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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">epilepsia</journal-id><journal-title-group><journal-title xml:lang="en">Epilepsy and paroxysmal conditions</journal-title><trans-title-group xml:lang="ru"><trans-title>Эпилепсия и пароксизмальные состояния</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2077-8333</issn><issn pub-type="epub">2311-4088</issn><publisher><publisher-name>IRBIS LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17749/2077-8333/epi.par.con.2025.217</article-id><article-id custom-type="elpub" pub-id-type="custom">epilepsia-1188</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="en"><subject>CLINICAL CASES</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ СЛУЧАИ</subject></subj-group></article-categories><title-group><article-title>Migraine manifestations due to correction of secondary hyperhomocysteinaemia</article-title><trans-title-group xml:lang="ru"><trans-title>Течение мигрени на фоне коррекции вторичной гипергомоцистеинемии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1570-6607</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Беденко</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Bedenko</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Беденко Анна Сергеевна, к.м.н.  </p><p>Scopus Author ID: 57220812877</p><p>ул. Красная Пресня, д. 16, Москва 123242 </p></bio><bio xml:lang="en"><p>Anna S. Bedenko, PhD  </p><p>Scopus Author ID: 57220812877 </p><p>16 Krasnaya Presnya Str., Moscow 123242 </p></bio><email xlink:type="simple">mailanna91@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Акционерное общество «МЕДСИ 2», Клинико-диагностический центр «МЕДСИ» на Красной Пресне</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MEDSI 2 JSC, Clinical Diagnostic Center MEDSI on Krasnaya Presnya</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>02</day><month>05</month><year>2025</year></pub-date><volume>17</volume><issue>1</issue><fpage>54</fpage><lpage>58</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Bedenko A.S., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Беденко А.С.</copyright-holder><copyright-holder xml:lang="en">Bedenko A.S.</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.epilepsia.su/jour/article/view/1188">https://www.epilepsia.su/jour/article/view/1188</self-uri><abstract><p>Migraine is one of the most common causes of headache with the prevalence reaching 21% and 6% in females and males, respectively, thereby attracting a great attention in investigating underlying migraine pathogenesis. The current article presents a clinical case of alleviated migraine manifestations in female patient with verified hyperhomocysteinaemia occurred due to severe folic acid deficiency. The additional specific characteristic of this case is associated to asymmetry of venous sinuses, revealed by contrast-free magnetic resonance angiography that accounts for cerebral venous dyscirculation. Hyperhomocysteinaemia is one of the factors of endothelial dysfunction, which impact in different diseases, including cerebrovascular, is being discussed. The data have been collected evidencing about a more frequent incidence of this disorder among patients with migraine than in healthy volunteers. Because hyperhomocysteinaemia may be decreased by medical therapy, it’s detection and correction potentially may alleviate migraine manifestations. This hypothesis require to be further investigated.</p></abstract><trans-abstract xml:lang="ru"><p>Мигрень – частая причина головной боли, ее распространенность достигает 21% среди женщин и 6% среди мужчин, поэтому большое внимание уделяется исследованию ее патогенеза. В статье представлен клинический случай улучшения течения мигрени у пациентки на фоне коррекции гипергомоцистеинемии, возникшей вследствие выраженного дефицита фолиевой кислоты. Особенностью данного случая также является асимметрия венозных синусов, выявленная по данным бесконтрастной магнитно-резонансной ангиографии, что обусловливает церебральную венозную дисгемию. Гипергомоцистеинемия – один из факторов эндотелиальной дисфункции, чей вклад в развитие различных заболеваний, в т.ч. цереброваскулярных, обсуждается. Накоплены данные, свидетельствующие о более частом выявлении данного нарушения у пациентов с мигренью по сравнению со здоровыми лицами. Поскольку гипергомоцистеинемия поддается снижению с помощью лекарственной терапии, ее выявление и коррекция могут улучшить течение мигрени, что требует дальнейших исследований.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>мигрень</kwd><kwd>дефицит фолиевой кислоты</kwd><kwd>гомоцистеин</kwd><kwd>эндотелиальная дисфункция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>migraine</kwd><kwd>folic acid deficiency</kwd><kwd>homocysteine</kwd><kwd>endothelial dysfunction</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">Табеева Г.Р. Цереброваскулярные расстройства, ассоциированные с мигренью. Медицинский Совет. 2017; 10: 32–5. https://doi.org/10.21518/2079-701X-2017-10-32-35.</mixed-citation><mixed-citation xml:lang="en">Tabeeva G.R. Migraine-associated cerebrovascular disorders. 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