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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">pulmo</journal-id><journal-title-group><journal-title xml:lang="ru">Пульмонология</journal-title><trans-title-group xml:lang="en"><trans-title>PULMONOLOGIYA</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-0189</issn><issn pub-type="epub">2541-9617</issn><publisher><publisher-name>Scientific and Practical Journal “PULMONOLOGIYA” LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18093/0869-0189-2022-32-6-862-868</article-id><article-id custom-type="elpub" pub-id-type="custom">pulmo-2423</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>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Гиалуроновая кислота как предиктор обострений хронической обструктивной болезни легких профессиональной этиологии</article-title><trans-title-group xml:lang="en"><trans-title>Hyaluronic acid as a predictor of exacerbation of occupational chronic obstructive pulmonary disease</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4307-9321</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федотов</surname><given-names>В. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedotov</surname><given-names>V. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Федотов Василий Дмитриевич – кандидат медицинских наук, старший научный сотрудник клинического отдела ННИИГП; ассистент кафедры госпитальной терапии имени В.Г. Вогралика ПИМУ МЗ РФ; главный внештатный пульмонолог Министерства здравоохранения Нижегородской области.</p><p>603105, Нижний Новгород, ул. Семашко, 20; 603005, Нижний Новгород, пл. Минина и Пожарского, 10 / 1</p><p>тел.: (831) 419-61-94</p></bio><bio xml:lang="en"><p>Vasiliy D. Fedotov - Candidate of Medicine, Senior Research Scientist, Clinical Department, Nizhny Novgorod Research Institute for Hygiene and Occupational Pathology, Federal Service for Supervision of Consumer Rights Protection and Human Welfare, assistant professor of V.G. Vogralik Hospital Therapy Department, Privolzhsky Research Medical University of the Ministry of Health of the Russian Federation; chief non-staff pulmonologist of the Ministry of Healthcare of the Nizhegorodskaya oblast.</p><p>Semashko ul. 20, Nizhny Novgorod, 603105; pl. Minina i Pozharskogo 10/1, Nizhny Novgorod, 603005</p><p>tel.: (831) 419-61-94</p></bio><email xlink:type="simple">basil11@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0136-7133</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хлыстов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khlystov</surname><given-names>A. C.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хлыстов Алексей Сергеевич - студент VI курса лечебного факультета.</p><p>603005, Нижний Новгород, пл. Минина и Пожарского, 10 / 1</p><p>тел.: (831) 419-61-94</p></bio><bio xml:lang="en"><p>Alexei S. Khlystov - VI year student, Faculty of Medicine, Privolzhsky Research Medical University of the Ministry of Health of the Russian Federation.</p><p>Minina i Pozharskogo pl. 10/1, Nizhny Novgorod, 603005</p><p>tel.: (831) 419-61-94</p></bio><email xlink:type="simple">KhlistovAS.1997@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5254-9378</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Блинова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Blinova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Блинова Татьяна Владимировна – доктор медицинских наук, ведущий научный сотрудник клинического отдела.</p><p>603105, Нижний Новгород, ул. Семашко, 20</p><p>тел.: (831) 419-61-94</p></bio><bio xml:lang="en"><p>Tat'yana V. Blinova - Doctor of Medicine, Leading Researcher, Clinical Department, Nizhny Novgorod Research Institute for Hygiene and Occupational Pathology, Federal Service for Supervision of Consumer Rights Protection and Human Welfare.</p><p>Semashko ul. 20, Nizhny Novgorod, 603105</p><p>tel.: (831) 419-61-94</p></bio><email xlink:type="simple">btvdn@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0672-6622</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Страхова</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Strakhova</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Страхова Лариса Анатольевна - научный сотрудник клинического отдела.</p><p>603105, Нижний Новгород, ул. Семашко, 20</p><p>тел.: (831) 419-61-94</p></bio><bio xml:lang="en"><p>Larisa A. Strakhova - Researcher, Clinical Department, Nizhny Novgorod Research Institute for Hygiene and Occupational Pathology, Federal Service for Supervision of Consumer Rights Protection and Human Welfare.</p><p>Semashko ul. 20, Nizhny Novgorod, 603105</p><p>tel.: (831) 419-61-94</p></bio><email xlink:type="simple">recept@nniigp.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2439-5196</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лавренюк</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lavrenyuk</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лавренюк Наталья Александровна – кандидат медицинских наук, заведующая профпатологическим отделением.</p><p>603105, Нижний Новгород, ул. Семашко, 20</p><p>тел.: (831) 419-61-94</p></bio><bio xml:lang="en"><p>Natal'ya A. Lavrenyuk - Candidate of Medicine, Head of the Occupational Pathology Department, Nizhny Novgorod Research Institute for Hygiene and Occupational Pathology, Federal Service for Supervision of Consumer Rights Protection and Human Welfare.</p><p>Semashko ul. 20, Nizhny Novgorod, 603105</p><p>tel.: (831) 419-61-94</p></bio><email xlink:type="simple">recept@nniigp.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7246-6702</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Добротина</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Dobrotina</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Добротина Ирина Сергеевна - кандидат медицинских наук, доцент кафедры госпитальной терапии имени В.Г. Вогралика.</p><p>603005, Нижний Новгород, пл. Минина и Пожарского, 10 / 1</p><p>тел.: (831) 419-61-94</p></bio><bio xml:lang="en"><p>Irina S. Dobrotina - Candidate of Medicine, Associate Professor, V.G.Vogralik Hospital Therapy Department, Privolzhsky Research Medical University of the Ministry of Health of the Russian Federation.</p><p>Minina i Pozharskogo pl. 10/1, Nizhny Novgorod, 603005</p><p>tel.: (831) 419-61-94</p></bio><email xlink:type="simple">dobrotina@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Нижегородский научно-исследовательский институт гигиены и профпатологии Федеральной службы по надзору в сфере защиты прав потребителей и благополучия человека; Приволжский исследовательский медицинский университет Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Nizhny Novgorod Research Institute for Hygiene and Occupational Pathology, Federal Service for Supervision of Consumer Rights Protection and Human Welfare; Privolzhsky Research Medical University of the Ministry of Health of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Приволжский исследовательский медицинский университет Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Privolzhsky Research Medical University of the Ministry of Health of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Нижегородский научно-исследовательский институт гигиены и профпатологии Федеральной службы по надзору в сфере защиты прав потребителей и благополучия человека</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Nizhny Novgorod Research Institute for Hygiene and Occupational Pathology, Federal Service for Supervision of Consumer Rights Protection and Human Welfare</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>12</day><month>12</month><year>2022</year></pub-date><volume>32</volume><issue>6</issue><fpage>862</fpage><lpage>868</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Федотов В.Д., Хлыстов А.С., Блинова Т.В., Страхова Л.А., Лавренюк Н.А., Добротина И.С., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Федотов В.Д., Хлыстов А.С., Блинова Т.В., Страхова Л.А., Лавренюк Н.А., Добротина И.С.</copyright-holder><copyright-holder xml:lang="en">Fedotov V.D., Khlystov A.C., Blinova T.V., Strakhova L.A., Lavrenyuk N.A., Dobrotina I.S.</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.pulmonology.ru/pulm/article/view/2423">https://journal.pulmonology.ru/pulm/article/view/2423</self-uri><abstract><p>Частота обострений хронической обструктивной болезни легких (ХОБЛ) является одним из главных факторов, определяющих исход данного заболевания. В связи с этим особую актуальность приобретает такая научно-практическая задача, как поиск биомаркеров, отражающих риск развития обострений. Целью исследования явилось изучение зависимости между концентрацией гиалуроновой кислоты (ГК) в сыворотке крови и частотой обострений ХОБЛ профессиональной этиологии (ПЭ), обусловленной воздействием кремнеземсодержащей пыли, а также обоснование применения ГК как предиктора обострений ХОБЛ. Материалы и методы. Обследованы пациенты (n = 78) с ХОБЛ ПЭ. Функция внешнего дыхания оценивалась по следующим параметрам: форсированная жизненная емкость легких (ФЖЕЛ, %долж.), объем форсированного выдоха за 1-ю секунду (ОФВ1, %долж.) и расчетное соотношение этих параметров (ОФВ1 / ФЖЕЛ, %) — модифицированный индекс Тиффно. У всех обследуемых при помощи метода твердофазного иммуноферментного анализа в сыворотке крови определялась концентрация ГК (нг / мл). Абсолютное количество эозинофилов в крови (клеток / мкл) определялось по унифицированному методу морфологического исследования форменных элементов крови с дифференциальным подсчетом лейкоцитарной формулы. Результаты. Концентрация ГК в сыворотке крови у больных ХОБЛ ПЭ с частыми обострениями была статистически значимо выше (на 25 %) такового показателя у пациентов с редкими обострениями (р = 0,004). Наиболее значимая корреляционная связь средней силы выявлена между уровнем ГК и частотой обострений ХОБЛ (прямая связь — при r = 0,32; р = &lt; 0,05), а также между ОФВ1 и частотой обострений ХОБЛ (обратная связь — при r = —0,32; р &lt; 0,05). Обнаружена слабая корреляция между относительным количеством эозинофилов в крови и частотой обострений ХОБЛ (прямая связь — при r = 0,2; р &lt; 0,05). Также установлена слабая корреляционная связь между уровнем ГК и ОФВ1 (обратная связь — при r = —0,23; р &lt; 0,05), а также между уровнем ГК и относительным количеством эозинофилов (прямая связь — при r = 0,18; р &lt; 0,05). Заключение. Определение количества ГК в сыворотке крови у пациентов с ХОБЛ ПЭ может использоваться в клинической практике в качестве биохимического маркера оценки риска обострений и прогрессирования бронхолегочной патологии.</p></abstract><trans-abstract xml:lang="en"><p>The frequency of exacerbations of chronic obstructive pulmonary disease (COPD) is one of the main factors determining the outcome. The search for biomarkers which reflect the risk of exacerbations is one of the urgent scientific and practical objectives. Aim. The study aimed to analyze the relationship between the serum concentration of hyaluronic acid (HA) and the frequency of exacerbations of occupational COPD caused by exposure to silica dust and to substantiate the use of HA as a predictor of exacerbations of COPD. Methods. 78 individuals with a diagnosis of occupational COPD were examined. Respiratory function was assessed based on forced vital capacity of the lungs (FVC, %), the forced expiratory volume in 1 second (FEV1, %) and the calculated ratio of these parameters (FEV1/FVC, %), i.e., modified Tiffno index. The serum concentration of hyaluronic acid (ng/ml) was determined in all individuals using solid-phase enzyme-linked immunosorbent assay (ELISA). The absolute blood level of eosinophils (cell/μl) was determined by a unified method of morphological study of hemocytes with white blood cell differential count. Results. Serum HA concentration in patients with occupational COPD with frequent exacerbations was 25% higher than in the patients with rare exacerbations (the difference was statistically significant; р = 0,004). The analysis of the obtained data showed that the most significant moderate correlation was found between the level of HA and the frequency of COPD exacerbations (direct relationship, r = 0.32; p &lt; 0.05), and FEV1 and the frequency of COPD exacerbations (feedback, r = -0.32;p &lt; 0.05). A weak relationship was found between the relative number of eosinophils and the frequency of COPD exacerbations (direct relationship, r = 0.2; p &lt; 0.05). Weak correlations were also found between the level of HA and FEV1 (feedback, r = -0.23; p &lt; 0.05), between the level of HA and the relative number of eosinophils (direct relationship, r = 0.18; p &lt; 0.05). Conclusion. Quantitative analysis of serum HA in patients with occupational COPD can be used in clinical practice as a biochemical marker for assessing the risk of exacerbations and progression of bronchopulmonary pathology.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>хроническая обструктивная болезнь легких профессиональной этиологии</kwd><kwd>гиалуроновая кислота</kwd><kwd>частота обострений</kwd><kwd>бронхолегочная система</kwd></kwd-group><kwd-group xml:lang="en"><kwd>occupational chronic obstructive pulmonary disease</kwd><kwd>hyaluronic acid</kwd><kwd>the frequency of chronic obstructive pulmonary disease exacerbations</kwd><kwd>bronchopulmonary system</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">Федотов В.Д., Шония М.Л., Белоусько Н.И. 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