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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">medvis</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская визуализация</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Visualization</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-0763</issn><issn pub-type="epub">2408-9516</issn><publisher><publisher-name>RDS-Media Ltd.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24835/1607-0763-1506</article-id><article-id custom-type="elpub" pub-id-type="custom">medvis-1506</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>ГОЛОВА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HEAD</subject></subj-group></article-categories><title-group><article-title>Оценка и сравнительный анализ параметров перфузионной ОФЭКТ головного мозга у ликвидаторов последствий аварии на Чернобыльской АЭС с дисциркуляторной энцефалопатией в отдаленном периоде после облучения</article-title><trans-title-group xml:lang="en"><trans-title>Assessment and Comparison Analysis of Cerebral Perfusion SPECT Parameters in Liquidators of the Chernobyl Accident Suffering from Dyscirculatory Encephalopathy Long After Exposure to Radiation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-1763-5031</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куликова</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulikova</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Куликова Татьяна Анатольевна – канд. мед. наук, заведующая терапевтическим отделением клиники ядерной медицины ФГБУ “Российский научный центр рентгенорадиологии” Минздрава России, Москва. <ext-link xlink:href="https://orcid.org/0009-0005-1763-5031" ext-link-type="uri">https://orcid.org/0009-0005-1763-5031</ext-link>E-mail: tkulikova61@gmail.com</p></bio><bio xml:lang="en"><p>Tatyana A. Kulikova – Cand. of Sci. (Med.), Head of the therapeutic department of the Nuclear Medicine Clinic, Russian Scientific Center of Roentgenoradiology of the Ministry of Healthcare of the Russian Federation, Moscow.<ext-link xlink:href="https://orcid.org/0009-0005-1763-5031" ext-link-type="uri">https://orcid.org/0009-0005-1763-5031</ext-link>E-mail: tkulikova61@gmail.com</p></bio><email xlink:type="simple">tkulikova61@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6139-5833</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мешков</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Meshkov</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мешков Николай Алексеевич – академик РАЕН, доктор мед. наук, профессор, главный научный сотрудник лаборатории лучевой терапии и комплексных методов лечения онкологических заболеваний НИО комплексной диагностики заболеваний и радиотерапии ФГБУ “Российский научный центр рентгенорадиологии” Минздрава России, Москва. <ext-link xlink:href="http://orcid.org/0000-0001-6139-5833" ext-link-type="uri">http://orcid.org/0000-0001-6139-5833</ext-link></p></bio><bio xml:lang="en"><p>Nikolay A. Meshkov – Academician of the Russian Academy of Natural Sciences, Doct. of Sci. (Med.), Professor, Chief Researcher of the Laboratory of Radiation Therapy and Complex Methods for the Treatment of Oncological Diseases, Russian Scientific Center of Roentgenoradiology of the Ministry of Healthcare of the Russian Federation, Moscow. <ext-link xlink:href="http://orcid.org/0000-0001-6139-5833" ext-link-type="uri">http://orcid.org/0000-0001-6139-5833</ext-link></p></bio><email xlink:type="simple">professor12@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/0000-0002-1641-6452</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Солодкий</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Solodkiy</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Солодкий Владимир Алексеевич – академик РАН, доктор мед. наук, профессор, директор ФГБУ “Российский научный центр рентгенорадиологии” Минздрава России, Москва.  <ext-link xlink:href="https://orcid.org/0000-0002-1641-6452" ext-link-type="uri">https://orcid.org/0000-0002-1641-6452</ext-link></p></bio><bio xml:lang="en"><p>Vladimir A. Solodkiy – Academician of the Russian Academy of Sciences, Doct. of Sci. (Med.), Professor, Director of the Russian Scientific Center of Roentgenoradiology of the Ministry of Healthcare of the Russian Federation, Moscow.<ext-link xlink:href="https://orcid.org/0000-0002-1641-6452" ext-link-type="uri">https://orcid.org/0000-0002-1641-6452</ext-link></p></bio><email xlink:type="simple">mailbox@rncrr.rssi.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/0000-0002-7316-3519</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фомин</surname><given-names>Д. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Fomin</surname><given-names>D. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фомин Дмитрий Кириллович – доктор мед. наук, профессор РАН, заведующий клиникой ядерной медицины ФГБУ “Российский научный центр рентгенорадиологии” Минздрава России, Москва. <ext-link xlink:href="https://orcid.org/0000-0002-7316-3519" ext-link-type="uri">https://orcid.org/0000-0002-7316-3519</ext-link></p></bio><bio xml:lang="en"><p>Dmitry K. Fomin – Doct. of Sci. (Med.), Professor of the Russian Academy of Sciences, Head of the Nuclear Medicine Clinic, Russian Scientific Center of Roentgenoradiology of the Ministry of Healthcare of the Russian Federation, Moscow. <ext-link xlink:href="https://orcid.org/0000-0002-7316-3519" ext-link-type="uri">https://orcid.org/0000-0002-7316-3519</ext-link></p></bio><email xlink:type="simple">dkfomin@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/0009-0003-7809-0130</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Борисова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Борисова Ольга Анатольевна – канд. мед. наук, заведующая отделением радионуклидной диагностики клиники ядерной медицины ФГБУ “Российский научный центр рентгенорадиологии” Минздрава России, Москва.  <ext-link xlink:href="https://orcid.org/009-0003-7809-0130" ext-link-type="uri">https://orcid.org/009-0003-7809-0130</ext-link></p></bio><bio xml:lang="en"><p>Olga A. Borisova – Cand. of Sci. (Med.), Head of the Department of Radionuclide Diagnostics of the Nuclear Medicine Clinic, Russian Scientific Center of Roentgenoradiology of the Ministry of Healthcare of the Russian Federation, Moscow. <ext-link xlink:href="https://orcid.org/009-0003-7809-0130" ext-link-type="uri">https://orcid.org/009-0003-7809-0130</ext-link></p></bio><email xlink:type="simple">mihanikborisov@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5994-0468</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нуднов</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nudnov</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нуднов Николай Васильевич – доктор мед. наук, профессор, заместитель директора по научной работе ФГБУ “Российский научный центр рентгенорадиологии” Минздрава России, Москва. <ext-link xlink:href="https://orcid.org/0000-0001-5994-0468" ext-link-type="uri">https://orcid.org/0000-0001-5994-0468</ext-link></p></bio><bio xml:lang="en"><p>Nikolay V. Nudnov – Doct. of Sci. (Med.), Professor, Deputy Director for Scientific Work of Russian Scientific Center of Roentgenoradiology of the Ministry of Healthcare of the Russian Federation, Moscow. https://orcid.org/0000-0001-5994-0468</p></bio><email xlink:type="simple">nudnov@rncrr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБУ “Российский научный центр рентгенорадиологии” Минздрава России; 117997 Москва, ул. Профсоюзная, д. 86, Российская Федерация<country>Россия</country></aff><aff xml:lang="en">Russian Scientific Center of Roentgenoradiology of the Ministry of Healthcare of the Russian Federation; 86, Profsoyusnaya str., Moscow 117997, Russian Federation<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>04</day><month>11</month><year>2024</year></pub-date><volume>28</volume><issue>4</issue><fpage>11</fpage><lpage>25</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Куликова Т.А., Мешков Н.А., Солодкий В.А., Фомин Д.К., Борисова О.А., Нуднов Н.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Куликова Т.А., Мешков Н.А., Солодкий В.А., Фомин Д.К., Борисова О.А., Нуднов Н.В.</copyright-holder><copyright-holder xml:lang="en">Kulikova T.A., Meshkov N.A., Solodkiy V.A., Fomin D.K., Borisova O.A., Nudnov N.V.</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://medvis.vidar.ru/jour/article/view/1506">https://medvis.vidar.ru/jour/article/view/1506</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования: сравнительный анализ параметров ОФЭКТ-перфузии головного мозга у ликвидаторов последствий аварии (ЛПА) на Чернобыльской АЭС с дисциркуляторной энцефалопатией (ДЭП) в отдаленном периоде, выбор показателей для мониторинга их состояния и оценки эффективности лечения.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Выполнено ОФЭКТ-исследование головного мозга у ЛПА на ЧАЭС и необлученных пациентов с ДЭП. Обследовано 147 пациентов мужского пола, в том числе 93 (возраст 69,38 (6,42) года) – основная группа и 54 пациента (70,70 (7,25)) – группа сравнения (ГС). Различий по возрасту не установлено (p = 0,347). Исследование проводилось на ОФЭКТ-КТ-системе General Electric, Healthcare Discovery NM/CT 670 Pro. Сцинтиграфия головного мозга выполнялась с использованием 99mTc-теоксим (Россия). Для визуализации мозговой перфузии использовалась нагрузка диакарбом (ацетазоламидом). Сравнивались 22 параметра ОФЭКТ.</p></sec><sec><title>Результаты</title><p>Результаты. Время артериального притока в передней и задней проекции в обеих группах увеличилось после нагрузки диакарбом у ЛПА на 8,37% (p = 0,138) и 6,62% (p = 0,213), в ГС на 15,38% (p = 0,035) и 13,63% (p = 0,037). Регионарный мозговой кровоток (рМК) в правом и левом полушариях у ЛПА ниже возрастной нормы (p = 0,001 и p &lt; 0,001), а также чем рМК в лобных, височных, теменных и затылочных долях головного мозга у здоровых людей сопоставимого возраста (p &lt; 0,001). Средние значения цереброваскулярного резерва (ЦВР) в обеих группах меньше нижней границы диапазона нормы – 31–75%. Соответствие этому диапазону выявлено только в ГС: у 2,94% от числа обследованных в височной и затылочной долях правого полушария и 8,82% – в затылочной доле левого полушария. ЦВР у ЛПА ниже, чем в ГС: в лобных долях обоих полушарий на 14,19 и 14,08%, в височной доле левого полушария – на 16,31%, но выше в затылочных долях на 29,07 и 12,06%. У ЛПА обнаружена отрицательная связь рМК и ЦВР с возрастом, а также ЦВР с дозой облучения (p &lt; 0,05).</p></sec><sec><title>Заключение</title><p>Заключение. ОФЭКТ является перспективным методом выявления ДЭП у ЛПА и лиц, подвергшихся воздействию радиации, предупреждения осложнений и оценки эффективности лечения. Критерием может служить снижение рМК и ЦВР в лобной и лобно-височной областях головного мозга.</p></sec></abstract><trans-abstract xml:lang="en"><p>The purpose of the study is to perform comparative analysis of cerebral perfusion SPECT parameters found in liquidators of the Chernobyl accident suffering from dyscirculatory encephalopathy (DEP) long after exposure to radiation and to identify indicators for monitoring their physical condition and assess treatment effectiveness.</p><sec><title>Materials and methods</title><p>Materials and methods. We used cerebral single-photon emission computed tomography (SPECT) to examine a group of liquidators of the Chernobyl accident (LCA) and a group of patients who had not been exposed to radiation, all of them suffering from dyscirculatory encephalopathy (DEP). We examined a total of 147 men, including 93 LCAs aged 69.38 (6.42) (the study group) and 54 patients aged 70.70 (7.25) (the comparison group). No differences by age were identified (p = 0.347). The study was performed using General Electric Healthcare Discovery NM/CT 670 Pro. Cerebral scintigraphy was performed using Russian-made Theoxym, 99mTc. Cerebral perfusion imaging was carried out with the help of diacarb (acetazolamide). We compared a total of 22 SPECT parameters.</p></sec><sec><title>Results</title><p>Results. Arterial inflow time in the frontal and back views in both groups increased after taking diacarb by 8.37% (p = 0.138) and 6.62% (p = 0.213) in LCAs and by 15.38% (p = 0.035) and 13.63% (p = 0.037) in the comparison group. Regional cerebral blood flow (rCBF) in the right and left brain hemispheres of LCAs was below the age norm (p = 0.001 and p &lt; 0.001), as well as below the rCBF in the frontal, temporal, parietal, and occipital lobes of the brain in healthy subjects of comparable age (p &lt; 0.001). Average cerebrovascular reserve (CVR) in both groups was lower than the lower end of the normal range (31–75%). Only some of the patients from the comparison group fell within this range: 2.94% of those examined – in the temporal and occipital lobes of the right hemisphere and 8.82% – in the occipital lobe of the left hemisphere. CVR was lower in LCAs than in the comparison group by 14.19 and 14.08% in the frontal lobes of both hemispheres and by 16.31% in the temporal lobe of the left hemisphere; in the occipital lobes, however, it was higher by 29.07 and 12.06%. We found a negative correlation between rCBF and CVR and LCAs’ age, as well as between CVR and radiation dose (p &lt; 0.05).</p></sec><sec><title>Conclusion</title><p>Conclusion. SPECT is a promising method of detecting DEP in LCAs and other patients who have been exposed to radiation, as well as of preventing health complications and assessing treatment effectiveness. A decrease in rCBF and CVR in the frontal and frontotemporal areas of the brain may serve as the criterion for DEP detection.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ликвидаторы последствий аварии на ЧАЭС</kwd><kwd>дисциркуляторная энцефалопатия</kwd><kwd>ОФЭКТ перфузии головного мозга</kwd><kwd>регионарный мозговой кровоток</kwd><kwd>цереброваскулярный резерв</kwd></kwd-group><kwd-group xml:lang="en"><kwd>liquidators of the Chernobyl accident</kwd><kwd>dyscirculatory encephalopathy</kwd><kwd>cerebral perfusion SPECT</kwd><kwd>regional cerebral blood flow</kwd><kwd>cerebrovascular reserve</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Авторы заявляют об отсутствии внешних источников финансирования при проведении исследования</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">Гулевская Т.С., Ануфриев П.Л., Танашян М.М. 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