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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Annals of Clinical and Experimental Neurology</journal-id><journal-title-group><journal-title xml:lang="en">Annals of Clinical and Experimental Neurology</journal-title><trans-title-group xml:lang="ru"><trans-title>Анналы клинической и экспериментальной неврологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-5473</issn><issn publication-format="electronic">2409-2533</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">686</article-id><article-id pub-id-type="doi">10.25692/ACEN.2020.3.9</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Technologies</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Технологии</subject></subj-group><subj-group subj-group-type="article-type"><subject>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Electrocorticography in patients with severe traumatic brain injury</article-title><trans-title-group xml:lang="ru"><trans-title>Электрокортикография у пострадавших с тяжелой черепно-мозговой травмой</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sinkin</surname><given-names>Mikhail V.</given-names></name><name xml:lang="ru"><surname>Синкин</surname><given-names>Михаил Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mvsinkin@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Talypov</surname><given-names>Alexander E.</given-names></name><name xml:lang="ru"><surname>Талыпов</surname><given-names>Александр Эрнестович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mvsinkin@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kordonskaya</surname><given-names>Olga O.</given-names></name><name xml:lang="ru"><surname>Кордонская</surname><given-names>Ольга Олеговна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mvsinkin@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Komoltsev</surname><given-names>Ilya G.</given-names></name><name xml:lang="ru"><surname>Комольцев</surname><given-names>Илья Геральдович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mvsinkin@gmail.com</email><xref ref-type="aff" rid="aff4"/><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Solodov</surname><given-names>Alexander A.</given-names></name><name xml:lang="ru"><surname>Солодов</surname><given-names>Александр Анатольевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mvsinkin@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Grin</surname><given-names>Andrey A.</given-names></name><name xml:lang="ru"><surname>Гринь</surname><given-names>Андрей Анатольевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mvsinkin@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Krylov</surname><given-names>Vladimir V.</given-names></name><name xml:lang="ru"><surname>Крылов</surname><given-names>Владимир Викторович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>mvsinkin@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Sklifosofsky Research Institute of Emergency Care</institution></aff><aff><institution xml:lang="ru">ГБУЗ «Научно-исследовательский институт скорой помощи им. Н.В. Склифосовского Департамента здравоохранения г. Москвы»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Moscow State University of Medicine and Dentistry</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО "Московский государственный медико-стоматологический университет им. А.И.Евдокимова"</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Federal Center of Brain and Neurotechnology</institution></aff><aff><institution xml:lang="ru">ФГБУ "Федеральный центр мозга и нейротехнологий" ФМБА России</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Institute of Higher Nervous Activity and Neurophysiology</institution></aff><aff><institution xml:lang="ru">ФГБУ «Институт высшей нервной деятельности и нейрофизиологии РАН»</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Z.P.Solovyov Scientific and Practical Psychoneurological Center</institution></aff><aff><institution xml:lang="ru">ГБУЗ "Научно-практический психоневрологический центр им. З.П.Соловьева"</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-09-14" publication-format="electronic"><day>14</day><month>09</month><year>2020</year></pub-date><volume>14</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>66</fpage><lpage>76</lpage><history><date date-type="received" iso-8601-date="2020-09-14"><day>14</day><month>09</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Sinkin M.V., Talypov A.E., Kordonskaya O.O., Komoltsev I.G., Solodov A.A., Grin A.A., Krylov V.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Sinkin M.V., Talypov A.E., Kordonskaya O.O., Komoltsev I.G., Solodov A.A., Grin A.A., Krylov V.V.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Sinkin M.V., Talypov A.E., Kordonskaya O.O., Komoltsev I.G., Solodov A.A., Grin A.A., Krylov V.V.</copyright-holder><copyright-holder xml:lang="ru">Sinkin M.V., Talypov A.E., Kordonskaya O.O., Komoltsev I.G., Solodov A.A., Grin A.A., Krylov V.V.</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/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://annaly-nevrologii.com/pathID/article/view/686">https://annaly-nevrologii.com/pathID/article/view/686</self-uri><abstract xml:lang="en"><p>Introduction. The frequency of adverse outcomes in patients with severe traumatic brain injury (TBI) exceeds 25%. Epileptic seizures and vasospasm, in the absence of pathogenetic treatment, cause irreversible brain damage and thus complicate the course of severe TBI. Bedside electroencephalography (EEG) is traditionally used to diagnose these conditions. However, its low spatial resolution when recording from the scalp and a large number of artefacts that make it challenging to analyse the data.</p> <p>Materials and methods. Electrocorticography (ECoG) monitoring was performed using subdural electrodes implanted in the traumatic brain lesion during TBI surgery in 11 patients during the acute period of severe TBI. All patients were concurrently monitored using scalp EEG with subdermal needle electrodes.</p> <p>Results. Analysis of scalp recordings showed frequency disturbances and oscillation asymmetry in all patients, while sporadic epileptiform activity and rhythmic and periodic patterns were detected in 18% and 64% of subjects, respectively. Analysis of invasive EEG showed sporadic epileptiform activity in 27% of patients, while rhythmic and periodic patterns were present in 91%. Moreover, epileptiform activity was registered only by the subdural leads in 3 patients. The total percentage of subjects in whom we registered clinical and electrographic signs of convulsive and non-convulsive status epilepticus using EEG and ECoG was 55%. We found indirect EEG signs of slow-spreading cortical depolarization in one patient whose level of consciousness was coma, followed by an electrographic pattern of status epilepticus on ECoG.</p> <p>Conclusion. ECoG recording, while patients with severe TBI are in the intensive care unit, increases the diagnostic capabilities of this method, allowing electrographic seizures to be recorded more often and more accurately, but also to detect indirect signs of slow-spreading cortical depolarization using standard EEG amplifiers. Electrode implantation during TBI surgery is safe and does not significantly change the surgical approach.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение</bold>. Частота неблагоприятных исходов у пострадавших с тяжелой черепно-мозговой травмой (ЧМТ) превышает 25%. Осложняющие течение тяжелой ЧМТ эпилептические приступы и вазоспазм в отсутствие патогенетического лечения вызывают необратимое повреждение ткани мозга. Для их диагностики традиционно используют электроэнцефалографию (ЭЭГ) в режиме прикроватного мониторирования, однако её недостатком является низкое пространственное разрешение при записи с поверхности скальпа и большое количество артефактов, затрудняющих анализ данных.</p> <p><bold>Материалы и методы.</bold> Мы провели мониторирование электрокортикографии (ЭкоГ) с помощью субдуральных электродов, имплантированных во время операции по поводу ЧМТ в область травматического повреждения коры у 11 пациентов в остром периоде тяжелой ЧМТ. Одно- временно всем пострадавшим проводили регистрацию скальповой ЭЭГ субдермальными игольчатыми электродами.</p> <p><bold>Результаты.</bold> При анализе скальповой записи нарушения частоты и асимметричность колебаний были выявлены у всех больных, а спорадическая эпилептиформная активность и ритмичные и периодические паттерны — у 18% и 64% пострадавших соответственно. Анализ инвазивной ЭЭГ выявил спорадическую эпилептиформную активность у 27% пациентов, а ритмичные и периодические паттерны — у 91%, при этом у 3 пострадавших эпилептиформная активность регистрировалась исключительно по отведениям, расположенным субдурально. Суммарная доля пострадавших, у которых мы зарегистрировали клинико-электрографические признаки судорожного и бессудорожного эпилептического статуса с помощью ЭЭГ и ЭкоГ, составила 55%. У 1 пациента с угнетением степени бодрствования до комы мы зарегистрировали косвенные электрографические признаки медленно распространяющейся деполяризации коры мозга, вслед за которой возник электрографический паттерн эпилептического статуса по ЭкоГ.</p> <p><bold>Выводы.</bold> Регистрация ЭкоГ во время проведения интенсивной терапии пострадавших с тяжелой ЧМТ повышает диагностические возможности метода, позволяя не только чаще и точнее регистрировать электрографические эпилептические приступы, но и выявлять косвенные признаки медленно распространяющейся деполяризации коры мозга с помощью стандартных усилителей ЭЭГ. Имплантация электродов во время операции по поводу ЧМТ безопасна и значимо не меняет тактику оперативного вмешательства.</p></trans-abstract><kwd-group xml:lang="en"><kwd>traumatic brain injury</kwd><kwd>electroencephalography</kwd><kwd>EEG monitoring</kwd><kwd>electrocorticography</kwd><kwd>electrographic seizures</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>черепно-мозговая травма</kwd><kwd>электроэнцефалография</kwd><kwd>ЭЭГ-мониторирование</kwd><kwd>электрокортикография</kwd><kwd>электрографические эпилептические приступы</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Traumatic brain injury: time to end the silence. Lancet Neurol 2010; 9: 331. DOI: 10.1016/S1474-4422(10)70069-7. PMID: 20298955.</mixed-citation></ref><ref id="B2"><label>2.</label><citation-alternatives><mixed-citation xml:lang="en">Puras Yu.V., Talypov A.E., Krylov V.V. 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