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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">10.24884/1682-6655-2022-21-2-43-50</article-id><article-id custom-type="elpub" pub-id-type="custom">microcirculation-1072</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 (ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES (EXPERIMENTAL INVESTIGATIONS)</subject></subj-group></article-categories><title-group><article-title>Влияние микрокамерных раневых покрытиий на динаммику микроциркуляторных реакций в зоне полнослойного дефекта кожи у белых крыс</article-title><trans-title-group xml:lang="en"><trans-title>The microchamber wound coatings effect on the microcirculatory reactions dynamics in the full-thickness skin defect area in white rats</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>Кириязи</surname><given-names>Т. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kiriiazi</surname><given-names>T. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кириязи Татьяна Святославовна – кандидат биологических наук, доцент кафедры нормальной физиологии им. И. А. Чуевского, старший научный сотрудник Центральной научно-исследовательской лаборатории</p><p>410012, Россия, г. Саратов, ул. Большая Казачья, д. 112</p></bio><bio xml:lang="en"><p>Kiriyazi Tat’yana S. – Candidate of Biological Sciences, Associate Professor of the Department of Normal Physiology named after I. A. Chuevsky, Senior Researcher of the Central Research Laboratory</p><p>112, Bolshaya Kazachya str., Saratov, Russia, 410012</p></bio><email xlink:type="simple">fev.6171@yandex.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>Ермаков</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ermakov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ермаков Алексей Вадимович – младший научный сотрудник Центральной научно-исследовательской лаборатории</p><p>410012, Россия, г. Саратов, ул. Большая Казачья, д. 112</p></bio><bio xml:lang="en"><p>Ermakov Alexey V. – Research Assistant of the Central Research Laboratory</p><p>112, Bolshaya Kazachya str., Saratov, Russia, 410012</p></bio><email xlink:type="simple">oualeksej@yandex.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>Савкина</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Savkina</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савкина Ангелина Альбертовна – младший научный сотрудник Центральной научно-исследовательской лаборатории</p><p>410012, Россия, г. Саратов, ул. Большая Казачья, д. 112</p></bio><bio xml:lang="en"><p>Savkina Angelina A. – Research Assistant of the Central Research Laboratory Saratov</p><p>112, Bolshaya Kazachya str., Saratov, Russia, 410012</p></bio><email xlink:type="simple">sawkina.ange@yandex.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>Ленгерт</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lengert</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ленгерт Екатерина Владимировна – младший научный сотрудник Центральной научно-исследовательской лаборатории</p><p>410012, Россия, г. Саратов, ул. Большая Казачья, д. 112</p></bio><bio xml:lang="en"><p>Lengert Ekaterina V. – Research Assistant of the Central Research Laboratory</p><p>112, Bolshaya Kazachya str., Saratov, Russia, 410012</p></bio><email xlink:type="simple">lengertkatrin@mail.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>Степанова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepanova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Степанова Татьяна Вячеславовна – младший научный сотрудник Центральной научно-исследовательской лаборатории</p><p>410012, Россия, г. Саратов, ул. Большая Казачья, д. 112</p></bio><bio xml:lang="en"><p>Stepanova Tat’yana V. – Research Assistant of the Central Research Laboratory</p><p>112, Bolshaya Kazachya str., Saratov, Russia, 410012</p></bio><email xlink:type="simple">cnil-sgmu@mail.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>Лойко</surname><given-names>Д. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Loiko</surname><given-names>D. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лойко Дарья Дмитриевна – ассистент кафедры нормальной физиологии им. И. А. Чуевского, младший научный сотрудник Центральной научно-исследовательской лаборатории</p><p>410012, Россия, г. Саратов, ул. Большая Казачья, д. 112</p></bio><bio xml:lang="en"><p>Loiko Darya D. – Assistant of the Department of Normal Physiology named after I.A. Chuevsky, Laboratory Assistant of the Central Research Laboratory</p><p>112, Bolshaya Kazachya str., Saratov, Russia, 410012</p></bio><email xlink:type="simple">darya.lagutina@yandex.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>Кузнецова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузнецова Наталия Анатольевна – младший научный сотрудник Центральной научно-исследовательской лаборатории</p><p>410012, Россия, г. Саратов, ул. Большая Казачья, д. 112</p></bio><bio xml:lang="en"><p>Kuznetsova Natalya A. – Research Assistant of the CentralResearch Laboratory</p><p>112, Bolshaya Kazachya str., Saratov, Russia, 410012</p></bio><email xlink:type="simple">kuznetsova.ntalia@yandex.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>Иванов</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванов Алексей Николаевич – доктор медицинских наук, доцент, заведующий отделением лабораторной диагностики</p><p>410012, Россия, г. Саратов, ул. Большая Казачья, д. 112</p></bio><bio xml:lang="en"><p>Ivanov Alexey N. – Doctor of Medical Sciences, Associate Professor, Head of the Department of Laboratory Diagnostics of Research Institute of Traumatology, Orthopedics and Neurosurgery, Head of the Central Scientific Research Laboratory, Head of the Department of Normal Physiology named after I. A. Chuevsky</p><p>112, Bolshaya Kazachya str., Saratov, Russia, 410012</p></bio><email xlink:type="simple">lex558452@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Саратовский государственный медицинский университет имени В. И. Разумовского» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saratov State Medical University named after V. I. Razumovsky</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>05</day><month>07</month><year>2022</year></pub-date><volume>21</volume><issue>2</issue><fpage>43</fpage><lpage>50</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кириязи Т.С., Ермаков А.В., Савкина А.А., Ленгерт Е.В., Степанова Т.В., Лойко Д.Д., Кузнецова Н.А., Иванов А.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Кириязи Т.С., Ермаков А.В., Савкина А.А., Ленгерт Е.В., Степанова Т.В., Лойко Д.Д., Кузнецова Н.А., Иванов А.Н.</copyright-holder><copyright-holder xml:lang="en">Kiriiazi T.S., Ermakov A.V., Savkina A.A., Lengert E.V., Stepanova T.V., Loiko D.D., Kuznetsova N.A., Ivanov A.N.</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/1072">https://www.microcirc.ru/jour/article/view/1072</self-uri><abstract><sec><title>Введение</title><p>Введение. Распространенность острых и хронических ран, как в России, так и за рубежом, остается на высоком уровне, что обуславливает актуальность совершенствования технологий их лечения. Технологии микро- и наноструктурирования синтетических полимеров, в частности, полилактида, открывают новые возможности создания биодеградируемых покрытий, экспериментальная апробация которых представляет не только научный, но и практический интерес.</p><p>Цель исследования – изучение влияния микрокамерных полилактидных биодеградируемых покрытий на изменение микроциркуляции в зоне полнослойного экспериментального дефекта кожи у белых крыс.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследования проводились на 40 белых беспородных крысах, разделенных на три группы: контрольную (КОН, n=10), сравнительную (РДК) – 15 животных с полнослойным экспериментальным дефектом кожи, и опытную (ПМП) – 15 крыс, которым выполняли наложение микрокамерного полилактидного биодеградируемого покрытия. Раневые покрытия из полилактида (полимолочная кислота) в виде массивов микрокамер изготавливались на основе шаблона лунок микронного размера. На 7-е и 14-е сутки эксперимента у животных групп РДК и ПМК проводилась оценка площади раневого дефекта и микроциркуляции кожи краев экспериментальной раны методом лазерной допплеровской флоуметрии (ЛДФ).</p></sec><sec><title>Результаты</title><p>Результаты. На 7-е и на 14-е сутки после формирования экспериментального раневого дефекта в межлопаточной области у крыс отмечалось увеличение перфузии кожи краев раны на 26,9–27,8 %, сопровождающееся перераспределением вклада активных и пассивных механизмов модуляции микрокровотока, которое характеризовалось увеличением амплитуд колебаний перфузии в миогенном, дыхательном и сердечном диапазонах. Использование полилактидного покрытия для закрытия раневого дефекта ускоряло процесс эпителизации преимущественно на 1-й неделе эксперимента, а также уменьшало выраженность повышения перфузии кожи краев экспериментальной раны на 1-й неделе эксперимента и полностью нивелировало на 2-й. Снижение перфузии кожи краев экспериментальной раны под влиянием полилактидного покрытия у крыс сопровождалось уменьшением относительно группы РДК на 7-е сутки эксперимента амплитуды миогенных колебаний на 20 %, а на 14-е сутки – амплитуд дыхательных колебаний на 19,7 %.</p></sec><sec><title>Заключение</title><p>Заключение. Разработанные полилактидные покрытия уменьшают выраженность воспалительных изменений микроциркуляции краев экспериментального раневого дефекта, что в сочетании с ускорением эпителизации раны свидетельствует в пользу биосовместимости данного типа перевязочного материала.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The widespread occurence of acute and chronic wounds in Russia and abroad determines the great relevance of improving the treatment technologies. The micro- and nanostructuring synthetic polymers (i. e., polylactide) open the new possibilities for creating biodegradable coatings having both scientigfic and applied interest.</p><p>The aim of present study was to investigate how microchamber polylactide biodegradable coatings affects microcirculatory changes in the area of a full-thickness experimental skin defect in white rats.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study was conducted on 40 white outbred rats, divided into 3 groups: control (CON, n=10), comparative (ESD) – 15 animals with a full-thickness experimental skin defect) and experimental (MPC) – 15 rats treated by a microchamber polylactide biodegradable coating on full-thickness experimental skin defect. Polylactide (polylactic acid) wound coatings in the form of microchambers arrays were fabricated based on a micron well pattern. On the 7th and 14th days of the experiment, in animals of the ESD and MPC groups, the area of the wound defect was measured and the skin microcirculation of the experimental wound edges was assessed by laser Doppler flowmetry (LDF).</p></sec><sec><title>Results</title><p>Results. On the 7th and 14th days after the experimental wound defect formation in the rats interscapular region an increase of the wound edges skin perfusion by 26.9–27.8 % was observed accompanied by an active and passive mechanisms role redistribution in microcirculatory modulation with increase of perfusion fluctuation in the myogenic, respiratory and cardiac ranges. Using the a polylactide coating for the wound defect closure accelerated the process of epithelialization mainly on the first week of the experiment and reduced the severity of the perfusion increase in the edges of the experimental wound in the first week and completely recovered normal perfusion level in the second week of the experiment. Perfusion decrease of the experimental skin wound edges under the influence of polylactide coating in rats was accompanied by decrease in the amplitude of myogenic oscillations on the 7th day of the experiment by 20 %, and decrease the amplitude of respiratory oscillations on the 14th day by 19.7 % compared to ESD group.</p></sec><sec><title>Conclusion</title><p>Conclusion. The developed polylactide coatings reduce the severity of inflammatory changes in the microcirculation of the experimental wound edges. This redusing combined with the acceleration of wound epithelialization suggests that this type of dressing material is high biocompatible.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>микроциркуляция</kwd><kwd>биодеградируемые покрытия</kwd><kwd>регенерация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>microcirculation</kwd><kwd>biodegradable coatings</kwd><kwd>regeneration</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">Sen CK. Human Wounds and Its Burden: An Updated Compendium of Estimates // Adv Wound Care (New Rochelle). 2019;8(2):39–48. Dоi: 10.1089/wound.2019.0946.</mixed-citation><mixed-citation xml:lang="en">Sen CK. Human Wounds and Its Burden: An Updated Compendium of Estimates // Adv Wound Care (New Rochelle). 2019;8(2):39–48. 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