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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">perinatology</journal-id><journal-title-group><journal-title xml:lang="ru">Российский вестник перинатологии и педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1027-4065</issn><issn pub-type="epub">2500-2228</issn><publisher><publisher-name>Ltd. “The National Academy of Pediatric Science and Innovation”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21508/1027-4065-2023-68-1-56-66</article-id><article-id custom-type="elpub" pub-id-type="custom">perinatology-1776</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Особенности продольной деформации левого желудочка у детей в возрасте от 1 года до 5 лет, родившихся с низкой, очень низкой и экстремально низкой массой тела</article-title><trans-title-group xml:lang="en"><trans-title>Features of left ventricle longitudinal strain in children from one to five years old, born with low, very low, and extremely low body weight</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3081-9477</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Павлюкова</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Pavlyukova</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Павлюкова Елена Николаевна — д.м.н., проф., зав. отделением атеросклероза и хронической ишемической болезни сердца</p><p>634012 Томск, ул. Киевская, д. 111А</p></bio><bio xml:lang="en"><p>Tomsk</p></bio><email xlink:type="simple">pavluk@cardio-tomsk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5550-5925</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колосова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolosova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Колосова Марина Владимировна — д.м.н., проф. кафедры педиатрии с курсом эндокринологии</p><p>634002 Томск, Московский тракт, д. 2</p></bio><bio xml:lang="en"><p>Tomsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7556-9379</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Неклюдова</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Neklyudova</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Неклюдова Галина Владимировна — асп.</p><p>634012 Томск, ул. Киевская, д. 111А</p></bio><bio xml:lang="en"><p>Tomsk</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/0000-0002-7011-4316</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карпов</surname><given-names>Р. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Karpov</surname><given-names>R. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карпов Ростислав Сергеевич — д.м.н., акад. РАН, науч. рук.</p><p>634012 Томск, ул. Киевская, д. 111А</p></bio><bio xml:lang="en"><p>Tomsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт кардиологии ФГБНУ «Томский национальный исследовательский медицинский центр РАН»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Medical Center of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Сибирский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>01</day><month>03</month><year>2023</year></pub-date><volume>68</volume><issue>1</issue><fpage>56</fpage><lpage>66</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ltd. “The National Academy of Pediatric Science and Innovation”, 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><copyright-holder xml:lang="en">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><license xlink:href="https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.ped-perinatology.ru/jour/article/view/1776">https://www.ped-perinatology.ru/jour/article/view/1776</self-uri><abstract><p>Цель исследования. Изучить деформацию в продольном направлении эндокардиального, среднего и эпикардиального слоев левого желудочка у детей в возрасте от одного года до пяти лет, рожденных с низкой, очень низкой и экстремально низкой массой тела.Материалы и методы. Исследование выполнено у 204 детей в возрасте от одного года до пяти лет; из них 53 ребенка, преждевременно рожденных на поздних сроках беременности, 103 ребенка, рожденных глубоконедоношенными, и 48 детей, рожденных здоровыми и доношенными. Деформация эндокардиального, среднего и эпикардиального слоев в продольном направлении оценена в режиме офлайн с применением технологии «след пятна» (Speckle Tracking Imaging-2D Strain).Результаты. Нарушения трансмурального градиента деформации стенки левого желудочка выявлены у 11,32% детей, рожденных с низкой массой тела, и у 16,5% детей, рожденных глубоконедоношенными. Снижение сегментарной деформации левого желудочка зарегистрировано у 33,96% детей, преждевременно рожденных на поздних сроках беременности, и у 18,44% детей, рожденных глубоконедоношенными. У детей-сверстников, рожденных здоровыми и доношенными, нарушения трансмурального градиента стенки и сегментарное снижение деформации левого желудочка не отмечены. У детей, преждевременно рожденных на поздних сроках беременности, нарушение трансмурального градиента деформации стенки левого желудочка и снижение сегментарной деформации в продольном направлении не связаны с ремоделированием левого желудочка. Заключение. Развитие сердечно-сосудистой системы у детей раннего и дошкольного возраста, рожденных преждевременно с низкой, очень низкой и экстремально низкой массой тела, характеризуется нарушениями трансмурального градиента деформации стенки и сегментарной деформации левого желудочка, обусловленными процессами постнатального роста и развития детского сердца, что требует наблюдения в амбулаторно-поликлинических условиях в период детства – детского кардиолога и педиатра, а во взрослом возрасте — кардиолога и терапевта.</p></abstract><trans-abstract xml:lang="en"><p>Purpose. The study assessed left ventricle longitudinal strain of the endocardial, middle, and epicardial layers in children from one to five years old, born with low, very low, and extremely low body weight.Material and methods. The study was performed in 204 children aged from one to five years; of these, 53 children were prematurely born late in pregnancy, 103 children were born very preterm, and 48 children were born healthy and full-term. The left ventricle longitudinal strain of the endocardial, middle, and epicardial layers was assessed off-line using the Speckle Tracking Imaging-2D Strain technology.Results. Disturbance of the transmural gradient strain of left ventricle wall were detected in 11.32% of prematurely born late in pregnancy children and in 16.5% of very preterm children. A decrease of left ventricle segments strain was registered in 33.96% of children prematurely born late in pregnancy and in 18.44% very preterm children. In children of the same age, born healthy and full-term, transmural wall gradient disturbances and decrease of strain in left ventricle segments were not observed. In children prematurely born late in pregnancy, the disturbance of the transmural strain gradient of left ventricle and the decrease of strain in left ventricle segments are not associated with left ventricle remodeling.Conclusion. The development of the cardiovascular system in children of early and preschool age, born prematurely with low, very low, and extremely low body weight, is characterized by disturbances in the transmural strain gradient of left ventricle wall, due to the processes of postnatal growth and development of the child’s heart, which requires monitoring on an outpatient basis in polyclinic in childhood — by a pediatric cardiologist and a pediatrician, and in adulthood — by a cardiologist and therapist.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дети</kwd><kwd>низкая масса тела при рождении</kwd><kwd>очень низкая масса тела при рождении</kwd><kwd>экстремально низкая масса тела при рождении</kwd><kwd>Speckle Tracking Imaging-2D Strain</kwd><kwd>деформация левого желудочка</kwd><kwd>трансмуральный градиент деформации</kwd><kwd>сегментарная деформация левого желудочка в продольном направлении</kwd></kwd-group><kwd-group xml:lang="en"><kwd>children</kwd><kwd>low birth weight</kwd><kwd>very low birth weight</kwd><kwd>extremely low birth weight</kwd><kwd>Speckle Tracking Imaging-2D Strain</kwd><kwd>deformation of the left ventricle</kwd><kwd>transmural deformation gradient</kwd><kwd>segmental left ventricular longitudinal strain</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Представленная публикация выполнена в соответствии с планом НИИ кардиологии Томского НИМЦ по фундаментальной теме «Фундаментальные аспекты формирования структурно-функциональных изменений сердца и сосудов в разных возрастных группах на доклинической, клинической стадиях и после гемодинамической коррекции сердечно-сосудистых заболеваний».</funding-statement><funding-statement xml:lang="en">The presented publication was carried out in accordance with the plan of the Research Institute of Cardiology of the Tomsk NIMC on the fundamental topic “Fundamental aspects of the formation of structural and functional changes of the heart and blood vessels in different age groups at preclinical, clinical stages and after hemodynamic correction of cardiovascular diseases”.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Blencowe H., Cousens S., Chou D., Oestergaard M., Say L., Moller A. 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