<?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>0034-7523</journal-id>
<journal-title><![CDATA[Revista Cubana de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[Rev cubana med]]></abbrev-journal-title>
<issn>0034-7523</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-75232021000300007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Hiperglucemia en ayuno como factor pronóstico en cirugía cardíaca]]></article-title>
<article-title xml:lang="en"><![CDATA[Fasting hyperglycemia as a prognostic factor in cardiac surgery]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Freijanes]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Buchaca Faxas]]></surname>
<given-names><![CDATA[Emilio F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Amador]]></surname>
<given-names><![CDATA[Lays]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mora Díaz]]></surname>
<given-names><![CDATA[Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Clínico Quirúrgico &#8220;Hermanos Ameijeiras&#8221;  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>60</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75232021000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75232021000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75232021000300007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La hiperglucemia de ayuno es un factor pronóstico en cirugía. Encontrar el umbral de riesgo mayor en cirugía cardiovascular es una necesidad en la práctica médica actual.  Objetivo:  Estimar el umbral glucémico ideal de ayuno para un mejor pronóstico en la evolución clínica de los pacientes sometidos a cirugía cardiaca.  Métodos:  Se realizó un estudio descriptivo prospectivo en pacientes sometidos a cirugía cardíaca, en el Hospital Hermanos Ameijeiras durante el periodo de enero a junio del año 2017. La muestra quedó constituida por 191 pacientes, a todos los pacientes se les determinó glucemia de ayuno. Se empleó la prueba de independencia Ji-cuadrado (X2) para evaluar la asociación entre variables. Se realizó un análisis de regresión logística para identificar el efecto independiente de las variables estudiadas. Además, se construyó una curva Receiver Operating Characteristic Curve (por sus siglas en inglés) en la que se graficaron especificidad 1 y sensibilidad para cada punto de corte definido para los valores glucémicos.  Resultados:  La edad de los pacientes predominó entre 40-69 años, el sexo masculino representó 60,7 % de la muestra, el 55,5 % presentó glucemias normales y solo el 1,6 % presentó glucemias mayores a 15 mmol/L. El 33,5 % presentó algún tipo de complicación, los pacientes que presentaron complicaciones tenían la glucemia por encima de 9,9 mmol/L en el 84,4 %. En el análisis multivariado solo hubo significación estadística para la aparición de complicaciones para la glucemia mayor a 10 mmol/L.  Conclusiones:  La hiperglucemia de ayuno se asoció a mayor riesgo de complicaciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Fasting hyperglycemia is a prognostic factor in surgery. Finding the highest risk threshold in cardiovascular surgery is a necessity in current medical practice.  Objective:  To estimate the ideal fasting glycemic threshold for a better prognosis in the clinical evolution of patients undergoing cardiac surgery.  Methods:  A prospective descriptive study was carried out in patients undergoing cardiac surgery, at &#8220;Hermanos Ameijeiras&#8221; Hospital from January to June 2017. The sample consisted of 191 patients; fasting blood glucose was determined in all patients. The Chi-square (X2) test of independence was used to evaluate the association between variables. A logistic regression analysis was performed to identify the independent effect of the variables studied. In addition, a Receiver Operating Characteristic Curve was constructed in which 1-specificity and sensitivity were plotted for each cut-off point defined for the glycemic values.  Results:  The 40-69 years age of the patients predominated, the male sex represented 60.7% of the sample, 55.5% had normal blood glucose levels and only 1.6% showed blood glucose levels higher than 15 mmol/L. Moreover, 33.5% had some type of complication; the patients with complications had blood glucose levels above 9.9 mmol/L in 84.4%. In the multivariate analysis, there was only statistical significance for the appearance of complications for glycaemia higher than 10 mmol/L.  Conclusions:  Fasting hyperglycemia was associated with higher risk of complications.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[hiperglucemia de ayuno]]></kwd>
<kwd lng="es"><![CDATA[cirugía cardiaca, factores pronósticos]]></kwd>
<kwd lng="en"><![CDATA[fasting hyperglycemia]]></kwd>
<kwd lng="en"><![CDATA[cardiac surgery, prognostic factors]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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