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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">605</article-id><article-id pub-id-type="doi">10.25692/ACEN.2019.3.7</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">Navigated TMS mapping using the grid-based algorithm to evaluate the reorganization of cortical muscle representation in amyotrophic lateral sclerosis</article-title><trans-title-group xml:lang="ru"><trans-title>Навигационное ТМС-картирование с сеточным алгоритмом в оценке реорганизации корковых представительств мышц при боковом амиотрофическом склерозе</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0716-3737</contrib-id><name-alternatives><name xml:lang="en"><surname>Bakulin</surname><given-names>Ilya S.</given-names></name><name xml:lang="ru"><surname>Бакулин</surname><given-names>Илья Сергеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), researcher, Department of neurorehabilitation and physiotherapy</p></bio><bio xml:lang="ru"><p>к.м.н., н.с. отд. нейрореабилитации и физиотерапии</p></bio><email>bakulin@neurology.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sinitsyn</surname><given-names>Dmitry O.</given-names></name><name xml:lang="ru"><surname>Синицын</surname><given-names>Дмитрий Олегович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bakulin@neurology.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Poydasheva</surname><given-names>Alexandra G.</given-names></name><name xml:lang="ru"><surname>Пойдашева</surname><given-names>Александра Георгиевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bakulin@neurology.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chernyavskiy</surname><given-names>Andrey Yu.</given-names></name><name xml:lang="ru"><surname>Чернявский</surname><given-names>Андрей Юрьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bakulin@neurology.ru</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>Suponeva</surname><given-names>Natalia A.</given-names></name><name xml:lang="ru"><surname>Супонева</surname><given-names>Наталья Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bakulin@neurology.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zakharova</surname><given-names>Maria N.</given-names></name><name xml:lang="ru"><surname>Захарова</surname><given-names>Мария Николаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bakulin@neurology.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Piradov</surname><given-names>Mikhail A.</given-names></name><name xml:lang="ru"><surname>Пирадов</surname><given-names>Михаил Александрович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bakulin@neurology.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Research Center of Neurology</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Научный центр неврологии»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">K.A. Valiev Institute of Physics and Technology of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">ФГБУН «Физико-технологический институт имени К.А. Валиева» Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-08-06" publication-format="electronic"><day>06</day><month>08</month><year>2019</year></pub-date><volume>13</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>55</fpage><lpage>62</lpage><history><date date-type="received" iso-8601-date="2019-09-01"><day>01</day><month>09</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Bakulin I.S., Sinitsyn D.O., Poydasheva A.G., Chernyavskiy A.Y., Suponeva N.A., Zakharova M.N., Piradov M.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Bakulin I.S., Sinitsyn D.O., Poydasheva A.G., Chernyavskiy A.Y., Suponeva N.A., Zakharova M.N., Piradov M.A.</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Bakulin I.S., Sinitsyn D.O., Poydasheva A.G., Chernyavskiy A.Y., Suponeva N.A., Zakharova M.N., Piradov M.A.</copyright-holder><copyright-holder xml:lang="ru">Bakulin I.S., Sinitsyn D.O., Poydasheva A.G., Chernyavskiy A.Y., Suponeva N.A., Zakharova M.N., Piradov M.A.</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/605">https://annaly-nevrologii.com/pathID/article/view/605</self-uri><abstract xml:lang="en"><p><bold>Introduction. </bold>Motor cortex mapping using navigated transcranial magnetic stimulation (TMS) is a promising method for assessing motor cortex reorganization in amyotrophic lateral sclerosis (ALS). The use of the grid-based algorithm allows the mapping protocol to be standardized and can help to reduce the variability of the assessed parameters.</p> <p><bold>Study</bold> <bold>aim</bold> — to analyse the reorganization features of the cortical representations of hand muscles in patients with classical ALS using navigated TMS mapping with a grid-based algorithm.</p> <p><bold>Materials and methods. </bold>The study included 14 patients with classical ALS and 9 healthy volunteers. Navigated TMS mapping of the cortical representations of the right abductor pollicis brevis (APB) muscle was performed using a predetermined grid (7×7 square cells) centred around a ‘hot spot’. Five stimuli with an intensity of 110% of the individual resting motor threshold (RMT) were randomly applied to each cell. The RMT and area of cortical representation of the APB muscle were analysed, amplitude or probability weighted.</p> <p><bold>Results. </bold>Patients with ALS showed a statistically significant decrease in the weighted amplitude of the area of cortical representations of the APB muscle compared with healthy volunteers. The RMT, area and weighted probability area of the cortical representations of the APB muscle did not differ significantly between the groups. A statistically significant correlation between RMT and severity of dysfunction and upper motor neuron damage was found in patients with ALS, based on the clinical data. There were no statistically significant correlations between cortical representation parameters and the clinical symptoms in patients with ALS.</p> <p><bold>Conclusion. </bold>Navigated TMS mapping of the motor cortex with a grid-based algorithm in patients with ALS revealed a decrease in the weighted amplitude of the cortical representation area of the APB muscle. It is important to clarify the role of navigated TMS mapping with the proposed algorithm in the diagnosis, prognosis and monitoring of ALS.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение. </bold>Картирование моторной коры с применением навигационной транскраниальной магнитной стимуляции (ТМС) является перспективным методом оценки реорганизации моторной коры при боковом амиотрофическом склерозе (БАС). Использование сеточного алгоритма позволяет стандартизировать протокол картирования и может способствовать уменьшению вариабельности определяемых показателей.</p> <p><bold>Цель </bold>исследования — проанализировать особенности реорганизации корковых представительств мышцы кисти у пациентов с классическим БАС по данным навигационного ТМС-картирования с использованием сеточного алгоритма.</p> <p><bold>Материалы и методы. </bold>В исследование включены 14 пациентов с классическим БАС и 9 здоровых добровольцев. Навигационное ТМС-картирование корковых представительств правой <italic>m. abductor pollicis brevis</italic> (APB) проводили с использованием заранее заданной сетки (7×7 квадратных ячеек), центрированной относительно «горячей точки. В каждую ячейку в случайном порядке предъявляли 5 стимулов с интенсивностью 110% от индивидуального пассивного моторного порога (ПМП). Анализировали ПМП и площадь корковых представительств APB, взвешенную амплитудой или вероятностью.</p> <p><bold>Результаты. </bold>У пациентов с БАС выявлено статистически значимое уменьшение взвешенной амплитудой площади корковых представительств APB по сравнению со здоровыми добровольцами. ПМП, площадь и взвешенная вероятностью площадь корковых представительств APB статистически значимо не различались между группами. У пациентов с БАС выявлена статистически значимая корреляция ПМП с выраженностью нарушений функций и тяжестью поражения верхнего мотонейрона по клиническим данным. Статистически значимых корреляционных связей между показателями корковых представительств и клиническими признаками у пациентов с БАС не выявлено.</p> <p><bold>Заключение. </bold>При навигационном ТМС-картировании моторной коры с сеточным алгоритмом у пациентов с БАС выявляется уменьшение взвешенной амплитудой площади корковых представительств APB. Необходимо уточнение роли навигационного ТМС-картирования с предложенным алгоритмом в диагностике, прогнозировании и мониторинге течения БАС.</p></trans-abstract><kwd-group xml:lang="en"><kwd>transcranial magnetic stimulation</kwd><kwd>motor cortex mapping</kwd><kwd>cortical muscle representation</kwd><kwd>motor cortex excitability</kwd><kwd>biomarkers</kwd><kwd>amyotrophic lateral sclerosis</kwd><kwd>motor neurone disease.</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>транскраниальная магнитная стимуляция</kwd><kwd>картирование моторной коры</kwd><kwd>корковые представительства мышц</kwd><kwd>возбудимость моторной коры</kwd><kwd>биомаркеры</kwd><kwd>боковой амиотрофический склероз</kwd><kwd>болезнь мотонейрона.</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Phillips C.G., Porter R. Corticospinal Neurones: Their Role in Movement. 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