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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">cardiovascular</journal-id><journal-title-group><journal-title xml:lang="ru">Кардиоваскулярная терапия и профилактика</journal-title><trans-title-group xml:lang="en"><trans-title>Cardiovascular Therapy and Prevention</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1728-8800</issn><issn pub-type="epub">2619-0125</issn><publisher><publisher-name>«SILICEA-POLIGRAF» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15829/1728-8800-2021-2786</article-id><article-id custom-type="elpub" pub-id-type="custom">cardiovascular-2786</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 И РЕГИСТРЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL TRIALS AND REGISTRIES</subject></subj-group></article-categories><title-group><article-title>Наблюдательные исследования и регистры. Их качество и роль в современной доказательной медицине</article-title><trans-title-group xml:lang="en"><trans-title>Observational studies and registers. Their quality and role in modern evidence-based medicine</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7717-4362</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Марцевич</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Martsevich</surname><given-names>S. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Юрьевич Марцевич — доктор медицинских наук, профессор, руководитель отдела профилактической фармакотерапиию.</p><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6395-2584</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кутишенко</surname><given-names>Н. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kutishenko</surname><given-names>N. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Петровна Кутишенко — доктор медицинских наук, ведущий научный сотрудник лаборатории фармакоэпидемиологических исследований отдела профилактической фармакотерапии.</p><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">nkutishenko@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8252-3099</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лукина</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lukina</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлия Владимировна Лукина — кандидат медицинских наук, ведущий научный сотрудник лаборатории фармакоэпидемиологических исследований отдела профилактической фармакотерапии.</p><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">yuvlu@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5784-4525</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лукьянов</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Lukyanov</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Михаил Михайлович Лукьянов — кандидат медицинских наук, руководитель отдела клинической кардиологии.</p><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">loukmed@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4453-8430</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Драпкина</surname><given-names>О. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Drapkina</surname><given-names>O. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Оксана Михайловна Драпкина — доктор медицинских наук, профессор, член-корр. РАН, директор.</p><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">odrapkina@gnicpm.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ Национальный медицинский исследовательский центр терапии и профилактической медицины Минздрава России</institution></aff><aff xml:lang="en"><institution>National Medical Research Center for Therapy and Preventive Medicine</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБУ "НМИЦ ТПМ"</institution></aff><aff xml:lang="en"><institution>National Medical Research Center for Therapy and Preventive Medicine</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>28</day><month>03</month><year>2021</year></pub-date><volume>20</volume><issue>2</issue><fpage>2786</fpage><lpage>2786</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Марцевич С.Ю., Кутишенко Н.П., Лукина Ю.В., Лукьянов М.М., Драпкина О.М., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Марцевич С.Ю., Кутишенко Н.П., Лукина Ю.В., Лукьянов М.М., Драпкина О.М.</copyright-holder><copyright-holder xml:lang="en">Martsevich S.Y., Kutishenko N.P., Lukina Y.V., Lukyanov M.M., Drapkina O.M.</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://cardiovascular.elpub.ru/jour/article/view/2786">https://cardiovascular.elpub.ru/jour/article/view/2786</self-uri><abstract><p>В статье описываются основные правила проведения наблюдательных исследований, в частности, регистров. Обсуждаются принципы оценки качества этих исследований и его влияния на полученные результаты. Сравнивается возможность оценки лечебного эффекта и побочных действий в рандомизированных контролируемых исследованиях и в наблюдательных исследованиях. Приводятся примеры сопоставления различной эффективности действия одного и того же препарата, выявленной в рандомизированных контролируемых исследованиях и в наблюдательных исследованиях.</p></abstract><trans-abstract xml:lang="en"><p>The article describes the basic rules for conducting observational studies, in particular, registers. The principles of the assessment of its quality and impact on the results are discussed. The potential for evaluating therapeutic effect and side effects in randomized controlled trials (RCTs) and observational studies is compared. Effects of one drug identified in RCTs and observational studies are compared.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>наблюдательные исследования</kwd><kwd>регистры</kwd><kwd>оценка качества</kwd><kwd>рандомизированные контролируемые исследования</kwd><kwd>оценка действия лечебных вмешательств</kwd></kwd-group><kwd-group xml:lang="en"><kwd>observational studies</kwd><kwd>registers</kwd><kwd>quality assessment</kwd><kwd>randomized controlled trials</kwd><kwd>assessment of therapeutic effect</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">Harris M, Taylor G, Jackson D. Clinical evidence made easy. Banbury. 2014;1-212.</mixed-citation><mixed-citation xml:lang="en">Harris M, Taylor G, Jackson D. Clinical evidence made easy. 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