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<article article-type="research-article" dtd-version="1.2" xml:lang="ru" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><front><journal-meta><journal-id journal-id-type="issn">2658-6533</journal-id><journal-title-group><journal-title>Научные результаты биомедицинских исследований</journal-title></journal-title-group><issn pub-type="epub">2658-6533</issn></journal-meta><article-meta><article-id pub-id-type="doi">10.18413/2313-8955-2016-2-1-17-23</article-id><article-id pub-id-type="publisher-id">71</article-id><article-categories><subj-group subj-group-type="heading"><subject>Клиническая медицина</subject></subj-group></article-categories><title-group><article-title>МЕТАБОЛИЗМ КСАНТИНОВ ПРИ ПРОГРЕССИРОВАНИИ ХРОНИЧЕСКОЙ СЕРДЕЧНОЙ НЕДОСТАТОЧНОСТИ: ОСОБЕННОСТИ НАРУШЕНИЙ У БОЛЬНЫХ С СОПУТСТВУЮЩЕЙ ХРОНИЧЕСКОЙ БОЛЕЗНЬЮ ПОЧЕК</article-title><trans-title-group xml:lang="en"><trans-title>XANTHINE METABOLISM IN THE PROGRESSION OF CHRONIC HEART FAILURE: FEATURES OF DISORDERS IN PATIENTS WITH CONCOMITANT CHRONIC KIDNEY DISEASE</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Коломиец</surname><given-names>Марина Владимировна</given-names></name><name xml:lang="en"><surname>Kolomiiets</surname><given-names>Maryna V.</given-names></name></name-alternatives><email>kolomiec.mv@mail.ru</email></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Бильченко</surname><given-names>Александр Викторович</given-names></name><name xml:lang="en"><surname>Bilchenko</surname><given-names>Alexander V.</given-names></name></name-alternatives><email>bilchenko.post@gmail.com</email></contrib></contrib-group><pub-date pub-type="epub"><year>2016</year></pub-date><volume>2</volume><issue>1</issue><fpage>0</fpage><lpage>0</lpage><self-uri content-type="pdf" xlink:href="/media/medicine/2016/1/med3.pdf" /><abstract xml:lang="ru"><p>В статье приведены данные исследования по изучению нарушений обмена ксантинов у больных хронической сердечной недостаточностью (ХСН) в зависимости от наличия или отсутствия у них сопутствующей хронической болезни почек (ХБП) на разных стадиях заболевания. Отмечено значимое повышение активности ксантиноксидазы у больных хронической сердечной недостаточностью с сопутствующей хронической болезнью почек, что доказывает изменение метаболизма у данной категории пациентов в сторону оксидазного пути образования мочевой кислоты. Продемонстрировано негативное влияние нарушений обмена ксантинов на клиническое течение ХСН и прогрессирование функционального класса сердечной недостаточности. При этом у больных ХСН с ХБП прогрессирование функционального класса и снижение фракции выброса левого желудочка связано с повышением активности ксантиноксидазы, в то время как у больных ХСН без сопутствующей ХБП &amp;ndash; лишь с повышением уровней мочевой кислоты сыворотки крови. Полученные результаты также указывают на важную роль системы ксантиноксидазы в ухудшении функции почек.</p></abstract><trans-abstract xml:lang="en"><p>The article presents some data of the xanthine metabolism violations study in patients with chronic heart failure and concomitant chronic kidney disease at different stages. The study demonstrates a significant increase in xanthine oxidase activity, that confirms changes of metabolism towards oxidase pathway of uric acid in patients with chronic heart failure with concomitant chronic kidney disease. The negative impact of xanthine metabolism violations on the clinical course and progression of heart failure functional class was demonstrated. Thus in patients with CHF and CKD the progression of functional class and decrease in the left ventricular ejection fraction was associated with increased xanthine oxidase activity, while in patients without concomitant CKD it was associated only with increased serum uric acid levels. The obtained results also show the important role of xanthine oxidase system in the impaired kidney function.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ксантиноксидаза</kwd><kwd>хроническая сердечная недостаточность</kwd><kwd>хроническая болезнь почек</kwd><kwd>гиперурикемия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>xanthine oxidase</kwd><kwd>chronic heart failure</kwd><kwd>chronic kidney disease</kwd><kwd>hyperuricemia</kwd></kwd-group></article-meta></front><back><ref-list><title>Список литературы</title><ref id="B1"><mixed-citation>Doehner W. Xanthine oxidase and uric acid in cardiovascular disease: clinical impact and therapeutic options // Semin Nephrol. 2011. №31(5). Pp. 433&amp;ndash;440;</mixed-citation></ref><ref id="B2"><mixed-citation>Filiopoulos V. New insights into uric acid effects on the progression and prognosis of chronic kidney disease // Ren Fail. 2012. № 34(4). Pp. 510&amp;ndash;520;</mixed-citation></ref><ref id="B3"><mixed-citation>Filippatos G.S. 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