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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">Russian Journal of Pediatric Surgery, Anesthesia and Intensive Care</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Pediatric Surgery, Anesthesia and Intensive Care</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский вестник детской хирургии, анестезиологии и реаниматологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2219-4061</issn><issn publication-format="electronic">2587-6554</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">942</article-id><article-id pub-id-type="doi">10.17816/psaic942</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original Study Articles</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">Diarrhea as a postoperative complication of surgically treated retroperitoneal neurogenic tumors in children</article-title><trans-title-group xml:lang="ru"><trans-title>Послеоперационная диарея как осложнение хирургического лечения детей с нейрогенными опухолями забрюшинной локализации</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5150-1436</contrib-id><contrib-id contrib-id-type="spin">7229-4555</contrib-id><name-alternatives><name xml:lang="en"><surname>Tverdov</surname><given-names>Ivan V.</given-names></name><name xml:lang="ru"><surname>Твердов</surname><given-names>Иван Вадимович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>2nd year resident, Department of Oncology and Pediatric Surgery</p></bio><bio xml:lang="ru"><p>Ординатор 2-го года, отделение онкологии и детской хирургии</p></bio><email>twerdov.iwan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1387-209X</contrib-id><contrib-id contrib-id-type="spin">7714-9343</contrib-id><name-alternatives><name xml:lang="en"><surname>Akhaladze</surname><given-names>Dmitry G.</given-names></name><name xml:lang="ru"><surname>Ахаладзе</surname><given-names>Дмитрий Гурамович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci.(Med.), Head of the Department of Thoracoabdominal Surgery, Department of oncology and pediatric surgery</p></bio><bio xml:lang="ru"><p>Кандидат медицинских наук, руководитель отдела торакоабдоминальной хирургии, отделение онкологии и детской хирургии</p></bio><email>d.g.akhaladze@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3704-8783</contrib-id><contrib-id contrib-id-type="spin">9878-5540</contrib-id><name-alternatives><name xml:lang="en"><surname>Kachanov</surname><given-names>Denis Y.</given-names></name><name xml:lang="ru"><surname>Качанов</surname><given-names>Денис Юрьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Med.), Head of the Department of Clinical Oncology, Deputy Director</p></bio><bio xml:lang="ru"><p>Доктор медицинских наук, заведующий отделением клинической онкологии, заместитель директора</p></bio><email>Denis.Kachanov@fccho-moscow.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0404-6420</contrib-id><name-alternatives><name xml:lang="en"><surname>Merkulov</surname><given-names>Nikolay N.</given-names></name><name xml:lang="ru"><surname>Меркулов</surname><given-names>Николай Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Physician, pediatric surgeon of the Department of Oncology and Pediatric Surgery</p></bio><bio xml:lang="ru"><p>Врач, детский хирург отделения онкологии и детской хирургии</p></bio><email>nikolay.merkulov@fccho-moscow.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9424-1646</contrib-id><name-alternatives><name xml:lang="en"><surname>Uskova</surname><given-names>Natalia G.</given-names></name><name xml:lang="ru"><surname>Ускова</surname><given-names>Наталья Геннадьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci.(Med.), doctor</p></bio><bio xml:lang="ru"><p>Кандидат медицинских наук, врач, детский хирург отделения онкологии и детской хирургии</p></bio><email>nataliyauskova@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5691-2522</contrib-id><name-alternatives><name xml:lang="en"><surname>Rabaev</surname><given-names>Gavriil S.</given-names></name><name xml:lang="ru"><surname>Рабаев</surname><given-names>Гавриил Савельевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor, pediatric surgeon</p></bio><bio xml:lang="ru"><p>Врач, детский хирург отделения онкологии и детской хирургии</p></bio><email>rabaevgesha@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4451-3233</contrib-id><name-alternatives><name xml:lang="en"><surname>Grachev</surname><given-names>Nikolay S.</given-names></name><name xml:lang="ru"><surname>Грачев</surname><given-names>Николай Сергеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Med.), Deputy General Director</p></bio><bio xml:lang="ru"><p>Доктор медицинских наук, заместитель генерального директора, отделение онкологии и детской хирургии</p></bio><email>nick-grachev@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Dmitry Rogachev National Medical Research Center of Pediatric Hematology</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии имени Дмитрия Рогачёва</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology Ministry of Health</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии имени Дмитрия Рогачёва</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-07-07" publication-format="electronic"><day>07</day><month>07</month><year>2021</year></pub-date><volume>11</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>121</fpage><lpage>130</lpage><history><date date-type="received" iso-8601-date="2021-03-22"><day>22</day><month>03</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-05-13"><day>13</day><month>05</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Tverdov I.V., Akhaladze D.G., Kachanov D.Y., Merkulov N.N., Uskova N.G., Rabaev G.S., Grachev N.S.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Твердов И.В., Ахаладзе Д.Г., Качанов Д.Ю., Меркулов Н.Н., Ускова Н.Г., Рабаев Г.С., Грачев Н.С.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Tverdov I.V., Akhaladze D.G., Kachanov D.Y., Merkulov N.N., Uskova N.G., Rabaev G.S., Grachev N.S.</copyright-holder><copyright-holder xml:lang="ru">Твердов И.В., Ахаладзе Д.Г., Качанов Д.Ю., Меркулов Н.Н., Ускова Н.Г., Рабаев Г.С., Грачев Н.С.</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://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://rps-journal.ru/jour/article/view/942">https://rps-journal.ru/jour/article/view/942</self-uri><abstract xml:lang="en"><p><italic>BACKGROUND: </italic>Diarrhea as a result of skeletonization of the superior mesenteric artery (SMA) and celiac trunk after retroperitoneal lymph node dissection is a common complication in adult patients with malignant neoplasms of the pancreas, colon, and retroperitoneal tumors. The reports mentioning this complication in the treatment of neurogenic tumors in children are scarce.</p> <p><italic>AIM:</italic> This study aims to improve the surgical treatment results of locally advanced retroperitoneal neuroblastomas by studying which factors influence the development of prolonged postoperative diarrhea.</p> <p><italic>MATERIALS AND METHODS:</italic> An analysis of the treatment results in patients with locally advanced neurogenic retroperitoneal neoplasms at the Dmitry Rogachev national medical research center of pediatric hematology, oncology, and immunology from 2018 to 2020 was conducted. All patients from this cohort underwent SMA and celiac trunk dissection.</p> <p><italic>RESULTS:</italic> During this period, surgeries with dissection of the SMA and celiac trunk were performed in 29 patients. In four (13%) cases, prolonged diarrhea was noted (median duration, 136.5 days with a frequency of up to 13 times a day). Assessment of the dependence of diarrhea frequency on complete dissection or preservation of the tumor component in the SMA and celiac trunk showed no significant differences.</p> <p><italic>CONCLUSIONS: </italic>The complete removal of a neurogenic tumor improves prognosis in patients with a locally advanced form of the disease, but it is associated with the risk of long-term intractable complications. This study does not confirm the opinion that preservation of the tumor component on the SMA prevents its denervation and postoperative diarrhea.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение. </bold>Диарея в результате скелетизации верхней брыжеечной артерии и чревного ствола при забрюшинной лимфаденэктомии — распространенное осложнение у взрослых пациентов, страдающих новообразованиями поджелудочной железы, ободочной кишки и внеорганными забрюшинными опухолями. Диарея может осложнять течение послеоперационного периода у детей с нейрогенными опухолями, однако информация о данном состоянии в литературе встречается редко.</p> <p><bold>Цель</bold> — улучшение результатов хирургического лечения при местнораспространенных нейробластомах забрюшинной локализации за счет изучения факторов, влияющих на развитие длительной послеоперационной диареи.</p> <p><bold>Материалы и методы. </bold>Проведен анализ результатов лечения пациентов с местнораспространенными нейрогенными опухолями забрюшинного пространства в НМИЦ ДГОИ им. Д. Рогачева с 2018 по 2020 гг. Всем пациентам из данной выборки в ходе хирургического вмешательства выполнялась скелетизация верхней брыжеечной артерии и чревного ствола.</p> <p><bold>Результаты. </bold>В исследование включены 29 пациентов. В 4 (13 %) случаях отмечено развитие длительной диареи (медиана длительности 136,5 суток с частотой до 13 раз в день). При оценке зависимости частоты диареи от полной скелетизации или сохранения компонента опухоли на верхней брыжеечной артерии и чревном стволе значимых различий не получено.</p> <p><bold>Выводы. </bold>Полное удаление нейрогенной опухоли, улучшающее прогноз пациента при местнораспространенной форме заболевания, связано с риском длительных некупируемых осложнений. В данном исследовании не удалось подтвердить тезис о превентивной роли сохранения мягкотканного компонента на верхней брыжеечной артерии с целью предотвращения послеоперационной диареи.</p></trans-abstract><kwd-group xml:lang="en"><kwd>neurogenic tumor</kwd><kwd>retroperitoneal lymph node dissection</kwd><kwd>diarrhea</kwd><kwd>dissection of the superior mesenteric artery</kwd><kwd>children</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>нейрогенное образование</kwd><kwd>забрюшинная лимфодиссекция</kwd><kwd>диарея</kwd><kwd>скелетизация верхней брыжеечной артерии</kwd><kwd>дети</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Fischer J, Pohl A, Volland R, et al. Complete surgical resection improves outcome in INRG high-risk patients with localized neuroblastoma older than 18 months. BMC Cancer. 2017;17(1):520. 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