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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">vmireaviz</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник медицинского института «РЕАВИЗ». Реабилитация, Врач и Здоровье</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of the Medical Institute "REAVIZ" (REHABILITATION, DOCTOR AND HEALTH)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-762X</issn><issn pub-type="epub">2782-1579</issn><publisher><publisher-name>РЕАВИЗ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20340/vmi-rvz.2021.5.CLIN.6</article-id><article-id custom-type="elpub" pub-id-type="custom">vmireaviz-305</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>Клиническая медицина</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Clinical medicine</subject></subj-group></article-categories><title-group><article-title>Анализ частотных диапазонов вариабельности сердечного ритма и ошибок оценок дыхательной синусовой аритмии при старении</article-title><trans-title-group xml:lang="en"><trans-title>Analysis of frequency ranges of heart rate variability and estimation errors of respiratory sinus arrhythmia in aging</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0116-9890</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бахилин</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Bahilin</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бахилин Виктор Михайлович, научный сотрудник лаборатории информатики и статистики</p><p>Санкт-Петербург </p></bio><bio xml:lang="en"><p>St. Petersburg </p></bio><email xlink:type="simple">bahilin7209-1@ust-hk.com.cn</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский научно-исследовательский институт уха, горла, носа и речи</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg Research Institute of Ear, Throat, Nose and Speech</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>31</day><month>08</month><year>2021</year></pub-date><volume>11</volume><issue>5</issue><fpage>113</fpage><lpage>121</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бахилин В.М., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Бахилин В.М.</copyright-holder><copyright-holder xml:lang="en">Bahilin V.M.</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://vestnik.reaviz.ru/jour/article/view/305">https://vestnik.reaviz.ru/jour/article/view/305</self-uri><abstract><p>Клиническая значимость вариабельности сердечного ритма (ВСР) была оценена в конце прошлого века несмотря на то, что исследования ВСР проводились с середины XIX века. В последние годы ВСР все чаще используется для неинвазивного мониторинга вегетативной нервной системы. Однако интерпретация особенностей ВСР до настоящего времени остается не до конца понятой и широко обсуждаемой. Известно, что колебания ВСР создаются различными регуляторными системами организма, имеющими разные собственные частоты. Оцениваемыми параметрами ВСР являются показатели SDNN и RMSSD – стандартные отклонения ряда RR-интервалов и ряда первых разностей RR-интервалов соответственно. Целью статьи были расчеты снижения мощности при старении в различных частотных диапазонах, анализ ошибок спектральных оценок и сравнение спектральных оценок ДСА со значениями показателей RMSSD. В качестве исходных данных использованы одновременные записи ЭКГ и дыхания базы данных Fantasia Physio Bank. За эталонные оценки приняты мощности в диапазоне частоты дыхания, найденном по записям измерений дыхания. Показано, что с возрастом быстрее всего снижается мощность HF диапазона, а наиболее медленно – VLF диапазона. Амплитуды колебаний HF диапазона сравниваются со значениями показателей RMSSD. Предлагается рассматривать показатель RMSSD как оценку скоростного параметра регуляторной системы. Спектральными методами оцениваются мощности отдельных частотных диапазонов. Для неинвазивного мониторинга вегетативной нервной системы используются спектральные оценки мощностей LF и HF диапазонов. При старении, стрессе, различных заболеваниях активность регуляторных систем снижается, однако остается неясным, в каких регуляторных системах и в какой мере происходят нарушения.</p></abstract><trans-abstract xml:lang="en"><p>The clinical significance of heart rate variability (HRV) was assessed at the end of the last century, despite the fact that HRV studies have been conducted since the mid-19th century. In recent years, HRV has been increasingly used for non-invasive monitoring of the autonomic nervous system. However, the interpretation of HRV features is still not fully understood and widely discussed. It is known that HRV fluctuations are created by various regulatory systems of the body, which have different natural frequencies. The estimated HRV parameters are SDNN and RMSSD indicators – standard deviations of a number of RR-intervals and a number of first differences of RR-intervals, respectively. The purpose of the article was to calculate the power decrease with aging in different frequency ranges, analyze the errors of spectral estimates, and compare the spectral estimates of RSA with the values of RMSSD indicators. Simultaneous ECG and respiration records from the Fantasia Physio Bank database were used as initial data. For reference estimates, the powers in the range of respiration rate found from the records of respiration measurements are taken. It is shown that with age the power of the HF range decreases most rapidly, and the VLF range decreases most slowly. HF oscillation amplitudes are compared with RMSSD values. It is proposed to consider the RMSSD indicator as an assessment of the speed parameter of the regulatory system. Spectral methods are used to estimate the power of individual frequency ranges. For non-invasive monitoring of the autonomic nervous system, spectral estimates of the power of the LF and HF ranges are used. With aging, stress, and various diseases, the activity of regulatory systems decreases, but it remains unclear in which regulatory systems and to what extent violations occur.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>частотный диапазон</kwd><kwd>вариабельность</kwd><kwd>сердечный ритм</kwd><kwd>оценка дыхательной системы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>frequency range</kwd><kwd>variability</kwd><kwd>heart rate</kwd><kwd>assessment of the respiratory system</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">Task Force of the European Society of Cardiology the North American Society of Pacing Electrophysiology. Guidelines Heart rate variability Standards of measurement, physiological interpretation, and clinical use. 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