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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 custom-type="elpub" pub-id-type="custom">medvis-181</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>СЕРДЦЕ И СОСУДЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HEART AND VESSELS</subject></subj-group></article-categories><title-group><article-title>Внутрисосудистые ультразвуковые исследования у пациентов с пограничными поражениями ствола левой коронарной артерии по данным ангиографии</article-title><trans-title-group xml:lang="en"><trans-title>Intravascular Ultrasound in Patients with Intermediate Left Main Coronary Artery Lesions According to Angiography</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>Кузнецов</surname><given-names>Вадим Анатольевич</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsov</surname><given-names>Vadim Anatolievich</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Ярославская</surname><given-names>Елена Ильинична</given-names></name><name name-style="western" xml:lang="en"><surname>Yaroslavskaya</surname><given-names>Elena Ilyinichna</given-names></name></name-alternatives><email xlink:type="simple">yaroslavskayae@gmail.com</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>Зырянов</surname><given-names>Игорь Павлович</given-names></name><name name-style="western" xml:lang="en"><surname>Ziryanov</surname><given-names>Igor Pavlovich</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Бессонов</surname><given-names>Иван Сергеевич</given-names></name><name name-style="western" xml:lang="en"><surname>Bessonov</surname><given-names>Ivan Sergeevich</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Сапожников</surname><given-names>Станислав Сталикович</given-names></name><name name-style="western" xml:lang="en"><surname>Sapoznikov</surname><given-names>Stanislav Stalikovich</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Горбатенко</surname><given-names>Елена Александровна</given-names></name><name name-style="western" xml:lang="en"><surname>Gorbatenko</surname><given-names>Elena Aleksandrovna</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ “Научно-исследовательский институт кардиологии”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FSBSI “Research Institute of Cardiology”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>28</day><month>02</month><year>2015</year></pub-date><volume>0</volume><issue>1</issue><fpage>48</fpage><lpage>53</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузнецов В.А., Ярославская Е.И., Зырянов И.П., Бессонов И.С., Сапожников С.С., Горбатенко Е.А., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Кузнецов В.А., Ярославская Е.И., Зырянов И.П., Бессонов И.С., Сапожников С.С., Горбатенко Е.А.</copyright-holder><copyright-holder xml:lang="en">Kuznetsov V.A., Yaroslavskaya E.I., Ziryanov I.P., Bessonov I.S., Sapoznikov S.S., Gorbatenko E.A.</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://medvis.rdsmedia.ru/jour/article/view/181">https://medvis.rdsmedia.ru/jour/article/view/181</self-uri><abstract><p>Согласно действующим рекомендациям, показанием к реваскуляризации ствола левой коронарной артерии (ЛКА) является стенозирование 50% его просвета и более по данным коронарной ангиографии (КАГ). Однако ограничения КАГ в оценке поражений ствола ЛКА известны. Цель исследования: сравнить результаты КАГ и внутрисосудистого ультразвукового исследования (ВСУЗИ) у пациентов с ангиографически незначимыми поражениями (&lt;50% просвета) ствола ЛКА. Материал и методы. ВСУЗИ было выполнено 8 пациентам со стенозами &lt;50% ствола ЛКА по данным КАГ. Оценивали меру согласия результатов КАГ и ВСУЗИ, рассчитав каппа-коэффициент. Результаты. Значение каппа-коэффициента составило 0,6 (ДИ-0,072 - 1,272; р = 0,064), что свидетельствует об отсутствии достоверной согласованности результатов КАГ и ВСУЗИ в определении показаний к реваскуляризации пограничных стенозов ствола ЛКА. Заключение. В условиях отечественной практики принимать решение о необходимости реваскуляризации пограничных по данным КАГ стенозов ствола ЛКА следует только по результатам ВСУЗИ.</p></abstract><trans-abstract xml:lang="en"><p>According to the current guidelines the left main disease with stenosis &gt;50% by coronary angiography (CAG) is the indication for revascularization. However, the limitations of CAG in estimation of left main coronary artery lesions are well known. Purpose. To compare the results of CAG and intravascular ultrasound (IVUS) in patients with angiographically intermediate left main coronary artery lesions (&lt;50%). Material and methods. IVUS was performed in 8 patients with left main coronary artery stenoses &lt;50% by CAG. The measure of agreement of IVUS and CAG was assessed by Cohen's kappa coefficient. Results. The value of Cohen's kappa coefficient was 0.6 (CI -0.072 - 1.272; p = 0.064), which is showing that the results of IVUS and CAG has no agreement in making decision about surgery of left main coronary artery intermediate lesions. Conclusion. In patients with intermediate left main coronary artery lesions decision about coronary stenting should be made only on IVUS data.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ствол левой коронарной артерии</kwd><kwd>незначимые стенозы</kwd><kwd>внутрисосудистый ультразвук</kwd><kwd>left main coronary artery</kwd><kwd>intermediate stenosis</kwd><kwd>intravascular ultrasound</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">Lindstaedt M., Spiecker M., Perings C. et al. How good are experienced interventional cardiologists at predicting the functional significance of intermediate or equivocal left main coronary artery stenoses? 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