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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">nogr</journal-id><journal-title-group><journal-title xml:lang="ru">Экспериментальная и клиническая гастроэнтерология</journal-title><trans-title-group xml:lang="en"><trans-title>Experimental and Clinical Gastroenterology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-8658</issn><publisher><publisher-name>«Global Media Technologies»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31146/1682-8658-ecg-176-4-100-106</article-id><article-id custom-type="elpub" pub-id-type="custom">nogr-1312</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>ХИРУРГИЧЕСКАЯ ГАСТРОЭНТЕРОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SURGICAL GASTROENTEROLOGY</subject></subj-group></article-categories><title-group><article-title>Диагностика рака поджелудочной железы методом инфракрасной спектроскопии сыворотки крови</article-title><trans-title-group xml:lang="en"><trans-title>Pancreatic cancer diagnosis by infrared serum spectroscopy</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>Красникова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasnikova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">lala-g@yandex.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>Гордецов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gordetsov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пузанков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Puzankov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Приволжский исследовательский медицинский университет» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Privolzhsky Research Medical University of the Ministry of Health of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное бюджетное учреждение здравоохранения «Приволжский окружной медицинский центр» Федерального медико-биологического агентства России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Privolzhsky district medical center Federal Medical and Biological Agency of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>24</day><month>06</month><year>2020</year></pub-date><volume>174</volume><issue>4</issue><fpage>100</fpage><lpage>106</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Красникова О.В., Гордецов А.С., Пузанков А.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Красникова О.В., Гордецов А.С., Пузанков А.А.</copyright-holder><copyright-holder xml:lang="en">Krasnikova O.V., Gordetsov A.S., Puzankov A.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.nogr.org/jour/article/view/1312">https://www.nogr.org/jour/article/view/1312</self-uri><abstract><sec><title>Введение</title><p>Введение. Актуальной во всем мире остается проблема дифференциальной диагностики рака поджелудочнойжелезы (РПЖ) и острого панкреатита. Имеющиеся клинические, лабораторные, инструментальные дооперационные, а зачастую и интраоперационные, в том числе и морфологические, данные далеко не всегда позволяют достаточно точно определить природу очагового поражения поджелудочной железы.</p></sec><sec><title>Цель исследования</title><p>Цель исследования. Разработать метод ранней диагностики рака поджелудочной железы методом ИК-спектроскопии сыворотки крови. </p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Методом ИК-спектроскопии сыворотки крови обследовано 30 пациентов с заболеванием поджелудочной железы: 20 пациентов с острым панкреатитом, 10 пациентов с РПЖ. Группу контроля составили здоровые добровольцы (20 человек) без заболеваний поджелудочной железы.Исследование проводили методом инфракрасной (ИК) спектроскопии образца крови пациента в области спектров поглощения 1200–1000 см – 1 [<xref ref-type="bibr" rid="cit31">31</xref>]. В качестве диагностических параметров выбрали отношения высот пиков полос поглощения друг на друга: 1165 / 1150 (Параметр 1), 1165 / 1090 (Параметр 2), 1165 / 1080 (Параметр 3), 1165 / 1070 (Параметр 4), 1165 / 1050 (Параметр 5).</p></sec><sec><title>Результаты</title><p>Результаты. Значения параметров ИК-спектров сыворотки крови больных с РПЖ достоверно ниже значений соответствующих параметров при остром панкреатите на 42% (П1), 54% (П2), 53% (П3), 59% (П4), 57% (П5) соответственно (p≤0.05). Такое резкое отличие ИК-спектроскопических параметров позволило визуализировать метод и создать дифференциально-диагностические профили болезней поджелудочной железы.</p></sec><sec><title>Выводы</title><p>Выводы. Изменение содержания фосфорсодержащих соединений (АТФ, АДФ, АМФ) в крови при остром панкреатите и РПЖ вызывает изменения спектроскопических характеристик. Метод ИК – спектроскопии позволяет дифференцировать данные заболевания поджелудочной железы. ИК-спектроскопические параметры позволяют сформировать дифференциально-диагностические образы рака поджелудочной железы и острого панкреатита и визуализировать математические расчеты. Предложенный способ является неинвазивным, то есть позволяет без внутреннего вмешательства в организм больного провести диагностику острого панкреатита и рака поджелудочной железы. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. The problem of the diff erential diagnosis of pancreatic cancer (PCa) and acute pancreatitis remains relevant throughout the world. The available clinical, laboratory, instrumental preoperative, and often intraoperative, including morphological, data do not always allow us to accurately determine the nature of the focal lesion of the pancreas.</p></sec><sec><title>Purpose of the study</title><p>Purpose of the study. To develop a method for the early diagnosis of pancreatic cancer by the method of infrared spectroscopy of blood serum.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. By the method of infrared spectroscopy of blood serum, 30 patients with pancreatic disease were examined: 20 patients with acute pancreatitis, 10 patients with prostate cancer. The control group consisted of healthy volunteers (20 people) without diseases of the pancreas.The study was carried out by infrared (IR) spectroscopy of a patient’s blood sample in the region of absorption spectra of 1200–1000 cm –1 [<xref ref-type="bibr" rid="cit31">31</xref>]. As diagnostic parameters, we chose the ratio of the heights of the peaks of the absorption bands on each other: 1165/1150 (Parameter 1), 1165/1090 (Parameter 2), 1165/1080 (Parameter 3), 1165/1070 (Parameter 4), 1165/1050 (Parameter 5).</p></sec><sec><title>Results</title><p>Results. The values of the parameters of the IR spectra of the blood serum of patients with PCa are signifi cantly lower than the values of the corresponding parameters in acute pancreatitis by 42% (P1), 54% (P2), 53% (P3), 59% (P4), 57% (P5), respectively (p≤0.05). Such a sharp diff erence in IR spectroscopic parameters allowed us to visualize the method and create diff erential diagnostic profi les of pancreatic diseases.</p></sec><sec><title>Conclusions</title><p>Conclusions. A change in the content of phosphorus-containing compounds (ATP, ADP, AMP) in the blood during acute pancreatitis and PCa causes changes in spectroscopic characteristics. The method of IR spectroscopy allows us to diff erentiate these diseases of the pancreas. IR spectroscopic parameters allow the formation of diff erential diagnostic images of pancreatic cancer and acute pancreatitis and visualize mathematical calculations. The proposed method is non-invasive, that is, it allows without internal intervention in the patient's body to diagnose acute pancreatitis and pancreatic cancer. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ИК-спектроскопия</kwd><kwd>диагностика</kwd><kwd>рак поджелудочной железы</kwd><kwd>острый панкреатит</kwd></kwd-group><kwd-group xml:lang="en"><kwd>IR spectroscopy</kwd><kwd>diagnosis</kwd><kwd>pancreatic cancer</kwd><kwd>acute pancreatitis</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">Каприн А.Д., Старинский В. В., Петрова Г. В. 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