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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">healthcare</journal-id><journal-title-group><journal-title xml:lang="ru">Здравоохранение. Healthcare</journal-title><trans-title-group xml:lang="en"><trans-title>Healthcare</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1027-7218</issn><publisher><publisher-name>Republican Scientific and Practical Center for Medical Technologies, Informatization, Management and Health Economics</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">healthcare-105</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 ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCHES</subject></subj-group></article-categories><title-group><article-title>Морфологическая оценка воспалительного ответа в организме крыс при имплантации сосудистых протезов</article-title><trans-title-group xml:lang="en"><trans-title>Morphological assessment of the inflammatory response in the body of rats during implantation of vascular grafts</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>Попель</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Popel</surname><given-names>H. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Попель Геннадий Адольфович — к. м. н., доцент, зав. лабораторией хирургии сосудов.</p><p>Ул. Р. Люксембург, 110 Б, 220036, г. Минск. Сл. тел.: +37S 17 201-28-08</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>Моисеенко</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Maiseyenka</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</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>Жмаилик</surname><given-names>Р. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhmailik</surname><given-names>R. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</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>Рябцева</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Rjabceva</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>РНПЦ «Кардиология»</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>Институт физиологии НАН Беларуси</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>23</day><month>09</month><year>2025</year></pub-date><volume>0</volume><issue>2</issue><fpage>35</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Попель Г.А., Моисеенко И.А., Жмаилик Р.Р., Рябцева С.Н., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Попель Г.А., Моисеенко И.А., Жмаилик Р.Р., Рябцева С.Н.</copyright-holder><copyright-holder xml:lang="en">Popel H.A., Maiseyenka I.A., Zhmailik R.R., Rjabceva S.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://healthcare.ejournal.by/jour/article/view/105">https://healthcare.ejournal.by/jour/article/view/105</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования. Изучить морфологические изменения в тканях организма животного после имплантации биологического и синтетического сосудистых протезов.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Исследование проведено на самцах лабораторных крыс линии Wistar (п = 50). Животные были распределены на 2 группы. В 1-ю группу включили животных с имплантацией фрагмента биологического сосудистого протеза из бычьего ксеноперикарда (25 особей), во 2-ю — с имплантацией фрагмента синтетического сосудистого протеза из дакрона (25 особей). Забор образцов для морфологического исследования проводили на 3, 7, 14, 21 и 30-е сутки после операции.</p></sec><sec><title>Результаты</title><p>Результаты. После операции у животных 2-й группы, начиная с 3-х суток, наблюдали признаки фибринозногнойного воспаления с формированием на 7-е сутки гнойного экссудата на «дне гофр», а также признаки начала образования грануляционной ткани вокруг протеза. В 1-й группе выявлены признаки созревающей грануляционной ткани вокруг протеза с многочисленными тонкостенными сосудами и умеренно выраженной воспалительной инфильтрацией.</p><p>Во 2-й группе через 3 нед после операции во всех исследованных образцах присутствовали классические макрофагально-гигантоклеточные гранулемы, окруженные слоем коллагеновых волокон. В 1-й группе обнаружены пролиферирующие фибробласты по периферии воспалительного инфильтрата.</p><p>На 30-е сутки у животных 2-й группы сформировалась фиброзная капсула, а у животных 1-й группы обнаружены клетки фибробластического ряда, соединительнотканные волокна и сосуды.</p></sec><sec><title>Заключение</title><p>Заключение. Статистически значимых морфологических различий ответа организма крыс на имплантацию биологического сосудистого протеза из ксеноперикарда по сравнению с синтетическим протезом из дакрона, покрытого модифицированным желатином, не выявлено.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective. То investigate tissue reaction in animals after implantation of biological and synthetic vascular grafts.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study was carried out on male Wistar laboratory rats (n = 50). The animals were divided into 2 groups: group 1 — with implantation of a fragment of the biological vascular graft (25 animals), group 2 — with implantation of a fragment of a synthetic vascular graft made of Dacron (25 animals). Sampling for morphological examination was performed on the 3rd, 7th, 14th, 21st and 30th days after surgery.</p></sec><sec><title>Results</title><p>Results. Animals with implanted fragment of a synthetic vascular graft, starting from the 3rd day after surgery, showed signs of fibrinous-purulent inflammation with the formation of purulent exudate on the 7th day, as well as signs of the beginning of the formation of granulation tissue around the graft. In the group of animals with implanted biological vascular graft, signs of maturing granulation tissue around the prosthesis with a large number of vessels and moderate inflammatory infiltration were revealed.</p><p>In animals with synthetic vascular graft, 3 weeks after surgery, classical macrophage giant cell granulomas surrounded by layers of collagen fibers were present in all the studied samples. Proliferating fibroblasts were found along the periphery of the inflammatory infiltrate in a group of animals with a biological vascular graft made of bovine xenopericardium.</p><p>On the 30th day, a fibrous capsule was formed in all animals with a fragment of a synthetic graft, and fibroblasts, connective tissue fibers and blood vessels were found in animals with implanted biograft.</p></sec><sec><title>Conclusion</title><p>Conclusion. There were no statistically significant morphological differences in the response of the rat organism to implantation of a biological vascular graft made of bovine xenopericardium compared with synthetic vascular graft made of Dacron coated with modified gelatin.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>синтетический сосудистый протез</kwd><kwd>биологический сосудистый протез</kwd><kwd>ксеноперикард</kwd><kwd>крыса</kwd><kwd>аорта</kwd><kwd>воспаление</kwd><kwd>морфометрия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>synthetic vascular prosthesis</kwd><kwd>biological vascular prosthesis</kwd><kwd>xenopericardium</kwd><kwd>rat</kwd><kwd>aorta</kwd><kwd>inflammation</kwd><kwd>morphometry</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">GBD 2019 Diseases and Injuries Collaborators. 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