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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Surgery and Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Surgery and Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Хирургия и онкология</trans-title></trans-title-group></journal-title-group><issn publication-format="electronic">2949-5857</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">686</article-id><article-id pub-id-type="doi">10.17650/2949-5857-2024-14-1-11-20</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ARTICLE NUMBERS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>СТАТЬЯ НОМЕРА</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Does transanal endomicrosurgery affects the results of “salvage mesorectumectomy” for patients with early rectal cancer? Systematic review and meta-analysis</article-title><trans-title-group xml:lang="ru"><trans-title>Влияет ли трансанальная эндомикрохирургия на результаты «мезоректумэктомии спасения» у больных ранним раком прямой кишки. Систематический обзор литературы и метаанализ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-6063-365X</contrib-id><name-alternatives><name xml:lang="en"><surname>Kirgizov</surname><given-names>Ph. I.</given-names></name><name xml:lang="ru"><surname>Киргизов</surname><given-names>Ф. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Philipp Igorevich Kirgizov</p><p>2 Salyama Adilya St., Moscow 123423</p></bio><bio xml:lang="ru"><p>Филипп Игоревич Киргизов</p><p>123423 Москва, ул. Саляма Адиля, 2</p></bio><email>fil-97i@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6212-9454</contrib-id><name-alternatives><name xml:lang="en"><surname>Chernyshov</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Чернышов</surname><given-names>С. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>2 Salyama Adilya St., Moscow 123423</p></bio><bio xml:lang="ru"><p>123423 Москва, ул. Саляма Адиля, 2</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0735-2100</contrib-id><name-alternatives><name xml:lang="en"><surname>Nagudov</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Нагудов</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>2 Salyama Adilya St., Moscow 123423</p></bio><bio xml:lang="ru"><p>123423 Москва, ул. Саляма Адиля, 2</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3919-9067</contrib-id><name-alternatives><name xml:lang="en"><surname>Rybakov</surname><given-names>E. G.</given-names></name><name xml:lang="ru"><surname>Рыбаков</surname><given-names>Е. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>2 Salyama Adilya St., Moscow 123423</p></bio><bio xml:lang="ru"><p>123423 Москва, ул. Саляма Адиля, 2</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">A.N. Ryzhikh National Medical Research Center of Coloproctology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр колопроктологии им. А. Н. Рыжих» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-05-02" publication-format="electronic"><day>02</day><month>05</month><year>2024</year></pub-date><volume>14</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>11</fpage><lpage>20</lpage><history><date date-type="received" iso-8601-date="2024-04-30"><day>30</day><month>04</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-04-30"><day>30</day><month>04</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Kirgizov P.I., Chernyshov S.V., Nagudov M.A., Rybakov E.G.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Киргизов Ф.И., Чернышов С.В., Нагудов М.А., Рыбаков Е.Г.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Kirgizov P.I., Chernyshov S.V., Nagudov M.A., Rybakov E.G.</copyright-holder><copyright-holder xml:lang="ru">Киргизов Ф.И., Чернышов С.В., Нагудов М.А., Рыбаков Е.Г.</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/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://onco-surgery.info/jour/article/view/686">https://onco-surgery.info/jour/article/view/686</self-uri><abstract xml:lang="en"><p><bold>Aim.</bold> Our systematic review and meta-analysis aimed to compare studies with primary mesorectumectomy (pME) and “salvage mesorectumectomy” (sME) after transanal endomicrosurgery for patients with early rectal cancer.</p><p><bold>Materials and methods.</bold> We selected publications from 1 January 1999 to 1 April 2023. A total of 7 studies were included after screening. Following indicators were compared: quality of mesorectum, frequency of abdominoperineal resection, frequency of local recurrence and distant metastases, mortality, morbidity, time of surgery, post-operative stay, frequency of involvement of circular resection margin. Statistical data was processed using ReviewManager 5.3.</p><p><bold>Results.</bold> Statistically significant differences were observed in probability of intraoperative damaging of mesorectal fascia (Odds Ratio (OR) 0.42; 95 % Confidence Interval (CI) 0.24–0.72, р = 0.002). There were also a trend towards decreasing of number of sphincter-preserving operations after transanal endomicrosurgery (TEM) (OR 1.84; 95 % CI 0.96–3.52, р = 0,06). Other indicators didn’t reach statistical significance when compared.</p><p><bold>Conclusion.</bold> sTME is a safe procedure and comparable with pME. However, previous TEM is considered a risk factor for damaging of mesorectum, intraoperative perforation and abdominoperineal resection.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель исследования</bold> – проведение систематического обзора и метаанализа исследований, посвященных сравнению первичной мезоректумэктомии (пМЭ) и «мезоректумэктомии спасения» («МЭ спасения») у больных ранним раком прямой кишки.</p><p><bold>Материалы и методы.</bold> Для метаанализа были отобраны публикации за период с 1 января 1999 г. по 1 апреля 2023 г. Всего после скрининга было включено 7 исследований. Сравнивали следующие показатели: качество операционного препарата, частоту выполнения брюшно-промежностной экстирпации (БПЭ), частоту развития локальных рецидивов и отдаленных метастазов, летальность, частоту послеоперационных осложнений, продолжительность оперативного вмешательства, частоту несостоятельности анастомоза, продолжительность послеоперационного койко-дня, частоту вовлечения циркулярного края резекции. Статистическую обработку данных проводили в программе ReviewManager 5.3.</p><p><bold>Результаты.</bold> Были выявлены статистически значимые различия в вероятности интраоперационного повреждения мезоректальной фасции (отношение шансов (ОШ) 0,42; 95 % доверительный интервал (ДИ) 0,24–0,72, р = 0,002). Также отмечена тенденция к уменьшению количества сфинктеросохраняющих операций после трансанальной эндомикрохирургии (ТЭМ) (ОШ 1,84; 95 % ДИ 0,96–3,52, р = 0,06). Остальные показатели не достигли статистической значимости при их сравнении.</p><p><bold>Заключение.</bold> «МЭ спасения» сравнима по безопасности и онкологическим результатам с пМЭ. Однако предшествующая ТЭМ – фактор риска повреждения операционного препарата, интраоперационной перфорации стенки кишки и выполнения БПЭ прямой кишки.</p></trans-abstract><kwd-group xml:lang="en"><kwd>rectal cancer</kwd><kwd>transanal endomicrosurgery</kwd><kwd>metaanalysis</kwd><kwd>salvage surgery</kwd><kwd>mesorectumectomy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак прямой кишки</kwd><kwd>трансанальная эндомикрохирургия</kwd><kwd>метаанализ</kwd><kwd>спасительная хирургия</kwd><kwd>мезоректумэктомия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Heald R.J. A new approach to rectal cancer. Br J Hosp Med 1979;22(3):277–81.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Heald R.J. 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