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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Kazan medical journal</journal-id><journal-title-group><journal-title xml:lang="en">Kazan medical journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Казанский медицинский журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0368-4814</issn><issn publication-format="electronic">2587-9359</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">41901</article-id><article-id pub-id-type="doi">10.17816/KMJ2020-652</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Theoretical and clinical medicine</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Теоретическая и клиническая медицина</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Predictive value of respiratory parameters in patients with obstructive sleep apnea and chronic heart failure with preserved ejection fraction</article-title><trans-title-group xml:lang="ru"><trans-title>Прогностическое значение параметров дыхания у пациентов с синдромом обструктивного апноэ во сне и хронической сердечной недостаточностью с сохранённой фракцией выброса</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yakovlev</surname><given-names>A V</given-names></name><name xml:lang="ru"><surname>Яковлев</surname><given-names>Алексей Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alex-yak-card@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mayanskaya</surname><given-names>S D</given-names></name><name xml:lang="ru"><surname>Маянская</surname><given-names>Светлана Дмитриевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alex-yak-card@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shilov</surname><given-names>S N</given-names></name><name xml:lang="ru"><surname>Шилов</surname><given-names>Сергей Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alex-yak-card@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Teplyakov</surname><given-names>A T</given-names></name><name xml:lang="ru"><surname>Тепляков</surname><given-names>Александр Трофимович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alex-yak-card@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shirinsky</surname><given-names>I V</given-names></name><name xml:lang="ru"><surname>Ширинский</surname><given-names>Иван Валерьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alex-yak-card@mail.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yakovleva</surname><given-names>N F</given-names></name><name xml:lang="ru"><surname>Яковлева</surname><given-names>Наталья Фаритовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alex-yak-card@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Novosibirsk State Medical University</institution></aff><aff><institution xml:lang="ru">Новосибирский государственный медицинский университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Kazan State Medical University</institution></aff><aff><institution xml:lang="ru">Казанский государственный медицинский университет</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Научно-исследовательский институт кардиологии Томского национального исследовательского медицинского центра Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Research Institute of Fundamental and Clinical Immunology</institution></aff><aff><institution xml:lang="ru">Научно-исследовательский институт фундаментальной и клинической иммунологии</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-10-27" publication-format="electronic"><day>27</day><month>10</month><year>2020</year></pub-date><volume>101</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>652</fpage><lpage>660</lpage><history><date date-type="received" iso-8601-date="2020-07-31"><day>31</day><month>07</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-09-18"><day>18</day><month>09</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Yakovlev A.V., Mayanskaya S.D., Shilov S.N., Teplyakov A.T., Shirinsky I.V., Yakovleva N.F.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Яковлев А.В., Маянская С.Д., Шилов С.Н., Тепляков А.Т., Ширинский И.В., Яковлева Н.Ф.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Yakovlev A.V., Mayanskaya S.D., Shilov S.N., Teplyakov A.T., Shirinsky I.V., Yakovleva N.F.</copyright-holder><copyright-holder xml:lang="ru">Яковлев А.В., Маянская С.Д., Шилов С.Н., Тепляков А.Т., Ширинский И.В., Яковлева Н.Ф.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2023-10-27"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://kazanmedjournal.ru/kazanmedj/article/view/41901">https://kazanmedjournal.ru/kazanmedj/article/view/41901</self-uri><abstract xml:lang="en"><p><bold>Aim.</bold> To study individual functional parameters of respiration in different phases of sleep in patients with obstructive sleep apnea (OSA) and chronic heart failure with preserved ejection fraction (HFpEF) and to assess their effect on the clinical course of the disease.</p> <p><bold>Methods.</bold> The study included 86 men with OSA [with an apnea-hypopnea index (AHI) ≥15 per hour]. Upon inclusion in the study, all patients underwent a polysomnographic study and echocardiography, the level of brain natriuretic peptide (NT-proBNP) was determined, a six-minute walk test was performed. After 12 months of prospective observation, the patients were divided into 2 groups according to the clinical course of chronic heart failure: with unfavorable (n=33) and favorable (n=53) clinical course. The prognostic significance of the studied parameters of respiration to the course of the disease was assessed by using logistic and linear regression.</p> <p><bold>Results.</bold> A significant role of the following respiratory parameters as predictors of chronic heart failure progression was established: obstructive apnea-hypopnea index for the entire night sleep [odds ratio (OR) 1.04, p=0.002] and in the phase of rapid eye movement sleep (REM) (ОR 1.24, p=0.001); the index of respiratory disorders for the entire sleep period (ОR 1.06, p=0.044) and in REM sleep phase (ОR 1.25, p=0.003). For hospital readmission, the predictive role was determined for obstructive apnea/hypopnea index for REM phase (ОR 1.07, p=0.044) and index of respiratory disorders for REM phase (ОR 1.13, p=0.040).</p> <p><bold>Conclusion.</bold> The prognostic value of the obstructive apnea-hypopnea index and the index of respiratory disorders for the entire night sleep and in the phase of REM sleep was revealed for patients with OSA and chronic heart failure with preserved ejection fraction, which allows considering these parameters as independent predictors of an unfavorable clinical course in this group of patients.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель.</bold> Изучить отдельные функциональные параметры дыхания в различные фазы сна у пациентов с синдромом обструктивного апноэ во сне и хронической сердечной недостаточностью с сохранённой фракцией выброса и оценить их влияние на клиническое течение заболевания.</p> <p><bold>Методы.</bold> В исследование были включены 86 мужчин с синдромом обструктивного апноэ во сне. Всем пациентам при включении в исследование были выполнены полисомнография, эхокардиография, определение уровня мозгового натрийуретического пептида, тест 6-минутной ходьбы. Через 12 мес проспективного наблюдения ретроспективно, в зависимости от характера течения хронической сердечной недостаточности пациенты были разделены на две группы: с неблагоприятным (n=33) и благоприятным (n=53) клиническим течением. При проведении статистического анализа для оценки прогностической значимости исследованных параметров дыхания в отношении течения заболевания использовали методы логистической и линейной регрессии.</p> <p><bold>Результаты.</bold> Установлена достоверная роль следующих параметров дыхания в качестве предикторов прогрессирования хронической сердечной недостаточности: индекса обструктивного апноэ/гипопноэ за весь ночной сон [отношение шансов (ОШ) в 1,04, p=0,002] и в фазу сна с быстрым движением глаз (REM-фазу) (ОШ 1,24, p=0,001); индекса дыхательных расстройств за весь период сна (ОШ 1,06, p=0,044) и в REM-­фазе сна (ОШ 1,25, p=0,003). Для повторных госпитализаций была определена прогностическая роль индекса обструктивного апноэ/гипопноэ в REM-фазе сна (ОШ 1,07, p=0,044) и индекса дыхательных расстройств в REM-фазе сна (ОШ 1,13, p=0,040).</p> <p><bold>Вывод.</bold> Выявлено прогностическое значение для пациентов с синдромом обструктивного апноэ во сне и хронической сердечной недостаточностью с сохранной фракцией выброса индекса обструктивного апноэ/гипопноэ и индекса дыхательных расстройств за весь период сна и избирательно в REM-фазе, что позволяет рассматривать данные параметры в качестве независимых предикторов неблагоприятного клинического течения в этой группе больных.</p></trans-abstract><kwd-group xml:lang="en"><kwd>chronic heart failure with preserved ejection fraction (HFpEF)</kwd><kwd>obstructive sleep apnea</kwd><kwd>rapid eye movement sleep</kwd><kwd>apnea-hypopnea index</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>хроническая сердечная недостаточность с сохранённой фракцией выброса</kwd><kwd>синдром обструктивного апноэ во сне</kwd><kwd>фаза сна с быстрым движением глаз</kwd><kwd>индекс апноэ/гипопноэ</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Butt M., Dwivedi G., Khair O., Lip G.Y.H. 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