therapy. LDRT was administered at a dose rate of 0.5 Gy up to a total dose of 3 Gy over 6 sessions. They were administered three times per week on alternate days. Efficacy assessment included changes in pain using the Visual Analogue Scale (VAS) and functional indicators of foot mobility. We evaluated treatment tolerability descriptively by recording early and late radiation reactions, with no systematic safety assessment.</p> <p><bold>Results.</bold> The average pain severity on the VAS decreased from a baseline of 6.0 [5; 7] to 3.5 [2; 4] points at the end of the course and 0.5 points after 6 months (p &lt; 0.001). A significant therapeutic effect was observed in patients with significant baseline limitation of foot mobility (n = 17), with complete or almost complete restoration of function observed in 77.7% of patients (n = 14). Patients with mild baseline limitation of foot mobility (n = 7) noted improvement in foot function in 86.7% of cases (n = 6). No adverse radiation reactions were recorded.</p> <p><bold>Conclusion.</bold> Low-dose radiation therapy has demonstrated high clinical efficacy and a favorable safety profile in patients with chronic plantar fasciitis refractory to conservative therapy. The use of modern dose delivery techniques confirms the feasibility of this approach. Further randomized studies are needed to refine optimal radiation regimens and patient selection criteria.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Актуальность.</bold> Плантарный фасциит (ПФ) является одним из наиболее распространенных дегенеративно-воспалительных заболеваний стопы, часто сопровождающимся хроническим болевым синдромом и снижением качества жизни. Низкодозная лучевая терапия (НДЛТ) рассматривается как потенциально эффективный метод лечения при рефрактерных формах заболевания, однако данные о ее применении с использованием современных техник облучения остаются ограниченными.</p> <p><bold>Цель исследования</bold> — оценка эффективности низкодозной лучевой терапии у пациентов с хроническим плантарным фасциитом, не ответивших на стандартные консервативные методы лечения.</p> <p><bold>Материал и методы.</bold> Проведено проспективное исследование серии случаев. В исследование включено 32 пациента старше 40 лет с диагнозом ПФ (код МКБ-10 M77.3), подтвержденным клинически и/или рентгенографически, и длительностью болевого синдрома ≥ 3 мес. Все пациенты ранее получали не менее двух методов консервативного лечения (массаж, лечебная гимнастика, ударно-волновая терапия, локальные инъекции глюкокортикостероидов, лазеротерапия, ортезы, ортопедические стельки) без клинически значимого эффекта. В зависимости от применяемой техники пациенты распределились на группы: 26 человек получили НДЛТ прямым пучком электронов на линейном ускорителе электронов (ЛУЭ), 5 — фотонами на ЛУЭ с применением технологии VMAT (вариант лучевой терапии с модуляцией интенсивности, IMRT), 1 — гамма-терапию с источником Co-60. НДЛТ проводилась в режиме разовой очаговой дозы 0,5 Гр до суммарной очаговой дозы 3,0 Гр за 6 сеансов. Сеансы проводили три раза в неделю, через день. Оценка эффективности проводилась после окончания курса и через 6 мес. и включала динамику болевого синдрома по визуально-аналоговой шкале (ВАШ) и функциональные показатели подвижности стопы. Переносимость терапии оценивалась описательно путем регистрации ранних и поздних лучевых реакций, без систематической оценки безопасности.</p> <p><bold>Результаты.</bold> Медиана выраженности боли по ВАШ снизилась с исходных 6 [5; 7] до 3,5 [2; 4] балла на момент завершения курса и 0,5 [0; 2] балла через 6 мес. (<italic>p</italic> &lt; 0,001). Выраженный терапевтический эффект отмечался у пациентов с исходно значительной ограниченностью подвижности стопы (<italic>n</italic> = 17), среди которых полное или почти полное восстановление функции наблюдалось у 78% пациентов (<italic>n</italic> = 14). У пациентов с незначительной исходной ограниченностью подвижности стопы (<italic>n</italic> = 7) отмечено улучшение функции в 86% случаев (<italic>n</italic> = 6). Нежелательных лучевых реакций не зарегистрировано.</p> <p><bold>Заключение.</bold> Низкодозная лучевая терапия продемонстрировала высокую клиническую эффективность у пациентов с хроническим плантарным фасциитом, рефрактерным к консервативной терапии. Применение современных методик подведения дозы подтверждает практическую осуществимость подхода. Требуются дальнейшие рандомизированные исследования для уточнения оптимальных режимов облучения, критериев отбора пациентов и формальной оценки безопасности.</p></trans-abstract><trans-abstract xml:lang="zh"><p/></trans-abstract><kwd-group xml:lang="en"><kwd>plantar fasciitis</kwd><kwd>heel spur</kwd><kwd>radiation therapy</kwd><kwd>non-neoplastic radiation therapy</kwd><kwd>low-dose irradiation</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>плантарный фасциит</kwd><kwd>пяточная шпора</kwd><kwd>лучевая терапия</kwd><kwd>лучевая терапия неопухолевых заболеваний</kwd><kwd>низкодозное облучение</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Trojian T., Tucker A.K. Plantar Fasciitis. Am Fam Physician. 2019;99(12):744-750.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Buchbinder R. Clinical practice. Plantar fasciitis. 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