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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">10.24884/1682-6655-2023-22-4-35-41</article-id><article-id custom-type="elpub" pub-id-type="custom">microcirculation-1245</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>Лазерная флоуметрия микроциркуляции крови пальца руки в зависимости от внешней температуры и положения конечности</article-title><trans-title-group xml:lang="en"><trans-title>Laser flowmetry of microcirculation of the finger depending on the external temperature and the limb position</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9080-0057</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скрипаль</surname><given-names>Ан. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Skripal</surname><given-names>An. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Скрипаль Анатолий Владимирович – д-р физ.-мат. наук, профессор, зав. кафедрой медицинской физики</p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Skripal Anatoly V. – Doctor of Physical and Mathematical Sciences, Professor, head of the Department of Medical Physics</p><p>Saratov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-9411-1740</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фаркад</surname><given-names>Аль-Бадри</given-names></name><name name-style="western" xml:lang="en"><surname>Farkad</surname><given-names>Al-Badri</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аль-Бадри Фаркад – аспирант кафедры медицинской физики</p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Farkad Al-Badri – Postgraduate student of the Department of Medical Physics</p><p>Saratov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5835-9428</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Машков</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mashkov</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Машков Константин Владимирович – аспирант кафедры медицинской физики</p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Mashkov Konstantin V. – Postgraduate student of the Department of Medical Physics</p><p>Saratov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4004-875X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Усанов</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Usanov</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Усанов Андрей Дмитриевич – канд. физ.-мат. наук, доцент кафедры медицинской физики</p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Usanov Andrey D. – Candidate of Physical and Mathematical Sciences, Associate Professor of the Department of Medical Physics</p><p>Saratov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аверьянов</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Averyanov</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аверьянов Андрей Петрович – д-р мед. наук, профессор кафедры пропедевтики детских болезней, детской эндокринологии и диабетологии</p><p>410012, г. Саратов, ул. Большая Казачья, д. 112</p></bio><bio xml:lang="en"><p>Averyanov Andrey P. – Doctor of Medical Sciences, Professor of the Department of Propaedeutics of Children’s Diseases, Pediatric Endocrinology and Diabetology</p><p>Saratov</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Саратовский национальный исследовательский государственный университет имени Н. Г. Чернышевского»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Chernyshevsky Saratov State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Саратовский государственный медицинский университет имени В. И. Разумовского»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Razumovsky Saratov State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>28</day><month>12</month><year>2023</year></pub-date><volume>22</volume><issue>4</issue><fpage>35</fpage><lpage>41</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Скрипаль А.В., Фаркад А., Машков К.В., Усанов А.Д., Аверьянов А.П., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Скрипаль А.В., Фаркад А., Машков К.В., Усанов А.Д., Аверьянов А.П.</copyright-holder><copyright-holder xml:lang="en">Skripal A.V., Farkad A., Mashkov K.V., Usanov A.D., Averyanov A.P.</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/1245">https://www.microcirc.ru/jour/article/view/1245</self-uri><abstract><p>Введение. Использование лазерной допплеровской флоуметрии (ЛДФ) позволяет оценить состояние и нарушения микроциркуляции крови, повышая качество диагностики различных сердечно-сосудистых заболеваний. Дополнительные функциональные пробы при лазерных флоуметрических измерениях используются для оценки состояния механизмов, регулирующих кровоток тканей. Цель. Выявление закономерностей изменения кровотока в микроциркуляторном русле при комбинировании постуральной пробы и изменения температуры воздуха. Материалы и методы. Исследование проведено на группе испытуемых из 20 человек, в которую входили в равном количестве девушки и юноши в возрасте 21–23 года, которые считались здоровыми и не имели сердечно-сосудистых заболеваний. Эксперимент проводился в два этапа, сначала в помещении с температурой воздуха 20±1 °С, затем при температуре воздуха 30±1 °С. Для оценки разницы в данных между положениями руки в рамках одного этапа исследования при одинаковой температуре был использован t-критерий Стьюдента для сравнения количественных переменных в двух зависимых выборках. Для оценки статистических различий в данных для одного и того же положения руки, но при разной температуре воздуха, был использован критерий Вилкоксона. При p&lt;0,05 изменения считались статистически значимыми. У испытуемых измерялась величина микроциркуляции периферических кровеносных сосудов на фаланге пальца руки в трех положениях относительно уровня сердца с использованием портативного лазерного допплеровского флоуриметра «ЛАЗМА ПФ» (Россия). Результаты. Показано, что увеличение температуры окружающей среды приводит к увеличению разницы микроциркуляции периферических сосудов при изменении положения руки относительно уровня сердца. При нахождении человека в помещении с температурой 30±1 °C происходит дилатация сосудов и изменение их тонуса, чем объясняется возрастание значений микроциркуляции в относительных перфузионных единицах. Заключение. Результаты исследования показали увеличение статистически значимых отличий по t-критерию Стьюдента между различными положениями руки при увеличении температуры воздуха в помещении (p&lt;0,0001). В сравнительной выборке между первым этапом (при температуре воздуха 20±1 °C) и вторым этапом исследования (при температуре воздуха 30±1 °C) были получены статистически значимые результаты (p&lt;0,001) по критерию Вилкоксона для положения руки на уровне сердца и поднятой руки.</p></abstract><trans-abstract xml:lang="en"><p>Introduction. The use of laser Doppler flowmetry (LDF) makes it possible to assess the condition and disorders of blood microcirculation, improving the quality of diagnosis of various cardiovascular diseases. Additional functional tests with laser flowmetric measurements are used to assess the state of the mechanisms that regulate the tissue blood flow. Objective. To identify patterns of blood flow changes in the microcirculatory bed when combining a postural test and a change in air temperature. Materials and methods. The study was conducted on a group of 20 subjects, which included an equal number of girls and boys aged 21–23 years, who were considered healthy and did not have cardiovascular diseases. The experiment was carried out in two stages: first in a room with an air temperature of 201 °C, then at 301 °C. To assess the difference in data between arm positions within the same study phase at the same temperature, the Student’s t-test was used to compare quantitative variables in two dependent samples. The Wilcoxon test was used to assess statistical differences in data for the same hand position but at different air temperatures. Changes were considered statistically significant at p&lt;0.05. The subjects were measured the microcirculation of peripheral blood vessels on the phalanx of the finger in three positions relative to the level of the heart using a portable laser Doppler flowmeter LAZMA PF (Russia). Results. It is shown that an increase in ambient temperature leads to an increase in the difference in microcirculation of peripheral vessels when the arm position changes relative to the level of the heart. When a person is in a room with a temperature of 301 °C, dilation of blood vessels and changes in their tone occur, which explains the increase in microcirculation values in relative perfusion units. Conclusions. The results of the study showed an increase in statistically significant differences according to the Student’s t-test between the different hand positions with increasing room temperature (p&lt;0.0001). In a comparative sample between the first stage (at an air temperature of 20±1 °C) and the second stage of the study (at an air temperature of 30±1 °C), statistically significant results (p&lt;0.001) were obtained according to the Wilcoxon test for the hand position at the heart level and the raised arm.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>микроциркуляция</kwd><kwd>постуральная проба</kwd><kwd>лазерная допплеровская флоуметрия</kwd><kwd>периферическое кровообращение</kwd><kwd>положение руки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>microcirculation</kwd><kwd>postural test</kwd><kwd>laser Doppler flowmetry</kwd><kwd>peripheral blood circulation</kwd><kwd>hand position</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">Левичева Е.Н., Каменская О.В., Логинова И.Ю. и др. 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