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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="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">goslasmed</journal-id><journal-title-group><journal-title xml:lang="ru">Лазерная медицина</journal-title><trans-title-group xml:lang="en"><trans-title>Laser Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2071-8004</issn><issn pub-type="epub">2686-8644</issn><publisher><publisher-name>Skobelkin Centre for Laser Medicine - a branch of the Federal Clinical Center for High Medical Technologies, FMBA of Russia</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37895/2071-8004-2022-26-3-4-47-55</article-id><article-id custom-type="elpub" pub-id-type="custom">goslasmed-804</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="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCHES</subject></subj-group></article-categories><title-group><article-title>Физическое моделирование для оценки воздействия микроимпульсных режимов лазерного излучения на хориоретинальный комплекс человеческого глаза на основе теории активированного комплекса</article-title><trans-title-group xml:lang="en"><trans-title>Physical modelling to assess the effect of micropulse modes of laser radiation at the chorioretinal complex of the human eye based on the theory of activated complex</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9044-3400</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванова Елена Владимировна – кандидат медицинских наук, врач-офтальмолог отделения лазерной хирургии сетчатки</p><p>Москва</p></bio><bio xml:lang="en"><p>Ivanova Elena – Cand. Sc. (Med.), Ophthalmologist at the Department of Laser Retinal Surgery</p><p>Moscow</p></bio><email xlink:type="simple">elena-mntk@yandex.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/0000-0003-1460-9960</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Володин</surname><given-names>П. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Volodin</surname><given-names>P. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Володин Павел Львович – доктор медицинских наук, заведующий отделом лазерной хирургии сетчатки</p><p>Москва</p></bio><bio xml:lang="en"><p>Volodin Pavel – Dr. Sc. (Med.), Head of the Department of Laser Retinal Surgery</p><p>Moscow</p></bio><email xlink:type="simple">volodinpl@mntk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГАУ «НМИЦ «МНТК «Микрохирургия глаза» им. акад. С.Н. Федорова» Минздрава России<country>Россия</country></aff><aff xml:lang="en">S. Fyodorov Eye Microsurgery Federal State Institution<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>26</day><month>03</month><year>2023</year></pub-date><volume>26</volume><issue>3-4</issue><fpage>47</fpage><lpage>55</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Иванова Е.В., Володин П.Л., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Иванова Е.В., Володин П.Л.</copyright-holder><copyright-holder xml:lang="en">Ivanova E.V., Volodin P.L.</copyright-holder><license 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://goslasmed.elpub.ru/jour/article/view/804">https://goslasmed.elpub.ru/jour/article/view/804</self-uri><abstract><p>Цель: построить физическую модель на основе теории активированного комплекса (ТАК) с показателями ΔH и ΔS из работ Г. И. Желтова и соавторов для оценки степени воздействия микроимпульсных режимов лазерного излучения на хориоретинальный комплекс (ХРК), провести сравнение с моделями на основе интеграла Аррениуса и результатами тестирования микроимпульсного режима по данным аутофлюоресценции.Материал и методы. Моделирование степени повреждения ХРК и прилежащих структур проводили с помощью уравнения Эйринга. Показатели ΔH = 360 000 Дж/моль и ΔS = 890 Дж/моль·град для комплекса белков и других органических структур РПЭ были определены Г. И. Желтовым с соавторами in vivo в серии лазерных экспериментов на приматах. Для моделирования применяли коэффициент поглощения 460 см–1, для длины волны 577 нм слоем РПЭ толщиной 10 мкм и пропускания 37 %. Тестирование микроимпульсного режима (50 мкс, 2,4 %, 10 мс, 100 мкм, 0,4–1,9 Вт) было проведено на навигационном лазере Navilas 577s у пациентов в возрасте 35–46 лет с 2–3-м типом внешности по шкале Фитцпатрика и оценено по данным коротковолновой аутофлюоресценции (488 нм).Результаты. Построена физическая модель на основе ТАК с применением интеграла Эйринга. Результаты моделирования степени повреждения РПЭ от мощности совпадают с результатами тестирования микроимпульсного режима на пациентах по данным аутофлюоресценции. Уточнен средний коэффициент поглощения РПЭ равный 440 см–1 для пациентов возраста 35–46 лет и 2–3-м типом внешности по шкале Фитцпатрика.Заключение. Компьютерное моделирование на основе ТАК с применением уравнения Эйринга с ΔH и ΔS для комплекса белков и других органических структур РПЭ, полученными в работах Г. И. Желтова, показало высокое соответствие с результатами тестирования микроимпульсного режима на реальных пациентах. Моделирование не требует подгонки каких-либо свободных параметров, в отличие от подходов, основанных на использовании уравнения Аррениуса, позволяет определять коэффициенты поглощения для узкой выборки пациентов и оценивать уровень повреждения РПЭ и прилежащих структур лазерным излучением.</p></abstract><trans-abstract xml:lang="en"><sec><title>Purpose</title><p>Purpose: to construct a physical model based on the theory of activated complex (TAC) with indicators ΔH and ΔS mentioned in works of G.I. Zheltov and his colleagues so as to assess the impact of laser radiation micropulse modes at the chorioretinal complex (CRC), as well as to compare it with models based on the Arrhenius integral and with results of micropulse mode testing using autofluorescence method.Material and methods. Modeling of the degree of damage to CRC and adjacent structures was carried out using Eyring equation. Values of ΔH = 360 000 J/mol and ΔS = 890 J/mol·deg for complex of proteins and other RPE organic structures were determined by G.I. Zheltov and co-authors in vivo in a series of laser experiments on primates. For modeling, absorption coefficient of 460 cm–1 was used, for wavelength 577 nm – 10-micron-thick RPE layer and transmission 37 %. Micropulse mode testing (50 μs, 2.4 %, 10 ms, 100 mkm, 0.4–1.9 W) was performed using Navilas 577s navigation laser in patients aged 35–46 with appearance of types 2–3 by the Fitzpatrick scale; results of this testing were assessed using short-wave autofluorescence (488 nm) method.Results. A physical model based on TAC and Eyring integral was constructed. Results of modeling of the degree of RPE injury depending on power coincide with the results of testing of micropulse mode in patients according to autofluorescence method. The average RPE absorption coefficient equal to 440 cm–1 for patients aged 35–46 years and with appearance of type 2–3 by the Fitzpatrick scale was clarified.</p></sec><sec><title>Conclusion</title><p>Conclusion. The computer modeling based on TAC using the Eyring equation with ΔH and ΔS for a complex of proteins and other RPE organic structures, which are described in works of G.I. Zheltov and his co-authors, has shown a high degree of compliance with the results of micro-pulse mode testing in real patients. Modeling does not require adjustment of any free parameters unlike approaches based on the Arrhenius equation; it also allows to find absorption coefficients for a small sample of patients and to assess the level of laser radiation damage to RPE and adjacent structures.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>микроимпульс</kwd><kwd>хориоретинальный комплекс</kwd><kwd>компьютерное моделирование</kwd><kwd>лазер</kwd><kwd>уравнение Аррениуса</kwd><kwd>уравнение Эйринга</kwd></kwd-group><kwd-group xml:lang="en"><kwd>micropulse</kwd><kwd>chorioretinal complex</kwd><kwd>computer modelling</kwd><kwd>laser</kwd><kwd>Arrhenius equation</kwd><kwd>Eyring equation</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">Желтов Г.И. Воздействие интенсивного оптического излучения на ткани глаз: исследования и приложения: диссертация ... д-ра мед. наук. 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