<?xml version="1.0" encoding="ISO-8859-1"?><article 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">
<front>
<journal-meta>
<journal-id>2448-8909</journal-id>
<journal-title><![CDATA[Medicina crítica (Colegio Mexicano de Medicina Crítica)]]></journal-title>
<abbrev-journal-title><![CDATA[Med. crít. (Col. Mex. Med. Crít.)]]></abbrev-journal-title>
<issn>2448-8909</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Medicina Crítica A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-89092023000800691</article-id>
<article-id pub-id-type="doi">10.35366/115227</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Asociación entre el grosor del cuádriceps femoral medido por sonografía, ángulo de fase por bioimpedancia y parámetros bioquímicos convencionales para valorar el estado nutricional de los pacientes críticamente enfermos]]></article-title>
<article-title xml:lang="en"><![CDATA[Association between the thickness of the quadriceps femoris measured by sonography, phase angle by bioimpedance and conventional biochemical parameters to assess the nutritional status of critically ill patients]]></article-title>
<article-title xml:lang="pt"><![CDATA[Associação entre espessura do quadríceps femoral medida por ultrassonografia, ângulo de fase por bioimpedância e parâmetros bioquímicos convencionais para avaliação do estado nutricional de pacientes em estado crítico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Córdova]]></surname>
<given-names><![CDATA[Héctor Alyhek]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Ponce]]></surname>
<given-names><![CDATA[Carlos Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Nava]]></surname>
<given-names><![CDATA[Víctor Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chávez Pérez]]></surname>
<given-names><![CDATA[Carlos Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico y de Estudios Superiores de Monterrey Hospital Zambrano-Hellion ]]></institution>
<addr-line><![CDATA[Monterrey ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>37</volume>
<numero>8</numero>
<fpage>691</fpage>
<lpage>698</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-89092023000800691&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-89092023000800691&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-89092023000800691&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[resumen está disponible en el texto completo]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  in recent years, the impact of the state has been well recognized and defined nutritional influence on the clinical outcomes of critically ill patients and malnutrition has been related to prolonged hospital stay, mortality, and increased hospital costs in healthcare system. Evaluation of skeletal muscle has proven to be a reliable parameter for determining the nutritional status of the patient and its relationship with clinical events adverse. Measurement of the thickness of the quadriceps femoris can be evaluated by ultrasonography at the bedside of the patient in the Adult Intensive Care Unit (ICU), without requiring transfer, and subject you to unnecessary risks associated with imaging techniques. The above makes it a promising tool to be used in the context of nutritional evaluation of critically ill patient.  Objective:  determine the association between conventional biochemical nutrition parameters with the thickness of the quadriceps femoris measured by ultrasonography and the phase angle by bioimpedance in critically ill patients.  Material and methods:  prospective, observational, comparative, longitudinal (analytical), cohort study. Patients were included upon admission to the adult intensive care unit. Quadriceps femoris thickness measurement was performed by ultrasound in each patient&#8217;s extremity at the bedside, as well as phase angle by electrical bioimpedance. These measurements were repeated on days 1 and 7.  Results:  21 patients were included, with a median age of 75 (55-81.5), of which 10 (47.6%) were women and 11 (52.4%) men. Patients had a median APACHE II, SOFA, and NUTRIC score of 12, 4, and 4 points, respectively. The median AP and LL quadriceps thickness on day 1 was 0.64 cm and 2.5 cm, respectively. On day 7, it was 0.58 cm and 2.1 cm, respectively. The median phase angle on day 1 and 7 was 3o and 2.9o, respectively. At day 1, a moderate negative association was found between AP quadriceps thickness and SOFA score (r = -0.436, p = 0.048) and nitrogen balance (r = -0.536, p = 0.018), as well as an association moderate positive between transferrin (r=0.409, p = 0.074) and prealbumin (r = 0.466, p = 0.038) with quadriceps AP thickness. On the seventh day of stay in the ICU, we found only a moderate negative correlation between the thickness of the AP quadriceps femoris and the overall hospital stay. Of all patients, the median hospital stay was 9 (8-19) days. 10 patients (47.6%) required mechanical ventilation. Sepsis occurred in 9 (42.9%) and acute kidney injury in 3 (14.3%). Mortality was 1 patient (4.8%).  Conclusions:  in our study, we concluded that on the first day of evaluation the SOFA score and nitrogen balance had a moderate negative correlation with the AP thickness of the quadriceps muscle, while this same diameter was moderately positively associated with transferrin levels. and patient prealbumin. Furthermore, on the seventh day, there was a moderate negative correlation between the thickness of the quadriceps femoris in its AP diameter and the days of hospital stay.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução:  nos últimos anos, o impacto do Estado tem sido bem reconhecido e definido influência nutricional nos resultados clínicos de pacientes gravemente enfermos e a desnutrição tem sido relacionado à permanência hospitalar prolongada, mortalidade e aumento dos custos hospitalares, sistema de saúde. A avaliação do músculo esquelético provou ser um parâmetro confiável para determinar o estado nutricional do paciente e sua relação com eventos clínicos desfavoraveis. A medida da espessura do quadríceps femoral pode ser avaliada por ultrassonografia em à beira do leito do paciente internado em Unidade de Terapia Intensiva Adulto (UTI), sem necessidade de transferência, e sujeitá-lo a riscos desnecessários associados às técnicas de imagem. O acima faz com que uma ferramenta promissora para ser utilizada no contexto da avaliação nutricional de paciente gravemente enfermo.  Objetivo:  determinar a associação entre os parâmetros bioquímicos nutricionais convencionais e a espessura do quadríceps femoral medida por ultrassonografia e o ângulo de fase por bioimpedância em pacientes críticos.  Material e métodos:  estudo prospectivo, observacional, comparativo, longitudinal (analítico), de tipo coorte. Os pacientes foram incluídos no momento da admissão na Unidade de Terapia Intensiva Adulto. A espessura do quadríceps femoral foi medida por ultrassom em cada membro do paciente à beira do leito, bem como o ângulo de fase por bioimpedância elétrica. Essas medidas foram repetidas nos dias 1 e 7.  Resultados:  incluíram-se 21 pacientes, com mediana de idade de 75 (55-81.5), dos quais 10 (47.6%) eram mulheres e 11 (52.4%) homens. Os pacientes tiveram uma pontuação mediana APACHE II, SOFA e NUTRIC de 12, 4 e 4 pontos, respectivamente. A mediana da espessura do quadríceps AP e LL no dia 1 foi de 0.64 cm e 2.5 cm, respectivamente. No dia 7, era de 0.58 cm e 2.1 cm, respectivamente. A mediana do ângulo de fase nos dias 1 e 7 foi de 3° e 2.9°, respectivamente. No dia 1, encontrou-se uma associação negativa moderada entre a espessura do quadríceps AP e o escore SOFA (r = -0.436, p = 0.048) e balanço de nitrogênio (r = -0.536, P = 0.018), bem como uma associação positiva moderada entre transferrina (r = 0.409, p = 0.074) e pré-albumina (r = 0.466, p = 0.038) com espessura do quadríceps AP. No sétimo dia de internação na UTI, encontramos apenas uma correlação negativa moderada entre a espessura do quadríceps femoral AP e o tempo de internação geral. De todos os pacientes, a média de permanência hospitalar foi de 9 (8-19) dias. 10 pacientes (47.6%) necessitaram de ventilação mecânica. A sepse ocorreu em 9 (42.9%) e lesão renal aguda em 3 (14.3%). A mortalidade ocorreu em um paciente1 (4.8%).  Conclusões:  em nosso estudo, concluímos que, no primeiro dia de avaliação, a pontuação SOFA e o balanço de nitrogênio tiveram uma correlação negativa moderada com a espessura AP do músculo quadríceps, enquanto esse mesmo diâmetro foi moderadamente associado positivamente aos níveis de transferrina e pré-albumina do paciente. Além disso, no sétimo dia, houve uma correlação negativa moderada entre a espessura do diâmetro AP do quadríceps femoral e os dias de internação hospitalar.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[grosor del cuádriceps femoral]]></kwd>
<kwd lng="es"><![CDATA[bioimpedancia]]></kwd>
<kwd lng="es"><![CDATA[parámetros nutricionales bioquímicos]]></kwd>
<kwd lng="es"><![CDATA[estado nutricional]]></kwd>
<kwd lng="en"><![CDATA[thickness of the quadriceps femoris]]></kwd>
<kwd lng="en"><![CDATA[bioimpedance]]></kwd>
<kwd lng="en"><![CDATA[biochemical nutrition parameters]]></kwd>
<kwd lng="en"><![CDATA[nutritional condition]]></kwd>
<kwd lng="pt"><![CDATA[espessura do quadríceps femoral]]></kwd>
<kwd lng="pt"><![CDATA[bioimpedância]]></kwd>
<kwd lng="pt"><![CDATA[parâmetros bioquímicos nutricionais]]></kwd>
<kwd lng="pt"><![CDATA[estado nutricional]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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