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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Medicine</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Медицина</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-0245</issn><issn publication-format="electronic">2313-0261</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">3526</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">The blood-groove and the biomechanics of the pulmonary artery at patients with COLD I and II stages</article-title><trans-title-group xml:lang="ru"><trans-title>Кровоток и биомеханика легочной артерии у больных ХОБЛ I и II стадии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Davydkin</surname><given-names>I L</given-names></name><name xml:lang="ru"><surname>Давыдкин</surname><given-names>И Л</given-names></name></name-alternatives><bio xml:lang="en">Кафедра госпитальной терапии с курсом трансфузиологии; Самарский Государственный медицинский университет; Samara State Medical University</bio><bio xml:lang="ru">Кафедра госпитальной терапии с курсом трансфузиологии; Самарский Государственный медицинский университет</bio><email>Dagi2006@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Fatenkova</surname><given-names>E S</given-names></name><name xml:lang="ru"><surname>Фатенкова</surname><given-names>Е С</given-names></name></name-alternatives><bio xml:lang="en">Кафедра госпитальной терапии с курсом трансфузиологии; Самарский Государственный медицинский университет; Samara State Medical University</bio><bio xml:lang="ru">Кафедра госпитальной терапии с курсом трансфузиологии; Самарский Государственный медицинский университет</bio><email>efatenkova@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Samara State Medical University</institution></aff><aff><institution xml:lang="ru">Самарский Государственный медицинский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2010-03-15" publication-format="electronic"><day>15</day><month>03</month><year>2010</year></pub-date><issue>3</issue><issue-title xml:lang="en">NO3 (2010)</issue-title><issue-title xml:lang="ru">№3 (2010)</issue-title><fpage>133</fpage><lpage>138</lpage><history><date date-type="received" iso-8601-date="2016-09-07"><day>07</day><month>09</month><year>2016</year></date></history><permissions><copyright-statement xml:lang="ru">Copyright ©; 2010, Давыдкин И.Л., Фатенкова Е.С.</copyright-statement><copyright-year>2010</copyright-year><copyright-holder xml:lang="ru">Давыдкин И.Л., Фатенкова Е.С.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/medicine/article/view/3526">https://journals.rudn.ru/medicine/article/view/3526</self-uri><abstract xml:lang="en">The blood-groove in the pulmonary artery was studied by the method of the Echocardiography in the impulse doppler mode and the biomechanic by the method of the automated analysis rheogramma of the pulmonary artery at 23 patient with COLD l stage (GOLD, 2006) and at 35 patient with COLD ll stage. The violation of haemodynamics were realised by increase in high-speed parametres at patients with COLD l stage and lowering at patients COLD ll stage. The average pressure in the pulmonary artery authentically exceeded the normal amounts at patient both groups. The biomechanics violations were characterised hypodynamy in the systole of the pulmonary artery.</abstract><trans-abstract xml:lang="ru">Изучены кровоток в легочной артерии методом Эхо КГ в импульсном допплеровском режиме и биомеханику методом автоматизированного анализа реограммы легочной артерии у 23 больных ХОБЛ I стадии (GOLD, 2006) и у 35 больных ХОБЛ II стадии. Нарушения гемодинамики проявились увеличением скоростных параметров у больных ХОБЛ I и снижением у больных ХОБЛ II стадии. Среднее давление в легочной артерии достоверно превышало нормальные величины у больных обеих групп. Нарушения биомеханики характеризовались гиподинамией в систолу легочной артерии.</trans-abstract><kwd-group xml:lang="en"><kwd>the pulmonary artery</kwd><kwd>haemodynamics</kwd><kwd>biomechanics</kwd><kwd>the automated analysis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>легочная артерия</kwd><kwd>гемодинамика</kwd><kwd>биомеханика</kwd><kwd>автоматизированный анализ</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Авдеев С.Н. Легочная гипертензия у больных хронической обструктивной болезнью легких // Хроническая обструктивная болезнь легких / Под ред. А.Г. Чучалина. - М.: Атмосфера, 2008. - С. 303 - 322.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Zielinski J., Mac Nee W., Wedzicha J. et al. Causes of death in patient with COPD and chronic respiratory failure // Monaldi Arch. 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