<?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>S2448-89092023000700542</article-id>
<article-id pub-id-type="doi">10.35366/114854</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Asociación entre disnatremias y mortalidad en pacientes con ventilación mecánica invasiva por SDRA secundario a COVID-19]]></article-title>
<article-title xml:lang="en"><![CDATA[Association between dysnatremias and mortality in patients with invasive mechanical ventilation due to ARDS secondary to COVID-19]]></article-title>
<article-title xml:lang="pt"><![CDATA[Associação entre disnatremias e mortalidade em pacientes com ventilação mecânica invasiva por SDRA secundária à COVID-19]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lozano García]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Díaz]]></surname>
<given-names><![CDATA[Jesús Salvador]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peniche Moguel]]></surname>
<given-names><![CDATA[Karla Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Canseco González]]></surname>
<given-names><![CDATA[Erik]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escarramán Martínez]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calyeca Sánchez]]></surname>
<given-names><![CDATA[María Verónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional «Adolfo Ruiz Cortines» Hospital de Especialidades No. 14]]></institution>
<addr-line><![CDATA[Veracruz ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional La Raza ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></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>7</numero>
<fpage>542</fpage>
<lpage>546</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-89092023000700542&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-89092023000700542&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-89092023000700542&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  la hiponatremia prevalece hasta en 44% de los pacientes con enfermedad por coronavirus 2019 (COVID-19), variando los niveles según la gravedad de la enfermedad. En el síndrome de distrés respiratorio agudo (SDRA) por SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) los niveles elevados de IL-6 favorecen la secreción no osmótica de vasopresina, esto puede ocasionar que coexista hiponatremia, siendo un marcador de mal pronóstico.  Objetivo:  evaluar la asociación entre disnatremias y mortalidad en los pacientes con ventilación mecánica invasiva (VMI) por SDRA secundario a COVID-19.  Material y métodos:  estudio cohorte, retrospectivo, observacional y analítico. Se realizó en la Unidad de Cuidados Intensivos (UCI) entre el 1 de mayo de 2020 al 31 de diciembre de 2022. Consistió en la revisión de expedientes médicos de los pacientes que cumplieron con los criterios de inclusión. Se clasificaron de acuerdo al desenlace: sobreviviente y no sobreviviente.  Resultados:  se incluyó a 92 pacientes; el grupo sobrevivientes involucró a 40 pacientes y el de no sobrevivientes a 52. La media de SAPS II fue de 72 y 80 puntos (p = 0.004) para el grupo de sobrevivientes y no sobrevivientes, respectivamente. Se calculó el OR de los trastornos del sodio, destacando la hiponatremia como factor de riesgo para mortalidad OR 4.35 (IC95% 1.10-17.09) con p = 0.03 con AUC 0.86 (IC95% 0.79-0.93; p = 0.001).  Conclusión:  la hiponatremia al ingreso a la UCI es un factor de riesgo independiente para mortalidad en los pacientes con ventilación mecánica invasiva por SDRA secundario a COVID-19.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  hyponatremia prevails in up to 44% of patients with coronavirus disease 2019 (COVID-19), with levels varying depending on the severity of the disease. In acute respiratory distress syndrome (ARDS) due to SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2), high levels of IL-6 favor the non-osmotic secretion of vasopressin, this can cause hyponatremia to coexist, being a marker of illness. forecast. AIM.  Objective:  to evaluate the association between dysnatremia and mortality in patients with invasive mechanical ventilation (IMV) due to ARDS secondary to COVID-19.  Material and methods:  cohort, retrospective, observational and analytical study. It was carried out in the Intensive Care Unit (ICU) between May 1, 2020 and December 31, 2022. It consisted of reviewing the medical records of patients who met the inclusion criteria. They were classified according to the outcome: survivor and non-survivor.  Results:  92 patients were included; the surviving group included 40 patients and 52 non-surviving patients. The mean SAPS II score was 72 and 80 points (p = 0.004) for the survivor and non-survivor group, respectively. The OR of sodium disorders was calculated, highlighting hyponatremia as a risk factor for mortality OR 4.35 (95% CI 1.10-17.09) with p = 0.03 with AUC 0.86 (95% CI 0.79-0.93; p = 0.001).  Conclusion:  hyponatremia upon admission to the ICU is an independent risk factor for mortality in patients with IMV due to ARDS secondary to COVID-19.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução:  a hiponatremia prevalece em até 44% dos pacientes com doença por coronavírus 2019 (COVID-19), com níveis variando dependendo da gravidade da doença. Na síndrome do desconforto respiratório agudo (SDRA) por SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2), os níveis elevados de IL-6 favorecem a secreção não osmótica de vasopressina, isso pode causar a coexistência de hiponatremia, sendo um marcador de mau prognóstico.  Objetivo:  avaliar a associação entre disnatremia e mortalidade em pacientes com ventilação mecânica invasiva (VMI) por SDRA secundária à COVID-19.  Material e métodos:  estudo de coorte, retrospectivo, observacional e analítico. Realizou-se na Unidade de Terapia Intensiva (UTI) entre 1o de maio de 2020 e 31 de dezembro de 2022. Consistiu na revisão dos prontuários dos pacientes que atendiam aos critérios de inclusão. Foram classificados de acordo com o desfecho: sobrevivente e não sobrevivente.  Resultados:  incluíram-se 92 pacientes; o grupo sobrevivente incluiu 40 pacientes e 52 pacientes não sobreviventes. A pontuação média do SAPS II foi de 72 e 80 pontos (p = 0.004) para o grupo sobrevivente e não sobrevivente, respectivamente. Calculou-se o OR dos distúrbios do sódio, destacando a hiponatremia como fator de risco para mortalidade OR 4.35 (IC95% 1.10-17.09) com p = 0.03 com AUC 0.86 (IC95% 0.79-0.93; p = 0.001).  Conclusão:  a hiponatremia na admissão na UTI é um fator de risco independente para mortalidade em pacientes com VMI por SDRA secundária à COVID-19.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[SDRA]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[hiponatremia]]></kwd>
<kwd lng="es"><![CDATA[mortalidad]]></kwd>
<kwd lng="en"><![CDATA[ARDS]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[hyponatremia]]></kwd>
<kwd lng="en"><![CDATA[mortality]]></kwd>
<kwd lng="pt"><![CDATA[SDRA]]></kwd>
<kwd lng="pt"><![CDATA[COVID-19]]></kwd>
<kwd lng="pt"><![CDATA[hiponatremia]]></kwd>
<kwd lng="pt"><![CDATA[mortalidade]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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