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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">oncotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский онкологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian journal of oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-4861</issn><issn pub-type="epub">2312-3168</issn><publisher><publisher-name>Tomsk National Research Medical Сепtеr of the Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21294/1814-4861-2019-18-5-74-79</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-1191</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>ОПЫТ РАБОТЫ ОНКОЛОГИЧЕСКИХ УЧРЕЖДЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ONCOLOGY PRACTICE</subject></subj-group></article-categories><title-group><article-title>ЭНЦЕФАЛОПАТИЯ И ГИПЕРЛАКТАТЕМИЯ В-ТИПА КАК ОСЛОЖНЕНИЕ ЛЕЧЕНИЯ 5-ФТОРУРАЦИЛОМ</article-title><trans-title-group xml:lang="en"><trans-title>ENCEPHALOPATHY AND HYPERLACTATEMIA AS A COMPLICATION OF 5-FLUOROURACIL TREATMENT</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8463-2600</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курмуков</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurmukov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курмуков Илдар Анварович, кандидат медицинских наук, ведущий научный сотрудник отдела интенсивной терапии, функциональной диагностики и реабилитации</p><p>г. Москва, 115478, Каширское шоссе, 23</p><p>SPIN-код: 3692-5202</p><p>Researcher ID (WOS): V-2584-2018</p><p>Author ID (Scopus): 56195263800</p></bio><bio xml:lang="en"><p>Ildar A. Kurmukov, MD, PhD, Leading Researcher, Department of Functional Diagnosis, Intensive Care and Rehabilitation</p><p>23, Kashirskoye Shosse, Moscow, 115478</p><p>Researcher ID (WOS): V-2584-2018</p><p>Author ID (Scopus): 56195263800</p></bio><email xlink:type="simple">kurmukovia@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9562-9113</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юнаев</surname><given-names>Г. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Yunayev</surname><given-names>G. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юнаев Григорий Сергеевич, врач анестезиолог-реаниматолог отдела интенсивной терапии, функциональной диагностики и реабилитации</p><p>г. Москва, 115478, Каширское шоссе, 23</p><p>SPIN-код: 4410-8937</p><p>Researcher ID (WOS): X-3904-2018</p></bio><bio xml:lang="en"><p>Grigory S. Yunayev, MD, Physician, Department of Functional Diagnosis, Intensive Care and Rehabilitation</p><p>23, Kashirskoye Shosse, Moscow, 115478</p><p>Researcher ID (WOS): X-3904-2018</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/0000-0002-9600-3841</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Просвирнов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Prosvirnov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Просвирнов Андрей Александрович, студент педиатрического факультета, ФГБОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова»</p><p>г. Москва, 115478, Каширское шоссе, 23,</p><p>г. Москва, 117997, ул. Островитянова, 1</p><p>SPIN-код 7859-9219</p><p>Researcher ID (WOS): X-3815-2018</p><p> </p></bio><bio xml:lang="en"><p>Andrey A. Prosvirnov, Student, Pirogov Russian National Research Medical University</p><p>23, Kashirskoye Shosse, Moscow, 115478, </p><p>1, Ostrovityanova Street, Moscow, 117997</p><p>Researcher ID (WOS): X-3815-2018</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/0000-0002-4622-4187</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Боровкова</surname><given-names>Н. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Borovkova</surname><given-names>N. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Боровкова Наталья Борисовна, кандидат биологических наук, старший научный сотрудник, лаборатория клинической биохимии</p><p>г. Москва, 115478, Каширское шоссе, 23</p><p> </p></bio><bio xml:lang="en"><p>Nataliya B. Borovkova, PhD, Senior Researcher, Department of Biochemistry</p><p>23, Kashirskoye Shosse, Moscow, 115478</p><p> </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/0000-0001-8836-8763</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кашия</surname><given-names>Ш. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Kashiya</surname><given-names>Sh. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кашия Шалва Робертович, кандидат медицинских наук, заведующий отделом интенсивной терапии, функциональной диагностики и реабилитации</p><p>г. Москва, 115478, Каширское шоссе, 23</p><p>SPIN-код 65766302</p><p>Author ID (Scopus): 55627107900</p></bio><bio xml:lang="en"><p>Shalva R. Kashiya, MD, PhD, Head of Department of Functional Diagnosis, Intensive Care and Rehabilitation</p><p>23, Kashirskoye Shosse, Moscow, 115478</p><p>Author ID (Scopus): 55627107900</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «НМИЦ онкологии им. Н.Н. Блохина»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.N. Blokhin National Medical Research Center of Oncology, 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>ФГБУ «НМИЦ онкологии им. Н.Н. Блохина»;&#13;
ФГБОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation;&#13;
Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>31</day><month>10</month><year>2019</year></pub-date><volume>18</volume><issue>5</issue><fpage>74</fpage><lpage>79</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Курмуков И.А., Юнаев Г.С., Просвирнов А.А., Боровкова Н.Б., Кашия Ш.Р., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Курмуков И.А., Юнаев Г.С., Просвирнов А.А., Боровкова Н.Б., Кашия Ш.Р.</copyright-holder><copyright-holder xml:lang="en">Kurmukov I.A., Yunayev G.S., Prosvirnov A.A., Borovkova N.B., Kashiya S.R.</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.siboncoj.ru/jour/article/view/1191">https://www.siboncoj.ru/jour/article/view/1191</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Спектр метаболических и токсических расстройств, провоцирующих развитие острой энцефалопатии в онкологии, довольно широк. В первую очередь следует исключать гипогликемию, недостаток витамина B1 (тиамина), фульминантную печеночную недостаточность, уремию, тяжелую гипои гипернатриемию. У пациентов, получающих 5-фторурацил (5-ФУ) и фторпиримидины для приема внутрь, при дифференциальной диагностике следует учитывать и возможную центральную нейротоксичность этого класса противоопухолевых препаратов, связанную с гипераммониемией. В этом случае диагностике энцефалопатии может способствовать анализ кислотно-основного состояния крови и выявление гиперлактатемии B-типа.</p></sec><sec><title>Описание случаев</title><p>Описание случаев. Представлено два клинических случая энцефалопатии и гиперлактатемии у больных раком желудка и прямой кишки IV стадии, получавших 5-ФУ в виде длительной инфузии.</p></sec><sec><title>Заключение</title><p>Заключение. Диагностика частых побочных эффектов противоопухолевого лечения (в случае фторпиримидинов – миелосупрессия, анорексия, диарея, мукозит и ладонно-подошвенный синдром) является рутинной и осваивается онкологом на самых ранних этапах профессиональной деятельности; лечение этих осложнений и дальнейшая коррекция противоопухолевой терапии подробно освещены в руководствах. Специфические фторпиримидин-обусловленные энцефалопатию и гистотоксическую гиперлактатемию распознать довольно сложно. Надеемся, что наше описание поможет практическим врачам предотвратить возможные ошибки диагностики.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. There is a wide spectrum of metabolic and toxic disorders that can cause acute encephalopathy in cancer patients. In routine clinical practice, hypoglycemia, vitamin B1 (thiamine) deficit, fulminant liver failure, uremia, severe hypoand hypernatremia should be primarily excluded. Central neurotoxicity associated with hyperammonemia in patients receiving 5-fluorouracil (5-FU) and oral fluoropyrimidines should be considered in differential diagnosis. In this case, the analysis of the blood acid-base status and the detection of B-type hyperlactatemia can facilitate the diagnosis of the cause of encephalopathy.</p></sec><sec><title>Case description</title><p>Case description. We present two cases of hyperlactatemia and encephalopathy in stage IV cancer patients with continuous infusion of 5-FU via a portable infusion pump.</p></sec><sec><title>Conclusion</title><p>Conclusion. Diagnosis of the frequent fluoropyrimidin-related adverse effects, such as myelosuppression, anorexia, diarrhea, mucositis, and palm-plantar syndrome, are routine and mastered by an oncologist at the very beginning of his/her professional activity. Specific fluoropyrimidinerelated encephalopathy or hyperlactatemia are difficult to suspect and recognize. We hope our description will be useful to prevent possible diagnostic errors.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>химиотерапия</kwd><kwd>осложнения</kwd><kwd>5-фторурацил</kwd><kwd>энцефалопатия</kwd><kwd>гипераммониемия</kwd><kwd>лактат-ацидоз</kwd><kwd>аденокарцинома желудка</kwd><kwd>аденокарцинома прямой кишки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chemotherapy</kwd><kwd>complications</kwd><kwd>5-fluorouracil</kwd><kwd>encephalopathy</kwd><kwd>hyperammonemia</kwd><kwd>lactic acidosis</kwd><kwd>adenocarcinoma of the stomach</kwd><kwd>adenocarcinoma of the rectum</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">Yeh K.H., Cheng A.L. High-dose 5-fluorouracil infusional therapy is associated with hyperammonaemia, lactic acidosis and encephalopathy. 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