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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">nid</journal-id><journal-title-group><journal-title xml:lang="ru">Нефрология и диализ</journal-title><trans-title-group xml:lang="en"><trans-title>Nephrology and Dialysis</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1680-4422</issn><issn pub-type="epub">2618-9801</issn><publisher><publisher-name>Российское диализное общество</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.28996/2618-9801-2022-1-117-120</article-id><article-id custom-type="elpub" pub-id-type="custom">nid-63</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>ПИСЬМО В РЕДАКЦИЮ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>LETTER TO THE EDITOR</subject></subj-group></article-categories><title-group><article-title>Паратгормон интактный: сравнение тест-систем 2-го поколения Abbott (Architect, Alinity) и Roche (Cobas) применительно к ведению пациентов с хронической болезнью почек, находящихся на диализе</article-title><trans-title-group xml:lang="en"><trans-title>Intact parathyroid hormone: comparison of the 2nd generation Abbott (Architect, Alinity) and Roche (Cobas) assays in relation to the management of patients with chronic kidney disease on dialysis</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>Бусыгин</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Busygin</surname><given-names>D. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Игонина</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Igonina</surname><given-names>N. A.</given-names></name></name-alternatives><email xlink:type="simple">NIgonina@invitro.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>Хасьянова</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Khasyanova</surname><given-names>E. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Сысоева</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Sysoeva</surname><given-names>S. N.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Салихова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Salikhova</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Федорова</surname><given-names>Л. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorova</surname><given-names>L. G.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Макарова</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Makarova</surname><given-names>T. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Чащихина</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chashchikhina</surname><given-names>E. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Кондрашева</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kondrasheva</surname><given-names>E. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Денисов</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Denisov</surname><given-names>A. Y.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гуревич</surname><given-names>К. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Gurevich</surname><given-names>K. Y.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ООО Независимая лаборатория ИНВИТРО</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Independent Laboratory INVITRO Ltd</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Fresenius Medical Care, Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Fresenius Medical Care</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>21</day><month>06</month><year>2024</year></pub-date><volume>24</volume><issue>1</issue><fpage>117</fpage><lpage>120</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бусыгин Д.А., Игонина Н.А., Хасьянова Е.М., Сысоева С.Н., Салихова А.А., Федорова Л.Г., Макарова Т.А., Чащихина Е.В., Кондрашева Е.А., Денисов А.Ю., Гуревич К.Я., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Бусыгин Д.А., Игонина Н.А., Хасьянова Е.М., Сысоева С.Н., Салихова А.А., Федорова Л.Г., Макарова Т.А., Чащихина Е.В., Кондрашева Е.А., Денисов А.Ю., Гуревич К.Я.</copyright-holder><copyright-holder xml:lang="en">Busygin D.A., Igonina N.A., Khasyanova E.M., Sysoeva S.N., Salikhova A.A., Fedorova L.G., Makarova T.A., Chashchikhina E.V., Kondrasheva E.A., Denisov A.Y., Gurevich K.Y.</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.nephro.ru/jour/article/view/63">https://journal.nephro.ru/jour/article/view/63</self-uri><abstract><p>Фокусируется внимание на недостаточной стандартизации методов определения уровня интактного паратиреоидного гормона (иПТГ). Использование рекомендуемых диагностических порогов иПТГ, выраженных в виде отношения к верхнему референтному пределу для метода, не обеспечивает достаточной согласованности результатов. Это может объясняться вариабельностью референтных групп, используемых производителем для разработки референтных пределов, указанных в инструкциях к реагентам. Несмотря на сходство верхних пределов референтного диапазона, указанных в инструкциях (Roche Cobas e601: 15-65 пг/мл; Abbott Architect i2000 и/или Alinity i: 15-68,3 пг/мл), соотношение которых близко к 1 (1,048), при использовании тест-систем для определения иПТГ 2-го поколения производства Roche и Abbott в параллельных исследованиях одних и тех же проб выявляются более существенные различия. Соотношение результатов измерения концентрации иПТГ в пг/мл с использованием технологий Abbott Alinity i (y) и Roche Cobas 601e (x) в одной серии проб (n=70, включая 40 образцов пациентов, находящихся на диализе) описывается уравнением регрессии y = 1,255x + 3,79. Полученные метод-зависимые отличия следует учитывать при использовании этих распространенных технологий определения интактного ПТГ при ведении пациентов с ХБП 5Д. Референтные пределы для тест-систем иПТГ Abbott применительно нашей популяции потребовали уточнения. Используя технологию иПТГ Abbott Alinity i для обследования контрольной группы практически здоровых людей без дефицита витамина D, мы разработали референтные пределы интактного ПТГ, которые составляли 1,3-9,7 нг/мл (12,3-91,5 пг/мл). Согласно полученным референтным пределам, клинически значимые пороговые значения 1x, 2x, 4x, 9x от верхнего референтного предела для тест-систем иПТГ производства Abbott (Architect, Alinity) в единицах концентрации составляют приблизительно 90-180-350-800 пг/мл.</p></abstract><trans-abstract xml:lang="en"><p>The letter focuses on the issues of insufficient standardization of methods for determination of intact parathyroid hormone (iPTH) level. The use of the recommended diagnostic thresholds of iPTH expressed as a ratio to the upper reference limit for the method does not provide sufficient harmonization of the results. This is possibly explained by the variability of the reference groups used by the manufacturer to develop the reference limits specified in the instructions for reagents. When using iPTH 2nd generation assays manufactured by Roche and Abbott for a parallel study of a series of the same samples, despite the similarity of upper reference limit values specified in the instructions (Roche Cobas e601: 15-65 pg/ml; Abbott Architect i2000 and/or Alinity i: 15-68.3 pg/ml), whose ratio is close to 1 (1,048), more significant differences were revealed. The ratio of the results in measuring the concentration of iPTH in pg/ml using Abbott Alinity i (y) and Roche Cobas 601e (x) technologies in the same sample series (n=70, including 40 samples of dialysis patients) is described by the regression equation y = 1.255x + 3.79. Using Abbott Alinity technology in a reference group of practically healthy individuals with no vitamin D deficiency we developed the reference limits for intact PTH, which were 1.3-9.7 ng/ml (12.3-91.5 pg/ml). According to the reference limits developed in own conditions, the clinically significant thresholds of 1x, 2x, 4x, 9x from the upper reference limit for Abbott (Architect, Alinity) iPTH technologies in concentration units are approximately 90-180-350-800 pg/ml.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Клинические рекомендации. Хроническая болезнь почек (ХБП). Ассоциация нефрологов. МЗ РФ. 2021.</mixed-citation><mixed-citation xml:lang="en">Клинические рекомендации. Хроническая болезнь почек (ХБП). Ассоциация нефрологов. МЗ РФ. 2021.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">K/DOQI Clinical Practice Guidelines for Bone Metabolism and Disease in Chronic Kidney Disease. Am J Kidney Dis. 2003 Oct;42(4 Suppl 3):S1-201. 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