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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">Russian Journal of Pediatric Surgery</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Pediatric Surgery</journal-title><trans-title-group xml:lang="ru"><trans-title>Детская хирургия</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1560-9510</issn><issn publication-format="electronic">2412-0677</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">245</article-id><article-id pub-id-type="doi">10.18821/1560-9510-2020-24-5-292-296</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">EFFICIENCY OF THE ENDOSOPIC CORRECTION OF HIGH-GRADE VESICOURETERAL REFLUX IN CHILDREN</article-title><trans-title-group xml:lang="ru"><trans-title>ЭФФЕКТИВНОСТЬ ЭНДОСКОПИЧЕСКОЙ КОРРЕКЦИИ ПУЗЫРНО-МОЧЕТОЧНИКОВОГО РЕФЛЮКСА ВЫСОКОЙ СТЕПЕНИ У ДЕТЕЙ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zorkin</surname><given-names>S. N.</given-names></name><name xml:lang="ru"><surname>Зоркин</surname><given-names>С. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>zorkin@nczd.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shakhnovsky</surname><given-names>D. S.</given-names></name><name xml:lang="ru"><surname>Шахновский</surname><given-names>Д. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Turov</surname><given-names>F. O.</given-names></name><name xml:lang="ru"><surname>Туров</surname><given-names>Ф. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Galuzinskaya</surname><given-names>A. T.</given-names></name><name xml:lang="ru"><surname>Галузинская</surname><given-names>А. Т.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dyakonova</surname><given-names>E. Yu.</given-names></name><name xml:lang="ru"><surname>Дьяконова</surname><given-names>Е. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">National Medical Research Center for Children’s Health</institution></aff><aff><institution xml:lang="ru">ФГАУ «Национальный медицинский исследовательский центр здоровья детей» Министерства здравоохранения Российской Федерации</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-10-05" publication-format="electronic"><day>05</day><month>10</month><year>2020</year></pub-date><volume>24</volume><issue>5</issue><issue-title xml:lang="ru"/><fpage>292</fpage><lpage>296</lpage><history><date date-type="received" iso-8601-date="2021-03-05"><day>05</day><month>03</month><year>2021</year></date></history><permissions><copyright-year>2020</copyright-year><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://jps-nmp.ru/jour/article/view/245">https://jps-nmp.ru/jour/article/view/245</self-uri><abstract xml:lang="en"><p>Introduction. The endoscopic correction of vesicoureteral reflux in children has become a basic treatment technique. Its effectiveness in the low-grade reflux is high. High-grade refluxes are an indication for antireflux reconstructive plastic surgery. The article analyzes outomes of endoscopic treatment of patients with high-grade retrograde urine reflux. Material and methods. A total number of 307 patients (409 ureters) with IV-V grade of vesicoureteral reflux were treated. 156 girls and 151 boys, aged 4 months - 12 years, had the endoscopic correction with Dextranomer and Copolymer of Polyacrylic Polyvinyl Alcohol (PPC). The renal parenchyma damage was assessed with DMSA scan; urinary tract infection - with clinical and laboratory findings (febrile temperature and bacteriuria). Outcomes of treatment were evaluated with micurating cystography performed six months later. It revealed either no reflux or its lower grade - grade one. Average follow-up period was 5. 5 years. Results. The effectiveness of endoscopic correction of vesicoureteral reflux after the first injection was 68.7%. The second injection was effective in 48.9%. Febrile urinary tract infection after the treatment went down up to 6.2%. Marked bacteriuria remained high - 55.3%. Renal parenchyma structural and functional damage was noted in 38.9% of older children; mild and moderate degrees of damage prevailed (45.6% and 40.8%, respectively). Conclusion. The endoscopic correction of high-grade vesicoureteral reflux is recommended as the first line treatment for retrograde urine reflux. This technique is highly effective and minimally invasive.</p></abstract><trans-abstract xml:lang="ru"><p>Введение. Эндоскопическая коррекция пузырно-мочеточникового рефлюкса у детей стала основным методом лечения. Её эффективность при низких степенях достигает высоких цифр. Высокие степени рефлюкса являются показанием для выполнения антирефлюксных реконструктивно-пластических операций. В статье проанализированы результаты возможности применения эндоскопического лечения у больных с высокими степенями ретроградного заброса мочи. Материал и методы. Пролечено 307 пациентов (409 мочеточников) с пузырно-мочеточниковым рефлюксом IV-V степени. В общей сложности 156 девочкам и 151 мальчику в возрасте от 4 мес до 12 лет была проведена эндоскопическая коррекция с использованием декстраномера и кополимера - полиакрилового поливинилового спирта (КПП). Оценка степени повреждения почечной паренхимы проводилась на основании статической нефросцинтиграфии с DMSA, характеристика инфекции мочевых путей - на основании клинико-лабораторных показателей (фебрильная температура и бактериурия). Результат лечения оценивался на основании проводимой через 6 мес микционной цистографии, подтверждавшей исчезновение рефлюкса или его снижение до I степени. Средний срок катамнестического наблюдения составил 5,5 лет. Результаты. Результативность эндоскопической коррекции пузырно-мочеточникового рефлюкса высокой степени после первой инъекции составила 68,7%. При проведении второй инъекции эффективность метода составила 48,9%. Фебрильная инфекция мочевых путей после проведения лечения снизилась до 6,2%. Высоким оставался процент выраженной бактериурии - 55,3%. Наличие структурно-функционального повреждения почечной паренхимы отмечалось у 38,9% детей старшего возраста, преобладала легкая и умеренная степень поражения (45,6 и 40,8% соответственно). Заключение. Эндоскопическую коррекцию высоких степеней пузырно-мочеточникового рефлюкса рекомендовано применять как первый этап лечения ретроградного заброса мочи. Данный метод обладает высокой эффективностью и является малоинвазивным.</p></trans-abstract><kwd-group xml:lang="en"><kwd>vesicoureteral reflux</kwd><kwd>endoscopic correction</kwd><kwd>children</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>пузырно-мочеточниковый рефлюкс</kwd><kwd>эндоскопическая коррекция</kwd><kwd>дети</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Williams G., Fletcher J.T., Alexander S.I. et al. Vesicoureteral reflux. J Am Soc Nephrol. 2008;19:847.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Sargent M.A. What is the normal prevalence of vesicoureteral reflux? Pediatr Radiol. 2000; 30: 587.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Swerkersson S., Jodal U., Sixt R. et al. Relationship among vesicoureteral reflux, urinary tract infection and renal damage in children. 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