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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">RUDN Journal of Medicine</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Медицина</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-0245</issn><issn publication-format="electronic">2313-0261</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">38300</article-id><article-id pub-id-type="doi">10.22363/2313-0245-2024-28-1-86-103</article-id><article-id pub-id-type="edn">UMZRLH</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>GINECOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ГИНЕКОЛОГИЯ</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">Obstetric, somatic and infectious risk factors for vulva sclerotic lichen</article-title><trans-title-group xml:lang="ru"><trans-title>Акушерские, соматические и инфекционные факторы риска склеротического лихена вульвы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-0257-6732</contrib-id><name-alternatives><name xml:lang="en"><surname>Osipova</surname><given-names>Lyudmila K.</given-names></name><name xml:lang="ru"><surname>Осипова</surname><given-names>Л. К.</given-names></name></name-alternatives><email>jokagyno@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6537-2572</contrib-id><contrib-id contrib-id-type="spin">3707-3561</contrib-id><name-alternatives><name xml:lang="en"><surname>Kolesnikova</surname><given-names>Ekaterina V.</given-names></name><name xml:lang="ru"><surname>Колесникова</surname><given-names>Е. В.</given-names></name></name-alternatives><email>jokagyno@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5460-5959</contrib-id><contrib-id contrib-id-type="spin">5292-3261</contrib-id><name-alternatives><name xml:lang="en"><surname>Zharov</surname><given-names>Alexander V.</given-names></name><name xml:lang="ru"><surname>Жаров</surname><given-names>А. В.</given-names></name></name-alternatives><email>jokagyno@rambler.ru</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/0000-0003-0371-5629</contrib-id><contrib-id contrib-id-type="spin">7650-9069</contrib-id><name-alternatives><name xml:lang="en"><surname>Penzhoyan</surname><given-names>Milena A.</given-names></name><name xml:lang="ru"><surname>Пенжоян</surname><given-names>М. А.</given-names></name></name-alternatives><email>jokagyno@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kuban State Medical University</institution></aff><aff><institution xml:lang="ru">Кубанский государственный медицинский университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Regional Clinical Hospital No. 2</institution></aff><aff><institution xml:lang="ru">Краевая клиническая больница № 2</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-03-15" publication-format="electronic"><day>15</day><month>03</month><year>2024</year></pub-date><volume>28</volume><issue>1</issue><issue-title xml:lang="en">DENTISTRY</issue-title><issue-title xml:lang="ru">СТОМАТОЛОГИЯ</issue-title><fpage>86</fpage><lpage>103</lpage><history><date date-type="received" iso-8601-date="2024-03-18"><day>18</day><month>03</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Osipova L.K., Kolesnikova E.V., Zharov A.V., Penzhoyan M.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Осипова Л.К., Колесникова Е.В., Жаров А.В., Пенжоян М.А.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Osipova L.K., Kolesnikova E.V., Zharov A.V., Penzhoyan M.A.</copyright-holder><copyright-holder xml:lang="ru">Осипова Л.К., Колесникова Е.В., Жаров А.В., Пенжоян М.А.</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://journals.rudn.ru/medicine/article/view/38300">https://journals.rudn.ru/medicine/article/view/38300</self-uri><abstract xml:lang="en"><p style="text-align: justify;">Relevance. Until now, disputes among scientists about its etiology, pathogenesis, nomenclature and risk factors for the development of vulvar lichen sclerosis have not subsided, which actualizes the need for scientific research aimed at solving these problems. The aim of the study - to establish statistically significant clinical and anamnestic risk factors for vulvar lichen sclerosis. Materials and Methods. An electronic database was formed with data from 344 patients with lichen sclerosus of the vulva and 60 women without vulvar diseases aged 20-70 years on hereditary, obstetric-­gynecological, somatic and infectious history. A statistical comparative correlation analysis of the obtained data was carried out using the Spearman correlation coefficient (R &gt; 0.15), nonparametric Mann - Whitney U test and Student t test (p &lt; 0.05), Chi-square tests, Phi and Cramer statistics. Results and Discussion. Statistically significant (p &lt; 0.05) risk factors for the development of vulvar lichen sclerosus (R, in descending order) were established: the presence of fibrocystic mastopathy (-0.29); late menarche (15 years and older) (-0.28); onset of menopause (-0.25); recurrent vulvo-­vaginal infections (-0.18); recurrent bacterial vaginosis (-0.18); autoimmune thyroiditis (-0.16) and stage II obesity (-0.16). Also, the average number of abortions and births (1.23 and 1.49, respectively) in the group of patients with lichen sclerosis of the vulva is statistically significantly greater (p &lt; 0.05) than the average value (0.27 and 1.13, respectively) in control group. Conclusion. The data obtained on the impact of obesity and autoimmune thyroiditis on the risk of developing vulvar sclerotic lichen are consistent with the results of global studies and confirm the association of the disease with autoimmune and metabolic disorders. Recurrent vulvo-­vaginal infections and dysbiotic processes in the vagina can be both a cause and a consequence of vulvar lichen. The relationship between fibrocystic mastopathy and vulvar lichen sclerosus remains debatable and requires further research. Late menarche, the onset of menopause, a large number of abortions and childbirth can also be considered triggers for vulvar lichen sclerosus in patients with a genetic predisposition to the disease.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">Актуальность. До настоящего момента не утихают споры среди ученых о его этиологии, патогенезе, номенклатурной принадлежности и факторах риска развития склеротического лихена вульвы, что актуализирует необходимость проведения научного поиска, направленного на решение указанных проблем. Цель исследования - установить статистически значимые клинико-­анамнестические факторы риска склеротического лихена вульвы. Материалы и методы. Была сформирована электронная база с данными 344 больных склеротическим лихеном вульвы и 60 женщин без заболеваний вульвы в возрасте 20-70 лет о наследственном, акушерско-­гинекологическом, соматическом и инфекционном анамнезе. Проведен статистический сравнительный корреляционный анализ полученных данных с применением коэффициента корреляции Спирмена (R &gt; 0,15), непараметрических U-критерия Манна - Уитни и t-критерия Стьюдента (p &lt; 0,05), критериев Хи-квадрат, статистиками Фи, Крамера. Результаты и обсуждение. Установлены статистически значимые (p &lt; 0,05) факторы риска развития склеротического лихена вульвы (R, в порядке убывания): наличие фиброзно-­кистозной мастопатии (-0,29); позднее менархе (15 лет и старше) (-0,28); наступление менопаузы (-0,25); рецидивирующие вульво-­вагинальные инфекции (-0,18); рецидивирующий бактериальный вагиноз (-0,18); аутоиммунный тиреоидит (-0,16) и ожирение II степени (-0,16). Также среднее значение количества абортов и родов (1,23 и 1,49, соответственно) в группе больных склеротическим лихеном вульвы статистически значимо больше (p &lt; 0,05), чем среднее значение (0,27 и 1,13, соответственно) в группе контроля. Выводы. Полученные данные о влиянии ожирения и аутоиммунного тиреоидита на риск развития склеротического лихена вульвы согласуются с результатами мировых исследований и подтверждают связь заболевания с аутоиммунными и метаболическими нарушениями. Рецидивирующие вульво-­вагинальные инфекции и дисбиотические процессы во влагалище могут быть как причиной возникновения, а так и следствием лихена вульвы. Взаимосвязь между фиброзно-­кистозной мастопатией и склеротическим лихеном вульвы остается дискуссионной и требует дополнительных исследований. Позднее менархе, наступление менопаузы, большое количество абортов и родов также можно считать триггерами склеротического лихена вульвы у пациенток с генетической предрасположенностью к заболеванию.</p></trans-abstract><kwd-group xml:lang="en"><kwd>lichen sclerosus</kwd><kwd>vulvar lichen</kwd><kwd>lichen sclerosus</kwd><kwd>risk factors</kwd><kwd>comorbidity</kwd><kwd>vulva</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>склеротический лихен</kwd><kwd>лихен вульвы</kwd><kwd>склероатрофический лишай</kwd><kwd>факторы риска</kwd><kwd>коморбидность</kwd><kwd>вульва</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Clinical recommendations (treatment protocol) “Lichen sclerotic and atrophic.» 2020. 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