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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">actabiomedica</journal-id><journal-title-group><journal-title xml:lang="ru">Acta Biomedica Scientifica</journal-title><trans-title-group xml:lang="en"><trans-title>Acta Biomedica Scientifica</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2541-9420</issn><issn pub-type="epub">2587-9596</issn><publisher><publisher-name>Scientific Centre for Family Health and Human Reproduction Problems</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29413/ABS.2018-3.1.1</article-id><article-id custom-type="elpub" pub-id-type="custom">actabiomedica-530</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>ВНУТРЕННИЕ БОЛЕЗНИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INTERNAL DISEASES</subject></subj-group></article-categories><title-group><article-title>Динамика функции почек у пациентов с фибрилляцией предсердий: взаимосвязи с системным фиброзом и жёсткостью сосудистой стенки</article-title><trans-title-group xml:lang="en"><trans-title>Dynamics of renal function in patients with atrial fibrillation: interrelations with systemic fibrosis and arterial stiffness</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>Доржиева</surname><given-names>В. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Dorzhieva</surname><given-names>V. Z.</given-names></name></name-alternatives><email xlink:type="simple">mer_valentina@mail.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>Протасов</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Protasov</surname><given-names>K. V.</given-names></name></name-alternatives><email xlink:type="simple">k.v.protasov@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутская государственная медицинская академия последипломного образования - филиал ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</institution></aff><aff xml:lang="en"><institution>Irkutsk State Medical Academy of Postgraduate Education - Branch Campus of the Russian Medical Academy of Continuing Professional Education</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>28</day><month>02</month><year>2018</year></pub-date><volume>3</volume><issue>1</issue><fpage>9</fpage><lpage>14</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Доржиева В.З., Протасов К.В., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Доржиева В.З., Протасов К.В.</copyright-holder><copyright-holder xml:lang="en">Dorzhieva V.Z., Protasov K.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.actabiomedica.ru/jour/article/view/530">https://www.actabiomedica.ru/jour/article/view/530</self-uri><abstract><p>Взаимосвязь фибрилляции предсердий (ФП) с функцией почек, влияние процессов фиброзирования на темпы снижения почечной функции у пациентов с ФП мало изучены. Цель исследования: изучить в динамике функцию почек во взаимосвязи с активностью фиброза и артериальной жёсткостью у больных молодого и среднего возраста с фибрилляцией предсердий. Обследовано 50 мужчин; средний возраст - 53,0 (48,058,0) года. Определяли уровни креатинина и цистатина С (цис С) в сыворотке крови с расчётом скорости клубочковой фильтрации (СКФ) исходно и через 12 месяцев. Активность системного фиброза оценивали с помощью матриксной металлопротеиназы-2 (ММП-2) и трансформирующего фактора роста-ßl (ТФР-ßl) сыворотки крови. Для оценки системной сосудистой жёсткости измеряли центральное давление в аорте и скорость распространения пульсовой волны. Изучали взаимосвязи динамики функции почек с сывороточными маркерами фиброза и показателями сосудистой жёсткости. Результаты показали, что в течение года у 20,0 % пациентов молодого и среднего возраста с ФП отмечается ухудшение функции почек в виде снижения СКФ более чем на 10 мл/мин/1,73 м2 или до уровня ниже &lt; 60 мл/мин/1,73 м2. Данная подгруппа пациентов характеризуется большей выраженностью системного фиброза и сосудистой жёсткости по показателям ММП-2, ТФР-β1 и центрального пульсового давления в аорте.</p></abstract><trans-abstract xml:lang="en"><p>The aim was to study the dynamics of renal function in relation to the fibrosis activity and the arterial stiffness in young and middle-aged patients with atrial fibrillation (AF). Materials and methods. 50 young and middle-aged men with AF were examined. The average age was 53.0 (48.0-58.0). The serum levels of creatinine and cystatin C (Cys C) were determined and the glomerular filtration rate (eGFR) was calculated initially and after 12 months. The activity of systemic fibrosis was assessed by serum metalloproteinase-2 (MMP-2) and transforming growth factor-ß1 (TGF-ß1) determining. To assess systemic vascular stiffness central aortic pressure and pulse wave velocity (PWV) were measured. Results. Renal impairment defined as eGFR decrease by more than 10 ml/min/1.73 m2 or to the level below than 60 ml/min/1.73 m2 throughout the year was registered in 10 (20.0 %) patients. The concentration of MMP-2 and TGF-ß1 was higher in the subgroup with the eGFR decline compared to the patients without renal function impairment (21.1 (17.4-25.9) and 16.5 (13.0-19.2) ng/ml (p = 0.038); 3.01 (0.09-17.4), and 0.08 (0-1.3) ng/ml (p = 0.041). Central aortic pulse pressure was also higher in the patients with eGFR decline (45.5 (42.0-49.0) and 38.0 (31.0-41.0) mmHg; p = 0.036). The PWV levels did not differ in the subgroups. Conclusion. The renal function impairment throughout a follow-up period of 12 months was registered in 20.0 % of young and middle-aged patients with AF. This subgroup of AF patients was characterized by increased activity of systemic fibrosis and vascular stiffness in terms of matrix metalloproteinase-2, transforming growth factor-ß1 and central aortic pulse pressure levels.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фибрилляция предсердий</kwd><kwd>хроническая болезнь почек</kwd><kwd>скорость клубочковой фильтрации</kwd><kwd>матриксная металлопротеиназа-2</kwd><kwd>трансформирующий фактор роста-β1</kwd><kwd>центральное пульсовое давление</kwd></kwd-group><kwd-group xml:lang="en"><kwd>atrial fibrillation</kwd><kwd>chronic kidney disease</kwd><kwd>glomerular filtration rate</kwd><kwd>matrix metalloproteinase-2</kwd><kwd>transforming growth factor- beta 1</kwd><kwd>central pulse pressure</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">Драпкина О.М., Емельянов А.В. 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