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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Almanac of Clinical Medicine</journal-id><journal-title-group><journal-title xml:lang="en">Almanac of Clinical Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Альманах клинической медицины</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2072-0505</issn><issn publication-format="electronic">2587-9294</issn><publisher><publisher-name xml:lang="en">Moscow Regional Research and Clinical Institute (MONIKI)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1776</article-id><article-id pub-id-type="doi">10.18786/2072-0505-2022-50-059</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Chronic glomerulonephritis and pregnancy: predictors of preterm birth</article-title><trans-title-group xml:lang="ru"><trans-title>Хронический гломерулонефрит и беременность: предикторы преждевременных родов</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3015-1382</contrib-id><name-alternatives><name xml:lang="en"><surname>Gubina</surname><given-names>Darya V.</given-names></name><name xml:lang="ru"><surname>Губина</surname><given-names>Дарья Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Nephrologist, Consultative and Diagnostic Department; Junior Research Fellow, Surgical Department of Kidney Transplantation</p></bio><bio xml:lang="ru"><p>врач-нефролог консультативно-диагностического отделения, мл. науч. сотр. хирургического отделения трансплантации почки</p></bio><email>penzevadv@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7686-9816</contrib-id><name-alternatives><name xml:lang="en"><surname>Prokopenko</surname><given-names>Elena I.</given-names></name><name xml:lang="ru"><surname>Прокопенко</surname><given-names>Елена Ивановна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Senior Research Fellow, Surgical Department of Kidney Transplantation; Professor, Chair of Transplantology, Nephrology and Artificial Organs, Postgraduate Training Faculty; Nephrologist, Scientific and Advisory Department</p></bio><bio xml:lang="ru"><p>д-р мед. наук, ст. науч. сотр. хирургического отделения трансплантации почки, профессор кафедры трансплантологии, нефрологии и искусственных органов факультета усовершенствования врачей; врач-нефролог научно-консультативного отделения</p></bio><email>renalnephron@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5579-0084</contrib-id><name-alternatives><name xml:lang="en"><surname>Nikol'skaya</surname><given-names>Irina G.</given-names></name><name xml:lang="ru"><surname>Никольская</surname><given-names>Ирина Георгиевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Scientific Secretary</p></bio><bio xml:lang="ru"><p>д-р мед. наук, ученый секретарь</p></bio><email>nikolskaya.55@bk.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Moscow Regional Research and Clinical Institute (MONIKI)</institution></aff><aff><institution xml:lang="ru">ГБУЗ МО «Московский областной научно-исследовательский клинический институт им. М.Ф. Владимирского»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Moscow Regional Research Institute of Obstetrics and Gynecology</institution></aff><aff><institution xml:lang="ru">ГБУЗ МО «Московский областной научно-исследовательский институт акушерства и гинекологии»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-12-23" publication-format="electronic"><day>23</day><month>12</month><year>2022</year></pub-date><volume>50</volume><issue>8</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>463</fpage><lpage>470</lpage><history><date date-type="received" iso-8601-date="2023-01-12"><day>12</day><month>01</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-01-30"><day>30</day><month>01</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Gubina D.V., Prokopenko E.I., Nikol'skaya I.G.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Губина Д.В., Прокопенко Е.И., Никольская И.Г.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Gubina D.V., Prokopenko E.I., Nikol'skaya I.G.</copyright-holder><copyright-holder xml:lang="ru">Губина Д.В., Прокопенко Е.И., Никольская И.Г.</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/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://almclinmed.ru/jour/article/view/1776">https://almclinmed.ru/jour/article/view/1776</self-uri><abstract xml:lang="en"><p><bold>Background</bold>: Chronic kidney disease (CKD) in pregnant women, with one of its most important causes being chronic glomerulonephritis (CGN), increases the incidence of adverse perinatal outcomes and gestational complications, including preterm birth (PB). Being the main cause of infant morbidity and mortality, PB has serious medical and social significance.</p> <p><bold>Aim</bold>: To identify clinical predictors and develop a predictive model of PB in pregnant women with CGN.</p> <p><bold>Materials and methods</bold>: A retrospective/prospective study included 122 CGN patients, whose 128 pregnancies resulted in childbirth from January 2009 to November 2022. Eighty-eight pregnancies were in the patients with CKD stage 1, 15 in stage 2, 21 in stage 3a, 3 in stage 3b, and one in stage 4. One hundred and nine (109) patients (115 pregnancies) delivered on term (at least 37 weeks of gestation) and were included into the group of term deliveries, whereas 13 women with 13 pregnancies had PB within the range of 22 weeks to 36 weeks 6 days. In the patients of both groups, we assessed nephrological and obstetric history, proteinuria and arterial hypertension at baseline and during pregnancy, complications of the index pregnancy, such as preeclampsia (PE) and severe PE, anemia, urinary tract infections, acute kidney injury, placental insufficiency, and cervical insufficiency. Binary logistic regression was used for prediction modeling of PB in women with CGN.</p> <p><bold>Results</bold>: The proportion of PB in total cohort of the CGN patients was 10.2%. PB was spontaneous only in 2/13 (15.4%) cases, while in the rest of 11 pregnancies (84.6%) the delivery was induced due to maternal and fetal indications. Six independent predictors of PB were identified: body mass index, CKD stage, history of non-developing pregnancies, proteinuria during pregnancy ≥ 1 g/day, PE and placental insufficiency. The predictive model had sensitivity of 76.9%, specificity 99.1%, diagnostic efficiency 96.9%, positive predictive value 90.9%, and negative predictive value – 97.4%.</p> <p><bold>Conclusion</bold>: Predicting PB and targeting modifiable factors associated with PB may improve pregnancy outcomes in patients with CGN.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Актуальность</bold>. Наличие у беременных хронической болезни почек (ХБП), одним из этиологических факторов которой служит хронический гломерулонефрит (ХГН), повышает частоту неблагоприятных перинатальных исходов и осложнений гестации, включая преждевременные роды (ПР). Будучи основной причиной младенческой заболеваемости и смертности, ПР имеют большую медико-социальную значимость.</p> <p><bold>Цель</bold> – выявить клинические предикторы и создать прогностическую модель ПР у беременных с ХГН.</p> <p><bold>Материал и методы</bold>. В ретроспективно-проспективное исследование включены 122 пациентки с ХГН, у которых 128 беременностей закончились родами в период с января 2009 по ноябрь 2022 г. На фоне ХБП стадии 1 протекали 88 беременностей, стадии 2 – 15, 3а – 21, 3б – 3, стадии 4 – 1. В группу срочных родов (срок гестации 37 недель и более) вошли 109 пациенток (115 беременностей), в группу ПР (наступили в срок 22 недели – 36 недель 6 дней) – 13 пациенток (13 беременностей). У пациенток обеих групп оценены особенности нефрологического и акушерского анамнеза, определено наличие протеинурии и артериальной гипертензии исходно и во время беременности, осложнений данной беременности: преэклампсии и тяжелой преэклампсии, анемии, инфекций мочевыводящих путей, острого повреждения почек на фоне ХБП, фетоплацентарной недостаточности, истмико-цервикальной недостаточности. С помощью бинарной логистической регрессии построена модель прогноза ПР у женщин, страдающих ХГН.</p> <p><bold>Результаты</bold>. Частота ПР в общей когорте пациенток с ХГН составила 10,2%. Только в 2 случаях из 13 (15,4%) ПР были спонтанными, у остальных 11 беременных (84,6%) – индуцированными по показаниям со стороны матери и/или плода. Выявлено 6 независимых предикторов ПР: индекс массы тела, стадия ХБП, неразвивающиеся беременности в анамнезе, протеинурия во время беременности ≥ 1 г/сут, преэклампсия и фетоплацентарная недостаточность. Чувствительность прогностической модели составила 76,9%, специфичность – 99,1%, диагностическая эффективность – 96,9%, положительная предсказательная значимость – 90,9%, отрицательная предсказательная значимость – 97,4%.</p> <p><bold>Заключение</bold>. Прогнозирование ПР и целенаправленное воздействие на модифицируемые факторы, связанные с ПР, могут улучшить исходы беременности у пациенток с ХГН.</p></trans-abstract><kwd-group xml:lang="en"><kwd>pregnancy</kwd><kwd>preterm delivery</kwd><kwd>chronic glomerulonephritis</kwd><kwd>chronic kidney disease</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>беременность</kwd><kwd>преждевременные роды</kwd><kwd>хронический гломерулонефрит</kwd><kwd>хроническая болезнь почек</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">ГБУЗ МО «Московский областной научно-исследовательский клинический институт им. М.Ф. Владимирского»</institution></institution-wrap><institution-wrap><institution xml:lang="en">Moscow Regional Research and Clinical Institute (“MONIKI”)</institution></institution-wrap></funding-source><award-id>НИР №62</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Hui D, Hladunewich MA. Chronic Kidney Disease and Pregnancy. Obstet Gynecol. 2019;133(6):1182–1194. doi: 10.1097/AOG.0000000000003256.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Gonzalez Suarez ML, Kattah A, Grande JP, Garovic V. Renal Disorders in Pregnancy: Core Curriculum 2019. Am J Kidney Dis. 2019;73(1):119–130. doi: 10.1053/j.ajkd.2018.06.006.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Blom K, Odutayo A, Bramham K, Hladunewich MA. Pregnancy and Glomerular Disease: A Systematic Review of the Literature with Management Guidelines. 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