<?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>S2448-89092023000200106</article-id>
<article-id pub-id-type="doi">10.35366/110445</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Índice de choque elevado como factor de riesgo de progresión de la disfunción orgánica: cohorte prospectiva]]></article-title>
<article-title xml:lang="en"><![CDATA[High shock index as a risk factor for organ dysfunction progression: prospective cohort]]></article-title>
<article-title xml:lang="pt"><![CDATA[Índice de choque elevado como fator de risco para a progressão da disfunção orgânica: coorte prospectiva]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereyra-Guzmán]]></surname>
<given-names><![CDATA[Eric]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Toledo-Salinas]]></surname>
<given-names><![CDATA[Otoniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital General Regional No. 1 «Dr. Carlos MacGregor Sánchez Navarro» ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional «La Raza» Hospital de Especialidades «Dr. Antonio Fraga Mouret»]]></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>2</numero>
<fpage>106</fpage>
<lpage>112</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-89092023000200106&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-89092023000200106&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-89092023000200106&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  la relación entre la frecuencia cardiaca y la tensión arterial sistólica ha sido denominada índice de choque. La progresión de la disfunción orgánica (PDO) se asocia a incremento en la mortalidad.  Objetivo:  determinar si el índice de choque elevado es factor de riesgo de PDO en pacientes con choque circulatorio.  Material y métodos:  estudio observacional, analítico y prospectivo en pacientes con choque circulatorio. Se calculó el índice de choque al ingreso, 24, 48 y 72 horas. Se consideró elevado un índice de choque &gt; 0.70 latidos por minuto/mmHg. Se definió como PDO un incremento en el puntaje SOFA (Sequential Organ Failure Assessment) &#8805; 2 puntos a las 72 horas. Se realizó análisis de regresión logística para calcular la fuerza de asociación del índice de choque con la PDO.  Resultados:  se analizaron 90 pacientes, 64.4% de los participantes presentaron índice de choque elevado con mediana de 0.94 (0.81-1.15) latidos por minuto/mmHg. El porcentaje de PDO en el grupo con índice de choque elevado fue 25.86 versus 9.37%, p = 0.09. El análisis de regresión logística multivariado mostró en el índice de choque elevado un OR de 4.11 (1.00-16.92), p = 0.05.  Conclusiones:  el índice de choque &gt; 0.70 latidos por minuto/mmHg al ingreso es un factor de riesgo de PDO en los pacientes con choque circulatorio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  the relationship between heart rate and systolic blood pressure has been called shock index (SI). The progressive organ dysfunction (POD) is associated with increased mortality.  Objective:  to determine whether elevated shock index is a risk factor for POD in patients with circulatory shock.  Material and methods:  observational and prospective study in patients with circulatory shock. The shock index at admission, 24, 48 and 72 hours was calculated. A shock index &gt; 0.70 beats per minute/mmHg was considered elevated. POD was defined as an increase in the SOFA score (Sequential Organ Failure Assessment) &#8805; 2 points at 72 hours. Logistic regression analysis was performed to calculate the strength of association of the shock index with POD.  Results:  90 patients were analyzed, 64.4% of participants had elevated shock index with median of 0.94 (0.81-1.15) beats per minute/mmHg. The percentage of POD in the group with high shock index was 25.86% vs 9.37%, p = 0.09. Multivariate logistic regression analysis showed an OR of 4.11 (1.00-16.92), p = 0.05 for the elevated shock index.  Conclusions:  the shock index &gt; 0.70 beats per minute/mmHg on admission is a risk factor for POD in patients with circulatory shock.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução:  a relação entre frequência cardíaca e pressão arterial sistólica foi denominada índice de choque. A progressão da disfunção orgânica (PDO) está associada a um aumento da mortalidade  Objetivo:  determinar se o índice de choque elevado é um fator de risco para PDO em pacientes com choque circulatório.  Material e métodos:  estudo observacional, analítico e prospectivo em pacientes com choque circulatório. Calculou-se o índice de choque na admissão, 24, 48 e 72 horas. Considerou-se elevado um índice de choque &gt; 0.70 batimentos por minuto/mmHg. A PDO foi definida como um aumento no escore SOFA (Sequential Organ Failure Assessment) &#8805; 2 pontos em 72 horas. A análise de regressão logística foi realizada para calcular a força da associação de índice de choque com PDO.  Resultados:  analisaram-se 90 pacientes, 64.4% dos participantes apresentaram índice de choque elevado com mediana de 0.94 (0.81-1.15) batimentos por minuto/mmHg. A porcentagem de PDO no grupo com índice de choque elevado foi de 25.86 vs 9.37%, p = 0.09. A análise de regressão logística multivariada mostrou para o índice de choque elevado um OR de 4.11 (1.00-16.92), p = 0.05.  Conclusões:  índice de choque &gt; 0.70 batimentos por minuto/mmHg na admissão é fator de risco para DOP em pacientes com choque circulatório.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[choque]]></kwd>
<kwd lng="es"><![CDATA[índice de choque]]></kwd>
<kwd lng="es"><![CDATA[puntuaciones en la disfunción de órganos]]></kwd>
<kwd lng="es"><![CDATA[enfermedad crítica]]></kwd>
<kwd lng="en"><![CDATA[shock]]></kwd>
<kwd lng="en"><![CDATA[shock index]]></kwd>
<kwd lng="en"><![CDATA[scores on organ dysfunction]]></kwd>
<kwd lng="en"><![CDATA[critical illness]]></kwd>
<kwd lng="pt"><![CDATA[choque]]></kwd>
<kwd lng="pt"><![CDATA[índice de choque]]></kwd>
<kwd lng="pt"><![CDATA[pontuações de disfunção de órgãos]]></kwd>
<kwd lng="pt"><![CDATA[doença grave]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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