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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">ometendo</journal-id><journal-title-group><journal-title xml:lang="ru">Ожирение и метаболизм</journal-title><trans-title-group xml:lang="en"><trans-title>Obesity and metabolism</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2071-8713</issn><issn pub-type="epub">2306-5524</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/2071-8713-4954</article-id><article-id custom-type="elpub" pub-id-type="custom">ometendo-4954</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>Статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>Автоматизированный электрохемилюминесцентный метод определения кортизола в слюне для диагностики эндогенного гиперкортицизма среди пациентов с ожирением</article-title><trans-title-group xml:lang="en"><trans-title>Avtomatizirovannyy elektrokhemilyuminestsentnyy metod opredeleniya kortizola v slyune dlya diagnostiki endogennogo giperkortitsizma sredi patsientov s ozhireniem</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Belaya</surname><given-names>Zhanna Evgenyevna</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., старший научный сотрудник отделения нейроэндокринологии и остеопатий</p></bio><email xlink:type="simple">jannabelaya@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Il'in</surname><given-names>Aleksandr Viktorovich</given-names></name></name-alternatives><bio xml:lang="ru"><p>заведующий отделением лаборатории клинической биохимии</p></bio><email xlink:type="simple">org@endocrincentr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Mel'nichenko</surname><given-names>Galina Afanasyevna</given-names></name></name-alternatives><bio xml:lang="ru"><p>профессор, член-корреспондент РАМН, директор института клинической эндокринологии</p></bio><email xlink:type="simple">teofrast2000@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Rozhinskaya</surname><given-names>Lyudmila Yakovlevna</given-names></name></name-alternatives><bio xml:lang="ru"><p>профессор, заведующая отделением нейроэндокринологии и остеопатий</p></bio><email xlink:type="simple">rozh@endocrincentr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Dragunova</surname><given-names>N V</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант отделения нейроэндокринологии и остеопатий</p></bio><email xlink:type="simple">org@endocrincentr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Dzeranova</surname><given-names>Larisa Konstantinovna</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., главный научный сотрудник отделения нейроэндокринологии и остеопатий</p></bio><email xlink:type="simple">dzeranovalk@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ogneva</surname><given-names>Natalya Aleksandrovna</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант отделения терапии с группой патологии метаболизма и ожирения</p></bio><email xlink:type="simple">org@endocrincentr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Butrova</surname><given-names>S A</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н. ведущий научный сотрудник отделения терапии с группой патологии метаболизма и ожирения</p></bio><email xlink:type="simple">org@endocrincentr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Troshina</surname><given-names>Ekaterina Anatolyevna</given-names></name></name-alternatives><bio xml:lang="ru"><p>профессор, заведующая отделением терапии с группой патологии метаболизма и ожирения</p></bio><email xlink:type="simple">troshina@endocrincentr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Kolesnikova</surname><given-names>G S</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.б.н., главный научный сотрудник</p></bio><email xlink:type="simple">org@endocrincentr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Dedov</surname><given-names>Ivan Ivanovich</given-names></name></name-alternatives><bio xml:lang="ru"><p>академик РАН и РАМН, директор ФГУ «Эндокринологический научный центр» Минздравсоцразвития России</p></bio><email xlink:type="simple">dedov@endocrincentr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГУ «Эндокринологический научный центр» Минздравсоцразвития России, Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Endocrinology Research Centre, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2011</year></pub-date><pub-date pub-type="epub"><day>15</day><month>06</month><year>2011</year></pub-date><volume>8</volume><issue>2</issue><issue-title>№2 (2011)</issue-title><fpage>56</fpage><lpage>63</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Belaya Z.E., Il'in A.V., Mel'nichenko G.A., Rozhinskaya L.Y., Dragunova N.V., Dzeranova L.K., Ogneva N.A., Butrova S.A., Troshina E.A., Kolesnikova G.S., Dedov I.I., 2011</copyright-statement><copyright-year>2011</copyright-year><copyright-holder xml:lang="ru">Belaya Z.E., Il'in A.V., Mel'nichenko G.A., Rozhinskaya L.Y., Dragunova N.V., Dzeranova L.K., Ogneva N.A., Butrova S.A., Troshina E.A., Kolesnikova G.S., Dedov I.I.</copyright-holder><copyright-holder xml:lang="en">Belaya Z.E., Il'in A.V., Mel'nichenko G.A., Rozhinskaya L.Y., Dragunova N.V., Dzeranova L.K., Ogneva N.A., Butrova S.A., Troshina E.A., Kolesnikova G.S., Dedov I.I.</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.omet-endojournals.ru/jour/article/view/4954">https://www.omet-endojournals.ru/jour/article/view/4954</self-uri><abstract><p>Исследование уровня кортизола в слюне используется для диагностики эндогенного гиперкортицизма. Однако рефе- рентный интервал и оптимальные точки разделения отличаются при применении различных методов определения кортизола. Цель данного исследования - изучить возможности электрохемилюминесцентного (ЭХЛА) метода определения свобод- ного кортизола в слюне на аппарате Cobas e601 для диагностики эндогенного гиперкортицизма у пациентов с ожирением. Образцы слюны были собраны в 23.00 у 98 здоровых добровольцев и 123 пациентов с ожирением, у 45 из которых был уста- новлен эндогенный гиперкортицизм. Из этих 221 человек 205 сдавали слюну два дня подряд в 23.00 для оценки воспроиз- водимости метода ЭХЛА, и образцы от 197 человек были заморожены для проведения иммуноферментного анализа (ИФА). У пациентов с подозрением на эндогенный гиперкортицизм проводилась малая проба с дексаметазоном (МПД). Диагноз эндогенного гиперкортицизма окончательно подтверждался после получения результатов гистологического исследования послеоперационного материала или аутопсии. Референтный интервал уровня свободного кортизола у здоровых добровольцев составил 0,5-9,4 нмоль/л. Коэффициент корреляции при измерении свободного кортизола в одно и то же время два дня под- ряд - 0,785. Оптимальная точка разделения для диагностики эндогенного гиперкортицизма среди пациентов с ожирением - 9,4 нмоль/л (чувствительность 84,4% (95% ДИ 71,2-92,2%); специфичность 92,3% (95% ДИ 84,2-96,4%), прогностическая ценность положительного результата 11,0 (95% ДИ 5,0-23,9); прогностическая ценность отрицательного результата 0,17 (95% ДИ 0,08-0,33) и отношение правдоподобия для положительного результата 65,1 (95% ДИ 20,4-207,6). Двукратное измерение кортизола в слюне методом ЭХЛА с расчетом среднего, измерение кортизола в слюне методом ИФА и МПД по диагности- ческим возможностям соответствовали однократному исследованию слюны на свободный кортизол методом ЭХЛА. Вывод. Однократное исследование свободного кортизола в слюне, собранной в 23.00 методом электрохемилюминесцентного имму- ноанализа на анализаторе Cobas e601 - удобный и информативный метод скрининга на эндогенный гиперкортицизм среди пациентов с ожирением.</p></abstract><trans-abstract xml:lang="en"><p>Nighttime salivary cortisol (NSC) has been suggested to be a useful diagnostic test for Cushings syndrome (CS). However, the reference range and cut-off value are assay-specific and discordant. The goal of this study was to assess the analytical performance of automated elecrochemiluminiscence immunoassay method (ECLIA) in CS. Ninety eight healthy volunteers and 123 obese patients including 45 proved to be CS provided salivary samples collected by them at 23:00 using Sallivette. Two hundred and five subjects collected salivary samples for two consecutive days and samples from 197 subjects were frozen to perform Enzyme-linked immunosorbent assay (ELISA). Obese patients underwent the 1-mg overnight dexamethasone suppression test (1-DST). CS was confirmed by the histologic diagnosis after surgical treatment or autopsy. The reference range for healthy volunteer has been set 0,5-9,4 nmol/l. Reproducibility was assessed in all subjects by a day-to-day variability and reflected by an intraclass correlation coefficient of 0,785. The cut-off value of 9,4 nmol/l has been suggested to differentiate CS among obese patients to achieve sensitivity of 84,4% (95%confidence interval 71,2-92,2%); specificity of 92,3% (95%CI 84,2-96,4%) and diagnostic odds ratio 65,1 (95% CI 20,4-207,6). Likelihood ratio positive was 11,0 (95% CI 5,0-23,9), with a likelihood ratio negative of 0,17 (95%CI 0,08-0,33). The comparison of the total areas under the ROC-curve for the measurement of NSC once, twice with mean level by ECLIA, the same samples by ELISA and 1-DST have not shown any statistically significant difference among the tests performance. Conclusion: Based on its remarkable reproducibility, easy noninvasive nature, automated assay and at least similar diagnostic performance, NSC measured by ECLIA on Cobas e601 is a preferable first-line screening test for CS.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эндогенный гиперкортицизм</kwd><kwd>свободный кортизол в слюне</kwd><kwd>электрохемилюминесцентный иммуноанализ</kwd><kwd>диагностика</kwd><kwd>ожирение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Cushing's syndrome</kwd><kwd>nighttime salivary cortisol</kwd><kwd>elecrochemiluminiscence immunoassay method</kwd><kwd>diagnostic test</kwd><kwd>obesity</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">Boscaro M., Arnaldi G. Approach to the patient with possible Cushing's syndrome // J. Clin. Endocrinol. 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