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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">rentrad</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник рентгенологии и радиологии</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of radiology and nuclear medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0042-4676</issn><issn pub-type="epub">2619-0478</issn><publisher><publisher-name>Limited Liability Company "LUCHEVAYA DIAGNOSTIKA", Russian Association of Radiologists</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20862/0042-4676-2014-0-6-39-46</article-id><article-id custom-type="elpub" pub-id-type="custom">rentrad-57</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>Статьи</subject></subj-group></article-categories><title-group><article-title>КОЛИЧЕСТВЕННАЯ ОЦЕНКА ГЕМОДИНАМИЧЕСКОЙ ЗНАЧИМОСТИ ПОГРАНИЧНЫХ СТЕНОЗОВ КОРОНАРНЫХ АРТЕРИЙ МЕТОДОМ ОДНОФОТОННОЙ ЭМИССИОННОЙ КОМПЬЮТЕРНОЙ ТОМОГРАФИИ МИОКАРДА С КОРРЕКЦИЕЙ ПОГЛОЩЕНИЯ ИЗЛУЧЕНИЯ В СРАВНЕНИИ С ФРАКЦИОННЫМ РЕЗЕРВОМ КРОВОТОКА</article-title><trans-title-group xml:lang="en"><trans-title>QUANTITATIVE ASSESSMENT OF THE HEMODYNAMIC RELEVANCE OF BORDERLINE CORONARY STENOSES BY MYOCARDIAL SINGLE-PHOTON EMISSION COMPUTED TOMOGRAPHY WITH RADIATION ABSORPTION CORRECTION VERSUS FRACTIONAL FLOW RESERVE</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соломяный</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Solomyanyy</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач-радиолог</p><p>ул. 3-я Черепковская, 15а, Москва, 121552</p></bio><bio xml:lang="en"><p>Radiologist</p><p>ul. Tret’ya Cherepkovskaya, 15a, Moscow, 121552</p></bio><email xlink:type="simple">solo2882@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сергиенко</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sergienko</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д. м. н., ст. науч. сотр. отдела проблем атеросклероза</p><p>ул. 3-я Черепковская, 15а, Москва, 121552</p></bio><bio xml:lang="en"><p>MD, PhD, DSc, Senior Research Associate of Department of Atherosclerosis Problems</p><p>ul. Tret’ya Cherepkovskaya, 15a, Moscow, 121552</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самко</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Samko</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д. м. н., профессор, руководитель отдела рентгеноэндоваскулярных методов диагностики и лечения</p><p>ул. 3-я Черепковская, 15а, Москва, 121552</p></bio><bio xml:lang="en"><p>MD, PhD, DSc, Professor, Head of Department of Endovascular Diagnosis and Treatment </p><p>ul. Tret’ya Cherepkovskaya, 15a, Moscow, 121552</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Российский кардиологический научно-производственный комплекс» Министерства здравоохранения РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Cardiology Research-and-Production Complex, Ministry of Health of the RF</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>02</day><month>03</month><year>2016</year></pub-date><volume>0</volume><issue>6</issue><fpage>39</fpage><lpage>46</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Соломяный В.В., Сергиенко И.В., Самко А.Н., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Соломяный В.В., Сергиенко И.В., Самко А.Н.</copyright-holder><copyright-holder xml:lang="en">Solomyanyy V.V., Sergienko I.V., Samko A.N.</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.russianradiology.ru/jour/article/view/57">https://www.russianradiology.ru/jour/article/view/57</self-uri><abstract><p>Цель исследования – изучить возможность использования метода однофотонной эмиссионной компьютерной томографии/компьютерной томографии (ОЭКТ/КТ) с коррекцией поглощения излучения (КПИ) миокарда для оценки гемодинамической значимости пограничных стенозов коронарных артерий в сопоставлении с фракционным резервом кровотока (ФРК) у больных ишемической болезнью сердца (ИБС).</p><sec><title>Материал и методы</title><p>Материал и методы. В исследование включены 70 пациентов (50 мужчин, 20 женщин), средний возраст которых составил 57±5 лет, с верифицированным на основании клинических и инструментальных данных диагнозом ИБС. По данным коронароангиографии у них были выявлены стенозы коронарных артерий от 50 до 70%, с оценкой ФРК, далее всем пациентам была выполнена ОЭКТ/КТ с использованием двухдневного протокола покой/нагрузка (велоэргометр), общая активность введённого радиофармпрепарата составляла от 370 до 900 МБк 99mТс-МИБИ в зависимости от массы тела.</p></sec><sec><title>Результаты</title><p>Результаты. По стандартной 17-сегментной схеме был рассчитан показатель SDS. Пограничный стеноз КА считался гемодинамически значимым при значении SDS≥4 в одном из 17 сегментов, соответствующем одной из основных коронарных артерий, который мы сравнили с ФРК. Показано, что при SDS≥4 чувствительность и специфичность ОЭКТ/КТ составляет 96,7 и 90,6% соответственно.</p></sec><sec><title>Заключение</title><p>Заключение. Количественный анализ пограничных стенозов с помощью ОЭКТ/КТ с КПИ увеличивает специфичность и чувствительность в оценке функциональной значимости пограничных стенозов коронарных артерий. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective: to study whether myocardial single-photon emission computed tomography (SPECT)/CT with radiation absorption correction (RAC) versus fractional flow reserve (FFR) may be used to assess the hemodynamic relevance of borderline coronary stenosis in patients with coronary heart disease (CHD).</p></sec><sec><title>Material and methods</title><p>Material and methods. The investigation enrolled 70 patients (50 men and 20 women; mean age 57±5 years) diagnosed as having CHD verified by clinical instrumental studies, in whom coronary angiography (CA) estimating FFR revealed 50 to 70% coronary stenosis; then all the patients underwent SPECT/CT using a two-day rest/ exercise (bicycle ergometer) protocol; the total injected radiotracer activity was 370–900 MBq 99mTc-MIBI depending on body weight.</p></sec><sec><title>Results</title><p>Results. A standard 17-segment scheme was employed to calculate the SDS index, borderline stenosis detected by CA was considered hemodynamically significant at SDS≥4 in one of the 17 segments, which corresponded to one of the major coronary artery, which was compared by the authors with FFR. At SDS≥4, the sensitivity and specificity of SPECT/CT were shown to be 96.7 and 90.6%, respectively.</p></sec><sec><title>Conclusion</title><p>Conclusion. Quantitative analysis of borderline stenosis by SPECT/CT with RAC increases its specificity and sensitivity in estimating the functional significance of borderline coronary stenosis.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ишемическая болезнь сердца</kwd><kwd>пограничный стеноз коронарных артерий</kwd><kwd>однофотонная эмиссионная компьютерная томография</kwd><kwd>коррекция поглощения излучения</kwd><kwd>фракционный резерв кровотока</kwd><kwd>количественные параметры оценки перфузии миокарда</kwd></kwd-group><kwd-group xml:lang="en"><kwd>coronary heart disease</kwd><kwd>borderline coronary stenosis</kwd><kwd>single-photon emission computed tomography</kwd><kwd>radiation absorption correction</kwd><kwd>fractional flow reserve</kwd><kwd>quantitative myocardial perfusion parameters</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">Чазов Е.И. 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