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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">perinatology</journal-id><journal-title-group><journal-title xml:lang="ru">Российский вестник перинатологии и педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1027-4065</issn><issn pub-type="epub">2500-2228</issn><publisher><publisher-name>Ltd. “The National Academy of Pediatric Science and Innovation”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21508/1027-4065-2019-64-6-98-105</article-id><article-id custom-type="elpub" pub-id-type="custom">perinatology-1026</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ СЛУЧАИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASES</subject></subj-group></article-categories><title-group><article-title>Острый фокальный бактериальный нефрит</article-title><trans-title-group xml:lang="en"><trans-title>Acute focal bacterial nephritis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0287-6340</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кириллов</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kirillov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кириллов Владимир Иванович – д.м.н., проф. кафедры педиатрии</p><p>127473 Москва, ул. Делегатская, д. 20/1</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8833-9134</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Богданова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogdanova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Богданова Наталья Алексеевна – к.м.н., доц. кафедры педиатрии</p><p>127473 Москва, ул. Делегатская, д. 20/1</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">nabogdanova@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никитина</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitina</surname><given-names>S. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никитина Светлана Юрьевна – к.м.н., зав. нефрологическим отделением</p><p>107014 Москва, ул. Рубцово-Дворцовая, д. 1/3</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жуковская</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhukovskaya</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жуковская Александра Владимировна – асс. кафедры педиатрии</p><p>127473 Москва, ул. Делегатская, д. 20/1</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никитин</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitin</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никитин Михаил Андреевич – студент лечебного факультета </p><p>127473 Москва, ул. Делегатская, д. 20/1</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВО «Московский государственный медико-стоматологический университет им. А.И. Евдокимова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.I. Yevdokimov Moscow State University of Medicine and Dentistry</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГБУЗ «Детская городская клиническая больница святого Владимира Департамента здравоохранения г. Москвы»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Children’s City Clinical Hospital of St. Vladimir, Moscow Department of Healthcare</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>16</day><month>01</month><year>2020</year></pub-date><volume>64</volume><issue>6</issue><fpage>98</fpage><lpage>105</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ltd. “The National Academy of Pediatric Science and Innovation”, 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><copyright-holder xml:lang="en">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><license xlink:href="https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.ped-perinatology.ru/jour/article/view/1026">https://www.ped-perinatology.ru/jour/article/view/1026</self-uri><abstract><p>Представлено описание 13 клинических случаев острого фокального бактериального нефрита у детей в возрасте от 1 года до 4 лет 8 мес (2,6±1,1 года), составивших 1,61% от госпитализированных пациентов по поводу острой инфекции мочевых путей в соответствии с существующими представлениями о данной патологии.</p><p>Острый фокальный бактериальный нефрит – редкий вариант острого пиелонефрита, способный трансформироваться в гнойный процесс, сопровождается неспецифическими признаками острой мочевой инфекции со стойкой лихорадкой и признаками системной воспалительной реакции, который распознается с помощью визуализирующих технологий. При ультразвуковом исследовании в случае острого фокального бактериального нефрита обычно обнаруживаются очаги повышенной эхогенности в одной из почек и/или признаки нефромегалии. Резервным методом диагностики патологии служит компьютерная томография. Адекватная терапия острого фокального бактериального нефрита должна включать обязательное внутривенное введение антибиотиков на протяжении не менее 3 нед, что позволяет добиваться благоприятного исхода заболевания.</p></abstract><trans-abstract xml:lang="en"><p>A description of 13 clinical cases of acute focal bacterial nephritis in children aged from 1 year to 4 years and 8 months (2.6±1.1 years), made up 1,61% from hospitalized for acute urinary tract infections in accordance with existing ideas about this pathology, is presented.</p><p>Acute focal bacterial nephritis is a rare variant of acute pyelonephritis that can transform into a purulent process, accompanied by nonspecific signs of acute urinary infection with persistent fever and signs of a systemic inflammatory response, which is recognized by visualization technologies. Ultrasound investigation in the case of acute focal bacterial nephritis usually reveals focuses of hyper-echogenicity of one of the kidneys and/ or signs of nephromegaly. The reserve method for diagnosing pathology is the computerized tomography. Adequate treatment of acute focal bacterial nephritis must include mandatory intravenous administration of antibiotics for at least 3 weeks , which allows for a favorable outcome of the disease.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дети</kwd><kwd>острый фокальный бактериальный нефрит</kwd><kwd>острая лобарная нефрония</kwd><kwd>ультразвуковое исследование почек</kwd><kwd>гиперэхогенные фокальные изменения</kwd><kwd>антибиотическое лечение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>children</kwd><kwd>acute focal bacterial nephritis</kwd><kwd>acute lobar nephronia</kwd><kwd>nephrosonography</kwd><kwd>hyperechogenic focal changes</kwd><kwd>antibiotic treatment</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Rosenfield A.T., Glickman M.G., Taylor K.J., Grade M., Hodson J. Acute focal bacterial nephritis (acute lobar nefhronia). 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