<?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>S2448-89092024000700604</article-id>
<article-id pub-id-type="doi">10.35366/119536</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Desempeño del índice neutrófilo/linfocito comparado con el riesgo nutricional valorado por escala Nutric modificada en pacientes críticamente enfermos]]></article-title>
<article-title xml:lang="en"><![CDATA[Performance of the neutrophil/lymphocyte index compared to the nutritional risk assessed by the modified Nutric score in critically ill patients]]></article-title>
<article-title xml:lang="pt"><![CDATA[Desempenho do índice de neutrófilos/linfócitos comparado com o risco nutricional avaliado pela Nutric score modificada em pacientes em estado crítico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores Miranda]]></surname>
<given-names><![CDATA[Diana Nanyuki]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jaramillo Solís]]></surname>
<given-names><![CDATA[Agustín Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pizaña Dávila]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Ángeles Mocel  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<volume>38</volume>
<numero>7</numero>
<fpage>604</fpage>
<lpage>608</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-89092024000700604&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-89092024000700604&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-89092024000700604&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  la desnutrición es una condición altamente frecuente en la unidad de terapia intensiva y es un factor pronóstico negativo, ya que aumenta la mortalidad y los días de hospitalización. Por otro lado, el índice neutrófilo/linfocito ha demostrado ser un predictor independiente de mortalidad y pronóstico en diversas enfermedades inflamatorias e infecciosas, siendo un indicador sensible en procesos inflamatorios con alto valor predictivo y pronóstico validado.  Objetivo:  analizar el desempeño del índice neutrófilo/linfocito en comparación con el riesgo nutricional valorado por la escala NUTRIC Score modificada en pacientes críticamente enfermos que ingresan a la Unidad de Terapia Intensiva del Hospital Ángeles Mocel del grupo Ángeles Health System de la Ciudad de México.  Material y métodos:  estudio analítico, descriptivo, retrospectivo, transversal en el periodo del 1 de marzo de 2023 al 29 de febrero de 2024. Los criterios de inclusión fueron pacientes críticamente enfermos que ingresaron a la unidad de terapia intensiva.  Resultados:  se analizaron 154 expedientes, de los cuales 24 se excluyeron por no contar con datos completos y solo 130 fueron incluidos en el estudio. Del total de pacientes 53.1% correspondió al sexo femenino. De la población de estudio, 9.2% falleció y 90.8% egresó por mejoría clínica. La correlación del índice neutrófilo/linfocito con la escala NUTRIC Score modificada fue r = 0.295 y p = 0.001. Por medio de la mediana se determinó el punto de corte para el índice neutrófilo linfocito de 6.7 × 103/&#956;L con exactitud de 55%, con sensibilidad de 52.8%, especificidad de 65.3%, valor predictivo positivo de 85.9 y valor predictivo negativo de 25.7. Por medio del análisis de curva ROC se obtuvo como punto de corte para el índice neutrófilo/linfocito 2.05 con sensibilidad de 90.7% y especificidad de 91.7%.  Conclusión:  este estudio no mostró diferencia en el valor del cociente neutrófilo/linfocito, por lo que este índice no es un biomarcador que se pueda asociar con el incremento del riesgo de desnutrición en los pacientes críticamente enfermos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  malnutrition is a highly prevalent condition in the intensive care unit and a negative prognostic factor, as it increases mortality and hospital length of stay. On the other hand, the neutrophil-to-lymphocyte ratio has been shown to be an independent predictor of mortality and prognosis in various inflammatory and infectious diseases, serving as a sensitive indicator in inflammatory processes with high predictive and validated prognostic value.  Objective:  to analyze the performance of the neutrophil/lymphocyte index in comparison with the nutritional risk assessed by the modified Nutric score scale in critically ill patients admitted to the Intensive Care Unit of the Ángeles Mocel Hospital of the Ángeles Health System group in Mexico City.  Material and methods:  analytical, descriptive, retrospective, cross-sectional study in the period from March 1, 2023 to February 29, 2024. The inclusion criteria were critically ill patients who were admitted to the intensive care unit.  Results:  154 files were analyzed, of which 24 were excluded due to not having complete data and only 130 were included in the study. Of the total number of patients, 53.1% were female. 9.2% of the study population died and 90.8% were discharged due to clinical improvement. The correlation of the neutrophil/lymphocyte index with the modified Nutric score scale was r = 0.295 and p = 0.001. The cut-off point for the neutrophil-lymphocyte index of 6.7 × 103/&#956;L was determined using the median with an accuracy of 55%, with a sensitivity of 52.8%, specificity of 65.3%, positive predictive value of 85.9 and predictive value negative of 25.7. Through the ROC curve analysis, the cut-off point for the neutrophil/lymphocyte index was obtained as 2.05 with sensitivity of 90.7% and specificity of 91.7%.  Conclusion:  this study did not show a difference in the value of the neutrophil/lymphocyte ratio, so this index is not a biomarker that can be associated with the increased risk of malnutrition in critically ill patients.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução:  a desnutrição é uma condição altamente frequente na unidade de terapia intensiva e é um fator de prognóstico negativo, aumentando a mortalidade e os dias de internamento. Por outro lado, o índice neutrófilo-linfócito tem demonstrado ser um preditor independente de mortalidade e prognóstico em diversas entidades patológicas como as doenças inflamatórias e infecciosas, sendo um indicador sensível nos processos inflamatórios com elevado valor preditivo e prognóstico validado.  Objetivo:  analisar o desempenho do índice Neutrófilos/Linfócitos em comparação com o risco nutricional avaliado pela escala de Nutric score modificada em pacientes em estado crítico internados na unidade de terapia intensiva do Hospital Ángeles Mocel do grupo Ángeles Health System na Cidade do México. Material e método: estudo analítico, descritivo, retrospectivo, transversal no período de 1o de março de 2023 a 29 de fevereiro de 2024. Os critérios de inclusão foram pacientes em estado crítico internados na unidade de terapia intensiva.  Resultado:  foram analisados 154 processos, dos quais 24 foram excluídos por dados incompletos e apenas 130 foram incluídos no estudo. Do total de pacientes, 53.1% eram do sexo feminino. Da população estudada, 9.2% faleceram e 90.8% tiveram alta devido à melhoria clínica. A correlação do índice de neutrófilos/linfócitos com o Nutric score modificado foi de r = 0.295 e um p = 0.001. Foi determinado pela mediana o ponto de corte para o índice neutrófilo-linfócito de 6.7 × 103/&#956;L com precisão de 55%, com sensibilidade de 52.8%, especificidade de 65.3%, valor preditivo positivo de 85.9 e valor preditivo negativo valor de 25.7. Através da análise da curva ROC, o ponto de corte para o INL foi de 2.05 com uma sensibilidade de 90.7% e uma especificidade de 91.7%.  Conclusão:  este estudo não demonstrou diferença no valor da relação neutrófilos/linfócitos, portanto este índice não é um biomarcador que possa ser associado ao aumento do risco de desnutrição em pacientes em estado crítico.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[paciente en estado crítico]]></kwd>
<kwd lng="es"><![CDATA[desnutrición]]></kwd>
<kwd lng="es"><![CDATA[neutrófilos]]></kwd>
<kwd lng="es"><![CDATA[linfocitos]]></kwd>
<kwd lng="es"><![CDATA[escala Nutric score modificada]]></kwd>
<kwd lng="en"><![CDATA[patient in critical condition]]></kwd>
<kwd lng="en"><![CDATA[malnutrition]]></kwd>
<kwd lng="en"><![CDATA[neutrophils]]></kwd>
<kwd lng="en"><![CDATA[lynphocutes]]></kwd>
<kwd lng="en"><![CDATA[modified Nutric score scale]]></kwd>
<kwd lng="pt"><![CDATA[paciente em estado crítico]]></kwd>
<kwd lng="pt"><![CDATA[desnutrição]]></kwd>
<kwd lng="pt"><![CDATA[neutrófilos]]></kwd>
<kwd lng="pt"><![CDATA[linfócitos]]></kwd>
<kwd lng="pt"><![CDATA[Nutric score modificada]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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