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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Terapevticheskii arkhiv</journal-id><journal-title-group><journal-title xml:lang="en">Terapevticheskii arkhiv</journal-title><trans-title-group xml:lang="ru"><trans-title>Терапевтический архив</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0040-3660</issn><issn publication-format="electronic">2309-5342</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">50984</article-id><article-id pub-id-type="doi">10.26442/00403660.2020.10.000787</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Heart arrhythmias and conduction disorders in patients with acromegaly: the role of cardiac magnetic resonance imaging</article-title><trans-title-group xml:lang="ru"><trans-title>Нарушение ритма и проводимости сердца у больных акромегалией: роль магнитно-резонансной томографии сердца</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7328-6316</contrib-id><name-alternatives><name xml:lang="en"><surname>Melkozerov</surname><given-names>K. V.</given-names></name><name xml:lang="ru"><surname>Мелкозёров</surname><given-names>Константин Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>к.м.н., врач-кардиолог отд-ния хирургического лечения сложных нарушений ритма сердца и электрокардиостимуляции отд. кардиологии и сосудистой хирургии</p></bio><email>melkozerovkv@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9119-2447</contrib-id><name-alternatives><name xml:lang="en"><surname>Przhiyalkovskaya</surname><given-names>E. G.</given-names></name><name xml:lang="ru"><surname>Пржиялковская</surname><given-names>Елена Георгиевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>к.м.н., ст. науч. сотр. отд-ния нейроэндокринологии и остеопатий</p></bio><email>melkozerovkv@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7965-9454</contrib-id><name-alternatives><name xml:lang="en"><surname>Tarbaeva</surname><given-names>N. V.</given-names></name><name xml:lang="ru"><surname>Тарбаева</surname><given-names>Наталья Викторовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>к.м.н., зав. отд-нием компьютерной и магнитно-резонансной томографии</p></bio><email>melkozerovkv@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2320-2532</contrib-id><name-alternatives><name xml:lang="en"><surname>Almaskhanova</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Алмасханова</surname><given-names>Алина Анатольевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>аспирант</p></bio><email>melkozerovkv@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5802-3000</contrib-id><name-alternatives><name xml:lang="en"><surname>Kuklina</surname><given-names>M. D.</given-names></name><name xml:lang="ru"><surname>Куклина</surname><given-names>Мария Дмитриевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>к.м.н., зав. отд-нием функциональной диагностики</p></bio><email>melkozerovkv@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8679-2859</contrib-id><name-alternatives><name xml:lang="en"><surname>Alferova</surname><given-names>P. A.</given-names></name><name xml:lang="ru"><surname>Алфёрова</surname><given-names>Полина Андреевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>к.м.н., врач-кардиолог отд. кардиологии и сосудистой хирургии, врач функциональной диагностики отд-ния функциональной диагностики</p></bio><email>melkozerovkv@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6318-1345</contrib-id><name-alternatives><name xml:lang="en"><surname>Gomova</surname><given-names>I. S.</given-names></name><name xml:lang="ru"><surname>Гомова</surname><given-names>Ирина Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>к.м.н., врач-кардиолог отд. кардиологии и сосудистой хирургии, врач функциональной диагностики отд-ния функциональной диагностики</p></bio><email>melkozerovkv@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4917-1743</contrib-id><name-alternatives><name xml:lang="en"><surname>Belousov</surname><given-names>L. A.</given-names></name><name xml:lang="ru"><surname>Белоусов</surname><given-names>Леонид Александрович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>врач-кардиолог отд. хирургического лечения сложных нарушений ритма сердца и электрокардиостимуляции отд. кардиологии и сосудистой хирургии</p></bio><email>melkozerovkv@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6674-6441</contrib-id><name-alternatives><name xml:lang="en"><surname>Belaya</surname><given-names>Z. E.</given-names></name><name xml:lang="ru"><surname>Белая</surname><given-names>Жанна Евгеньевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д.м.н., гл. науч. сотр., зав. отд-нием нейроэндокринологии и остеопатий</p></bio><email>melkozerovkv@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3074-6930</contrib-id><name-alternatives><name xml:lang="en"><surname>Vorontsov</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Воронцов</surname><given-names>Александр Валерьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д.м.н., проф., зав. отд. лучевой диагностики</p></bio><email>melkozerovkv@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5573-0754</contrib-id><name-alternatives><name xml:lang="en"><surname>Kalashnikov</surname><given-names>V. Y.</given-names></name><name xml:lang="ru"><surname>Калашников</surname><given-names>Виктор Юрьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>чл.-кор. РАН, д.м.н., проф., зав. отд. кардиологии и сосудистой хирургии</p></bio><email>melkozerovkv@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Endocrinology Research Centre</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский центр эндокринологии» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-10-15" publication-format="electronic"><day>15</day><month>10</month><year>2020</year></pub-date><volume>92</volume><issue>10</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>70</fpage><lpage>77</lpage><history><date date-type="received" iso-8601-date="2020-11-23"><day>23</day><month>11</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-11-23"><day>23</day><month>11</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ter-arkhiv.ru/0040-3660/article/view/50984">https://ter-arkhiv.ru/0040-3660/article/view/50984</self-uri><abstract xml:lang="en"><p>Cardiovascular complications including arrhythmias and cardiac conduction disorders are one of the main reasons of high mortality rate in acromegaly, while they have not been well explored.</p> <p><bold>Aim. </bold>To estimate arrhythmias frequency in acromegaly, identify risk factors leading to the development of arrhythmia and cardiac conduction disorder, to determine the role of cardiac MRI in detecting structural and functional changes.</p> <p><bold>Materials and methods. </bold>A single-center prospective cohort study, which included 461 patients (151 men and 310 women) with acromegaly, was conducted. All the patients underwent a standard medical examination, including hormonal blood test, electrocardiogram, echocardiography, electrocardiogram daily monitoring. 18 patients with arrhythmias (11 men and 7 women) had cardiac MRI with gadolinium-based contrast.</p> <p><bold>Results. </bold>The results of our research show high frequency of arrhythmias and cardiac conduction disorders in patients with acromegaly – 42%. Most frequent kinds of arrhythmias and cardiac conduction disorders were sinus bradycardia – 19.1% of the cases and conduction disorders of bundle branch blocks – 14.5%. Men were more likely to suffer from arrhythmias and cardiac conduction disorders than women (54.2% and 37.4%, respectively, <italic>p</italic>=0.0005). Not acromegaly activity but duration of the disease was a main risk factor of arrhythmias and cardiac conduction disorders. Patients with arrhythmias had a long anamnesis of acromegaly (10 and 7 years, respectively, p=0.04). Meanwhile, cardiac conduction disorders were commonly observed in the patients who were treated with somatostatin analogs comparing to the patients who didn’t undergo this therapy (50% and 38.6% respectively, <italic>p</italic>=0.004). We showed that 61% of patients with acromegaly and cardiac conduction disorders who underwent magnetic resonance imaging (MRI) had the signs of myocardial fibrosis. The value of the ejection fraction of the left ventricle according to MRI was higher than with echocardiography (<italic>p</italic>=0.04).</p> <p><bold>Conclusion. </bold>Arrhythmias and cardiac conduction disorders are often observed in patients with acromegaly even with remission of the disease. High risk group need careful diagnostic and monitoring approaches. Cardiac MRI is the «gold» standard for visualization of structural and morphological changes in the heart. Use of cardiac MRI in acromegalic patients expands our understanding of arrhythmias and cardiac conduction disorders in this disease. There are no specific laboratory markers of diffuse myocardial fibrosis, and the role of myocardial fibrosis in the occurrence of cardiac arrhythmias and conduction disorders needs further studying.</p></abstract><trans-abstract xml:lang="ru"><p>Сердечно-сосудистые осложнения, включая нарушение ритма и проводимости сердца (НРПС), являются одной из основных причин высокой летальности при акромегалии, однако в настоящее время недостаточно изучены.</p> <p><bold>Цель.</bold> Оценить частоту аритмий у пациентов с акромегалией, выявить факторы риска, способствующие развитию НРПС, определить роль магнитно-резонансной томографии (МРТ) сердца в выявлении структурных и функциональных изменений.</p> <p><bold>Материалы и методы. </bold>Проведено одноцентровое проспективное когортное исследование, в которое включен 461 пациент (151 мужчина и 310 женщин) с акромегалией. Всем пациентам проведено стандартное медицинское обследование, включающее гормональное исследование крови, регистрацию электрокардиограммы (ЭКГ), эхокардиографию, холтеровское мониторирование ЭКГ. МРТ сердца с контрастированием гадолинием выполнено 18 пациентам с НРПС (11 мужчин и 7 женщин).</p> <p><bold>Результаты.</bold> Результаты нашего исследования демонстрируют высокую встречаемость НРПС среди пациентов с акромегалией – 42%. Наиболее частыми видами являлись синусовая брадикардия – 19,1% случаев, а также нарушения проводимости по ножкам пучка Гиса – 14,5%. Мужчины чаще страдали НРПС, чем женщины (54,2 и 37,4% соответственно, <italic>р</italic>=0,0005). Мы показали, что развитие НРПС зависит, в первую очередь, от длительности акромегалии, в то время как активность заболевания не оказывает значимого влияния. Анамнез акромегалии у пациентов с НРПС и без них составил 10 и 7 лет соответственно (<italic>p</italic>=0,04). Кроме того, важным фактором риска оказалась терапия аналогами соматостатина. Доля пациентов, получающих данный вид лечения, составила 50% с НРПС и 38,6% среди пациентов без НРПС (<italic>р</italic>=0,004). Мы продемонстрировали, что 61% пациентов с акромегалией и НРПС, которым провели МРТ сердца, имели признаки фиброза миокарда. При этом значение фракции выброса левого желудочка по данным МРТ оказалось статистически выше, чем при эхокардиографии (<italic>p</italic>=0,04).</p> <p><bold>Заключение. </bold>НРПС часто встречаются у пациентов с акромегалией, несмотря на достижение ремиссии заболевания. Группа высокого риска требует более тщательной диагностики и мониторинга. МРТ сердца является «золотым стандартом» визуализации структурно-морфологических изменений сердца. Проведение МРТ сердца у пациентов с акромегалий расширяет наше представление о развитии НРПС при данном заболевании. В настоящее время отсутствуют специфические лабораторные маркеры диффузного миокардиального фиброза, а его роль в возникновении нарушений ритма и проводимости сердца требует дальнейшего изучения.</p></trans-abstract><kwd-group xml:lang="en"><kwd>acromegaly</kwd><kwd>heart arrhythmia and conduction disorder</kwd><kwd>cardiac magnetic resonance imaging</kwd><kwd>acromegalic cardiomyopathy</kwd><kwd>myocardial fibrosis</kwd><kwd>myocardial hypertrophy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>акромегалия</kwd><kwd>нарушение ритма и проводимости сердца</kwd><kwd>магнитно-резонансная томография сердца</kwd><kwd>акромегалическая кардиомиопатия</kwd><kwd>миокардиальный фиброз</kwd><kwd>гипертрофия миокарда</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Дедов И.И., Молитвословова Н.Н., Рожинская Л.Я., Мельниченко ГА. 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