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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">cardiotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский журнал клинической и экспериментальной медицины</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian Journal of Clinical and Experimental Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2713-2927</issn><issn pub-type="epub">2713-265X</issn><publisher><publisher-name>TSU publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29001/2073-8552-2021-36-4-47-56</article-id><article-id custom-type="elpub" pub-id-type="custom">cardiotomsk-1354</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>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Аспекты лучевой диагностики раннего вазогенного отека в зонах гиперперфузии венозного ишемического инсульта</article-title><trans-title-group xml:lang="en"><trans-title>Imaging of early vasogenic edema in hyperperfusion zones of venous ischemic stroke</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1827-606X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Семенов</surname><given-names>С. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Semenov</surname><given-names>S. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р мед. наук, ведущий научный сотрудник, лаборатория лучевых методов диагностики;</p><p>врач-рентгенолог, отделение лучевой диагностики, </p><p>650002, Кемерово, Сосновый бульвар, 6</p></bio><bio xml:lang="en"><p>Dr. Sci. (Med.), Leading Research Scientist, Laboratory of Diagnostic Radiology,</p><p>6, Sosnoviy blvd., Kemerovo, 650002</p></bio><email xlink:type="simple">dr_semenov_s@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute for Complex Issues of Cardiovascular Diseases</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>07</day><month>04</month><year>2022</year></pub-date><volume>37</volume><issue>1</issue><fpage>47</fpage><lpage>56</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Семенов С.Е., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Семенов С.Е.</copyright-holder><copyright-holder xml:lang="en">Semenov S.E.</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://www.sibjcem.ru/jour/article/view/1354">https://www.sibjcem.ru/jour/article/view/1354</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования: изучение особенностей отека мозгового вещества в случаях венозного ишемического инсульта (ВИ) при церебральном венозном синустромбозе (ЦВСТ).</p></sec><sec><title>Материал и методы</title><p>Материал и методы. В исследование включены 33 пациента с ВИ в результате ЦВСТ. Группу сравнения составили 33 пациента с артериальным ишемическим инсультом (АИ), контрольную группу (КГ) – 33 человека. Нейровизуализация включала нативную компьютерную томографию (КТ) головного мозга при поступлении и на 5–7-е сут, перфузионную компьютерную томографию (ПКТ) (МСКТ 64) в первые 40 мин поступления в стационар, магнитно-резонансную томографию (МРТ) головного мозга (1,5T) в первые 24–48 ч заболевания.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Выявлена связь между ранним развитием межклеточного отека, по данным диффузионной МРТ, с инверсией сигнала на диффузионно-взвешенном изображении – DWI (снижение в перифокальной зоне на фоне высокого сигнала цитотоксического отека) и повышением сигнала со средней верхней границей диапазона измеряемого (истинного) коэффициента диффузии – ADC (0,82 ± 0,05)*10-3 мм2 /с, отличной только от центральной зоны, а также умеренным полнокровием перифокальных зон (с увеличением объема кровотока – rCBV и скорости кровотока – rCBF на 27–28%), по данным ПКТ. Эти явления должны являться неблагоприятными факторами развития отека и вероятного кровоизлияния (в 27% случаев при ВИ против 9% при АИ), но сопровождались более благоприятным клиническим исходом ВИ (улучшение в 66% случаев, с полным регрессом неврологического дефицита в 25% случаев против 57% без полного регресса симптоматики при АИ) с меньшей частотой развития некроза/инфаркта (в 50% случаев против ¾ части случаев АИ). Значимая корреляционная связь между показателями площади поражения и относительными значениями КТ-перфузии и МР-диффузии (r = 0,44; р &lt; 0,05) позволяет предположить, что ранний вазогенный отек и гиперемия являются элементами одного патофизиологического механизма развития церебральной венозной ишемии, имеющей в отличие от артериальной ишемии вторичный характер, связанный с механической артериальной вазоконстрикцией из-за межклеточного отека.</p></sec><sec><title>Заключение</title><p>Заключение. Вероятно, вазогенный отек в большинстве случаев ВИ, развиваясь почти одновременно с цитотоксическим, не достигает пика патологических изменений, останавливается в развитии на этапе ионного с функциональным нарушением проницаемости анатомически сохранного гематоэнцефалического барьера, когда может иметь обратное развитие. Прогрессирующее развитие вазогенного отека является фактором углубления ишемии до некроза/инфаркта и вторичной геморрагической трансформации. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. The aim of the study was to investigate the features of cerebral edema in cases of venous ischemic stroke with cerebral venous sinus thrombosis.</p></sec><sec><title>Material and Methods</title><p>Material and Methods. The study included 33 patients with venous stroke as a result of cerebral venous sinus thrombosis. Comparison group comprised 33 patients with arterial ischemic stroke. The control group included 33 individuals. Neuroimaging included native computed tomography (CT) of the brain at admission and at days 5–7, perfusion CT (MSCT 64) within the first 40 minutes of admission to the hospital, and magnetic resonance imaging (MRI) of the brain (1.5T) within the first 24–48 hours of the disease.</p></sec><sec><title>Results and Discussion</title><p>Results and Discussion. The relationships were found between the early intercellular edema development according to diffusion MRI and a signal inversion on diffusion-weighted imaging (DWI) (a decrease in the perifocal zone against the background of a high signal of cytotoxic edema), an increase in the signal with the average upper limit of apparent diffusion coefficient (ADC) range (0.82 ± 0.05) * 10-3 mm2 /s differing only from the central zone, and moderate plethora of perifocal zones (with an increase in rCBV and rCBF by 27–28%) according to perfusion CT. These phenomena could be unfavorable factors for the development of edema and probable hemorrhage (in 27% of cases in venous stroke versus 9% in arterial stroke), but were accompanied by a more favorable clinical outcome of venous stroke (improvement in 66% of cases with a complete regression of neurological deficit in 25% versus 57% without complete regression of symptoms in arterial) with a lower incidence of necrosis/infarction (in 50% of cases versus ¾ of cases of ischemic stroke). The presence of a significant correlation between the parameters of lesion area and the relative values of CT-based perfusion and MRI-based diffusion (r = 0.44; p &lt; 0.05) suggested that the early vasogenic edema and hyperemia were the elements of a pathophysiological mechanism for the development of cerebral venous ischemia, which, unlike arterial ischemia, is secondary in nature, associated with mechanical arterial vasoconstriction due to intercellular edema.</p></sec><sec><title>Conclusion</title><p>Conclusion. Probably, vasogenic edema in most cases of venous stroke, developing almost simultaneously with cytotoxic edema, does not reach the peak of pathological changes and stop in development at the stage of ionic edema with a functional impairment of permeability of the anatomically intact blood-brain barrier when it can reverse. The progressive development of vasogenic edema is a factor for the deepening of ischemia to necrosis/infarction and secondary hemorrhagic transformation. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>венозный инсульт</kwd><kwd>вазогенный отек</kwd><kwd>гиперперфузия</kwd><kwd>магнитно-резонансная томография</kwd><kwd>диффузионно-взвешенное изображение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>venous stroke</kwd><kwd>vasogenic edema</kwd><kwd>hyperperfusion</kwd><kwd>MRI</kwd><kwd>DWI</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">Walecki J., Mruk B., Nawrocka-Laskus E., Piliszek A., Przelaskowski A., Sklinda K. Neuroimaging of cerebral venous thrombosis (CVT) – old dilemma and the new diagnostic methods. Pol. J. Radiol. 2015;80:368– 373. 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