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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">amedj</journal-id><journal-title-group><journal-title xml:lang="ru">Амурский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Amur Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2311-5068</issn><publisher><publisher-name>Амурская государственная медицинская академия</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22448/AMJ.2026.1.51-59</article-id><article-id custom-type="edn" pub-id-type="custom">VDBHCH</article-id><article-id custom-type="elpub" pub-id-type="custom">amedj-96</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>СЛУЧАЙ ИЗ ПРАКТИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE STUDY</subject></subj-group></article-categories><title-group><article-title>Оценка изменений морфологии и скорости закрытия раневого дефекта ткани кожи на фоне стандартной терапии холодовой травмы и при использовании биодеградируемых тканеинженерных продуктов</article-title><trans-title-group xml:lang="en"><trans-title>Assessment of Changes in Morphology and Wound Closure Rate of Skin Tissue Defect Against the Background of Standard Therapy for Cold Injury and When Using Biodegradable Tissue-Engineered Products</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5516-0165</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баранников</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Barannikov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Владимирович Баранников – ассистент кафедры гистологии и биологии </p><p>Благовещенск</p></bio><bio xml:lang="en"><p>Sergey V. Barannikov</p><p>Blagoveshchensk</p></bio><email xlink:type="simple">barannikovsv97@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-9893-2799</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чурикова</surname><given-names>Т. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Churikova</surname><given-names>T. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Сергеевна Чурикова – младший научный сотрудник, лаборатория механизмов этиопатогенеза и восстановительных процессов дыхательной системы при неспецифических заболеваниях легких  </p><p>Благовещенск</p></bio><bio xml:lang="en"><p>Tatiana S. Churikova</p><p>Blagoveshchensk</p></bio><email xlink:type="simple">churikova97@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное образовательное учреждение высшего образования «Амурская государственная медицинская академия» Министерства здравоохранения Российской Федерации<country>Россия</country></aff><aff xml:lang="en">Amur State Medical Academy<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Федеральное государственное бюджетное образовательное учреждение высшего образования «Амурская государственная медицинская академия» Министерства здравоохранения Российской Федерации; Федеральное государственное бюджетное учреждение «Дальневосточный научный центр физиологии и патологии&#13;
дыхания»<country>Россия</country></aff><aff xml:lang="en">Amur State Medical Academy; Far Eastern Scientific Center of Physiology and Pathology of Respiration<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>28</day><month>03</month><year>2026</year></pub-date><volume>14</volume><issue>1</issue><fpage>51</fpage><lpage>59</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Баранников С.В., Чурикова Т.С., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Баранников С.В., Чурикова Т.С.</copyright-holder><copyright-holder xml:lang="en">Barannikov S.V., Churikova T.S.</copyright-holder><license 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.amedj.ru/jour/article/view/96">https://www.amedj.ru/jour/article/view/96</self-uri><abstract><sec><title>Обоснование</title><p>Обоснование. Поиск модификаций биодеградируемых тканеинженерных продуктов (БТП) для лечения глубоких отморожений остается актуальной проблемой в медицине критических температурных воздействий.</p><p>Цель исследования – изучить морфологию и скорость закрытия раневого дефекта глубокого отморожения кожи у лабораторных животных при использовании стандартной терапии и ее совмещении с имплантацией БТП.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Исследование выполнено на 70 крыс-самцах линии Wistar. Крысам контрольной и экспериментальной групп моделировали глубокое контактное отморожение III степени кожи спины, после чего контрольной группе проводили стандартную терапию отморожения, экспериментальной – дополнительно имплантировали БТП. Выведение животных из эксперимента осуществляли на 3, 7 и 14-е сутки эксперимента. Определяли скорость закрытия раневого дефекта и морфометрические показатели в препаратах кожи.</p></sec><sec><title>Результаты</title><p>Результаты. На 3-е сутки в контрольной и экспериментальной группах были определены полнокровные сосуды с явлениями стойкого спазмирования. На 7-е сутки в экспериментальной группе активно наблюдали прорастание зоны внедрения БТП волокнами дермы, скорость эпителизации раны выше (p=0,037). На 14-е сутки в экспериментальной группе была сформирована разветвленная сеть микроциркуляторного русла без признаков застойной недостаточности.</p></sec><sec><title>Заключение</title><p>Заключение. Применение БТП ускоряет регенерацию дермы, обеспечивая формирование полноценной соединительной ткани.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. The search for modifications of biodegradable tissue-engineered products (BTEP) for the treatment of deep frostbite remains an urgent problem in the medicine of critical temperature exposures.</p></sec><sec><title>Objective</title><p>Objective. To study the morphology and closure rate of deep skin frostbite wound defect in laboratory animals using standard therapy and its combination with BTEP implantation.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study was performed on 70 male Wistar rats. Rats of the control and experimental groups were modeled with deep contact frostbite of III degree of the back skin, after which the control group received standard frostbite therapy, the experimental group additionally received BTEP implantation. Animals were sacrificed on days 3, 7 and 14 of the experiment. The wound defect closure rate and morphometric parameters in skin preparations were determined.</p></sec><sec><title>Results</title><p>Results.  On day 3, plethoric vessels with persistent spasm were determined in the control and experimental groups. On day 7, in the experimental group, active ingrowth of dermal fibers into the BTEP implantation zone was observed, the wound epithelialization rate was higher (p=0.037). On day 14, a branched microvasculature network without signs of congestive insufficiency was formed in the experimental group.</p></sec><sec><title>Conclusion</title><p>Conclusion. The use of BTEP accelerates dermal regeneration, ensuring the formation of full-fledged connective tissue.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>биодеградируемый тканеинженерный продукт</kwd><kwd>кожа</kwd><kwd>морфометрия</kwd><kwd>скорость закрытия раны</kwd><kwd>глубокое отморожение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>biodegradable tissue-engineered product</kwd><kwd>skin</kwd><kwd>morphometry</kwd><kwd>wound closure rate</kwd><kwd>deep frostbite</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Исследование не имело спонсорской поддержки.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The study was not sponsored.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Природно-климатические условия и социальногеографическое пространство России. 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