<?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>S2448-89092024000300182</article-id>
<article-id pub-id-type="doi">10.35366/117781</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia de la posición en decúbito prono temprana en pacientes bajo ventilación mecánica invasiva con COVID-19 en un centro en México]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence of early prone positioning in patients under invasive mechanical ventilation with COVID-19 in a center in Mexico]]></article-title>
<article-title xml:lang="pt"><![CDATA[Prevalência da posição prona precoce en pacientes sob ventilação mecânica invasiva com COVID-19 em um centro no México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olivares-Gazca]]></surname>
<given-names><![CDATA[Jesús Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Méndez]]></surname>
<given-names><![CDATA[Ayari]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vidal-Mayo]]></surname>
<given-names><![CDATA[José de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A1"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de la Puente Diaz de León]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Médica Sur  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Ciencias Médicas y Nutrición «Salvador Zubirán»  ]]></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>3</numero>
<fpage>182</fpage>
<lpage>188</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-89092024000300182&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-89092024000300182&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-89092024000300182&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  diversos estudios en pacientes con síndrome de insuficiencia respiratoria aguda, bajo ventilación mecánica invasiva en posición prono, han permitido confirmar una mejoría en la oxigenación y en la mortalidad. El objetivo principal fue determinar la prevalencia del uso temprano de la posición en decúbito prono en pacientes con ventilación mecánica invasiva con COVID-19.  Material y métodos:  se consultaron los expedientes de pacientes con diagnóstico de COVID-19 que ameritaron ventilación mecánica invasiva de marzo 2020 a marzo 2022. Se realizó un análisis descriptivo a través de medidas de tendencia central, además de análisis bivariados y modelos de regresión logística para determinar el riesgo de mortalidad.  Resultados:  se incluyeron un total de 456 pacientes, de los cuales 348 eran hombres, con mediana de edad de 57 años. En el análisis bivariado se localizaron diferencias estadísticas significativas en las variables de edad, días con intubación, leucocitos, dímero D, ausencia de complicaciones, entre otros; en la regresión logística sólo presentaron significancia los días de intubación y la edad.  Conclusiones:  el uso de la posición prono durante las primeras 24 horas posteriores al inicio de la ventilación mecánica invasiva en pacientes con SARS-COV-2 fue común en el tratamiento; sin embargo, no se logró establecer una relación significativa entre su uso y la mortalidad a 30 días.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  various studies on patients with severe acute respiratory distress syndrome (SARS) undergoing invasive mechanical ventilation in the prone position have confirmed improvements in oxygenation and mortality. The main objective was to determine the prevalence of early use of the prone position in patients undergoing invasive mechanical ventilation with COVID-19.  Material and methods:  the records of patients diagnosed with COVID-19 who required invasive mechanical ventilation from March 2020 to March 2022 were consulted. A descriptive analysis was performed using measures of central tendency, as well as bivariate analysis and logistic regression models to determine the risk of mortality.  Results:  a total of 456 patients were included, of which 348 were male, with a median age of 57 years. In the bivariate analysis, statistically significant differences were found in the variables of age, days on ventilation, leukocytes, D-dimer, absence of complications, among others; in logistic regression, only the days on ventilation and age showed significance.  Conclusions:  the use of the prone position during the first 24 hours after the initiation of invasive mechanical ventilation in patients with SARS-CoV-2 was common in treatment; however, a significant relationship between its use and 30-day mortality was not established.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução:  vários estudos em pacientes com síndrome de insuficiência respiratória aguda, sob ventilação mecânica invasiva em posição prona, confirmaram uma melhora na oxigenação e na qualidade de vida. O principal objetivo foi determinar a prevalência do uso precoce da posição prona em pacientes em ventilação mecânica invasiva com COVID-19.  Material e métodos:  consultamos os registros de pacientes diagnosticados com COVID-19 que necessitaram de ventilação mecânica invasiva em março de 2020 a março de 2022. Foi realizada uma análise descritiva usando medidas de tendência central, análise bivariada e modelos de regressão logística para determinar o risco de mortalidade.  Resultados:  foram incluídos 456 pacientes, dos quais 348 eram homens, com idade média de 57 anos. Na análise bivariada, foram encontradas diferenças estatísticas significativas nas variáveis de idade, dias de intubação, leucócitos, dímero-D, ausência de complicações, entre outras; na regressão logística, apenas os dias de intubação e a idade foram significativos.  Conclusões:  o uso de posição prona durante as primeiras 24 horas após o início da ventilação mecânica invasiva em pacientes com SARS-CoV-2 foi comum no tratamento; entretanto, não foi estabelecida uma relação significativa entre seu uso e a mortalidade em 30 dias.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[posición prono]]></kwd>
<kwd lng="es"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="es"><![CDATA[mortalidad]]></kwd>
<kwd lng="es"><![CDATA[unidad de cuidados intensivos]]></kwd>
<kwd lng="en"><![CDATA[prone position]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="en"><![CDATA[mortality]]></kwd>
<kwd lng="en"><![CDATA[intensive care unit]]></kwd>
<kwd lng="pt"><![CDATA[posição prona]]></kwd>
<kwd lng="pt"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="pt"><![CDATA[mortalidade]]></kwd>
<kwd lng="pt"><![CDATA[unidade de terapia intensiva]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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