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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="review-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Terapevticheskii arkhiv</journal-id><journal-title-group><journal-title xml:lang="en">Terapevticheskii arkhiv</journal-title><trans-title-group xml:lang="ru"><trans-title>Терапевтический архив</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0040-3660</issn><issn publication-format="electronic">2309-5342</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">33720</article-id><article-id pub-id-type="doi">10.26442/00403660.2019.10.000358</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Editorial article</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Передовая статья</subject></subj-group><subj-group subj-group-type="article-type"><subject>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Central hypothyroidism</article-title><trans-title-group xml:lang="ru"><trans-title>Центральный гипотиреоз</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Petunina</surname><given-names>N A</given-names></name><name xml:lang="ru"><surname>Петунина</surname><given-names>Нина Александровна</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., проф., зав. каф. эндокринологии лечебного факультета; ORCID: 0000-0001-9390-1200</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Trukhina</surname><given-names>L V</given-names></name><name xml:lang="ru"><surname>Трухина</surname><given-names>Любовь Валентиновна</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., доц. каф. эндокринологии лечебного факультета; ORCID: 0000-0001-8997-4984</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Martirosian</surname><given-names>N S</given-names></name><name xml:lang="ru"><surname>Мартиросян</surname><given-names>Нарине Степановна</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., ассистент каф. эндокринологии лечебного факультета; ORCID: 0000-0002-0202-1257</p></bio><email>narinarine@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Sechenov First Moscow State Medical University (Sechenov University)</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Первый Московский государственный медицинский университет им. И.М. Сеченова» Минздрава России (Сеченовский Университет)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-10-15" publication-format="electronic"><day>15</day><month>10</month><year>2019</year></pub-date><volume>91</volume><issue>10</issue><issue-title xml:lang="en">VOL 91, NO10 (2019)</issue-title><issue-title xml:lang="ru">ТОМ 91, №10 (2019)</issue-title><fpage>135</fpage><lpage>138</lpage><history><date date-type="received" iso-8601-date="2020-04-16"><day>16</day><month>04</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</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-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ter-arkhiv.ru/0040-3660/article/view/33720">https://ter-arkhiv.ru/0040-3660/article/view/33720</self-uri><abstract xml:lang="en"><p>Central hypothyroidism is a rare cause of hypothyroidism, consequence of various disorders affecting pituitary (secondary) or hypothalamus (tertiary hypothyroidism). Difficulties in the diagnosis and management of patients are due to the nontypical clinical picture, frequent combination with impaired function of other pituitary hormones, difficulties in laboratory assessment in high TSH levels or low - normal T4 free levels. Diagnosis is based on a confirmed decrease in the level of free T4 with a low or normal level of TSH. The standard treatment for hypothyroidism of any etiology remains monotherapy with levothyroxine, which allows to restore the euthyroid state in most patients. The criterion for the effectiveness of therapy is to maintain the level of T4 free in the upper half of the reference norm interval. The article presents a modern understanding of epidemiology, pathogenesis and strategies for managing patients with central hypothyroidism.</p></abstract><trans-abstract xml:lang="ru"><p>Центральный гипотиреоз является редкой формой гипотиреоза, обусловленной поражением гипофиза (вторичный гипотиреоз) или гипоталамуса (третичный гипотиреоз). Затруднения в диагностике и ведении больных обусловлены стертой клинической картиной, частым сочетанием с нарушениями функции других тропных гормонов гипофиза, трудностями лабораторной верификации диагноза при высоком уровне тиреотропного гормона (ТТГ) и низком или нормальном уровне свободного Т4. Диагностика основывается на подтвержденном снижении уровня свободного Т4 при низком или нормальном уровне ТТГ. Стандартом лечения гипотиреоза любой этиологии при этом остается монотерапия левотироксином натрия, позволяющая восстановить эутиреоидное состояние у большинства пациентов. Критерием эффективности терапии является поддержание уровня свободного Т4 в верхней половине референсного интервала нормы. В статье приведены современные представления об эпидемиологии, патогенезе и стратегии ведения пациентов с центральным гипотиреозом.</p></trans-abstract><kwd-group xml:lang="en"><kwd>central hypothyroidism</kwd><kwd>hypopituitarism</kwd><kwd>L thyroxine</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>центральный гипотиреоз</kwd><kwd>гипопитуитаризм</kwd><kwd>L тироксин</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Lania A, Persani L, Beck-Peccoz P. Central hypothyroidism. 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