<?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>2954-3835</journal-id>
<journal-title><![CDATA[Cardiovascular and metabolic science]]></journal-title>
<abbrev-journal-title><![CDATA[Cardiovasc. metab. sci]]></abbrev-journal-title>
<issn>2954-3835</issn>
<publisher>
<publisher-name><![CDATA[Asociación Nacional de Cardiólogos de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2954-38352021000400188</article-id>
<article-id pub-id-type="doi">10.35366/102770</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[The emerging added value of cardiac magnetic resonance over echocardiography in the assessment of functional mitral regurgitation]]></article-title>
<article-title xml:lang="es"><![CDATA[El valor añadido emergente de la resonancia magnética cardiaca sobre la ecocardiografía en la evaluación de la insuficiencia mitral funcional]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chango-Azanza]]></surname>
<given-names><![CDATA[Diego X]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosales-Uvera]]></surname>
<given-names><![CDATA[Sandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vásquez]]></surname>
<given-names><![CDATA[Zuilma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Munín]]></surname>
<given-names><![CDATA[Martin A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Obregón]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán" Department of Cardiovascular Imaging ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario del Río Departamento de Imagenología Cardiovascular ]]></institution>
<addr-line><![CDATA[Cuenca ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán" Departamento de Ecocardiografía ]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro de Educación Médica e Investigaciones Clínicas «Norberto Quirno» Department of Cardiovascular Ultrasound ]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto de Cardiologia «Juana F Cabral» Departamento de Imagenología Cardiovascular ]]></institution>
<addr-line><![CDATA[Corrientes ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>32</volume>
<numero>4</numero>
<fpage>188</fpage>
<lpage>196</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2954-38352021000400188&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2954-38352021000400188&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2954-38352021000400188&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: According to a new conceptual viewpoint, functional mitral regurgitation (FMR) is consistent with a variety of structural and dynamic characteristics in several clinical scenarios regarding the involvement of the left ventricle (LV) and the mitral valve (MV) integrity. Echocardiography is, for sure, the first-line cardiac modality to the classification of the etiology and the severity of FMR. However, it does not provide complete and accurate information on the LV compromise and tends to have some methodological errors in calculations. Cardiac magnetic resonance (CMR) is the gold standard technique for LV volumes, left ventricular ejection fraction (LVEF) and could fully integrate LV tissue characterization in several cardiomyopathies and allow the quantitative estimation of the severity valve insufficiency and could help to guide better clinical decision-making.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: De acuerdo con un nuevo punto de vista conceptual, la insuficiencia mitral funcional es consistente con una variedad de características estructurales y dinámicas en varios escenarios clínicos con respecto a la afectación del ventrículo izquierdo (VI) y la integridad de la válvula mitral. La ecocardiografía es sin duda, la modalidad cardíaca de primera línea para la clasificación de la etiología y la gravedad de la insuficiencia mitral funcional. Sin embargo, no proporciona información completa y precisa del compromiso del VI y tiende a tener algunos errores metodológicos en los cálculos en su estimación. La resonancia magnética cardíaca es la técnica de referencia para la estimación de los volúmenes y la fracción de eyección del VI y podría integrar el estudio de la caracterización tisular del VI en varias miocardiopatías; permite la estimación cuantitativa de la gravedad de la insuficiencia valvular y podría mejorar la toma de decisiones clínicas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Functional mitral regurgitation]]></kwd>
<kwd lng="en"><![CDATA[multimodality cardiac imaging]]></kwd>
<kwd lng="en"><![CDATA[cardiac magnetic resonance]]></kwd>
<kwd lng="en"><![CDATA[regurgitant fraction]]></kwd>
<kwd lng="es"><![CDATA[Insuficiencia mitral funcional]]></kwd>
<kwd lng="es"><![CDATA[imagen multimodal cardiaca]]></kwd>
<kwd lng="es"><![CDATA[resonancia magnética cardiaca]]></kwd>
<kwd lng="es"><![CDATA[fracción regurgitante]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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