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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Almanac of Clinical Medicine</journal-id><journal-title-group><journal-title xml:lang="en">Almanac of Clinical Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Альманах клинической медицины</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2072-0505</issn><issn publication-format="electronic">2587-9294</issn><publisher><publisher-name xml:lang="en">Moscow Regional Research and Clinical Institute (MONIKI)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1725</article-id><article-id pub-id-type="doi">10.18786/2072-0505-2022-50-025</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>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>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">The duration of gastrointestinal symptom persistence at various periods of coronavirus infection</article-title><trans-title-group xml:lang="ru"><trans-title>Длительность сохранения симптомов со стороны желудочно-кишечного тракта в разные периоды коронавирусной инфекции</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9421-9545</contrib-id><name-alternatives><name xml:lang="en"><surname>Sadretdinova</surname><given-names>Lidiya D.</given-names></name><name xml:lang="ru"><surname>Садретдинова</surname><given-names>Лидия Данисовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Assistant Professor, Chair of Internal Medicine, Faculty of Paediatrics</p></bio><bio xml:lang="ru"><p>ассистент кафедры внутренних болезней педиатрического факультета</p></bio><email>shuraleyka1@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7217-7222</contrib-id><name-alternatives><name xml:lang="en"><surname>Gantseva</surname><given-names>Khalida Kh.</given-names></name><name xml:lang="ru"><surname>Ганцева</surname><given-names>Халида Ханафиевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Professor, Chair of Internal Medicine, Faculty of Paediatrics</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор кафедры внутренних болезней педиатрического факультета</p></bio><email>halida.ganceva@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5940-6599</contrib-id><name-alternatives><name xml:lang="en"><surname>Galina</surname><given-names>Ilmira I.</given-names></name><name xml:lang="ru"><surname>Галина</surname><given-names>Ильмира Ильфатовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Resident Physician, Chair of Internal Medicine, Faculty of Paediatrics</p></bio><bio xml:lang="ru"><p>ординатор кафедры внутренних болезней педиатрического факультета</p></bio><email>ilmira.ilfatovna@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0841-3024</contrib-id><name-alternatives><name xml:lang="en"><surname>Tyurin</surname><given-names>Anton V.</given-names></name><name xml:lang="ru"><surname>Тюрин</surname><given-names>Антон Викторович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Associate Professor, Head of Chair of Internal Medicine, Faculty of Paediatrics</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент, заведующий кафедрой внутренних болезней педиатрического факультета</p></bio><email>anton.bgmu@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Bashkir State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Башкирский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2022-09-06" publication-format="electronic"><day>06</day><month>09</month><year>2022</year></pub-date><pub-date date-type="pub" iso-8601-date="2022-12-21" publication-format="electronic"><day>21</day><month>12</month><year>2022</year></pub-date><volume>50</volume><issue>6</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>392</fpage><lpage>399</lpage><history><date date-type="received" iso-8601-date="2022-09-06"><day>06</day><month>09</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-09-06"><day>06</day><month>09</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Sadretdinova L.D., Gantseva K.K., Galina I.I., Tyurin A.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Садретдинова Л.Д., Ганцева Х.Х., Галина И.И., Тюрин А.В.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Sadretdinova L.D., Gantseva K.K., Galina I.I., Tyurin A.V.</copyright-holder><copyright-holder xml:lang="ru">Садретдинова Л.Д., Ганцева Х.Х., Галина И.И., Тюрин А.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://almclinmed.ru/jour/article/view/1725">https://almclinmed.ru/jour/article/view/1725</self-uri><abstract xml:lang="en"><p><bold>Aim</bold>: To analyze prevalence and type of symptomatic gastrointestinal involvement during symptomatic COVID-19 (up to 4–12 weeks after the disease) and post-COVID-19 syndrome (more than 12 weeks from the disease onset).</p> <p><bold>Materials and methods</bold>: We retrospectively analyzed the data from 785 in-patients with the diagnosis of COVID-19, who were treated in the infectious disease hospital from May to December 2020. At the first phase of the study we analyzed how frequently they were referred for out-patient care by a gastroenterology specialist after they were discharged from the hospital (all 785 patient medical files). At the 2nd study phase we performed phone calls to 247 patients, that were discharged from the infectious disease hospital, during which a specially designed questionnaire was filled with items on their comorbidities, general and specific complaints, as well as the standardized Gastrointestinal Symptom Rating Scale (GSRS).</p> <p><bold>Results</bold>: Within 2 years after their discharge from the infectious disease hospital, 88 patients asked for specialized gastroenterological care on an out-patient basis. The most common diagnoses were pancreatic diseases (33%), gastric disorders (31%), intestinal disorders (25%), liver and biliary disorders (11%). At referral, the most common complaints were dyspeptic: nausea, bitter taste in the mouth, heartburn, bloating (25%), abdominal pains of various location (17%) and stool abnormalities, such as diarrhea and constipation (11%).</p> <p>Among patients who participated in the phone survey (N = 247), symptomatic COVID-19 was observed in 90 (11.46%) cases, with predominant complaints being loss of taste, loss of smell, and fever. Post-COVID-19 syndrome was identified in 157 (20%) cases, with their main complaints being weakness, shortness of breath and joint pain. Stool abnormalities and abdominal pain occurred during symptomatic COVID-19 and in the post-COVID-19 period with the same frequency (9% and 10%, respectively). According to the GSRS results, the post-COVID-19 dyspeptic syndrome was characterized by prevailing complaints of heartburn (24%), upper abdominal pain and discomfort (20%), and bloating (15%).</p> <p><bold>Conclusion</bold>: In the patients with a history of COVID-19, along with respiratory syndromes, gastrointestinal symptoms are seen, with their types being variable at various period of the coronavirus infection. In the early COVID-19, these are stool abnormalities and abdominal pain, and during the post-COVID-19 syndrome, nausea, bitter taste in the mouth, heartburn and bloating are more common.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель</bold> – проанализировать частоту и характер симптомов поражения органов пищеварения в период симптоматического COVID-19 (4–12 недель после заболевания) и постковидного синдрома (более 12 недель от начала заболевания).</p> <p><bold>Материал и методы</bold>. Ретроспективно проанализированы данные 785 пациентов, находившихся на стационарном лечении в инфекционном госпитале в период с мая по декабрь 2020 г. с диагнозом COVID-19. На первом этапе изучена обращаемость за амбулаторной медицинской помощью по профилю «гастроэнтерология» после выписки из стационара среди всех 785 пациентов. На втором этапе проведен телефонный опрос 247 пациентов, выписанных из инфекционного госпиталя, с заполнением специально разработанной анкеты, содержащей вопросы о сопутствующих заболеваниях, общих и специфических жалобах, а также с использованием стандартного опросника оценки желудочно-кишечных симптомов GSRS (Gastrointestinal Symptom Rating Scale – Шкала оценки желудочно-кишечных симптомов).</p> <p><bold>Результаты</bold>. В течение 2 лет после выписки из инфекционного госпиталя амбулаторно за медицинской помощью по профилю «гастроэнтерология» обратились 88 пациентов. Наиболее частыми нозологиями были болезни поджелудочной железы (33%), желудка (31%), кишечника (25%), печени, желчного пузыря и желчевыводящих путей (11%). Наиболее частыми жалобами при обращении выступали диспепсические расстройства: тошнота, горечь во рту, изжога, вздутие живота (25%), боли в животе различной локализации (17%) и изменение стула – диарея, запоры (11%).</p> <p>Среди прошедших телефонный опрос 247 человек симптоматический COVID наблюдался в 90 (11,46%) случаях, преобладающими жалобами были потеря вкуса, потеря обоняния и лихорадка. Постковидный синдром был выявлен в 157 (20%) наблюдениях, с основными жалобами на слабость, одышку и боль в суставах. Нарушения стула и боли в животе встречались в период симптоматического COVID-19 и в постковидном периоде с одинаковой частотой – 9 и 10% соответственно. По результатам опросника GSRS, в постковидный период преобладал диспепсический синдром с такими жалобами, как изжога (24%), боль и дискомфорт в верхней части живота (20%), вздутие живота (15%).</p> <p><bold>Заключение</bold>. У пациентов, перенесших COVID-19, наряду с респираторными синдромами отмечаются проявления со стороны желудочно-кишечного тракта, характер которых варьируется на разных этапах коронавирусной инфекции. В ранний период симптоматического COVID-19 отмечаются нарушение стула и боли в животе, при постковидном синдроме – тошнота, горечь во рту, изжога, вздутие живота.</p></trans-abstract><kwd-group xml:lang="en"><kwd>symptomatic COVID-19</kwd><kwd>post-COVID-19 syndrome</kwd><kwd>GSRS questionnaire</kwd><kwd>gastroenterological manifestations of coronavirus infection</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>симптоматический COVID-19</kwd><kwd>постковидный синдром</kwd><kwd>опросник GSRS</kwd><kwd>гастроэнтерологические проявления коронавирусной инфекции</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was performed within the activities of the World Level Eurasian Research and Educational Center and financed from the Republic of Bashkortostan budget allocated for the state support of young scientists, such as postgraduate students and PhDs (the competition call number NOC-GMU-2021).</funding-statement><funding-statement xml:lang="ru">Работа выполнялась в рамках программы деятельности Евразийского научно-образовательного центра мирового уровня за счет средств субсидии в области науки из бюджета Республики Башкортостан для государственной поддержки молодых ученых – аспирантов и кандидатов наук (шифр конкурса – НОЦ-ГМУ-2021).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Chen H, Tong Z, Ma Z, Luo L, Tang Y, Teng Y, Yu H, Meng H, Peng C, Zhang Q, Zhu T, Zhao H, Chu G, Li H, Lu H, Qi X. 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