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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">Cancer Urology</journal-id><journal-title-group><journal-title xml:lang="en">Cancer Urology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкоурология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-9776</issn><issn publication-format="electronic">1996-1812</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">931</article-id><article-id pub-id-type="doi">10.17650/1726-9776-2019-15-3-102-112</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DIAGNOSIS AND TREATMENT OF URINARY SYSTEM TUMORS. URINARY BLADDER CANCER</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДИАГНОСТИКА И ЛЕЧЕНИЕ ОПУХОЛЕЙ МОЧЕПОЛОВОЙ СИСТЕМЫ. Рак мочевого пузыря</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Comparison of the safety and efficacy of the new method of en-bloc and conventional monopolar transurethral resection in the management of primary non-muscle-invasive bladder cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Сравнение безопасности и эффективности нового метода моноблочной и стандартной монополярной трансуретральной резекции в лечении первичного немышечно-инвазивного рака мочевого пузыря</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3244-5664</contrib-id><name-alternatives><name xml:lang="en"><surname>Krasny</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Красный</surname><given-names>С. А.</given-names></name></name-alternatives><address><country country="BY">Belarus</country></address><bio xml:lang="en"><p><italic>Lesnoy, Minsk Region 223040</italic><italic/></p></bio><bio xml:lang="ru"><p><bold>Сергей Анатольевич Красный</bold>, член-корреспондент НАН Беларуси, профессор, доктор медицинских наук, заместитель директора по научной работе </p><p><italic>223040 Минский район, агрогородок Лесной</italic></p><p/></bio><email>sergeykrasny@tut.by</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0656-642X</contrib-id><name-alternatives><name xml:lang="en"><surname>Masanskiy</surname><given-names>I. L.</given-names></name><name xml:lang="ru"><surname>Масанский</surname><given-names>И. Л.</given-names></name></name-alternatives><address><country country="BY">Belarus</country></address><bio xml:lang="en"><p><italic>64 Nezavisimosti Prospekt, Minsk 220089</italic></p></bio><bio xml:lang="ru"><p><bold>Игорь Леонидович Масанский, </bold>заведующий онкохирургическим отделением №3 (онкоурология)  </p><p><italic>220089 Минск, проспект Независимости, 64 </italic></p></bio><email>masansky@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Alexandrov Republican Research and Practical Center for Oncology and Medical Radiology</institution></aff><aff><institution xml:lang="ru">ГУ «Республиканский научно-практический центр онкологии и медицинской радиологии им. Н.Н. Александрова»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Minsk City Clinical Oncologic Dispensary</institution></aff><aff><institution xml:lang="ru">УЗ «Минский городской клинический онкологический диспансер»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-09-30" publication-format="electronic"><day>30</day><month>09</month><year>2019</year></pub-date><volume>15</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>102</fpage><lpage>112</lpage><history><date date-type="received" iso-8601-date="2019-03-10"><day>10</day><month>03</month><year>2019</year></date><date date-type="accepted" iso-8601-date="2019-03-27"><day>27</day><month>03</month><year>2019</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://oncourology.abvpress.ru/oncur/article/view/931">https://oncourology.abvpress.ru/oncur/article/view/931</self-uri><abstract xml:lang="en"><p><bold>Objective: </bold>to comparе the safety and efficacy of the new method of en-bloc transurethral resection (TUR) and conventional TUR in management of primary non-muscle-invasive bladder cancer, and investigate long-term effects on tumour recurrence and progression.</p><p><bold>Materials and methods. </bold>A total of 914 patients with primary non-muscle-invasive bladder cancer were treated using TUR of bladder at the Minsk City Clinical Oncologic Dispensary in 2005 to 2016. For final analysis the data was underwent many-stage random sampling. Randomization was stratified according to sex and age, category T, tumour grade, EORTC risk groups. In total, 273 patients were selected: 136 in the new method of en-bloc TUR group (a study group) and 137 in the conventional TUR group (a control group). The new method of en-bloc TUR is based on using impulses of high-frequency current applied to the active electrode of the resectoscope. The impulse sequence and individual impulse duration within the interval from 0.1 to 1 second are controlled in the course of the operation. Five-year follow-up data of operative management were analyzed.</p><p><bold>Results. </bold>In event of the new method of en-bloc TUR there were no perioperative complications and no cases of conversion to conventional TUR. Postoperative complications were less frequently observed in the new method group compared with conventional TUR group. There were significant differences with major priority to the new method of en-bloc TUR in median time to recurrence (р = 0.032) and progression (р = 0.001), 5-year survival to recurrence (р = 0.0001) and progression (р = 0.001), 5-year cancer-specific survival (р = 0.033) and overall survival (р = 0.045) of patients.</p><p><bold>Conclusion. </bold>The new method of en-bloc TUR of non-muscle-invasive bladder cancer was more effective than conventional TUR in reducing rates of intraand postoperative complications, and at the same time was applicable in all clinical cases, regardless of the tumor location in the bladder lumen, its size, vascularization, and growth pattern. The new method of en-bloc TUR also significantly improved the long-term cancer treatment results in patients with primary non-muscle-invasive bladder cancer.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель исследования </bold>– сравнение безопасности и эффективности нового метода моноблочной трансуретральной резекции (МБТУР) и стандартной трансуретральной резекции (сТУР) в лечении первичного немышечно-инвазивного рака мочевого пузыря и изучение их влияния на отдаленные показатели рецидивирования и прогрессирования заболевания.</p><p><bold>Материалы и методы. </bold>В совокупности 914 пациентов с диагнозом первичного немышечно-инвазивного рака мочевого пузыря были пролечены методом трансуретральной резекции мочевого пузыря в Минском городском клиническом онкологическом диспансере в период с 2005 по 2016 г. Для окончательного анализа выполнена бесповторная стратифицированная многоступенчатая случайная выборка из общей базы пациентов. Рандомизация была проведена по полу, возрасту, категории Т, степеням дифференцировки опухолей, группам риска по шкале EORTC. В общей сложности отобраны 273 пациента: 136 в группу нового метода МБТУР (основная группа) и 137 в группу сТУР (контрольная группа). Основой нового метода МБТУР является использование импульсов тока высокой частоты, подаваемых на активный электрод резектоскопа, управляя в процессе операции их импульсной последовательностью и длительностью отдельных импульсов в интервале от 0,1 до 1 с. Были проанализированы 5‑летние результаты хирургического лечения.</p><p><bold>Результаты. </bold>При применении нового метода МБТУР не зарегистрировано периоперационных осложнений и случаев конверсии. Послеоперационные осложнения наблюдались с меньшей частотой в основной группе по сравнению с контрольной. Наблюдалось статистически значимое преимущество нового метода МБТУР по показателям медианы времени до развития рецидива (р = 0,032) и прогрессирования (р = 0,001), 5‑летней безрецидивной выживаемости (р = 0,0001) и выживаемости до прогрессирования (р = 0,001), 5‑летней опухолевоспецифической выживаемости (р = 0,033) и общей выживаемости (р = 0,045) пациентов.</p><p><bold>Заключение. </bold>Новый метод МБТУР немышечно-инвазивного рака мочевого пузыря более эффективен по сравнению с методом сТУР в снижении риска интраи послеоперационных осложнений и в то же время был применимым во всех клинических случаях, независимо от локализации опухоли в мочевом пузыре, ее размера, васкуляризации, характера роста. Новый метод МБТУР также значительно улучшил отдаленные онкологические результаты лечения пациентов с диагнозом первичного немышечно-инвазивного рака мочевого пузыря.</p></trans-abstract><kwd-group xml:lang="en"><kwd>non-muscle-invasive bladder cancer</kwd><kwd>conventional transurethral resection</kwd><kwd>en-bloc transurethral resection</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>немышечно-инвазивный рак мочевого пузыря</kwd><kwd>стандартная трансуретральная резекция</kwd><kwd>моноблочная трансуретральная резекция</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Siegel R.L., Miller K.D., Jemal A. Cancer statistics, 2018. CA Cancer J Clin 2018;68(1):7–30. DOI: 10.3322/caac.21442.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Heney N., Ahmed S., Flanagan M. et al. Superficial bladder cancer: progression and recurrence. J Urol 1983;130(6): 1083–6. 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