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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">nnp</journal-id><journal-title-group><journal-title xml:lang="en">Neurology, Neuropsychiatry, Psychosomatics</journal-title><trans-title-group xml:lang="ru"><trans-title>Неврология, нейропсихиатрия, психосоматика</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2074-2711</issn><issn pub-type="epub">2310-1342</issn><publisher><publisher-name>"IMA-Press", LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14412/2074-2711-2024-5-30-37</article-id><article-id custom-type="elpub" pub-id-type="custom">nnp-2368</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 INVESTIGATIONS</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ И МЕТОДИКИ</subject></subj-group></article-categories><title-group><article-title>Humoral serotonin and neuropsychological status of patients with dizziness</article-title><trans-title-group xml:lang="ru"><trans-title>Гуморальный серотонин и нейропсихологический статус пациентов с головокружением</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3986-4354</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бородулина</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Borodulina</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Игоревна Бородулина - Кафедра неврологии и медицинской генетики, кафедра оториноларингологии.</p><p>614990, Пермь, ул. Петропавловская, 26</p></bio><bio xml:lang="en"><p>Irina Igorevna Borodulina - Department of Neurology and Medical Genetics, Department of Otorhinolaryngology.</p><p>26, Petropavlovskaya St., Perm 614990</p></bio><email xlink:type="simple">borodulina35@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7536-2060</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каракулова</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Karakulova</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кафедра неврологии и медицинской генетики.</p><p>614990, Пермь, ул. Петропавловская, 26</p></bio><bio xml:lang="en"><p>Department of Neurology and Medical Genetics.</p><p>26, Petropavlovskaya St., Perm 614990</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Пермский государственный медицинский университет им. акад. Е.А. Вагнера» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Perm State Medical University named after Academician E.A. Wagner, Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>19</day><month>10</month><year>2024</year></pub-date><volume>16</volume><issue>5</issue><fpage>30</fpage><lpage>37</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Borodulina I.I., Karakulova Y.V., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Бородулина И.И., Каракулова Ю.В.</copyright-holder><copyright-holder xml:lang="en">Borodulina I.I., Karakulova Y.V.</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://nnp.ima-press.net/nnp/article/view/2368">https://nnp.ima-press.net/nnp/article/view/2368</self-uri><abstract><p>Dizziness is often accompanied by affective disorders such as anxiety and depression, in the occurrence of which the role of the serotonergic system is discussed.</p><sec><title>Objective</title><p>Objective: to investigate the serotonin content in blood serum and neuropsychological status in patients with vestibular and non-vestibular dizziness.</p></sec><sec><title>Material and methods</title><p>Material and methods. The study included 97 patients. Two observation groups were formed according to the type of dizziness complaints. The first group (n=47) comprised patients with vestibular (systemic) dizziness against a background of peripheral vestibulopathy, the second group (n=35) comprised patients with non-vestibular (non-systemic) dizziness with a diagnosis of probable persistent postural-perceptual dizziness (PPPD). The control group (n=15) consisted of patients without complaints of dizziness. Neurological and otoneurological status, psychoemotional parameters (level of anxiety and depression) and cognitive functions were analyzed, and the quantitative level of serotonin in blood serum was determined by enzyme immunoassay.</p></sec><sec><title>Results</title><p>Results. The study revealed a significant decrease in the serum serotonin levels in vestibular and non-vestibular dizziness; a lower serotonin level was found in non-vestibular dizziness (p&lt;0.05). The presence of affective disorders did not correlate with a decrease in serotonin levels in vestibular dizziness against a background of peripheral vestibulopathy. It is assumed that a decrease in serotonin content plays a role in pathogenesis of vestibular dizziness on the background of peripheral part of vestibular system involvement.</p></sec><sec><title>Conclusion</title><p>Conclusion. We demonstrated possibility of using the level of serotonin in peripheral blood as an objective laboratory marker of vestibular and non-vestibular dizziness in general clinical medical practice.</p></sec></abstract><trans-abstract xml:lang="ru"><p>Головокружению часто сопутствуют аффективные расстройства в виде тревоги и депрессии, роль серотонинергической системыв возникновении которых обсуждается.</p><p>Цель исследования – оценить содержание серотонина в сыворотке крови и нейропсихологический статус пациентов с вестибулярным и невестибулярным головокружением.</p><sec><title>Материал и методы</title><p>Материал и методы. В исследование включено 97 пациентов. В зависимости от характера жалоб на головокружение сформированы две группы наблюдения. В первую группу (n=47) вошли пациенты с вестибулярным (системным) головокружением на фоне периферической вестибулопатии, во вторую группу (n=35) – пациенты с невестибулярным (несистемным) головокружением с диагнозом вероятного персистирующего постурально-перцептивного головокружения (ПППГ). Контрольную группу (n=15) составили пациенты без жалоб на головокружение. Проведен анализ неврологического и отоневрологического статуса, параметров психоэмоциональной сферы (уровень тревоги и депрессии), когнитивных функций, определено количественное содержание серотонина в сыворотке крови методом иммуноферментного анализа.</p></sec><sec><title>Результаты</title><p>Результаты. В исследовании выявлено значимое снижение содержания серотонина в сыворотке крови при вестибулярном и невестибулярном головокружении; более низкий уровень серотонина отмечен при невестибулярном головокружении (р&lt;0,05). Наличие аффективных расстройств не коррелировало со снижением уровня серотонина в сыворотке крови при вестибулярном головокружении на фоне периферической вестибулопатии. Предполагается роль снижения содержания серотонина в механизме возникновения вестибулярного головокружения при патологии периферического отдела вестибулярной системы.</p></sec><sec><title>Заключение</title><p>Заключение. Показана возможность использования уровня серотонина периферической крови как объективного лабораторного маркера вестибулярного и невестибулярного головокружения в общеклинической врачебной практике.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>головокружение</kwd><kwd>нейромедиаторы</kwd><kwd>серотонин</kwd><kwd>тревога</kwd><kwd>депрессия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>dizziness</kwd><kwd>neurotransmitter</kwd><kwd>serotonin</kwd><kwd>anxiety</kwd><kwd>depression</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование не имело спонсорской поддержки</funding-statement><funding-statement xml:lang="en">The investigation has not been sponsored</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Ross A, Leemeyer AR, Bruintjes TD, et al. 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