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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">10.17749/2077-8333.2017.9.4.096-102</article-id><article-id custom-type="elpub" pub-id-type="custom">epilepsia-376</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>ORIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group></article-categories><title-group><article-title>CHRONOBIOLOGY OF EPILEPSY: SEASONAL VARIATIONS IN BIRTH RATES</article-title><trans-title-group xml:lang="ru"><trans-title>ХРОНООСОБЕННОСТИ ЭПИЛЕПСИЙ: ВЛИЯНИЕ СЕЗОННОСТИ РОЖДЕНИЙ</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>Олейникова</surname><given-names>О. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Oleynikova</surname><given-names>O. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олейникова Ольга Михайловна – кандидат медицинских наук, доцент кафедры неврологии, нейрохирургии и медицинской генетики ФГБОУ ВПО им. Н.И. Пирогова.</p><p>Ул. Островитянова, д. 1, Москва, 117997, тел.: +7(926)531-7365</p></bio><email xlink:type="simple">ololeynikova@mail.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>Савенков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Savenkov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савенков Алексей Анатольевич – кандидат медицинских наук, заведующий межокружным отделением пароксизмальных состояний, ГКБ №71.</p></bio><email xlink:type="simple">epileptolog@yandex.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>Авакян</surname><given-names>Г. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Avagyan</surname><given-names>G. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Авакян Георгий Гагикович – кандидат медицинских наук, доцент кафедры неврологии, нейрохирургии и медицинской генетики ФГБОУ ВПО им. Н.И. Пирогова; невролог-эпилептолог специализированного неврологического отделения поликлиника №42 ЦАО.</p></bio><email xlink:type="simple">avakyan_georgy@mail.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>Богомазова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogomazova</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Богомазова Мария Александровна – врач невролог-эпилептолог специализированного консультативно-диагностического отделения, поликлиника №107 СВАО.</p></bio><email xlink:type="simple">bogomazova@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Авакян</surname><given-names>Г. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Avakyan</surname><given-names>G. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Авакян Гагик Норайрович – доктор медицинских наук, заслуженный деятель науки РФ, профессор кафедры неврологии, нейрохирургии и медицинской генетики.</p></bio><email xlink:type="simple">gavakyan@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N. I. Pirogov Russian National Research Medical University, Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Городская клиническая больница №7</institution><country>Россия</country></aff><aff xml:lang="en"><institution>State Cli nical Hospital No. 7</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Городская поликлиника №107 Департамента здравоохранения города Москвы</institution><country>Россия</country></aff><aff xml:lang="en"><institution>City polyclinic №107 of the Moscow City Health Department</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>23</day><month>02</month><year>2018</year></pub-date><volume>9</volume><issue>4</issue><fpage>96</fpage><lpage>102</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Oleynikova O.M., Savenkov A.A., Avagyan G.G., Bogomazova M.A., Avakyan G.N., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Олейникова О.М., Савенков А.А., Авакян Г.Г., Богомазова М.А., Авакян Г.Н.</copyright-holder><copyright-holder xml:lang="en">Oleynikova O.M., Savenkov A.A., Avagyan G.G., Bogomazova M.A., Avakyan G.N.</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/376">https://www.epilepsia.su/jour/article/view/376</self-uri><abstract><p>The aim was to study the seasonal birth rates of epileptic patients.</p><sec><title>Materials and methods</title><p>Materials and methods. Case reports of 6934 patients with epilepsy in three districts of Moscow and one medical center were analyzed. The distribution of patients according to the forms of epilepsy was conducted in agreement with the ILAE classification (2017): genetic generalized – 1475 (21.27%); structural focal – 3972 (57.28%) and unspecified – 1487 (21.45%).</p></sec><sec><title> Results</title><p> Results. The minimal seasonal rate of birth of epileptic patients, regardless of the form of the disease, was in the autumn. The maximal rate of birth occurred in July: 18.4% more epileptic patients were born in summer than in autumn.</p></sec><sec><title>Conclusion</title><p>Conclusion. Considering the children born after pregnancy of normal duration, the autumn (October) is the least favorable season for conception as far as the chances of epilepsy in these children are concerned.</p></sec></abstract><trans-abstract xml:lang="ru"><p>Цель исследования – изучение сезонной рождаемости больных эпилепсией.</p><sec><title>Материалы и методы</title><p>Материалы и методы. Проведен анализ историй болезни 6934 больных эпилепсией ЛПУ трех округов г. Москвы и медицинского центра. Распределение больных по формам эпилепсии согласно классификации ILAE (2017) было следующим: генетические генерализованные – 1475 (21,27%); структурные фокальные – 3972 (57,28%) и неуточненные – 1487 (21,45%).</p></sec><sec><title>Результаты</title><p>Результаты. Минимальное сезонное рождение больных эпилепсией, независимо от формы заболевания, было осенью. Максимальный паттерн рождений приходился на лето (июль): на 18,4% больше рожденных больных эпилепсией по сравнению с осенью.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>хронобиология</kwd><kwd>циркадный ритм</kwd><kwd>геомагнитная активность</kwd><kwd>сезонность</kwd><kwd>генетические</kwd><kwd>структурные</kwd><kwd>генерализованные эпилепсии</kwd><kwd>фокальные эпилепси</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chronobiology</kwd><kwd>circadian rhythm</kwd><kwd>geomagnetic activity</kwd><kwd>seasonal variations</kwd><kwd>genetic epilepsy</kwd><kwd>structural epilepsy</kwd><kwd>generalized epilepsy</kwd><kwd>focal epilepsy</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">Gurkas E., Serdaroglu A., Hirfanoglu T., Kartal A., Yilmaz U., Bilir E. Sleep-wake distribution and circadian patterns of epileptic seizures in children. 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