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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">periodontology</journal-id><journal-title-group><journal-title xml:lang="ru">Пародонтология</journal-title><trans-title-group xml:lang="en"><trans-title>Parodontologiya</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1683-3759</issn><issn pub-type="epub">1726-7269</issn><publisher><publisher-name>Russian Periodontal Association (RPA)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33925/1683-3759-2023-28-2-143-151</article-id><article-id custom-type="elpub" pub-id-type="custom">periodontology-803</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>ИССЛЕДОВАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH</subject></subj-group></article-categories><title-group><article-title>Инфекция COVID-19: стоматологические аспекты и корреляции биохимических показателей</article-title><trans-title-group xml:lang="en"><trans-title>COVID-19: dental aspects and correlations of biochemical parameters</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6250-1714</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Еварницкая</surname><given-names>Н. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Evarnitskaya</surname><given-names>N. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Еварницкая Наталья Ростиславовна, соискатель ученой степени кандидата медицинских наук кафедры пародонтологии </p><p>Москва</p></bio><bio xml:lang="en"><p>Natalya R. Evarnitskaya, DMD, external PhD student, Department of Periodontology</p><p>Moscow</p></bio><email xlink:type="simple">n.evarnitskaya@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4293-8465</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Янушевич</surname><given-names>О. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Yanushevich</surname><given-names>O. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Янушевич Олег Олегович, академик РАН, доктор медицинских наук, профессор, ректор, заведующий кафедрой пародонтологии </p><p>Москва</p></bio><bio xml:lang="en"><p>Oleg O. Yanushevich, DMD, PhD, DSc, Professor, Academician of the Russian Academy of Sciences, Rector, Head of the Department of Periodontology</p><p>Moscow</p></bio><email xlink:type="simple">rectorat.mgmsu@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7724-8392</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Айвазова</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Aivazova</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Айвазова Регина Андраниковна, доктор медицинских наук, доцент кафедры пародонтологии </p><p>Москва</p></bio><bio xml:lang="en"><p>Regina A. Aivazova, DMD, PhD, DSc, Associate Professor, Department of Periodontology</p><p>Moscow</p></bio><email xlink:type="simple">nauka2023@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный медико-стоматологический университет имени 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><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>13</day><month>06</month><year>2023</year></pub-date><volume>28</volume><issue>2</issue><fpage>143</fpage><lpage>151</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Еварницкая Н.Р., Янушевич О.О., Айвазова Р.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Еварницкая Н.Р., Янушевич О.О., Айвазова Р.А.</copyright-holder><copyright-holder xml:lang="en">Evarnitskaya N.R., Yanushevich O.O., Aivazova R.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://www.parodont.ru/jour/article/view/803">https://www.parodont.ru/jour/article/view/803</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Эпидемия новой коронавирусной инфекции COVID-19 стала значительным вызовом не только для общества и здравоохранения в целом, но и для специалистов в области стоматологии в частности. Известно, что госпитализация больных с хроническим генерализованным пародонтитом на фоне течения COVID-19 негативно сказывается на общем состоянии организма и создает риск ухудшения тяжести заболевания. Актуально изучение взаимосвязи воспалительных заболеваний пародонта и инфекции COVID-19. Цель исследования. Определение особенностей течения воспалительных заболеваний пародонта (ВЗП) у пациентов, перенесших COVID-19 средней тяжести путем определения биохимических параметров ротовой жидкости (РЖ) и сыворотки крови (СК).</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В исследование было включено 165 человек, разделенных на три группы: 1-я – пациенты с ВЗП в стадии обострения; 2-я – пациенты с ВЗП на фоне течения верифицированной инфекции COVID-19 средней тяжести, находящиеся в стационаре КЦ COVID-19; 3-я – контрольная группа (пациенты без ВЗП и верифицированной инфекции COVID-19). Средний возраст в общей выборке составил 32,0 ± 13,0 года, медиана 25,0 лет, минимально 19 лет, максимально 63 года. Всем пациентам проводили обследования состояния тканей и органов полости рта, которые в силу особенностей пациентов, находившихся в стационаре КЦ COVID-19, ограничивались визуальной оценкой (индекс РМА) и определением водородного показателя РЖ. Оценка биохимических параметров РЖ и СК проводились лабораторно по следующим показателям: общий белок, аланинаминотрансфераза (АЛТ), аспартатаминотрансфераза (АСТ), глюкоза, креатинин, мочевина, щелочная фосфатаза (ЩФ), лактатдегидрогеназа (ЛДГ), С-реактивный белок (СРБ).</p></sec><sec><title>Результаты</title><p>Результаты. В результате исследования получены корреляционные зависимости пороговых показателей РЖ и СК, внутри групп видны тенденции, слабые и средние корреляционные связи между параметрами: CРБ, АСТ, ЛДГ, в том числе и pH ротовой жидкости и индексом PMA.</p></sec><sec><title>Заключение</title><p>Заключение. Проведенная работа по анализу количественных и качественных, клинических и биохимических данных расширяет теоретические знания о патофизиологических сдвигах в РЖ и СК при хронических ВЗП; а также об изменениях в СК и РЖ у пациента с ВЗП, которые происходят при развитии инфекции COVID-19 средней тяжести.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Relevance. The COVID-19 pandemic posed significant challenges not only to society and the healthcare system but also to dental specialists. Hospitalization of patients with chronic generalized periodontitis associated with the COVID-19 course is known to adversely affect the overall condition and create the risk for disease severity aggravation. The study of inflammatory periodontal disease and COVID-19 correlation is relevant.</p></sec><sec><title>Purpose</title><p>Purpose. The study aimed to determine the features of inflammatory periodontal disease (IPD) course in patients after moderate COVID-19 by determining oral fluid (OF) and blood serum (BS) biochemical parameters.</p></sec><sec><title>Material and methods</title><p>Material and methods. The study involved 165 subjects divided into three groups: Group 1 – patients with exacerbation of periodontal inflammation; Group 2 – inpatients with inflammatory periodontal disease associated with the course of verified moderate COVID-19; Group 3 – control (patients without IPD and verified COVID-19). The mean total-sample age was 32±13.0 years old, median 25.0, minimum 19 years old, and maximum 63 years old. All patients had oral organ and tissue examinations, which included only visual inspection (PMA index) and OF potential of hydrogen identification due to COVID-19 inpatients’ characteristics. Laboratory evaluation of OF and BS parameters included total protein, alanine transaminase (ALT), aspartate transferase (AST), glucose, creatinine, urea, alkaline phosphatase (AP), lactate dehydrogenase (LDH), C-reactive protein (CRP).</p></sec><sec><title>Results</title><p>Results. The study results showed OF and BS threshold value correlations; in the groups, there are trends, mild and moderate correlations between parameters CRP, AST, and LDH, including oral fluid pH and PMA index.</p></sec><sec><title>Conclusion</title><p>Conclusion. The performed qualitative, quantitative, clinical and biochemical datum analysis broadens theoretical knowledge about a pathological shift in OF and BS in patients with IPD, which takes place during a moderate COVID-19 course.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>воспалительные заболевания пародонта</kwd><kwd>пародонтит</kwd><kwd>неинвазивная диагностика</kwd><kwd>COVID-19</kwd><kwd>исследование ротовой жидкости</kwd><kwd>биохимия слюны</kwd></kwd-group><kwd-group xml:lang="en"><kwd>inflammatory periodontal disease</kwd><kwd>periodontitis</kwd><kwd>non-invasive diagnosis</kwd><kwd>COVID-19</kwd><kwd>oral fluid testing</kwd><kwd>saliva biochemistry</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">Янушевич ОО, Духовская НЕ, Вавилова ТП, Островская ИГ, Еварницкая НР. Показатели смешанной слюны у лиц с соматической патологией. Dental forum. 2019;(1):2-5. 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