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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">jofin</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал инфектологии</journal-title><trans-title-group xml:lang="en"><trans-title>Journal Infectology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-6732</issn><publisher><publisher-name>IPO “АIDSSPbR"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22625/2072-6732-2023-15-2-84-92</article-id><article-id custom-type="elpub" pub-id-type="custom">jofin-1507</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>Оригинальное исследование</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Original Research</subject></subj-group></article-categories><title-group><article-title>Клинико-лабораторные особенности вирусных инфекций нижних дыхательных путей у детей</article-title><trans-title-group xml:lang="en"><trans-title>Clinical and laboratory features of viral lower respiratory tract infections in children</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Орлова</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Orlova</surname><given-names>E. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Орлова Елизавета Денисовна – младший научный сотрудник научно-исследовательского отдела капельных инфекций; тел.: 8(812)234-29-87, +7-964-335-07-75</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</p></bio><email xlink:type="simple">3x3.9@mail.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>Бабаченко</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Babachenko</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бабаченко Ирина Владимировна – заведующий научно-исследовательским отделом капельных инфекций; профессор кафедры инфекционных заболеваний у детей ФП и ДПО, д.м.н., профессор; тел.: 8(812)234-29-87, +7-921-579-96-51</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</p></bio><email xlink:type="simple">babachenko-doc@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тян</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Tian</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тян Наталья Сергеевна – младший научный сотрудник научно-исследовательского отдела капельных инфекций; ассистент кафедры инфекционных заболеваний у детей ФП и ДПО; тел.: 8(812)234-29-87, +7-952-387-18-62</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</p></bio><email xlink:type="simple">tiannatalia94@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Козырев</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozyrev</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Козырев Евгений Александрович – аспирант научно-исследовательского отдела капельных инфекций; тел.: 8(812)234-29-87, +7-911-260-23-88</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</p></bio><email xlink:type="simple">kozyrev_zhenya@mail.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>Алексеева</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Alekseeva</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексеева Лидия Аркадьевна – заведующий научно-исследовательским отделом клинической лабораторной диагностики, д.б.н.; тел.: 8(812) 234-34-18</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint-Petersburg</p></bio><email xlink:type="simple">kldidi@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Детский научно-клинический центр инфекционных болезней</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pediatric Research and Clinical Center for Infectious Diseases</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Детский научно-клинический центр инфекционных болезней; Санкт-Петербургский государственный педиатрический медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pediatric Research and Clinical Center for Infectious Diseases; Saint-Petersburg State Pediatric Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>07</day><month>07</month><year>2023</year></pub-date><volume>15</volume><issue>2</issue><fpage>84</fpage><lpage>92</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Орлова Е.Д., Бабаченко И.В., Тян Н.С., Козырев Е.А., Алексеева Л.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Орлова Е.Д., Бабаченко И.В., Тян Н.С., Козырев Е.А., Алексеева Л.А.</copyright-holder><copyright-holder xml:lang="en">Orlova E.D., Babachenko I.V., Tian N.S., Kozyrev E.A., Alekseeva L.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://journal.niidi.ru/jofin/article/view/1507">https://journal.niidi.ru/jofin/article/view/1507</self-uri><abstract><sec><title>Цель</title><p>Цель: дать сравнительную характеристику клинико-лабораторных проявлений респираторных вирусных инфекций нижних дыхательных путей различной этиологии.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы: проведен ретроспективный анализ 385 стационарных карт детей, госпитализированных в клинику Детского научно-клинического центра инфекционных болезней в период с 2016 по 2022 г. Критерии включения: возраст от 1 месяца до 17 лет; инфекционные заболевания нижних дыхательных путей; выделение нуклеиновых кислот респираторного вируса в мазках из носоглотки методом полимеразно-цепной реакции. Всем детям при поступлении проводили: физикальное обследование, осмотр врача-оториноларинголога, клинический анализ крови с подсчетом лейкоцитарной формулы, определение уровня С-реактивного белка, при необходимости – рентгенограмму органов грудной клетки в 2 проекциях.</p></sec><sec><title>Результаты</title><p>Результаты: в этиологической структуре поражений нижних дыхательных путей доминировали респираторно-синцитиальная и риновирусная инфекции. Установлены различия в длительности и выраженности лихорадки и проявлений катарального синдрома при респираторных вирусных инфекциях различной этиологии. Бокавирусная и риновирусная инфекции чаще обусловливали тяжелое поражение нижних дыхательных путей с развитием дыхательной недостаточности. Для вирусных поражений нижних дыхательных путей характерны такие изменения в гемограмме, как относительный нейтрофилез и палочкоядерный сдвиг, которые сохраняются на 4–5-е сутки заболевания. Выраженность воспалительных изменений в крови зависит от этиологии заболевания, наиболее значимые изменения, такие как лейкоцитоз и повышение абсолютного количества нейтрофилов, выявлены при аденовирусной и риновирусной инфекциях.</p></sec><sec><title>Заключение</title><p>Заключение: установлены клинико-этиологические особенности респираторных вирусных инфекций с поражением нижних дыхательных путей у детей. Длительная лихорадка и выявленные воспалительные изменения в гемограмме, нередко в сочетании с повышением уровня С-реактивного белка, у детей с вирусным поражением нижних дыхательных путей объясняют частоту назначения антибактериальных препаратов на любых этапах оказания медицинской помощи. Для выбора оптимальной тактики терапии необходимо учитывать клинико-лабораторные особенности респираторных вирусных инфекций у пациентов с заболеваниями нижних дыхательных путей.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Purpose</title><p>Purpose: to give a comparative characteristic of the clinical and laboratory manifestations of viral lower respiratory tract infections of various etiologies.</p></sec><sec><title>Object and methods</title><p>Object and methods: Medical information of 385 patients, who were hospitalized in the clinic of Pediatric Research and Clinical Center for Infectious Diseases in the period from 2016 to 2022, was retrospectively analyzed. Inclusion criteria: age from 1 month to 17 years; infectious diseases of the lower respiratory tract; extraction of respiratory viral nucleic acids in nasopharyngeal swabs by polymerase chain reaction. Upon admission, all children underwent: a physical examination, an examination by an otorhinolaryngologist, a complete blood test with a leucogram, determination of the level of C-reactive protein, and, if it necessary, a chest X-ray in two projections.</p></sec><sec><title>Results</title><p>Results: Respiratory syncytial virus and rhinovirus dominated in the etiological structure of lower respiratory tract infection. Differences in the duration and severity of fever and manifestations of catarrhal syndrome in respiratory viral infections of various etiologies were established. Boca-virus and rhinovirus infections often caused severe damage of the lower respiratory tract with acute respiratory failure. Viral lower respiratory tract infections have such changes in the leucogram as an increase in neutrophils and band cells, which persist for 4-5 days of the disease. The severity of inflammatory changes in the haemogram depends on the etiology of the disease. The most significant changes, such as leukocytosis and an increase in the absolute count of neutrophils, were detected in adenovirus and rhinovirus infections.</p></sec><sec><title>Conclusion</title><p>Conclusion: There were age and clinical features of viral lower respiratory tract infections in children. Prolonged fever and identified inflammatory changes in the hemogram, often in combination with an increase in the level of C-reactive protein, in children with viral lesions of the lower respiratory tract explain the frequency of prescribing antibacterial drugs at any stage of medical care. To select the optimal therapy tactics, it is necessary to take into account the clinical and laboratory features of respiratory viral infections in patients with diseases of the lower respiratory tract.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>инфекция нижних дыхательных путей</kwd><kwd>респираторные вирусы</kwd><kwd>клинические особенности</kwd><kwd>дети</kwd><kwd>гемограмма</kwd><kwd>С-реактивный белок</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ower respiratory tract infections</kwd><kwd>respiratory virus</kwd><kwd>сlinical features</kwd><kwd>children</kwd><kwd>complete blood test</kwd><kwd>C-reactive protein</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">Vos T, Lim SS, Abbafati C, et al. Global burden of 369 diseases and injuries in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019. 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