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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">cardio</journal-id><journal-title-group><journal-title xml:lang="ru">Кардиология</journal-title><trans-title-group xml:lang="en"><trans-title>Kardiologiia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0022-9040</issn><issn pub-type="epub">2412-5660</issn><publisher><publisher-name>Kardiomag</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18087/cardio.2018.12.10176</article-id><article-id custom-type="elpub" pub-id-type="custom">cardio-374</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>АТЕРОСКЛЕРОЗ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ATHEROSCLEROSIS</subject></subj-group></article-categories><title-group><article-title>Связь липопротеида(а), фенотипов апобелка(а) и аутоантител против липопротеида(а) со стенозирующим атеросклерозом артерий нижних конечностей</article-title><trans-title-group xml:lang="en"><trans-title>The Association of Lipoprotein(a), Apolipoprotein(a) Phenotypes and Autoantibodies to Lipoprotein(a) With Lower Extremity Artery Disease</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>Тмоян</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tmoyan</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Tmoyan Narek A. – PhD.</p><p>Moscow</p></bio><email xlink:type="simple">ntmoyan@gmail.com</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>Афанасьева</surname><given-names>О. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Afanasieva</surname><given-names>O. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</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>Клесарева</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Klesareva</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</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>Афанасьева</surname><given-names>М. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Afanasieva</surname><given-names>M. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</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>Разова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Razova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</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>Ежов</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ezhov</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</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>Покровский</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Pokrovsky</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр кардиологии» МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Center of Cardiology of MoH of Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>25</day><month>12</month><year>2018</year></pub-date><volume>58</volume><issue>12</issue><fpage>45</fpage><lpage>51</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Kardiomag, 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Kardiomag</copyright-holder><copyright-holder xml:lang="en">Kardiomag</copyright-holder><license xlink:href="https://cardio.elpub.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://cardio.elpub.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://cardio.elpub.ru/jour/article/view/374">https://cardio.elpub.ru/jour/article/view/374</self-uri><abstract><p>Липопротеид(а) [Лп(а)] и низкомолекулярный фенотип апобелка (а) [апо(а)] являются факторами риска развития ишемической болезни сердца и инсульта. Данных о роли Лп(а) и фенотипов апо(а) в возникновении атеросклероза артерий нижних конечностей недостаточно.</p><sec><title>Цель исследования</title><p>Цель исследования. Изучение связи Лп(а), фенотипов апо(а) и аутоантител (аутоАТ) против апобелок В100 (апоВ100) – содержащих липопротеидов со стенозирующим атеросклерозом артерий нижних конечностей.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В исследование были включены 622 пациента (386 мужчин и 236 женщин, средний возраст 61±12 лет), проходивших плановое обследование в отделе проблем атеросклероза ФГБУ «Национальный медицинский исследовательский центр кардиологии» МЗ РФ. Пациенты были разделены на 2 группы: основную группу составили 284 пациента со стенозирующим (≥50 %) атеросклерозом артерий нижних конечностей, контрольную группу – 338 пациентов без клинически значимого атеросклероза коронарных, сонных артерий и артерий нижних конечностей. Определение уровня липидов и Лп(а) выполнено у всех пациентов, определение аутоАТ против апоВ100­содержащих липопротеидов – у 247, фенотипирование апо(а) – у 389.</p></sec><sec><title>Результаты</title><p>Результаты. В основной группе по сравнению с контрольной было больше мужчин, выше средний возраст, частота развития артериальной гипертонии, сахарного диабета (СД) и курения (p&lt;0,001 во всех случаях). Концентрация Лп(а) у пациентов со стенозирующим атеросклерозом артерий нижних конечностей была выше, чем в контрольной группе: 35 [14; 67] и 14 [5; 32] мг / дл соответственно (p&lt;0,001). При построении кривых операционных характеристик концентрация Лп(а) ≥26 мг / дл была связана с наличием стенозирующего атеросклероза артерий нижних конечностей с чувствительностью 61 % и специфичностью 70 %. Уровень Лп(а) ≥26 мг / дл и низкомолекулярный фенотип апо (а) в основной группе выявлялись чаще, чем в контрольной: 61 % против 30 % и 48 % против 26 % соответственно (p&lt;0,001 в обоих случаях). Концентрация Лп(а) ≥26 мг / дл ассоциировалась с наличием стенозирующего атеросклероза артерий нижних конечностей с отношением шансов (ОШ) 3,7 (при 95 % доверительном интервале – ДИ от 2,6 до 5,1; p&lt;0,001), а низкомолекулярный фенотип апо(а) – с ОШ 2,6 (95 % ДИ от 1,7 до 4,0; p&lt;0,001). По результатам логистического регрессионного анализа, Лп(а) или низкомолекулярный фенотип апо(а) наряду с возрастом, полом, наличием артериальной гипертонии, курения, СД являлись независимыми предикторами стенозирующего атеросклероза артерий нижних конечностей. Уровень аутоАТ против Лп(а) класса М у пациентов контрольной группы был значительно выше, чем у пациентов со стенозирующим атеросклерозом артерий нижних конечностей (p=0,01). Cодержание в плазме аутоАТ класса G против Лп(а) и ЛНП существенно не различались в основной и контрольной группах.</p></sec><sec><title>Заключение</title><p>Заключение. Уровень Лп(а) ≥26 мг/дл и низкомолекулярный фенотип апо(а) являются независимыми предикторами стенозирующего атеросклероза артерий нижних конечностей, тогда как вклад аутоАТ против Лп(а) в патогенез атеросклероза артерий нижних конечностей сомнителен.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. Lipoprotein(a) [Lp(a)] and low molecular weight (LMW) apolipoprotein(a) [apo(a)] phenotype are risk factors of сoronary heart disease and stroke. Data about the role of Lp(a) and phenotypes apo(a) in the development of lower extremity artery disease (LEAD) is scarce. The aim of our study was to assess the association of Lp(a), apo(a) phenotypes and autoantibodies to apolipoprotein B100 (apoB100) lipoproteins with LEAD.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study included 622 patients (386 male and 236 female, average age 61±12 years), examined in the Department of Atherosclerosis of National Medical Research Center of Cardiology. Patients were divided into 2 groups: the main group included 284 patients with LEAD, 338 patients without significant atherosclerosis of coronary, carotid and lower limbs arteries formed the control group. LEAD was diagnosed as atherosclerotic lesions with at least one stenosis of low limb artery ≥50 % and ankle­brachial index ≤0.9. The concentration of Lp(a), lipids was measured in blood serum of all the patients, level of autoantibodies to apoB100 lipoproteins was measured in 247 patients, and apo(a) phenotypes were determined in 389 patients.</p></sec><sec><title>Results</title><p>Results. Patients with LEAD were older, were more frequently male, and had a greater prevalence of risk factors including hypertension, type 2 diabetes, smoking than the control group patients (p&lt;0.001 in all the cases). The level of Lp(a) was significantly higher in the main group compared to control group: 35 [14; 67] mg / dl vs. 14 [5; 32] mg / dl, p&lt;0,001. ROC analysis demonstrated that the level of Lp(a) ≥26 mg / dl was associated with LEAD (sensitivity 61 %, specificity 70 %). The prevalence of Lp(a) ≥26 mg / dl and LMW apo(a) phenotype were higher in the main group in comparison with the control group: 61 % vs. 30 % and 48 % vs. 26 % respectively (p&lt;0.001 in the both cases). The odds ratio of LEAD in the presence of Lp(a) ≥26 mg / dl was 3.7 (95 % confidence interval (CI), 2.6–5.1, p&lt;0.001) and in the presence of LMW apo(a) phenotype was 2.6 (95 % CI, 1.7–4.0, p&lt;0.001). In logistic regression analysis adjusted for age, sex, hypertension, smoking, diabetes, both Lp(a) and LMW apo(a) phenotype were independent predictors of LEAD when included separately. The level of IgM autoantibodies to Lp(a) was significantly higher in the control group compared to the patients with LEAD (p=0.01). Concentration of IgG autoantobodies to Lp(a) and LDL in the plasma did not differ essentially in the both groups.</p></sec><sec><title>Conclusion</title><p>Conclusion. The level of Lp(a) ≥26 mg / dl and LMW apo(a) phenotype are independent predictors of LEAD, whereas the contribution of autoantobodies to Lp(a) in LEAD development is controversial.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>липопротеид(а)</kwd><kwd>апобелок(а)</kwd><kwd>атеросклероз артерий нижних конечностей</kwd><kwd>периферический атеросклероз</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lipoprotein(a)</kwd><kwd>apolipoprotein(a)</kwd><kwd>lower extremity artery disease</kwd><kwd>peripheral artery disease</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">Fowkes F. G., Rudan D., Rudan I. et al. Comparison of global estimates of prevalence and risk factors for peripheral artery disease in 2000 and 2010: a systematic review and analysis. 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