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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">nefr</journal-id><journal-title-group><journal-title xml:lang="ru">Нефрология</journal-title><trans-title-group xml:lang="en"><trans-title>Nephrology (Saint-Petersburg)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-6274</issn><issn pub-type="epub">2541-9439</issn><publisher><publisher-name>Pavlov First Saint-Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">nefr-17</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>ОРИГИНАЛЬНЫЕ СТАТЬИ КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Коррекция «сухого веса» у больных, получающих лечение программным гемодиализом по результатам векторного анализа биоимпеданса</article-title><trans-title-group xml:lang="en"><trans-title>«Dry weight» correction in hemodialysis patients based on the results of bioimpedance vector analysis</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>Вишневский</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vishnevskii</surname><given-names>K. A.</given-names></name></name-alternatives><email xlink:type="simple">mercucio_fh@mail.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>Герасимчук</surname><given-names>Р. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Gerasimchuk</surname><given-names>R. P.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Земченков</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Zemchenkov</surname><given-names>A. Yu.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Городская Мариинская больница, Городской нефрологический центр; Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П.Павлова</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>Городская Мариинская больница, Городской нефрологический центр; Северо-Западного государственного медицинского университета им. И.И. Мечникова</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>01</day><month>03</month><year>2014</year></pub-date><volume>18</volume><issue>2</issue><fpage>61</fpage><lpage>71</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Вишневский К.А., Герасимчук Р.П., Земченков А.Ю., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Вишневский К.А., Герасимчук Р.П., Земченков А.Ю.</copyright-holder><copyright-holder xml:lang="en">Vishnevskii K.A., Gerasimchuk R.P., Zemchenkov A.Y.</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://journal.nephrolog.ru/jour/article/view/17">https://journal.nephrolog.ru/jour/article/view/17</self-uri><abstract><p>ЦЕЛЬ ИССЛЕДОВАНИЯ - выявление возможностей векторного анализа биоимпеданса для коррекции «сухого веса». ПАЦИЕНТЫ И МЕТОДЫ. Всего в исследование было включено 67 пациентов на гемодиализе (42 мужчины и 25 женщин). В течение месяца до и месяца после определения биоимпеданса и коррекции «сухого веса» выполнялся анализ динамики артериального давления на каждом сеансе гемодиализа, а также фиксировались осложнения во время процедуры: артериальная гипо- и гипертензия. Кроме того, непосредственно до определения биоимпеданса производилась оценка нутриционного статуса, а также качества жизни пациентов по шкале KDQOL-SF™. Измерения биоимпеданса проводились на мультичастотном фаза-чувствительном анализаторе биоимпеданса «NutriGuard-M» (Data Input GmbH). Измерение активного (R) и реактивного (Xc) сопротивлений выполнялось на частотах 5, 50 и 100 KHz. Построение вектора биоимпеданса производилось по значениям сопротивления для частоты 50 KHz по осям сопротивлений R и Xc, каждое из которых корректировалось по росту пациента. Параллельно с оценкой жидкостного статуса по векторам биоимпеданса также производился анализ показателя фазового угла. Достижение рекомендованного в результате измерения биоимпеданса «сухого веса» производилось постепенно, в зависимости от адаптивных особенностей каждого пациента. РЕЗУЛЬТАТЫ. По результатам комплексной оценки степени гидратации проведена коррекция «сухого веса»: у 26 пациентов рекомендованный вес был снижен в среднем на 1,30±1,26 кг, у 20 пациентов - повышен на 0,60±0,29 кг, а у 21 пациента рекомендованная масса не была изменена. Частота эпизодов артериальной гипертензии после коррекции «сухого веса» среди пациентов, исходно имевших эпизоды артериальной гипертензии (44%), снижение составило 1,16 эпизода в месяц (95% ДИ: -1,87^-0,45; р=0,002). Среди пациентов с исходной гипотензией частота эпизодов снизилась на 0,94 в месяц (95% ДИ: -1,74+ -0,1; р=0,024). Такие параметры биоимпеданса, как фазовый угол, доля клеточной массы, индекс отношения внеклеточной массы к массе клеток, существенно различались у пациентов с уровнями альбумина сыворотки ниже и выше 37 г/л (медиана). Помимо клинико-лабораторных показателей, параметры биоимпеданса оказались связанными со шкалами качества жизни, главным образом - с физическими шкалами. ЗАКЛЮЧЕНИЕ. Коррекция показателя «сухого веса» по результатам векторного анализа биоимпеданса позволяет улучшить контроль артериального давления и снизить частоту интрадиализных осложнений. Показатели фазового угла, доли клеточной массы, индекс отношения внеклеточной массы к массе клеток имеют прямую связь с показателями качества жизни по физическим шкалам, а также с показателями нутриционного статуса.</p></abstract><trans-abstract xml:lang="en"><p>AIM OF RESEARCH. The aim of this study was to evaluate the capabilities of the bioimpedance vector analysis to assess aggregate hydration and nutritional status in hemodialysis patients and correction of «dry weight». PATIENTS AND METHODS. The study included 66 hemodialysis patients ($ = 42, $ = 24). The analysis of the blood pressure dynamics at each hemodialysis session as well as recording complications during the procedure were carried out during one month prior to the determination of the bioimpedance and «dry weight» correction and one month after the correction,: hypotension, seizures, hypertension episodes. In addition, the quality of life assessment using SF-36 questionnaire as well as nutritional status were performed prior to the determination of the bioimpedance. Bioimpedance was performed by multifrequency phase-sensitive bioimpedance analyzer NutriGuard-M (Data Input GmbH). Measurement of resistance (R) and reactance (Xc) were carried out at 5, 50 and 100 KHz. Bioimpedance vector analysis was performed at 50 KHz based on R and Xc axes, each of which were adjusted to the patient’s height. Simultaneously with assessment of the fluid status by bioimpedance vector the phase angle was also estimated. Achievement of the «dry weight» recommended after measuring of the bioimpedance was carried out gradually, depending upon the adaptive characteristics of each patient. RESULTS. The correction of «dry weight» was performed according to the results of the comprehensive evaluation of the patient hydration status: in 26 patients recommended weight was reduced by an average of 1,30±1,26 kg, in 20 patients the weight was increased by 0,60±0,29 kg, while in 20 patients the recommended weight was not changed. The frequency of hypertensive episodes after «dry weight» correction decreased by 0.44 episodes per month (95% CI: -0,84 ^ -0,08; p = 0.018) in whole group. Among patients with episodes of hypertension (44%) its frequency declined by 1.16 episode per month (95% CI: -1,87 ^ -0,45; p = 0.002). Among patients prone to hypotensive episodes its frequency decreased by 0,94 episedes per month (95% CI: -1,74 ^ -0,1; р=0,024). Such bioimpedance parameters as the phase angle, the cell mass proportion, the ratio of extracellular mass to body cell mass were significantly different in patients with serum albumin levels below and above 37 g/l (median). In addition to clinical and laboratory values the bioimpedance parameters were associated with the quality of life scales, mostly - with physical scales. CONCLUSION. The «dry weight» correction according to the results of bioimpedance vector analysis can improve blood pressure control and reduce the incidence of intradialytic complications. The phase angle, the cell mass proportion and the ratio of extracellular mass to body cell mass are directly linked with quality of life in the physical scales, as well as with nutritional status indicators.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гемодиализ</kwd><kwd>биоимпеданс</kwd><kwd>качество жизни</kwd><kwd>нутриционный статус</kwd></kwd-group><kwd-group xml:lang="en"><kwd>«сухой вес»</kwd><kwd>hemodialysis</kwd><kwd>bioimpedance</kwd><kwd>«dry weight»</kwd><kwd>quality of life</kwd><kwd>nutritional status</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">Chang TI, Paik J, Greene T et al. Intradialytic hypotension and vascular access thrombosis. J Am SocNephrol. 2011;22(8):1526-33</mixed-citation><mixed-citation xml:lang="en">Chang TI, Paik J, Greene T et al. Intradialytic hypotension and vascular access thrombosis. 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