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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="review-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Kazan medical journal</journal-id><journal-title-group><journal-title xml:lang="en">Kazan medical journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Казанский медицинский журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0368-4814</issn><issn publication-format="electronic">2587-9359</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">591372</article-id><article-id pub-id-type="doi">10.17816/KMJ591372</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Reviews</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Обзоры</subject></subj-group><subj-group subj-group-type="article-type"><subject>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Neurological disorders associated with patent foramen ovale</article-title><trans-title-group xml:lang="ru"><trans-title>Неврологические нарушения, ассоциированные с открытым овальным окном</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-9210-8192</contrib-id><name-alternatives><name xml:lang="en"><surname>Perevezentseva</surname><given-names>Polina D.</given-names></name><name xml:lang="ru"><surname>Перевезенцева</surname><given-names>Полина Дмитриевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>student</p></bio><bio xml:lang="ru"><p>студент</p></bio><email>pperevezentseva@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4255-9107</contrib-id><name-alternatives><name xml:lang="en"><surname>Gaynetdinova</surname><given-names>Dina D.</given-names></name><name xml:lang="ru"><surname>Гайнетдинова</surname><given-names>Дина Дамировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>M.D., D. Sci. (Med.), Prof., Depart. of Neurology</p></bio><bio xml:lang="ru"><p>докт. мед. наук, проф., каф. неврологии</p></bio><email>anetdina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kazan State Medical University</institution></aff><aff><institution xml:lang="ru">Казанский государственный медицинский университет</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-03-19" publication-format="electronic"><day>19</day><month>03</month><year>2024</year></pub-date><pub-date date-type="pub" iso-8601-date="2024-04-01" publication-format="electronic"><day>01</day><month>04</month><year>2024</year></pub-date><volume>105</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>299</fpage><lpage>310</lpage><history><date date-type="received" iso-8601-date="2023-09-21"><day>21</day><month>09</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2024-02-21"><day>21</day><month>02</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Эко-Вектор</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2027-04-01"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://kazanmedjournal.ru/kazanmedj/article/view/591372">https://kazanmedjournal.ru/kazanmedj/article/view/591372</self-uri><abstract xml:lang="en"><p>The foramen ovale between the right and left atria remains open in 15–25% of people over 18 years of age and in most of them it does not manifest itself clinically. At the same time, the defect is associated with a number of diseases and conditions: the development of atrial fibrillation, worsening the degree of hypoxemia in patients with pulmonary diseases, etc. There are studies devoted to the influence of a patent foramen ovale on the occurrence and course of cryptogenic stroke, migraine, syncope, dizziness, transient global amnesia, visual impairment and ocular movement disorders. However, the actual contribution of patent foramen ovale to the development of neurological disorders remains a matter of debate. The purpose of this work was to assess the significance of a patent foramen ovale in the development of neurological disorders in adults and children by analyzing literature data for the period from 2012 to 2022. In the process of studying the literature, a high prevalence of the defect was identified among patients with stroke and migraine (especially migraine with aura). At the same time, data from randomized clinical trials in patients with stroke and migraine showed selectively high effectiveness of closure of the patent foramen ovale in certain groups of patients. The association of patent foramen ovale with transient global amnesia, syncope, and dizziness has been confirmed in a limited number of studies. Cases of visual impairment and ocular movement disorders associated with the presence of a patent foramen ovale have been described. Thus, it was concluded that a patent foramen ovale is a risk factor for the development of neurological disorders only in certain groups of patients with stroke and migraine. The connection between the defect and the development of transient global amnesia, syncope, dizziness, visual impairment, as well as the development of neurological pathology in children requires further research.</p></abstract><trans-abstract xml:lang="ru"><p>Овальное окно между правым и левым предсердиями остаётся открытым у 15–25% людей старше 18 лет и у большинства не проявляется клинически. В то же время, дефект ассоциируют с рядом заболеваний и состояний: развитием фибрилляции предсердий, ухудшением степени гипоксемии у пациентов с лёгочными заболеваниями и др. Существуют исследования, посвящённые влиянию открытого овального окна на возникновение и течение криптогенного инсульта, мигрени, синкопальных состояний, головокружения, транзиторной глобальной амнезии, нарушений зрения и глазодвижения. Тем не менее, реальный вклад открытого овального окна в развитие неврологических нарушений остаётся предметом споров. Целью данной работы была оценка значимости открытого овального окна в развитии неврологических нарушений у взрослых и детей посредством анализа литературных данных за период с 2012 по 2022 г. В процессе изучения литературы была выявлена высокая распространённость дефекта среди пациентов с инсультом и мигренью (особенно мигренью с аурой). В то же время, данные рандомизированных клинических испытаний у пациентов с инсультом и мигренью показали избирательно высокую эффективность закрытия открытого овального окна у отдельных групп пациентов. Связь открытого овального окна с транзиторный глобальной амнезией, синкопе, головокружением подтверждалась в ограниченном числе исследований. Описаны случаи нарушений зрения и глазодвижения, связанных с наличием открытого овального окна. Таким образом, был сделан вывод о том, что открытое овальное окно — фактор риска развития неврологических нарушений лишь у определённых групп пациентов с инсультом и мигренью. Связь дефекта с развитием транзиторной глобальной амнезии, синкопе, головокружения, нарушений зрения, а также с развитием неврологической патологии у детей требует дальнейших исследований.</p></trans-abstract><kwd-group xml:lang="en"><kwd>patent foramen ovale</kwd><kwd>stroke</kwd><kwd>migraine</kwd><kwd>transient global amnesia</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>открытое овальное окно</kwd><kwd>инсульт</kwd><kwd>мигрень</kwd><kwd>транзиторная глобальная амнезия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ning MM., Lo EH, Ning P-H, Xu S-Y, McMullin D, Demirjian Z, Inglessis I, Dec GW, Palacios I, Ferdinando S, Buonanno FS. The brain's heart — Therapeutic opportunities for patent foramen ovale (PFO) and neurovascular disease. Pharmacol Ther. 2013;139(2):111–123. 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