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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">vsp</journal-id><journal-title-group><journal-title xml:lang="ru">Вопросы современной педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Current Pediatrics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-5527</issn><issn pub-type="epub">1682-5535</issn><publisher><publisher-name>Издательство «ПедиатрЪ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15690/vsp.v21i1/2385</article-id><article-id custom-type="elpub" pub-id-type="custom">vsp-2834</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>ОРИГИНАЛЬНАЯ СТАТЬЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLE</subject></subj-group></article-categories><title-group><article-title>Фосфорно-кальциевый обмен и метаболизм костной ткани у детей с дистрофической формой врожденного буллезного эпидермолиза: одномоментное исследование</article-title><trans-title-group xml:lang="en"><trans-title>Phosphorus-Calcium and Bone Metabolism in Children with Dystrophic Epidermolysis Bullosa: Cross-Sectional Study</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3306-6869</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пронина</surname><given-names>И. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Pronina</surname><given-names>Irina Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пронина Ирина Юрьевна, младший научный сотрудник отдела профилактической педиатрии центра профилактической педиатрии, врач-диетолог НМИЦ здоровья детей, врач-эндокринолог НМИЦ эндокринологии</p><p>119296, Москва, Ломоносовский пр-т, д. 2, стр. 1</p></bio><bio xml:lang="en"><p> Moscow </p></bio><email xlink:type="simple">krapchatovaiv@yandex.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/0000-0003-2252-8570</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мурашкин</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Murashkin</surname><given-names>Nikolay N.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва </p></bio><bio xml:lang="en"><p> Moscow </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/0000-0002-3056-403X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Макарова</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Makarova</surname><given-names>Svetlana G.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва </p></bio><bio xml:lang="en"><p> Moscow </p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6051-5231</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вершинина</surname><given-names>М. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Vershinina</surname><given-names>Marina G.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва </p></bio><bio xml:lang="en"><p> Moscow </p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8923-4652</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Семикина</surname><given-names>Е. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Semikina</surname><given-names>Elena L.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва </p></bio><bio xml:lang="en"><p> Moscow </p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2711-1232</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маврикиди</surname><given-names>Е. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Mavrikidi</surname><given-names>Elena F.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва </p></bio><bio xml:lang="en"><p> Moscow </p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр здоровья детей;&#13;
Национальный медицинский исследовательский центр эндокринологии</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Center of Children’s Health;&#13;
Endocrinology Research Centre</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр здоровья детей;&#13;
Первый Московский государственный медицинский университет им. И.М. Сеченова (Сеченовский Университет);&#13;
Центральная государственная медицинская академия Управления делами Президента Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Center of Children’s Health;&#13;
Sechenov First Moscow State Medical University;&#13;
Central State Medical Academy of the Administration Department of the President of Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр здоровья детей;&#13;
Московский государственный университет им. М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Center of Children’s Health;&#13;
Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр здоровья детей</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Center of Children’s Health</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>14</day><month>02</month><year>2022</year></pub-date><volume>21</volume><issue>1</issue><fpage>36</fpage><lpage>41</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пронина И.Ю., Мурашкин Н.Н., Макарова С.Г., Вершинина М.Г., Семикина Е.Л., Маврикиди Е.Ф., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Пронина И.Ю., Мурашкин Н.Н., Макарова С.Г., Вершинина М.Г., Семикина Е.Л., Маврикиди Е.Ф.</copyright-holder><copyright-holder xml:lang="en">Pronina I.Y., Murashkin N.N., Makarova S.G., Vershinina M.G., Semikina E.L., Mavrikidi E.F.</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://vsp.spr-journal.ru/jour/article/view/2834">https://vsp.spr-journal.ru/jour/article/view/2834</self-uri><abstract><sec><title>Обоснование</title><p>Обоснование. Дистрофическая форма врожденного буллезного эпидермолиза (ВБЭ) — редкое кожное заболевание, одним из осложнений которого является вторичный остеопороз. Состояние костного ремоделирования при данной патологии изучено недостаточно. Цель исследования — изучить характеристики фосфорно-кальциевого обмена и метаболизма костной ткани у детей с дистрофической формой ВБЭ.</p></sec><sec><title>Методы</title><p>Методы. В исследование включали детей с дистрофической формой ВБЭ в возрасте от 3 до 18 лет, проходивших стационарное лечение. Определяли долю детей с нарушениями фосфорно-кальциевого обмена: снижением концентрации общего кальция &lt; 2,2 ммоль/л, фосфора — &lt; 1,25 ммоль/л. Дополнительно устанавливали наличие отклонений от референсных значений концентрации 25(ОН)D, паратгормона, остеокальцина, С-концевого телопептида коллагена I типа (СТх) и активности щелочной фосфатазы.</p></sec><sec><title>Результаты</title><p>Результаты. Из 39 детей с ВБЭ (22 девочки, медиана возраста 77 (46; 136) мес) гипокальциемия выявлена у 16 (41%), гипофосфатемия — у 3 (8%). Уровень витамина D ниже оптимального (&lt; 30 нг/мл) установлен у 29 (74%) детей с ВБЭ, низкая концентрация остеокальцина — у 26 (67%), СТх — у всех больных. При этом медианное значение концентрации СТх (1,32 нг/мл) более чем вдвое превышало верхние значения референсного интервала для этого показателя (&lt; 0,573 и &lt; 0,584 нг/мл у девочек и мальчиков соответственно). Низкая концентрация паратгормона определена у 1 (3%) больного. Активность щелочной фосфатазы во всех случаях находилась в пределах значений референсного интервала.</p></sec><sec><title>Заключение</title><p>Заключение. Нарушения фосфорно-кальциевого (преимущественно кальциевого) обмена имеются у большого числа детей с дистрофической формой ВБЭ. Вместе с этим у большинства больных отмечены недостаточность витамина D, а также признаки доминирования костной резорбции (высокая концентрация СТх) над формированием костной ткани (низкая концентрация остеокальцина). В целом обнаруженные изменения биохимических показателей костного ремоделирования указывают на развитие у большинства детей с ВБЭ вторичного остеопороза.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Dystrophic epidermolysis bullosa (EB) is a rare skin disease, and secondary osteoporosis is one of its complications. The bone remodeling condition in this pathology has not been studied enough. Objective. The aim of the study is to study the characteristics of phosphorus-calcium and bone metabolism in children with dystrophic EB.</p></sec><sec><title>Methods</title><p>Methods. The study included children with dystrophic EB aged from 3 to 18 years undergoing inpatient treatment. The ratio of children with phosphorus-calcium metabolism disorders was determined: reduced concentration of total calcium &lt; 2.2 mmol/l, and phosphorus &lt; 1.25 mmol/l. Additionally, deviations from reference values for 25(OH)D, parathormone, osteocalcin, C-terminal telopeptide of type 1 collagen (CTX-I) concentrations and alkaline phosphatase activity were established.</p></sec><sec><title>Results</title><p>Results. Hypocalcemia was revealed in 16 patients (41%) and hypophosphatemia — in 3 (8%) patients out of 39 children with EB (22 girls, median age 77 (46; 136) months). Vitamin D level was lower than optimal (&lt; 30 ng/ml) in 20 (77%) children with EB, while lower osteocalcin concentration — in 26 (67%), and lower CTX-I concentration — in all patients. At the same time, the median CTX-I concentration (1.32 ng/ml) more than doubled the upper values of the reference range for this indicator (&lt; 0.573 and &lt; 0.584 ng/ml for girls and boys, respectively). The low parathormone concentration was revealed in 1 (3%) patient. The alkaline phosphatase activity was within the reference range in all cases.</p></sec><sec><title>Conclusion</title><p>Conclusion. Disorders of phosphoruscalcium (mainly calcium) metabolism are present in large number of children with dystrophic EB. Therewith, most patients have shown vitamin D deficiency, as well as signs of bone resorption dominance (high CTX-I concentration) over bone development (low osteocalcin concentration). In general, all revealed changes in the biochemical indicators of bone remodeling indicate the development of secondary osteoporosis in most children with EB.</p></sec><sec><title> </title><p> </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>кальций</kwd><kwd>фосфор</kwd><kwd>врожденный буллезный эпидермолиз</kwd><kwd>витамин D</kwd><kwd>остеокальцин</kwd><kwd>С-концевой телопептид коллагена I типа</kwd><kwd>костное ремоделирование</kwd><kwd>остеопороз</kwd></kwd-group><kwd-group xml:lang="en"><kwd>calcium</kwd><kwd>phosphorus</kwd><kwd>epidermolysis bullosa</kwd><kwd>vitamin D</kwd><kwd>osteocalcin</kwd><kwd>C-terminal telopeptide of type 1 collagen</kwd><kwd>bone remodelling</kwd><kwd>osteoporosis</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при поддержке фонда «Дети-бабочки».</funding-statement><funding-statement xml:lang="en">The research was funded by charitable foundation “BELA. 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