<?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>0138-6557</journal-id>
<journal-title><![CDATA[Revista Cubana de Medicina Militar]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cub Med Mil]]></abbrev-journal-title>
<issn>0138-6557</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0138-65572020000400012</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Escala de predicción del fracaso de la ventilación no invasiva en la enfermedad pulmonar obstructiva crónica agudizada]]></article-title>
<article-title xml:lang="en"><![CDATA[Prediction scale of non-invasive ventilation failure in acute chronic obstructive pulmonary disease]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navarro Rodríguez]]></surname>
<given-names><![CDATA[Zadis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero García]]></surname>
<given-names><![CDATA[Lázaro Ibrahim]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Provincial &#8220;Saturnino Lora&#8221; Departamento de Cuidados Intensivos ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>49</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0138-65572020000400012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0138-65572020000400012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0138-65572020000400012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  En la actualidad no existen escalas predictivas de fácil aplicación, del fracaso de la ventilación no invasiva en la enfermedad pulmonar obstructiva crónica agudizada.  Objetivos:  Validar una escala predictiva de fracaso de la ventilación no invasiva en un grupo de enfermos a partir de los factores identificados como predictores de fallo.  Métodos:  Se realizó un estudio de cohortes, en pacientes con enfermedad pulmonar obstructiva crónica agudizada, tratados con ventilación no invasiva, egresados de las unidades de atención al paciente grave del Hospital Provincial &#8220;Saturnino Lora&#8221;, desde enero del 2011 a enero del 2016, en quienes se identificaron los factores predictivos de fallo. La muestra quedó conformada por 118 pacientes. En un segundo momento, se diseñó la escala predictiva. Para su validación, se realizó un estudio de cohorte, en una nueva muestra de 82 pacientes con iguales características, desde enero del 2016 a enero del 2019.  Resultados:  La presencia de fugas en la máscara, el inicio de los síntomas de más de 24 horas, la disminución de los valores promedios de la escala de coma de Glasgow y el pH, el incremento de las frecuencias cardiaca y respiratoria y la PaCO2, se asocian con el fracaso de la ventilación no invasiva. Los factores con magnitud causal, fueron la frecuencia respiratoria, la frecuencia cardiaca, y la PaCO2 a las dos horas.  Conclusiones:  La escala predictiva del fracaso de la ventilación no invasiva en la enfermedad pulmonar obstructiva crónica agudizada resulta adecuada para precisar la probabilidad de fallo del proceder terapéutico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  There are currently no predictive scales, easy to apply, for the failure of non-invasive ventilation in acute chronic obstructive pulmonary disease.  Objectives:  To validate a predictive scale of failure of non-invasive ventilation in a group of patients based on the factors identified as predictors of failure.  Methods:  A cohort study was carried out in patients with acute chronic obstructive pulmonary disease, treated with non-invasive ventilation, graduated from the serious patient care units of the &#8220;Saturnino Lora&#8221; Provincial Hospital, from January 2011 to January 2016, in whom the predictive factors of failure were identified. The sample was made up of 118 patients. At a second moment, the predictive scale was designed. For its validation, a cohort study was conducted in a new sample of 82 patients with the same characteristics, recruited from January 2016 to January 2019.  Results: The presence of leaks, the onset of symptoms of more than 24 hours, the decrease in the average values &#8203;&#8203;of the Glasgow Coma Scale and pH, the increase in heart and respiratory rates and PaCO2, are associated with failure of noninvasive ventilation. The factors with causal magnitude were respiratory rate, heart rate, and PaCO2 at two hours.  Conclusions:  The predictive scale of failure of non-invasive ventilation in acute chronic obstructive pulmonary disease is adequate to determine the probability of failure of the therapeutic procedure.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[respiración artificial]]></kwd>
<kwd lng="es"><![CDATA[ventilación no invasiva]]></kwd>
<kwd lng="es"><![CDATA[enfermedad pulmonar obstructiva crónica]]></kwd>
<kwd lng="en"><![CDATA[respiration, artificial]]></kwd>
<kwd lng="en"><![CDATA[noninvasive ventilation]]></kwd>
<kwd lng="en"><![CDATA[chronic obstructive pulmonary disease]]></kwd>
</kwd-group>
</article-meta>
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