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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">rsp</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-практическая ревматология</journal-title><trans-title-group xml:lang="en"><trans-title>Rheumatology Science and Practice</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1995-4484</issn><issn pub-type="epub">1995-4492</issn><publisher><publisher-name>IMA-PRESS, LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47360/1995-4484-2026-77-88</article-id><article-id custom-type="elpub" pub-id-type="custom">rsp-3878</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 ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Спондилоартрит и хронический бруцеллез с поражением опорно-двигательного аппарата: проблемы и возможности дифференциальной диагностики в эндемичном регионе</article-title><trans-title-group xml:lang="en"><trans-title>Spondyloarthritis and chronic brucellosis with musculoskeletal involvement: Problems and possibilities of differential diagnosis in an endemic area</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5475-8410</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хайдарова</surname><given-names>Ю. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Khaidarova</surname><given-names>Yu. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хайдарова Юлдуз Мадихановна</p><p>050040, Алматы, просп. Аль-Фараби, 71</p></bio><bio xml:lang="en"><p>Yulduz M. Khaidarova </p><p>050040, Almaty, Al-Farabi avenue, 71</p></bio><email xlink:type="simple">yulduz.khaidarova88@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0143-0614</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лесняк</surname><given-names>О. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Lesnyak</surname><given-names>O. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>198015, Санкт-Петербург, ул. Кирочная, 41</p></bio><bio xml:lang="en"><p>Olga M. Lesnyak </p><p>191015, SaintPetersburg, Kirochnaya str., 41</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3195-5187</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Эрдес</surname><given-names>Ш. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Erdes</surname><given-names>Sh. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34а</p></bio><bio xml:lang="en"><p>Shandor F. Erdes </p><p>115522, Moscow, Kashirskoye Highway, 34A</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6265-5227</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Erdem</surname><given-names>Hakan</given-names></name><name name-style="western" xml:lang="en"><surname>Erdem</surname><given-names>Hakan</given-names></name></name-alternatives><bio xml:lang="ru"><p>06010, Ankara, General Dr. Tevfik Saglam Avenue, 1</p></bio><bio xml:lang="en"><p>Hakan Erdem </p><p>06010, Ankara, General Dr. Tevfik Saglam Avenue, 1</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7418-9369</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смирнов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34а</p></bio><bio xml:lang="en"><p>Alexander V. Smirnov </p><p>115522, Moscow, Kashirskoye Highway, 34A</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5768-0209</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курманова</surname><given-names>Г. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurmanova</surname><given-names>G. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>050040, Республика Казахстан, Алматы, просп. Аль-Фараби, 71</p></bio><bio xml:lang="en"><p>Gaukhar M. Kurmanova </p><p>050040, Almaty, Al-Farabi avenue, 71</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Казахский национальный университет им. Аль-Фараби</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Al-Farabi Kazakh National University</institution><country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Северо-Западный государственный медицинский университет им. И.И. Мечникова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>North-Western State Medical University named after I.I. Mechnikov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБНУ «Научно-исследовательский институт ревматологии им. В.А. Насоновой»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V.A. Nasonova Research Institute of Rheumatology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Türkiye Sağlık Bilimleri Üniversitesi</institution><country>Турция</country></aff><aff xml:lang="en"><institution>Türkiye Sağlık Bilimleri Üniversitesi</institution><country>Turkey</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>02</day><month>03</month><year>2026</year></pub-date><volume>64</volume><issue>1</issue><fpage>77</fpage><lpage>88</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хайдарова Ю.М., Лесняк О.М., Эрдес Ш.Ф., Erdem H., Смирнов А.В., Курманова Г.М., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Хайдарова Ю.М., Лесняк О.М., Эрдес Ш.Ф., Erdem H., Смирнов А.В., Курманова Г.М.</copyright-holder><copyright-holder xml:lang="en">Khaidarova Y.M., Lesnyak O.M., Erdes S.F., Erdem H., Smirnov A.V., Kurmanova G.M.</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://rsp.mediar-press.net/rsp/article/view/3878">https://rsp.mediar-press.net/rsp/article/view/3878</self-uri><abstract><sec><title>Введение</title><p>Введение. Ранняя диагностика спондилоартрита (СпА) остается серьезной проблемой в регионах, где бруцеллез эндемичен, поскольку поражение опорно-двигательного аппарата (ОДА) при хроническом бруцеллезе (ХБР) может имитировать СпА.</p><p>Цель исследования – поиск признаков, важных для дифференциальной диагностики спондилоартрита и хронического бруцеллеза, на основе сравнения широкого спектра клинических проявлений этих заболеваний.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В ретроспективно-проспективном исследовании, проведенном в эндемичном по бруцеллезу регионе, сравнивались эпидемиологические характеристики и клинические особенности двух групп пациентов, отвечающих критериям СпА ASAS (Assessment of Spondyloarthritis International Society): со СпА и с ХБР. Пациенты с вероятностью сочетания двух этих заболеваний не включались в исследование.</p></sec><sec><title>Результаты</title><p>Результаты. В сравнительный анализ включены 40 больных ХБР, соответствовавших критериям СпА ASAS, и 139 пациентов со СпА. Критерии периферического СпА ASAS выявлены у 85% больных ХБР и у 30% больных СпА. Носителями HLA-B27 были 25% пациентов с ХБР и 71% пациентов со СпА. Положительный эпидемиологический анамнез часто регистрировался не только при ХБР (в 100% случаев), но и при СпА (в 38% случаев; р&lt;0,001). Важными отличительными признаками ХБР были односторонний характер сакроилиита (65% против 13,7% при СпА; р&lt;0,001), преимущественно механическая боль в спине (47,5% против 5,8%; р&lt;0,001), полиартрит мелких суставов (30% против 14,4%; р&lt;0,001) с частым вовлечением суставов верхних конечностей. Для ХБР были особенно характерны признаки инфекции (95% против 24,4%; р&lt;0,001), поражения вегетативной (75% против 29,5%; р&lt;0,001) и периферической (47% против 15,8%; р&lt;0,001) нервной системы, аффективные расстройства (47,5% против 6,4%; р&lt;0,001), патология репродуктивной системы, включая акушерскую. В отличие от СпА, поражение ОДА и другие проявления ХБР недостаточно отвечали на НПВП и купировались после антибактериальной терапии.</p></sec><sec><title>Заключение</title><p>Заключение. В исследовании были выявлены отличительные клинические признаки, которые могут помочь в проведении дифференциальной диагностики между СпА и ХБР.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Early diagnosis of spondyloarthritis (SpA) remains a serious problem in regions where brucellosis is endemic, as musculoskeletal (MSK) involvement in chronic brucellosis (ChB) is similar and can mimic SpA.</p><p>The aim is to identify signs and symptoms important for the differential diagnosis of spondyloarthritis and chronic brucellosis by comparing a wide range of clinical manifestations of these diseases.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. In a retrospective-prospective study conducted in a brucellosis-endemic region, the epidemiological characteristics and clinical features of two groups of patients meeting the ASAS (Assessment of Spondyloarthritis International Society) criteria were compared: those with SpA and those with ChB. Patients with a probable combination of these two diseases were excluded from the study.</p></sec><sec><title>Results</title><p>Results. The comparative analysis included 40 people with HBP who met the ASAS criteria and 139 people with SpA. ASAS criteria for peripheral SpA were identified in 85% of patients with HBP and in 30% of patients with SpA. HLA-B27 was present in 25% of patients with IBD and 71% with SpA. A positive epidemiological history was frequently recorded not only in ChB (100%) but also in SpA (38%) (p&lt;0.001). Important distinguishing features of ChB were unilateral sacroiliitis (65% vs. 13.7% in SpA; p&lt;0.001), predominantly mechanical back pain (47.5% vs. 5.8%, p&lt;0.001), and polyarthritis of small joints (30% vs. 14.4%; p&lt;0.001), with frequent involvement of upper limb joints. ChB was particularly characterized by signs of infection (95% vs. 24.4%), damage to the autonomic (75% vs. 29.5%) and peripheral (47% vs. 15.8%) nervous systems, affective disorders (47.5% vs. 6.4%) (all p&lt;0.001), and reproductive system pathology, including obstetric pathology. Unlike SpA, MSK involvement and other manifestations of ChB did not respond adequately to NSAIDs and disappeared after antibiotic therapy.</p></sec><sec><title>Conclusion</title><p>Conclusion. The study identified distinctive clinical features that may help distinguish SpA from ChB.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>спондилоартрит</kwd><kwd>хронический бруцеллез</kwd><kwd>дифференциальная диагностика</kwd><kwd>сравнительный анализ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>spondyloarthritis</kwd><kwd>chronic brucellosis</kwd><kwd>differential diagnosis</kwd><kwd>comparative analysis</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">Poddubnyy D. Classification vs diagnostic criteria: The challenge of diagnosing axial spondyloarthritis. 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