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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">problendo</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы Эндокринологии</journal-title><trans-title-group xml:lang="en"><trans-title>Problems of Endocrinology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0375-9660</issn><issn pub-type="epub">2308-1430</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/probl20135943-10</article-id><article-id custom-type="elpub" pub-id-type="custom">problendo-6452</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>Роль градиента пролактина и АКТГ/пролактин-нормализованного отношения для повышения чувствительности и специфичности селективного забора крови из нижних каменистых синусов для дифференциальной диагностики АКТГ-зависимого гиперкортицизма</article-title><trans-title-group xml:lang="en"><trans-title>The role of prolactin gradient and normalized ACTH/prolactin ratio in the improvement of sensitivity and specificity of selective blood sampling from inferior petrosal sinuses for differential diagnostics of ACTH-dependent hypercorticism</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Belaia</surname><given-names>Zh E</given-names></name></name-alternatives><email xlink:type="simple">jannabelaya@gmail.com</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Rozhinskaia</surname><given-names>L Ia</given-names></name></name-alternatives><email xlink:type="simple">-</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Mel'nichenko</surname><given-names>G A</given-names></name></name-alternatives><email xlink:type="simple">-</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Sitkin</surname><given-names>I I</given-names></name></name-alternatives><email xlink:type="simple">-</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Dzeranova</surname><given-names>L K</given-names></name></name-alternatives><email xlink:type="simple">-</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Marova</surname><given-names>E I</given-names></name></name-alternatives><email xlink:type="simple">-</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Vaks</surname><given-names>V V</given-names></name></name-alternatives><email xlink:type="simple">-</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Vorontsov</surname><given-names>A V</given-names></name></name-alternatives><email xlink:type="simple">-</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Il'in</surname><given-names>A V</given-names></name></name-alternatives><email xlink:type="simple">-</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Kolesnikova</surname><given-names>G S</given-names></name></name-alternatives><email xlink:type="simple">-</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Dedov</surname><given-names>I I</given-names></name></name-alternatives><email xlink:type="simple">-</email></contrib></contrib-group><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>15</day><month>08</month><year>2013</year></pub-date><volume>59</volume><issue>4</issue><issue-title>ТОМ 59, №4 (2013)</issue-title><fpage>3</fpage><lpage>10</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Belaia Z.E., Rozhinskaia L.I., Mel'nichenko G.A., Sitkin I.I., Dzeranova L.K., Marova E.I., Vaks V.V., Vorontsov A.V., Il'in A.V., Kolesnikova G.S., Dedov I.I., 2013</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="ru">Belaia Z.E., Rozhinskaia L.I., Mel'nichenko G.A., Sitkin I.I., Dzeranova L.K., Marova E.I., Vaks V.V., Vorontsov A.V., Il'in A.V., Kolesnikova G.S., Dedov I.I.</copyright-holder><copyright-holder xml:lang="en">Belaia Z.E., Rozhinskaia L.I., Mel'nichenko G.A., Sitkin I.I., Dzeranova L.K., Marova E.I., Vaks V.V., Vorontsov A.V., Il'in A.V., 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.probl-endojournals.ru/jour/article/view/6452">https://www.probl-endojournals.ru/jour/article/view/6452</self-uri><abstract><p>В исследование включили пациентов с установленным диагнозом АКТГ-зависимый гиперкортицизм, лечившихся в отделении нейроэндокринологии и остеопатий ФГБУ ЭНЦ в 2008-2012 гг., которым проводили селективный забор крови из нижних каменистых синусов с использованием десмопрессина (8 мкг внутривенно) в качестве стимуляционного агента. Расчет АКТГ/пролактин-нормализованного отношения проводили путем деления максимального градиента АКТГ после стимуляции десмопрессином на базальный ипсилатеральный градиент пролактина. На основании кривых операционных характеристик были рассчитаны точки разделения: 1,5 для градиента пролактина (чувствительность - 92,5%, специфичность - 100%) и 1,18 для АКТГ/пролактин-нормализованного отношения (чувствительность - 85,9%, 95% ДИ 76,8-93,4; специфичность - 100%, 95% ДИ 60,9-100). В анализируемой когорте пациентов (n=70) АКТГ/пролактин нормализованное отношение, хотя и продемонстрировало лучший результат по специфичности, уступало по чувствительности рутинному анализу градиента АКТГ (чувствительность - 98,4% и специфичность - 83,3%); в целом площади под кривыми операционных характеристик не отличались. Однако при сравнении диагностических возможностей селективного забора крови из нижних каменистых синусов в сочетании с оценкой градиента пролактина и АКТГ/пролактин-нормализованного отношения с когортой пациентов, у которых контроль положения катетера не проводился (n=47), наблюдается преимущество первого как по количеству неверифицированных причин гиперкортицизма (1 по сравнению с 6), так и по площадям под кривыми операционных характеристик 0,964 (95% ДИ 0,897-1,032) среди 70 пациентов по сравнению с 0,910 (95% ДИ 0,821-0,998) среди первых 47 пациентов (анализ только подтвержденных случаев). Таким образом, определение градиента пролактина и расчет АКТГ/пролактин-нормализованного отношения позволяет улучшить диагностические возможности селективного забора крови из нижних каменистых синусов на фоне стимуляции десмопрессином, особенно в сомнительных случаях.</p></abstract><trans-abstract xml:lang="en"><p>The present study included patients with confirmed diagnosis of ACTH-dependent hypercorticism admitted to the Department of Neuroendocrinology and Osteopathies, Endocrinological Research Centre, between 2008 and 2012. Selective blood sampling from the inferior petrosal sinuses was performed with the stimulation by decompressin administered intravenously at a dose of 8 mcg. The normalized ACTH/prolactin ratio was calculated by dividing the maximum ACTH gradient following decompressin stimulation by the ipsilateral prolactin gradient. The cut off values were calculated from the operating characteristic curves as follows: 1.5 for the prolactin gradient (sensitivity 92.5%, specificity 100%) and 1.18 for the normalized ACTH/prolactin ratio (sensitivity 85.9%; 95% CI 76.8-93.4, specificity 100%; 95% CI 60.9-100). In the study cohort (n=70), the normalized ACTH/prolactin ratio proved to be a more specific but less sensitive parameter than the routine analysis of the ACTH gradient (sensitivity 98.4%, specificity 83.3%). Areas under the operating characteristic curves were on the whole identical. However, comparison of the diagnostic value of selective blood sampling from the inferior petrosal sinuses in combination of the determination of the prolactin gradient and normalized ACTH/prolactin ratio with the results obtained in the patients in whom the catheter position was not controlled (n=47) revealed the advantages of the former approach in terms of both the number of unverified causes of hypercorticism (1 versus 6) and the area under the operating characteristic curves 0.964 (95% CI 0.897-1.032) among 70 patients and 0.910 (95% CI 0.821-0.998) among the first 47 patients (included in the analysis confined to the confirmed cases). It is concluded that the determination of the prolactin gradient and calculation of the normalized ACTH/prolactin ratio allow to increase the diagnostic value of selective blood sampling from the inferior petrosal sinuses under decompressin stimulation. This inference is especially true of doubtful cases.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>АКТГ-зависимый гиперкортицизм</kwd><kwd>селективный забор крови из нижних каменистых синусов</kwd><kwd>десмопрессин</kwd><kwd>АКТГ/пролактин нормализованное отношение</kwd><kwd>пролактин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ACTH-dependent hypercorticism</kwd><kwd>selective blood sampling from the inferior petrosal sinuses</kwd><kwd>decompressin</kwd><kwd>normalized ACTH/prolactin ratio</kwd><kwd>prolactin.</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">Дедов И.И., Белая Ж.Е., Ситкин И.И., Марова Е.И., Пржиялковская Е.Г., Ремизов О.В., Рожинская Л.Я. Значение метода селективного забора крови из нижних каменистых синусов в дифференциальной диагностике АКТГ-зависимого гиперкортицизма. 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