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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">nefr</journal-id><journal-title-group><journal-title xml:lang="ru">Нефрология</journal-title><trans-title-group xml:lang="en"><trans-title>Nephrology (Saint-Petersburg)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-6274</issn><issn pub-type="epub">2541-9439</issn><publisher><publisher-name>Pavlov First Saint-Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36485/1561-6274-2021-25-1-76-82</article-id><article-id custom-type="elpub" pub-id-type="custom">nefr-1933</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 СТАТЬИ. КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES. CLINICAL INVESTIGATIONS</subject></subj-group></article-categories><title-group><article-title>«Порочный круг» тиреоидного метаболизма при хронической болезни почек</article-title><trans-title-group xml:lang="en"><trans-title>The "vicious circle" of thyroid metabolism in patients with chronic kidney 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/0000-0002-5189-9365</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волкова</surname><given-names>А. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Volkova</surname><given-names>A. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Профессор Волкова Анна Ральфовна - кафедра факультетской терапии с курсом эндокринологии, кардиологии и функциональной диагностики с клиникой.</p><p>197022, Санкт-Петербург, Тел.: +7921-334-29-63</p></bio><bio xml:lang="en"><p>Volkova Anna Ralfovna - Department of Faculty Therapy, Professor.</p><p>197022, St. Petersburg, L'va Tolstogo str. 6-8, Phone: +7-921-33429-63</p></bio><email xlink:type="simple">volkovaa@mail.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/0000-0002-7508-6561</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абрамова</surname><given-names>И. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Abramova</surname><given-names>I. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Абрамова Инна Михайловна - кафедра терапии факультетской с курсом эндокринологии, кардиологии и функциональной диагностики с клиникой, аспирант.</p><p>197022, Санкт-Петербург, Тел.: +7-950-006-29-40</p></bio><bio xml:lang="en"><p>Abramova Inna Mikhailovna - Department of Faculty Therapy, Postgraduate.</p><p>197022, St. Petersburg, L'va Tolstogo str. 6-8, Phone: +7950-006-29-40</p></bio><email xlink:type="simple">vortexgin7@mail.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/0000-0001-6965-684X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алламова</surname><given-names>Г. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Allamova</surname><given-names>G. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алламова Гулбахар Гурбанбаевна - кафедра терапии факультетской с курсом эндокринологии, кардиологии и функциональной диагностики с клиникой, аспирант.</p><p>197022, Санкт-Петербург, Тел.: +7-981-964-84-63</p></bio><bio xml:lang="en"><p>Allamova Gulbahar Gurbanbaevna - Department of Faculty Therapy, Postgraduate.</p><p>197022, St. Petersburg, L'va Tolstogo str. 6-8, Phone: +7-981964-84-63</p></bio><email xlink:type="simple">gulbahara1991@mail.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/0000-0002-8141-4488</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Храброва</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khrabrova</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доцент Храброва Мария Сергеевна - кафедра пропедевтики внутренних болезней с клиникой.</p><p>197022, Санкт-Петербург, Тел.: +7 (812) 338-69-01</p></bio><bio xml:lang="en"><p>Khrabrova Maria Sergeevna - Department of Propaedeutics of Internal Diseases, Assistant Professor.</p><p>197022, St. Petersburg, L'va Tolstogo str. 6-8, Phone: +7 (812) 338-69-01</p></bio><email xlink:type="simple">hrabrovamc@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/0000-0001-8991-0323</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дыгун</surname><given-names>О. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Dygun</surname><given-names>O. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дыгун Ольга Дмитриевна - кафедра терапии факультетской с курсом эндокринологии, кардиологии и функциональной диагностики с клиникой, ассистент.</p><p>197022, Санкт-Петербург, Тел.: +7-965-797-11-79</p></bio><bio xml:lang="en"><p>Dygun Olga Dmitrievna - Department of Faculty Therapy, Assistant.</p><p>197022, St. Petersburg, L'va Tolstogo str. 6-8, Phone: +7-965-79711-79</p></bio><email xlink:type="simple">dod.90@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pavlov First Saint-Petersburg State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>21</day><month>01</month><year>2021</year></pub-date><volume>25</volume><issue>1</issue><fpage>76</fpage><lpage>82</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Волкова А.Р., Абрамова И.М., Алламова Г.Г., Храброва М.С., Дыгун О.Д., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Волкова А.Р., Абрамова И.М., Алламова Г.Г., Храброва М.С., Дыгун О.Д.</copyright-holder><copyright-holder xml:lang="en">Volkova A.R., Abramova I.M., Allamova G.G., Khrabrova M.S., Dygun O.D.</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.nephrolog.ru/jour/article/view/1933">https://journal.nephrolog.ru/jour/article/view/1933</self-uri><abstract><sec><title>Введение</title><p>Введение. Снижение функции щитовидной железы часто выявляется у пациентов с хронической болезнью почек. В условиях гипотиреоза отмечаются существенные изменения в липидном метаболизме, азотовыделительной функции почек. ЦЕЛЬ: изучить показатели функционального состояния щитовидной железы больных с различными стадиями хронической болезни почек.</p></sec><sec><title>Пациенты и методы</title><p>Пациенты и методы. Проведено одномоментное поперечное исследование больных с гломерулопатиями без клинически значимых заболеваний сердечно-сосудистой системы с сохранной ФВ (&gt;55 % по Simpson) с апреля 2019 г. по март 2020 г. В исследование включены 270 пациентов. Для выявления субклинического гипотиреоза проведено определение уровня ТТГ. Пациенты были разделены на группы по уровню ТТГ: с низким уровнем ТТГ, нормальным уровнем ТТГ и субклиническим гипотиреозом. У пациентов оценивались показатели биохимического анализа крови, данные комплексного лабораторного функционального обследования почек.</p></sec><sec><title>Результаты</title><p>Результаты. Выявляемость СГ у больных с разными стадиями ХБП составила 17,56 %. Больные с субклиническим гипотиреозом были значимо старше, чем группа больных с нормальным уровнем ТТГ (р=0,002). В группе больных с субклиническим гипотиреозом только у 9,6 % больных были выявлены антитела к ТПО. Была выявлена корреляционная связь между СКФ и св. Т3 у больных с 3Б и 4 стадиями ХБП (r=0,3; p&lt;0,05). В группе больных с субклиническим гипотиреозом наблюдались снижение общего белка и альбумина, увеличение суточной протеинурии, снижение общего кальция, повышение фосфора неорганического, хлора, снижение почечного транспорта мочевой кислоты.</p></sec><sec><title>Заключение</title><p>Заключение. Повышение уровня ТТГ ассоциировано с продвинутыми стадиями ХБП. Повышение уровня ТТГ у больных с ХБП не ассоциировано с женским полом и старшим возрастом. У большинства больных с гломерулопатиями повышение уровня ТТГ не является исходом аутоиммунного тиреоидита. СГ у больных с ХБП ассоциирован с выраженными нарушениями азотовыделительной функции почек, белкового и электролитного обменов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Decreased thyroid function is common in patients with chronic kidney disease. Under conditions of hypothyroidism, there is significant changes in lipid metabolism, nitrogen excretion function of the kidneys. THE AIM. To study the parameters of the functional state of the thyroid gland in patients with various stages of chronic kidney disease.</p></sec><sec><title>Patients and methods</title><p>Patients and methods. A one-stage cross-sectional study of patients with glomerulopathies without clinically significant diseases of the cardiovascular system with preserved EF (&gt; 55 % according to Simpson) from April 2019 to March 2020 was carried out. The study included 270 patients. To identify subclinical hypothyroidism (SH), the TSH level was determined. Patients were divided into groups according to TSH level: low TSH, normal TSH, and subclinical hypothyroidism. In patients, the indicators of biochemical blood analysis, data from a complex laboratory functional examination of the kidneys were assessed.</p></sec><sec><title>Results</title><p>Results. The detection rate of SH in patients with different stages of CKD was 17.56 %. Patients with SH were significantly older than the group of patients with normal TSH levels (p=0.002). In the group of patients with subclinical hypothyroidism, anti-TPO antibodies were detected only in 9.6 % of patients. A correlation was found between GFR and free T3 in patients with 3B and 4 stages of CKD (r=0.3, p&lt;0.05). In the group of patients with subclinical hypothyroidism, there was a decrease in total protein and albumin, an increase in daily proteinuria, a decrease in total calcium, increased inorganic phosphorus, chlorine, decreased renal transport of uric acid.</p></sec><sec><title>Conclusion</title><p>Conclusion. Increased TSH levels are associated with advanced stages of CKD. The increase in TSH levels in patients with CKD is not associated with female sex and older age. In most patients with glomerulopathies, an increase in TSH levels is not an outcome of autoimmune thyroiditis. SH in CKD patients is associated with severe impairment of renal nitrogen excretion function, protein, and electrolyte metabolism.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>щитовидная железа</kwd><kwd>субклинический гипотиреоз</kwd><kwd>хроническая болезнь почек</kwd><kwd>гломерулопатии</kwd><kwd>комплексное лабораторное функциональное обследование почек</kwd></kwd-group><kwd-group xml:lang="en"><kwd>thyroid gland</kwd><kwd>subclinical hypothyroidism</kwd><kwd>chronic kidney disease</kwd><kwd>glomerulopathy</kwd><kwd>complex laboratory functional examination of the kidneys</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">Rhee CM, Kalantar-Zadeh K, Brent GA, eds. Endocrine Disorders in kidney disease. Diagnosis and Treatment. 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