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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">10.28996/2618-9801-2019-3-312-319</article-id><article-id custom-type="elpub" pub-id-type="custom">nid-297</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</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Прогностическое значение фиброза интерстиция в нефробиоптате в обратимости острого почечного повреждения при цилиндровой нефропатии у пациентов с множественной миеломой</article-title><trans-title-group xml:lang="en"><trans-title>Interstitial fibrosis and outcomes of acute kidney injury in myeloma cast nephropathy</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>Рехтина</surname><given-names>И. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Rekhtina</surname><given-names>I. 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>Казарина</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kazarina</surname><given-names>E. V.</given-names></name></name-alternatives><email xlink:type="simple">kazarina.ev@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>Столяревич</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Stolyarevich</surname><given-names>E. S.</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>Двирнык</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulikov</surname><given-names>S. 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>Куликов</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Dvirnyk</surname><given-names>V. 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>Менделеева</surname><given-names>Л. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Mendeleeva</surname><given-names>L. P.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ "Национальный медицинский исследовательский центр гематологии" МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Center for Hematology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГБУЗ "Городская клиническая больница № 52 Департамента здравоохранения г. Москвы", Московский городской нефрологический центр; ФГБУ "Национальный медицинский исследовательский центр трансплантологии и искусственных органов им. В.И. Шумакова" МЗ РФ; ФГБОУ ВО "Московский государственный медико-стоматологический университет им. А.И. Евдокимова" Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow City Nephrology Center, Moscow City Hospital 52; V.I. Shumakov Federal Research Center of Transplantology and Artificial Organs; Chair of Nephrology, A.I. Evdokimov Moscow State University of Medicine and Dentistry</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>07</day><month>08</month><year>2024</year></pub-date><volume>21</volume><issue>3</issue><fpage>312</fpage><lpage>319</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рехтина И.Г., Казарина Е.В., Столяревич Е.С., Двирнык В.Н., Куликов С.М., Менделеева Л.П., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Рехтина И.Г., Казарина Е.В., Столяревич Е.С., Двирнык В.Н., Куликов С.М., Менделеева Л.П.</copyright-holder><copyright-holder xml:lang="en">Rekhtina I.G., Kazarina E.V., Stolyarevich E.S., Kulikov S.M., Dvirnyk V.N., Mendeleeva L.P.</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/297">https://journal.nephro.ru/jour/article/view/297</self-uri><abstract><p>Цель исследования: оценить значение выраженности фиброза интерстиция в нефробиоптате в достижении почечного ответа на химиотерапию у пациентов множественной миеломой (ММ), осложненной цилиндровой нефропатией (ЦН) и острым почечным повреждением (ОПП) 3 стадии с потребностью в диализе. Материалы и методы: проведено ретроспективное исследование нефробиоптатов 30 больных ММ с ЦН и ОПП 3 стадии с потребностью в диализе. Степень интерстициального фиброза и тубулярной атрофии (ИФТА) оценивалась полуколичественно (стандартно), помимо этого распространенность фиброза интерстиция (ФИ) оценивалась количественно методом компьютерной морфометрии. Полученные результаты были сопоставлены с клиническими данными. Результаты: у всех пациентов в биоптатах почек был выявлен ФИ с сопутствующей тубулярной атрофией (ТА), медиана его выраженности составила 28,3% [14,5; 59]. В 12 (40%) случаях ФИ соответствовал 1-й степени, медиана 21,5% [14,5; 24,1], у 16 (53%) больных - 2-й степени, медиана 40% [25,1; 48,2], у 2-х (7%) пациентов - 3 степени (54,1% и 59%). Из 30 пациентов, зависимых от гемодиализа к началу химиотерапии, у 17 (57%) был достигнут гематологический ответ, среди них почечный ответ наблюдался у 10 пациентов. При отсутствии гематологического ответа, улучшения функции почек не было отмечено ни в одном случае. Медиана ФИ у больных с почечным ответом составила 22,9% [14,5; 39,3], без улучшения функции почек - 47,1% [40,8; 59], р&lt;0,001. При значении ФИ 40% и более от площади почечной паренхимы можно прогнозировать необратимость ОПП 3 стадии с потребностью в диализе даже при достижении гематологического ответа на химиотерапию с вероятностью 85% (при ДИ 95%). Выводы: у пациентов ЦН и ОПП 3 стадии с потребностью в диализе почечный ответ наблюдался лишь при достижении гематологического ответа на первую линию химиотерапии. У большинства пациентов к началу лечения был выявлены ФИ 2-й степени. Выраженность ФИ в биоптате почки 40% и более к началу терапии является неблагоприятным прогностическим фактором для обратимости ОПП 3 стадии с потребностью в диализе.</p></abstract><trans-abstract xml:lang="en"><p>The aim of the study: to assess the prognostic value of interstitial fibrosis (FI) extension in kidney biopsy for achieving a renal response to therapy in myeloma cast nephropathy (MCN) patients with dialysis-dependent acute kidney injury (AKI). Materials and methods: kidney biopsy samples were retrospectively studied in 30 patients with MCN and dialysis-dependent AKI. Interstitial fibrosis and tubular atrophy (IFTA) were evaluated using semi-quantitative (standard) method. In addition, a quantitative morphometric computer-aided analysis was performed for FI. The results were compared with clinical data. Results: FI was found in kidney biopsy samples of all patients, median of its severity was 28.3% [14.5; 59]. In 12 (40%) cases the FI was graded as the 1st (mild) degree [median 21.5%; 14.5; 24.1], in 16 (53%) patients - the 2nd (moderate) degree FI was found [median 40%; 25.1; 48.2], in 2 (7%) patients 3rd (severe) degree FI was found [54.1% and 59%]. All 30 patients who were dependent on hemodialysis at the beginning of anti-myeloma treatment, 17 (57%) of them achieved myeloma response, among them 10 patients demonstrated renal response. In the absence of myeloma response, the improvement of renal function was not observed in any case. The median quantifed FI in patients with renal response was 22.9% [14.5; 39.3]; in those without improvement renal function it was 47.1% [40.8; 59], p&lt;0.001. The FI value of 40% or higher of the total renal cortex surface makes it possible to predict a lack of improvement kidney function with a probability of 85% (95% CI), even in whose patients in whom a hematological response to anti-myeloma treatment was achieved. Conclusion: renal response in patients with MCN and dialysis-dependent acute kidney injury was observed only when the hematological response was achieved at the first anti-myeloma treatment's line. In most patients by the beginning of treatment, FI was graded as moderate. Quantifying FI in a kidney biopsy of 40% or higher before starting therapy is an unfavorable prognostic factor in the reversibility of dialysis-dependent acute kidney injury.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>цилиндровая нефропатия</kwd><kwd>острое почечное повреждение</kwd><kwd>интерстициальный фиброз</kwd><kwd>множественная миелома</kwd><kwd>myeloma cast nephropathy</kwd><kwd>acute kidney injury</kwd><kwd>interstitial fibrosis</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">Yadav P, Cook M, Cockwell P. Current trends of renal impairment in multiple myeloma. 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J Am Soc Nephrol. 2011. doi:10.1681/ASN.2009091005.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
