<?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>1405-9940</journal-id>
<journal-title><![CDATA[Archivos de cardiología de México]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Cardiol. Méx.]]></abbrev-journal-title>
<issn>1405-9940</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Cardiología Ignacio Chávez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-99402016000100079</article-id>
<article-id pub-id-type="doi">10.1016/j.acmx.2015.05.006</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Evaluation of left ventricular function using volumetric computed tomography in the clinical setting]]></article-title>
<article-title xml:lang="es"><![CDATA[Evaluación de la función ventricular con tomografía computada volumétrica en el ámbito clínico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peña-Almaguer]]></surname>
<given-names><![CDATA[Erasmo de la]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trevino]]></surname>
<given-names><![CDATA[Alejandro R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sierra-Galan]]></surname>
<given-names><![CDATA[Lilia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Azpiri-Lopez]]></surname>
<given-names><![CDATA[José R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Assad-Morell]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kirsch]]></surname>
<given-names><![CDATA[Jacobo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[Su Min]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Tecnológico de Monterrey Escuela de Medicina y Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[San Pedro Garza García Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Tecnológico de Monterrey Escuela de Medicina y Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Monterrey Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro Médico ABC Departamento de Cardiología ]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Monterrey Escuela de Medicina ]]></institution>
<addr-line><![CDATA[Monterrey Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Cleveland Clinic Florida Hospital Department of Radiology ]]></institution>
<addr-line><![CDATA[Weston FL]]></addr-line>
<country>USA</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Weill Cornell College of Medicine The Methodist Hospital DeBakey Heart and Vascular Center]]></institution>
<addr-line><![CDATA[Houston TX]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<volume>86</volume>
<numero>1</numero>
<fpage>79</fpage>
<lpage>84</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402016000100079&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-99402016000100079&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-99402016000100079&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objective:  To correlate the left ventricular parameters obtained with 64-slice Volumetric Computed Tomography (VCT) with those obtained with the reference standard, cardiovascular magnetic resonance (CMR) imaging.  Methods:  VCT and a 3.0 T MRI scanner were used. Results from both studies were independently evaluated by two cardiologists. A linear correlation and a paired Student's t test were used to analyze the data with a P &lt; 0.05 being considered significant.  Results:  Thirty consecutive patients were evaluated with VCT and CMR. The left ventricular indices for CMR and VCT were, respectively, mass 86.4 ± 25.8 vs. 82.7 ± 27.6 g (P = 0.31); ESV 45.5 ± 27.8 vs. 48.7 ± 40.4 ml (P = .405); EDV 101.3 ± 32.7 vs. 105.1 ± 44.0 ml (P = 0.475); SV 55.9 ± 16.1 vs. 56.8 ± 15.6 ml (P = 0.713); LVEF 57.5 ± 13.2% vs. 56.9 ± 12.4% (P = 0.630). No differences in intraobserver variability for both methods were found, CT r = 0.96, r 2 = 0.92 P &lt; 0.0001 and MR r = 0.96 r 2 = 0.93 P &lt; 0.0001. There was no significant statistical difference in the presence of artifacts.  Conclusion:  There is a close correlation between CMRI and VCT in the evaluation of LV function. VCT is as useful as 3 T CMR, and could be incorporated as another resource for evaluating LV function.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo:  Correlacionar los parámetros del ventrículo izquierdo obtenidos con la tomografía computarizada volumétrica (TCV) de 64 cortes con el estándar de referencia, la resonancia magnética cardiaca (RMC).  Métodos:  Se usó una TCV de 64 cortes y una RMC de 3.0 Teslas. Ambos estudios fueron interpretados de manera independiente por dos cardiólogos. Los datos se analizaron con la prueba t de Student y una correlación lineal, resultando significativo valores de P &lt; 0.05.  Resultados:  Treinta pacientes consecutivos fueron evaluados con TCV y RMC. Los índices del ventrículo izquierdo mediante RMC y TCV fueron, respectivamente, masa 86.4 ± 25.8 vs. 82.7 ± 27.6 g (P = 0.31); volumen telesistólico 45.5 ± 27.8 vs. 48.7 ± 40.4 ml (P = 0.405); volumen telediastólico 101.3 ± 32.7 vs. 105.1 ± 44.0 ml (P = 0.475); volumen latido 55.9 ± 16.1 vs. 56.8 ± 15.6 ml (P = 0.713); fracción de eyección de ventrículo izquierdo 57.5 ± 13.2% vs. 56.9 ± 12.4% (P = 0.630). No hubo diferencias entre la variabilidad intraobservador para ambos métodos, CT r = 0.96 r2= 0.92 P &lt; 0.0001 y MR r = 0.96 r2r = 0.93, P &lt; 0.0001. No se encontraron diferencias significativas en la presencia de artefactos.  Conclusión:  Hay correlación estrecha entre RMC y TCV en la evaluación de la función ventricular. La TCV es tan útil como la RMC y pudiera incorporarse como otro recurso para valorar la función ventricular.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Computed tomography]]></kwd>
<kwd lng="en"><![CDATA[Cardiovascular magnetic resonance]]></kwd>
<kwd lng="en"><![CDATA[Ejection fraction]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
<kwd lng="es"><![CDATA[Tomografía computarizada]]></kwd>
<kwd lng="es"><![CDATA[Resonancia magnética cardiaca]]></kwd>
<kwd lng="es"><![CDATA[Fracción de eyección]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
</kwd-group>
</article-meta>
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