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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">microcirculation</journal-id><journal-title-group><journal-title xml:lang="ru">Регионарное кровообращение и микроциркуляция</journal-title><trans-title-group xml:lang="en"><trans-title>Regional blood circulation and microcirculation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-6655</issn><issn pub-type="epub">2712-9756</issn><publisher><publisher-name>Academician I.P. Pavlov First St. Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24884/1682-6655-2014-13-4-49-57</article-id><article-id custom-type="elpub" pub-id-type="custom">microcirculation-309</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>ОРИГИНАЛЬНЫЕ СТАТЬИ (КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES (CLINICAL INVESTIGATIONS)</subject></subj-group></article-categories><title-group><article-title>Исследование состояния эндотелиального механизма регуляции тонуса микрососудов у больных острым тяжелым панкреатитом</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of the endothelium-dependent mechanism of microvascular tone regulation in patients with severe acute pancreatitis</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>Попов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Popov</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Ершова</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Ershova</surname><given-names>A. I.</given-names></name></name-alternatives><email xlink:type="simple">ershovaa@inbox.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Подтаев</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Podtaev</surname><given-names>S. Yu.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Пермская государственная медицинская академия им. акад. Е.А. Вагнера</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Perm State Medical Academy</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Пермская государственная медицинская академия им. акад. Е.А. Вагнера; Институт механики сплошных сред Уральского отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Perm State Medical Academy; Institute of continous media mechanics UrB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт механики сплошных сред Уральского отделения РАН; Научно-исследовательский центр «ФМ-Диагностика»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of continous media mechanics UrB RAS; Research Center FM Diagnostics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2014</year></pub-date><volume>13</volume><issue>4</issue><fpage>49</fpage><lpage>57</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Попов А.В., Ершова А.И., Подтаев С.Ю., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Попов А.В., Ершова А.И., Подтаев С.Ю.</copyright-holder><copyright-holder xml:lang="en">Popov A.V., Ershova A.I., Podtaev S.Y.</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.microcirc.ru/jour/article/view/309">https://www.microcirc.ru/jour/article/view/309</self-uri><abstract><p>Цель исследования - изучение эндотелиального механизма регуляции микроциркуляторного русла с помощью вейвлет-анализа колебаний кожной температуры у больных тяжелым острым панкреатитом (ОП). Обследованы 22 больных тяжелым ОП. В контрольную группу вошли 12 здоровых лиц. Состояние микроциркуляции оценивали с помощью прибора «Микротест» (г. Пермь, Россия) при проведении контрлатеральной холодовой пробы. Рассчитывали среднеквадратичные амплитуды колебаний в эндотелиальном частотном диапазоне в четырех временных интервалах: до, во время, в течение 3-х и последующих 6-ти минут после пробы. Во время холодового прессорного теста у здоровых лиц амплитуды колебаний кожной температуры снижались, а после его завершения - восстанавливались в течение 3-х минут. При тяжелом ОП исходные амплитуды колебаний кожной температуры были ниже, чем у здоровых добровольцев, а статистически значимые изменения на холодовую нагрузку и после нее отсутствовали. При проведении кластерного анализа выявлено 3 типа реакции микроциркуляции. Первый тип реакции характеризовался снижением амплитуд колебаний кожной температуры на холодовую пробу и их восстановлением до исходных значений в течение 3-х минут после нагрузки. Второй тип реакции отличался отсутствием реакции как на холодовое воздействие, так и после его завершения. При третьем типе наблюдалось повышение амплитуд колебаний в ответ на холодовое воздействие и в течение 3-х минут после его окончания. Пациенты с тяжелым ОП имеют аномально низкую активность эндотелиального механизма регуляции тонуса сосудов по сравнению со здоровыми лицами, сопровождающуюся тяжелыми нарушениями вазоконстрикции и вазодилатации. Наше исследование подтверждает возможность использования вейвлет-анализа низкочастотных температурных колебаний для изучения механизмов регуляции сосудистого тонуса микрососудов у больных тяжелым ОП.</p></abstract><trans-abstract xml:lang="en"><p>Objective. To study the endothelium-dependent mechanism(s) of microvascular tone regulation using wavelet analysis of skin temperature fluctuations in patients with severe acute pancreatitis (AP). Materials and methods. 22 patients with severe AP were examined. The control group included 12 healthy individuals. Microcirculation was assessed using «Microtest» device (Perm, Russia) during contralateral cold test. The amplitudes of RMS oscillations were calculated in the endothelial frequency range in four time periods: before the cold test, during it, and within 3 and 6 minutes after it. Results. In healthy subjects the amplitudes of skin temperature oscillations significantly decreased during the test, and increased after exposure to cold. In severe AP the initial amplitudes of the skin temperature oscillations were lower than in healthy volunteers. There were no statistically significant changes to cold test and after it. The cluster analysis revealed 3 types of reactions of microcirculation. The first type is characterized by a decrease in the amplitudes of skin temperature oscillations during the cold test and recovery to baseline values within 3 minutes after it. The second type is characterized by a lack of reaction to cold exposure as well as after its completion. In the third type, the increase of oscillation amplitudes was observed in response to cold exposure and 3 minutes after it. Conclusion. Patients with severe AP have abnormally low activity of endothelium-dependent vascular tone regulation accompanied by severe disorders of vasoconstriction and vasodilation. Our study confirms the possibility of using wavelet analysis of low-frequency temperature fluctuations to study the mechanisms of microvascular tone regulation in patients with severe AP.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>острый тяжелый панкреатит</kwd><kwd>эндотелиальная дисфункция</kwd><kwd>вейвлет-анализ колебаний кожной температуры</kwd><kwd>acute pancreatitis</kwd><kwd>endothelial dysfunction</kwd><kwd>skin temperature fluctuations</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">Бахтияров Р. З. Современные методы исследования функции эндотелия // Росс. кардиол. журн. 2004. № 2. С. 76-79.</mixed-citation><mixed-citation xml:lang="en">Бахтияров Р. З. Современные методы исследования функции эндотелия // Росс. кардиол. журн. 2004. № 2. 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