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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">akusherstvo</journal-id><journal-title-group><journal-title xml:lang="en">Obstetrics, Gynecology and Reproduction</journal-title><trans-title-group xml:lang="ru"><trans-title>Акушерство, Гинекология и Репродукция</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2313-7347</issn><issn pub-type="epub">2500-3194</issn><publisher><publisher-name>IRBIS LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17749/2313-7347/ob.gyn.rep.2023.382</article-id><article-id custom-type="elpub" pub-id-type="custom">akusherstvo-1652</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="en"><subject>ОRIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group></article-categories><title-group><article-title>Predicting a clinically narrow pelvis using neural network data analysis</article-title><trans-title-group xml:lang="ru"><trans-title>Прогнозирование клинически узкого таза с помощью нейросетевого анализа данных</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5474-1080</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зиганшин</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Ziganshin</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зиганшин Айдар Миндиярович – к.м.н., доцент кафедры акушерства и гинекологии с курсом Института дополнительного профессионального образования</p><p>450008 Уфа, ул. Ленина, д. 3</p></bio><bio xml:lang="en"><p>Aydar M. Ziganshin – MD, РhD, Associate Professor, Department of Obstetrics and Gynecology with a Course of the Institute of Additional Professional Education</p><p>3 Lenin Str., Ufa 450008</p></bio><email xlink:type="simple">Zigaidar@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/0000-0001-9524-8962</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дикке</surname><given-names>Г. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Dikke</surname><given-names>G. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дикке Галина Борисовна – д.м.н., профессор кафедры акушерства и гинекологии с курсом репродуктивной медицины</p><p>190013 Санкт-Петербург, Московский проспект, д. 22, лит. М</p></bio><bio xml:lang="en"><p>Galina B. Dikke – MD, Dr Sci Med, Professor, Department of Obstetrics and Gynecology with a Course of Reproductive Medicine</p><p>22 Lit. M, Moskovskiy Avenue, Saint Petersburg 190013</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/0000-0002-5961-5400</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мудров</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mudrov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мудров Виктор Андреевич – к.м.н., доцент кафедры акушерства и гинекологии лечебного и стоматологического факультетов</p><p>672000 Чита, ул. Горького, д. 39а</p></bio><bio xml:lang="en"><p>Viсtor A. Mudrov – MD, РhD, Associate Professor, Department of Obstetrics and Gynecology, Medical and Dental Faculties</p><p>39а Gorkogo Str., Chita 672090</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Башкирский государственный медицинский университет» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bashkir State Medical University, Health Ministry of Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ОУ ДПО «Академия медицинского образования имени Ф.И. Иноземцева»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Inozemtsev Academy of Medical Education</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБОУ ВО «Читинская государственная медицинская академия» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Chita State Medical Academy, Health Ministry of Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>19</day><month>05</month><year>2023</year></pub-date><volume>17</volume><issue>2</issue><fpage>211</fpage><lpage>220</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ziganshin A.M., Dikke G.B., Mudrov V.A., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Зиганшин А.М., Дикке Г.Б., Мудров В.А.</copyright-holder><copyright-holder xml:lang="en">Ziganshin A.M., Dikke G.B., Mudrov V.A.</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.gynecology.su/jour/article/view/1652">https://www.gynecology.su/jour/article/view/1652</self-uri><abstract><sec><title>Aim</title><p>Aim: to improve the efficiency of predicting a clinically narrow pelvis (СNP) using neural network data analysis and to evaluate its prognostic characteristics.</p></sec><sec><title>Materials and Мethods</title><p>Materials and Мethods. The study was designed as a retrospective non-randomized clinical trial. An analysis of 184 born neonates was carried out: group 1 included 135 female patients whose delivery occurred through the natural birth canal, group 2 – 49 patients whose delivery was complicated by СNP development and ended up with emergency caesarean section. Examination of patients was carried out on the eve of childbirth (1–2 days) and included anamnesis, general and special obstetric examination, including pelvimetry, a clinical assessment of cephalopelvic disproportion was carried out during childbirth. The condition of newborns was assessed using the Apgar scale, height and body weight were measured. Neural network analysis was performed using the built-in Neural Networks module of SPSS Statistics Version 25.0 (IBM, USA).</p></sec><sec><title>Results</title><p>Results. Despite hypothetically important role of anatomically narrowed pelvis in development of cephalopelvic disproportion, no significant inter-group differences were found. Significant parameters (abdominal circumference, uterine fundus height and woman’s weight, fetal head circumference, as well as data on the presence or absence of oligohydramnios and fetal macrosomia) were determined, which were included in the test database to create the basis for training the multilayer perceptron. Out of 135 patients of group 1, the prognosis was negative in 131 (97.0 %), positive in 4 (3.0 %); out of 49 patients in group 2, negative in 0 (0.0 %), positive in 49 (100.0 %). The forecast accuracy of the developed model was 98 % (sensitivity – 100 %, specificity –97 %). The information content of neural network data analysis in СNP predicting is presented in ROC analysis: area under the curve (AUC) = 0.99 (95 % confidence interval = 0.97–1.00). Neonatal anthropometric parameters were significantly higher in group 2 vs. group 1, and the Apgar score at 1 minute was correspondingly lower.</p></sec><sec><title>Conclusion</title><p>Conclusion. The use of neural network analysis of clinical data obtained on the eve of childbirth allows to predict СNP development at sufficient degree of accuracy (98.0 %), which, in the future, after being introduced into clinical practice, will optimize a choice of delivery method in patients at risk (anatomically narrow pelvis, large fetus), reduce emergency caesarean sections and improve birth outcomes.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Цель</title><p>Цель: повысить эффективность прогнозирования клинически узкого таза (КУТ) с помощью нейросетевого анализа данных и оценить его диагностические характеристики.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Выполнено ретроспективное нерандомизированное клиническое исследование. Проведен анализ 184 родов: в группу 1 вошли 135 пациенток, роды которых произошли через естественные родовые пути, в группу 2 – 49 пациенток, роды которых осложнились развитием КУТ и завершились экстренным кесаревым сечением. Обследование пациенток проводилось накануне родов (за 1–2 дня) и включало сбор анамнеза, общее и специальное акушерское исследование, включая пельвиометрию; в родах проводилась клиническая оценка краниотазовой диспропорции. Оценку состояния новорожденных выполняли по шкале Апгар, измеряли рост и массу тела. Нейросетевой анализ выполняли с помощью встроенного модуля Neural Networks программы SPSS Statistics Version 25.0 (IBM, США).</p></sec><sec><title>Результаты</title><p>Результаты. Несмотря на гипотетически значимую роль анатомического сужения таза в развитии краниотазовой диспропорции, статистически значимых различий между группами выявлено не было. Определены статистически значимые параметры (значения окружности живота, высоты дна матки и массы тела женщины, окружности головки плода, а также данные о наличии или отсутствии маловодия и макросомии плода), которые были включены в базу данных, которая легла в основу обучения многослойного перцептрона. Из 135 пациенток группы 1 прогноз оказался отрицательным у 131 (97,0 %) женщины, положительным – у 4 (3,0 %); у 49 (100,0 %) пациенток группы 2 прогноз был положительным. Точность прогноза разработанной модели составила 98 % (чувствительность – 100 %, специфичность – 97 %). Информативность нейросетевого анализа данных в прогнозировании КУТ представлена ROC-анализом: площадь под кривой (англ. area under curve, AUC) = 0,99 (95 % доверительный интервал = 0,97–1,00). Показатели антропометрии новорожденных статистически значимо были выше в группе 2 по сравнению с группой 1, а оценка по Апгар на 1-й минуте соответственно ниже.</p></sec><sec><title>Заключение</title><p>Заключение. Применение нейросетевого анализа клинических данных, полученных накануне родов, позволяет с достаточной степенью точности (98,0 %) прогнозировать развитие КУТ, что в перспективе при его внедрении в клиническую практику позволит оптимизировать выбор метода родоразрешения пациенток, входящих в группу риска (анатомически узкий таз, крупный плод), снизить частоту экстренных кесаревых сечений и улучшить исходы родов.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>клинически узкий таз</kwd><kwd>КУТ</kwd><kwd>краниотазовая диспропорция</kwd><kwd>нейросетевой анализ</kwd><kwd>нейронная сеть</kwd><kwd>многослойный перцептрон</kwd></kwd-group><kwd-group xml:lang="en"><kwd>clinically narrow pelvis</kwd><kwd>СNP</kwd><kwd>cephalopelvic disproportion</kwd><kwd>neural network analysis</kwd><kwd>neural network</kwd><kwd>multilayer perceptron</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">Мочалова М.Н., Пономарева Ю.Н., Мудров В.А., Мудров А.А. 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