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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">radhyd</journal-id><journal-title-group><journal-title xml:lang="ru">Радиационная гигиена</journal-title><trans-title-group xml:lang="en"><trans-title>Radiatsionnaya Gygiena = Radiation Hygiene</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-426X</issn><issn pub-type="epub">2409-9082</issn><publisher><publisher-name>NIIRG</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21514/1998-426X-2020-13-4-17-25</article-id><article-id custom-type="elpub" pub-id-type="custom">radhyd-748</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>Научные статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Scientific articles</subject></subj-group></article-categories><title-group><article-title>Подходы к оценке полноты и качества регистров потомков облучённого населения</article-title><trans-title-group xml:lang="en"><trans-title>Approaches to the assessment of completeness and quality of the registry of exposed population offspring</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>Шалагинов</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shalaginov</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шалагинов Сергей Александрович - кандидат медицинских наук, старший научный сотрудник эпидемиологической лаборатории Уральского научно-практического центра радиационной медицины ФМБА России; доцент кафедры радиобиологии Челябинского ГУ.</p><p>454076, Челябинск, ул. Воровского, д. 68-А</p></bio><bio xml:lang="en"><p>Sergey A. Shalaginov - Candidate of Medical Science, Senior Researcher, Epidemiological Laboratory, Urals Research Center for Radiation Medicine, FMBA; Assistant Professor of Radiobiology Department, Chelyabinsk SU.</p><p>Vorovsky str., 68-A, Chelyabinsk, 454076</p></bio><email xlink:type="simple">shalaginov@urcrm.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>Аклеев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Akleyev</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аклеев Александр Васильевич - заслуженный деятель науки Российской Федерации, доктор медицинских наук, профессор, директор Уральского научно-практического центра радиационной медицины ФМБА России; заведующий кафедрой радиационной биологии Челябинского ГУ</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Уральский научно-практический центр радиационной медицины Федерального медико-биологического агентства России; Челябинский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Urals Research Center for Radiation Medicine, Federal Medical-Biological Agency of Russia; Chelyabinsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>31</day><month>12</month><year>2020</year></pub-date><volume>13</volume><issue>4</issue><fpage>17</fpage><lpage>25</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шалагинов С.А., Аклеев А.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Шалагинов С.А., Аклеев А.В.</copyright-holder><copyright-holder xml:lang="en">Shalaginov S.A., Akleyev A.V.</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://www.radhyg.ru/jour/article/view/748">https://www.radhyg.ru/jour/article/view/748</self-uri><abstract><p>Неопределенности оценок радиационного риска отдаленных последствий облучения человека в значительной степени определяются полнотой и качеством эпидемиологических данных. Основополагающее значение для когортных исследований имеет регистр исследуемой когорты. Особые сложности возникают при формировании регистра потомков облученных лиц, которые, в отличие от их родителей, не подвергались радиационному воздействию. Формирование когорты потомков облучённых лиц имеет свои особенности и требует оценки ее полноты и качества. Целью работы является изучение показателя соотношения полов как возможного критерия для оценки полноты и качества регистра потомков когорты реки Течи. Регистр потомков облучённого населения на конец 2019 г. включал сведения на 25 930 лиц. Формирование регистра потомков облучённого на реке Теча населения было начато в середине 1950-х гг. При этом использовались разнообразные документы, подтверждающие факт рождения ребёнка у облучённых лиц. В популяции реки Течи доля потомков, зачатых только облучённой матерью, составляет 22,2%, только облучённым отцом — 13,9%, доля потомков, подвергшихся внутриутробному облучению, составляет 44,6%. В соответствии с общепринятыми данными литературы, в когорте потомков первого поколения следовало ожидать уменьшение рождения мальчиков. Однако по результатам проведенной работы у потомков не отмечено изменения соотношения полов при сравнении с популяционным контролем. Более того, установлено, что соотношение полов в популяции потомков первого поколения облучённого на реке Тече населения нельзя рассматривать как вторичное. Не нашло подтверждения предположение о влиянии преконцептивного облучения родителей, а также внутриутробного облучения на изменение соотношения полов. Показано, что снижение показателя соотношения полов связано с недоучётом потомков первого поколения мужского пола, умерших в детском и молодом возрасте. Величина соотношения полов в группах, сформированных в зависимости от характера и дозы облучения, зависела, главным образом, от источников информации, использованных при формировании регистра потомков.</p></abstract><trans-abstract xml:lang="en"><p>Uncertainties of radiation risk of late radiation exposure effects in humans are to a great extent determined by completeness and quality of epidemiological data. The registry of the studied cohort is of fundamental importance for the cohort studies. Particular difficulties appear in the course of development of the exposed population offspring registry as these people in contrast to their parents were not affected by radiation exposure. The formation of the cohort of the exposed population offspring has its peculiarities and requires evaluation of its completeness and quality. The objective of this research is to study the value of the sex ratio as a possible criterion to assess the completeness and quality of the registry of the Techa River Cohort offspring. The register of descendants of the irradiated population at the end of 2019 included information on 25930 persons. The formation of the register of descendants of the population irradiated on the Techa River was started in the mid-1950s. At the same time, various documents were used to confirm the fact of birth of a child in irradiated persons. In the Techa River population the proportion of offspring with exposed mother and unexposed father is 22.2%, those with exposed father and unexposed mother made up 13.9%; the proportion of in utero exposed offspring is 44.6%. In accordance to the widely accepted published data it was to be expected that the number of male 1st-generation offspring in the cohort would be lower. However, the results of the conducted research show no changes in the sex ratio among offspring relative to the population-based control. Moreover, it was stated that the sex ratio in the population of the 1st-generation offspring of the exposed residents of the Techa River settlements should not be viewed as secondary. The assumption about the influence of the pre-conceptional exposure of the parents as well as that of the in utero exposure on changes in the sex ratio was not confirmed. It is shown that the decrease in the value of the sex ratio is associated with misreporting of the male 1st -generation offspring who died in childhood and at young age. The value of the sex ratio in groups formed based on the character and dose of exposure, depended mainly on the source of information used in the course of the offspring registry development.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>качество и полнота регистров</kwd><kwd>критерии оценки</kwd><kwd>потомки облучённого населения</kwd><kwd>река Теча</kwd><kwd>соотношение полов</kwd><kwd>акты и свидетельства о рождении</kwd></kwd-group><kwd-group xml:lang="en"><kwd>quality and completeness of registries</kwd><kwd>assessment criteria</kwd><kwd>exposed population offspring</kwd><kwd>Techa River</kwd><kwd>sex ratio</kwd><kwd>birth certificates and birth entries</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">Sources, Effects and Risks of Ionizing Radiation. United Nations Scientific Committee on the Effects of Atomic Radiation. 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