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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">mrj</journal-id><journal-title-group><journal-title xml:lang="ru">Современная ревматология</journal-title><trans-title-group xml:lang="en"><trans-title>Modern Rheumatology Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1996-7012</issn><issn pub-type="epub">2310-158X</issn><publisher><publisher-name>IMA-PRESS, LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14412/1996-7012-2020-3-34-38</article-id><article-id custom-type="elpub" pub-id-type="custom">mrj-1043</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 INVESTIGATIONS</subject></subj-group></article-categories><title-group><article-title>Возможности скрининга высокого риска поражения осевого скелета при псориатическом артрите</article-title><trans-title-group xml:lang="en"><trans-title>Possibilities of screening for a high-risk axial skeletal lesion in psoriatic arthritis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Губарь</surname><given-names>Е. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Gubar</surname><given-names>E. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Ефимовна Губарь</p><p>115522, Москва, Каширское шоссе, 34А</p></bio><bio xml:lang="en"><p>Elena Efimovna Gubar</p><p>34A, Kashirskoe Shosse, Moscow 115522</p></bio><email xlink:type="simple">gubarelena@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Логинова</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Loginova</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34А</p></bio><bio xml:lang="en"><p>34A, Kashirskoe Shosse, Moscow 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корсакова</surname><given-names>Ю. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Korsakova</surname><given-names>Yu. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34А</p></bio><bio xml:lang="en"><p>34A, Kashirskoe Shosse, Moscow 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глухова</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Glukhova</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34А</p></bio><bio xml:lang="en"><p>34A, Kashirskoe Shosse, Moscow 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коротаева</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Korotaeva</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, Москва, Каширское шоссе, 34А</p></bio><bio xml:lang="en"><p>34A, Kashirskoe Shosse, Moscow 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><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><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>21</day><month>09</month><year>2020</year></pub-date><volume>14</volume><issue>3</issue><fpage>34</fpage><lpage>38</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Губарь Е.Е., Логинова Е.Ю., Корсакова Ю.Л., Глухова С.И., Коротаева Т.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Губарь Е.Е., Логинова Е.Ю., Корсакова Ю.Л., Глухова С.И., Коротаева Т.В.</copyright-holder><copyright-holder xml:lang="en">Gubar E.E., Loginova E.Y., Korsakova Y.L., Glukhova S.I., Korotaeva T.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://mrj.ima-press.net/mrj/article/view/1043">https://mrj.ima-press.net/mrj/article/view/1043</self-uri><abstract><p>Цель исследования – определение совокупности признаков, прогностически значимых для выявления высокого риска поражения осевого скелета при раннем псориатическом артрите (рПсА).</p><sec><title>Пациенты и методы</title><p>Пациенты и методы. Обследовано 95 больных (47 мужчин и 48 женщин) с длительностью периферического артрита ≤2 лет, соответствовавших критериям ПсА CASPAR (2006). Клиническая характеристика пациентов была представлена в ранее опубликованной работе. Всем пациентам проводили стандартное обследование, определение признаков воспалительной боли в спине (ВБС) по критериям ASAS, а также наличия HLA-B27, рентгенографию костей таза; 79 пациентам, независимо от наличия у них ВБС, выполняли магнитно-резонансную томографию (МРТ) крестцово-подвздошных суставов на низкопольном аппарате Signa Ovation 0,35 Т. Сакроилиит (СИ) по данным рентгенографии (рСИ) считался достоверным при наличии двусторонних изменений, соответствующих как минимум II стадии, или односторонних изменений как минимум III стадии по Kellgren. СИ по данным МРТ (МРТ-СИ) расценивался как активный при выявлении в режиме STIR остеита в прилежащих к суставу костях как минимум на двух срезах или при наличии двух сигналов на одном срезе. Результаты рентгенографии и МРТ оценивались независимым рентгенологом. Площадь поражения кожи определилась по BSA: при вовлечении &lt;3% она считалась незначительной, 3–10% – умеренной и &gt;10% распространенной.Пациенты были разделены на две группы. В 1-ю группу вошли 65 (68,4%) больных с аксиальными проявлениями ПсА (аксПсА): ВБС, и/или рСИ, и/или МРТ-СИ; во 2-ю – 30 (31,6%) пациентов без аксиальных проявлений, только с периферическим ПсА (пПсА). Для выделения группы признаков, наиболее характерных для аксПсА, был использован многомерный пошаговый дискриминантный анализ. Результаты и обсуждение. Сравнительный анализ двух групп показал, что среди больных с аксПсА было значимо больше лиц мужского пола, чем при пПсА: 39 (60%) и 8 (26,7%) соответственно (р=0,003). Позитивность по HLA-В27 также чаще выявлялась при аксПсА, чем при пПсА: у 30 (46,6%) и у 7 (23,3%) пациентов соответственно (р=0,02). В группе аксПсА было достоверно больше лиц с умеренной и высокой активностью заболевания по DAS, высоким уровнем СРБ и более тяжелым поражением кожи (BSA &gt;3%). Получено следующее дискриминантное классификационное правило, ассоциированное с аксПсА: 1,566 (если СРБ &gt;5 мг/л) + 0,957 (если HLA B-27+) + 0,986 (если BSA &gt;3%) + 1,845 (если активность по DAS умеренная или высокая) + 0,6 (если пол мужской) &gt;3,751 (p=0,0025). Чувствительность модели составила 68%, специфичность – 73%.</p></sec><sec><title>Заключение</title><p>Заключение. Совокупность таких признаков, как мужской пол, позитивность по HLA-B27, высокая или умеренная активность по индексу DAS, СРБ &gt;5 мг/л, BSA &gt;3%, прогностически значима для выявления высокого риска поражения осевого скелета при рПсА. Предложенная математическая модель может использоваться для скрининга пациентов с целью ранней диагностики аксиального поражения при рПсА.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective: to determine a set of signs that are prognostically significant for identifying a high-risk axial skeletal lesion in early psoriatic arthritis (ePsA).</p></sec><sec><title>Patients and methods</title><p>Patients and methods. Examinations were made in 95 patients (47 men and 48 women) with peripheral arthritis lasting for ≤2 years, who met the 2006 Classification Criteria for Psoriatic Arthritis (CASPAR). The clinical characteristics of the patients were presented in our previously published work. In all the patients, a standard examination was made and the signs of inflammatory back pain (IBP) were identified according to the Assessment of SpondyloArthritis International Society (ASAS) criteria, the presence of human leukocyte antigen B27 (HLA-B27) was determined, and pelvic bone X-ray was done; regardless of whether they had IBP, 79 patients underwent magnetic resonance imaging (MRI) of the sacroiliac joints using a low-field Signa Ovation 0.35 T. Sacroiliitis (SI) diagnosed based on radiography (rSI) was considered reliable if there were bilateral changes corresponding to at least Stage II or unilateral changes corresponding to at least Stage III according to the Kellgren system. SI diagnosed based on MRI (MRI-SI) was regarded as active when osteitis was detected in the STIR mode in the bones adjacent to the joint on at least two slices or in the presence of two signals in a slice. X-ray and MRI results were assessed by an independent radiologist. The extent of a skin lesion was determined from the body surface area (BSA): the extent was regarded insignificant, moderate, and significant with involvements of &lt;3%, 3–10%, and &gt;10%, respectively.The patients were divided into two groups. Group 1 included 65 (68.4%) patients with the manifestations of axial PsA (axPSA): IBP, and/or rSI, and/or MRI-SI; Group 2 consisted of 30 (31.6%) patients without axial manifestations, only with peripheral PsA (pPsA). Multivariate stepwise discriminant analysis was used to identify a group of signs that were most characteristic of axPsA.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. Comparative analysis of the two groups showed that there were more males among patients with axPsA than among those with pPsA (39 (60%) and 8 (26.7%), respectively) (p=0.003). HLA-B27 positivity was also more often detected in patients with axPSA than in those with pPsA (30 (46.6%) and 7 (23.3%) patients, respectively) (p=0.02). In the axPSA group, there were significantly more individuals with moderate and high DAS, high CRP levels, and a more severe skin lesion (BSA &gt;3%).The investigators obtained the following discriminant classification rule associated with axPSA: 1.566 (if CRP is &gt;5 mg/L) + 0.957 (if HLA-B27 is positive) + 0.986 (if BSA is &gt;3%) + 1.845 (if DAS is moderate or high) + 0.6 (if the sex is male) &gt;3.751 (p=0.0025). The sensitivity and specificity of the model were 68% and 73%, respectively.</p></sec><sec><title>Conclusion</title><p>Conclusion. The combination of signs, such as male sex, HLA-B27 positivity, high or moderate DAS, CRP &gt;5 mg/L, the extent of skin lesions according to BSA &gt;3%, is prognostically significant for identifying high-risk axial skeletal lesion in ePSA. The proposed mathematical model can be used to screen patients for the early diagnosis of an axial lesion in ePSA.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>риск аксиального поражения</kwd><kwd>ранний псориатический артрит</kwd><kwd>скрининг</kwd></kwd-group><kwd-group xml:lang="en"><kwd>risk for axial lesion</kwd><kwd>early psoriatic arthritis</kwd><kwd>screening</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено в рамках научной темы № 398 «Патогенетические особенности и персонифицированная терапия анкилозирующего спондилита и псориатического артрита» и в рамках технологии «Клинико-инструментальная характеристика аксиального поражения при псориатическом артрите», утвержденных Ученым советом ФГБНУ «Научно-исследовательский институт ревматологии им. В.А. Насоновой». По результатам исследования был получен патент на изобретение заявка №2020111499/14(019384).</funding-statement><funding-statement xml:lang="en">The investigation has been conducted within the framework of scientific topic №398 «Pathogenetic features and personalized therapy of ankylosing spondylitis and psoriatic arthritis» and within the framework of technology «Clinical and instrumental characteristics of an axial lesion in psoriatic arthritis», approved by the Academic Council of the V.A. Nasonova Research Institute of Rheumatology. A patent for an invention was obtained according to the results of the study: Application №2020111499/14 (019384).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Fernandez-Sueiro JL.The The challenge and need of defining axial psoriatic arthritis. 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