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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Perm Medical Journal</journal-id><journal-title-group><journal-title xml:lang="en">Perm Medical Journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Пермский медицинский журнал (сетевое издание "Perm medical journal")</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0136-1449</issn><issn publication-format="electronic">2687-1408</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">703630</article-id><article-id pub-id-type="doi">10.17816/pmj43167-75</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original studies</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">The role of the protease inhibitor ulinastatin in the comprehensive treatment of severe abdominal sepsis: reduction of inflammatory response and 28-day mortality</article-title><trans-title-group xml:lang="ru"><trans-title>Ингибитор протеаз – улинастатин в комплексной терапии тяжелого абдоминального сепсиса: снижение воспалительного ответа и 28-дневной смертности</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8394-5453</contrib-id><name-alternatives><name xml:lang="en"><surname>Abdurakhmаnov</surname><given-names>M. M.</given-names></name><name xml:lang="ru"><surname>Абдурахманов</surname><given-names>М. М.</given-names></name></name-alternatives><address><country country="UZ">Uzbekistan</country></address><bio xml:lang="en"><p>DSc (Medicine), Professor of the Department of Surgical Diseases in Family Medicine</p></bio><bio xml:lang="ru"><p>доктор медицинких наук, профессор кафедры хирургических болезней в семейной медицине</p></bio><email>abdurakhmanov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-0836-3060</contrib-id><name-alternatives><name xml:lang="en"><surname>Khaitov</surname><given-names>D. Kh.</given-names></name><name xml:lang="ru"><surname>Хаитов</surname><given-names>Д. Х.</given-names></name></name-alternatives><address><country country="UZ">Uzbekistan</country></address><bio xml:lang="en"><p>Doctoral Student, Assistant of the Department of Anesthesiology and Resuscitation, Pediatric Anesthesiology and Resuscitation</p></bio><bio xml:lang="ru"><p>докторант и ассистент кафедры анестезиологии и реанимации, детская анестезиология и реанимация</p></bio><email>abdurakhmanov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-9023-1632</contrib-id><name-alternatives><name xml:lang="en"><surname>Eshonov</surname><given-names>O. Sh.</given-names></name><name xml:lang="ru"><surname>Эшонов</surname><given-names>О. Ш.</given-names></name></name-alternatives><address><country country="UZ">Uzbekistan</country></address><bio xml:lang="en"><p>DSc (Medicine), Associate Professor of the Department of Anesthesiology and Resuscitation, Pediatric Anesthesiology and Resuscitation</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, доцент кафедры анестезиологии и реанимации, детская анестезиология и реанимация</p></bio><email>abdurakhmanov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9498-4335</contrib-id><name-alternatives><name xml:lang="en"><surname>Umedov</surname><given-names>Kh. A.</given-names></name><name xml:lang="ru"><surname>Умедов</surname><given-names>Х. А.</given-names></name></name-alternatives><address><country country="UZ">Uzbekistan</country></address><bio xml:lang="en"><p>PhD (Medicine), Assistant of the Department of Surgical Diseases № 2</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук, ассистент кафедры хирургических болезней № 2</p></bio><email>abdurakhmanov@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0444-9791</contrib-id><name-alternatives><name xml:lang="en"><surname>Abdurakhmаnov</surname><given-names>Z. M.</given-names></name><name xml:lang="ru"><surname>Абдурахманов</surname><given-names>З. М.</given-names></name></name-alternatives><address><country country="UZ">Uzbekistan</country></address><bio xml:lang="en"><p>PhD (Medicine), Associate Professor of the Department of Surgical Diseases in Family Medicine</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук, доцент кафедры хирургических болезней в семейной медицине</p></bio><email>abdurakhmanov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Bukhara State Medical Institute named after Abu Ali ibn Sina</institution></aff><aff><institution xml:lang="ru">Бухарский государственный медицинский институт имени Абу Али ибн Сина</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Samarkand State Medical University</institution></aff><aff><institution xml:lang="ru">Самаркандский государственный медицинский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2026-03-03" publication-format="electronic"><day>03</day><month>03</month><year>2026</year></pub-date><volume>43</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>67</fpage><lpage>75</lpage><history><date date-type="received" iso-8601-date="2026-03-02"><day>02</day><month>03</month><year>2026</year></date><date date-type="accepted" iso-8601-date="2026-03-02"><day>02</day><month>03</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Эко-Вектор</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://eco-vector.com/for_authors.php#07</ali:license_ref></license></permissions><self-uri xlink:href="https://permmedjournal.ru/PMJ/article/view/703630">https://permmedjournal.ru/PMJ/article/view/703630</self-uri><abstract xml:lang="en"><p><bold>Objective. </bold>To evaluate the efficacy and safety of ulinastatin in patients with postoperative abdominal sepsis (AS) in intensive care units.</p> <p><bold>Materials and methods. </bold>This randomized study included 60 patients with AS divided into two groups: the ulinastatin group (<italic>n</italic> = 30) received standard intensive therapy combined with intravenous ulinastatin (200,000 IU three times daily for 3 days, followed by 100,000 IU three times daily for 4 days); the control group (<italic>n</italic> = 30) received standard intensive therapy alone. Clinical outcomes, organ dysfunction (SOFA score, Glasgow Coma Scale), laboratory markers of inflammation (CRP, PCT, HLA-DR), and cytokine levels (TNF-α, IL-6) were assessed before and after therapy. The primary endpoint was 28-day mortality.</p> <p><bold>Results. </bold>Baseline patient characteristics and laboratory parameters were comparable between the groups. The administration of ulinastatin significantly reduced 28-day mortality (10.0 % vs. 33.3 %; <italic>p</italic>&lt; 0.01) and the number of new organ dysfunction cases (10 vs. 26; <italic>p </italic>= 0.003). Patients in the ulinastatin group showed an increase in ventilator-free days (18.4±7.4 vs. 12.2±5.1; <italic>p </italic>= 0.035) and a reduced mean hospital stay (by 13.6 days; <italic>p</italic>&lt; 0.001). Patients in the ulinastatin group demonstrated a significant decrease in CRP, PCT, TNF-α and IL-6 levels, and an increase in HLA-DR levels (<italic>p</italic>&lt; 0.05). Multivariate analysis confirmed ulinastatin use as an independent factor for reducing the risk of death (OR=0.45; 95 % CI: 0.21–0.74; <italic>p </italic>= 0.018).</p> <p><bold>Conclusions. </bold>The inclusion of<bold> </bold>ulinastatin in the comprehensive treatment of postoperative AS significantly suppresses the inflammatory response, improves clinical outcomes, and reduces 28-day mortality. These findings justify the use of ulinastatin in the management of this severe patient population and require confirmation in large randomized studies.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель. </bold>Оценить эффективность и безопасность применения улинастатина у пациентов с послеоперационным абдоминальным сепсисом в условиях отделений реанимации и интенсивной терапии.</p> <p><bold>Материалы и методы. </bold>В рандомизированное исследование включены 60 пациентов с абдоминальным сепсисом, разделенные на две группы: основная группа (<italic>n</italic> = 30) получала стандартную интенсивную терапию в сочетании с внутривенным улинастатином (200 000 МЕ 3 раза в день в течение 3 дней, затем 100 000 МЕ 3 раза в день в течение 4 дней), контрольная группа (<italic>n</italic> = 30) – только стандартную интенсивную терапию. Оценивали клинические исходы, органную дисфункцию (SOFA, Глазго), лабораторные показатели воспаления (СРБ, ПЦТ, HLA-DR) и уровень цитокинов (TNF-α, IL-6). Первичной конечной точкой была 28-дневная смертность.</p> <p><bold>Результаты. </bold>Исходные характеристики пациентов и лабораторные показатели были сопоставимы между группами. Применение улинастатина достоверно снизило 28-дневную смертность (10,0 против 33,3 %; <italic>p</italic> &lt; 0,01) и количество новых случаев органной дисфункции (10 против 26; <italic>p</italic> = 0,003). В группе улинастатина увеличилось количество дней без ИВЛ (18,4 ± 7,4 против 12,2 ± 5,1; <italic>p</italic> = 0,035) и сократилась средняя продолжительность госпитализации (на 13,6 дня; <italic>p</italic> &lt; 0,001). У пациентов основной группы отмечалось достоверное снижение СРБ, ПЦТ, TNF-α и IL-6 и повышение HLA-DR (<italic>p</italic> &lt; 0,05). Многофакторный анализ подтвердил улинастатин как независимый фактор снижения риска смерти (ОШ = 0,45; 95 % ДИ: 0,21–0,74; <italic>p</italic> = 0,018).</p> <p><bold>Выводы. </bold>Включение улинастатина в комплексное лечение послеоперационного абдоминального сепсиса достоверно подавляет воспалительный ответ, улучшает клинические исходы и снижает 28-дневную смертность. Результаты обосновывают необходимость применения улинастатина у данной тяжелой категории пациентов и требуют подтверждения в крупных рандомизированных исследованиях.</p></trans-abstract><kwd-group xml:lang="en"><kwd>abdominal sepsis</kwd><kwd>septic shock</kwd><kwd>intensive care</kwd><kwd>ulinastatin</kwd><kwd>inflammatory response</kwd><kwd>cytokine</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>абдоминальный сепсис</kwd><kwd>септический шок</kwd><kwd>интенсивная терапия</kwd><kwd>улинастатин</kwd><kwd>воспалительный ответ</kwd><kwd>цитокин</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>La Via L., Maniaci A., Lentini M. et al. The burden of sepsis and septic shock in the intensive care unit. Journal of Clinical Medicine 2025; 14 (19): 6691.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Mureșan M.G., Balmoș I.A., Badea I., Santini A. Abdominal sepsis: an update. 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