<?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>1409-4142</journal-id>
<journal-title><![CDATA[Revista Costarricense de Cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. costarric. cardiol]]></abbrev-journal-title>
<issn>1409-4142</issn>
<publisher>
<publisher-name><![CDATA[Asociación Costarricense de Cardiología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1409-41422020000200041</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Insuficiencia Mitral Severa secundaria a &#8220;Cleft&#8221; Mitral Aislado: revisión a partir de un caso clínico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Bolaños]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Murillo Montero]]></surname>
<given-names><![CDATA[Alexander]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huertas Guillén]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital México  Posgrado UCR]]></institution>
<addr-line><![CDATA[San José ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Alajuela  ]]></institution>
<addr-line><![CDATA[Alajuela ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Nacional de Niños  ]]></institution>
<addr-line><![CDATA[San José ]]></addr-line>
<country>Costa Rica</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>22</volume>
<numero>2</numero>
<fpage>41</fpage>
<lpage>45</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1409-41422020000200041&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1409-41422020000200041&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1409-41422020000200041&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El &#8220;cleft&#8221; mitral es un defecto congénito raro que se encuentra comúnmente asociado a otras patologías no obstante, en raras ocasiones puede encontrarse como un defecto aislado. Dicho hallazgo es de suma importancia desde el punto de vista clínico ya que es una causa reparable de insuficiencia mitral, sin necesidad de someterse a reemplazo valvular. Su diagnóstico es primariamente mediante ecocardiografía, en la que el uso del 3D como técnica permite la correcta delimitación de la extensión de la lesión, así como la valoración a detalle del resto del aparato valvular mitral. Presentamos un caso de Insuficiencia Mitral severa en la infancia de causa no clara en un inicio, en la cual, por medio de ecocardiografía transtorácica 3D se logró identificar una hendidura aislada de la valva anterior como etiología y descartar otras posibles etiologías y/o mecanismos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Severe Mitral Insufficiency secondary to Isolated Mitral Cleft: Review from a clinical case Severe mitral valve reguritacion secondary to an Isolated cleft of the mitral valve: a review based on a clinical case Mitral Cleft is a rare congenital defect that is commonly associated with others pathologies; nevertheless, in rare occasions it can be found as an isolated defect. This finding is paramount from clinical perspective as it is a reparable defect and not necessarily ends in valvular replacement. Its assessment is primarily by transthoracic echocardiography with the addition of 3D technology that provides a more detailed delimitation of the extent of the lesion, as well as detailed assessment of the whole mitral valve apparatus. In this article, we present a case of severe mitral regurgitation without a clear ethiology at glance, but posteriorly identified with the aid of transthoracic 3D echocardiography, as an isolated mitral cleft and also, allowed to rule out other possible etiologies and mechanisms.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[hendidura aislada válvula mitral]]></kwd>
<kwd lng="es"><![CDATA[cleft mitral]]></kwd>
<kwd lng="es"><![CDATA[insuficiencia mitral severa]]></kwd>
<kwd lng="es"><![CDATA[cardiopatía congénita]]></kwd>
<kwd lng="es"><![CDATA[ecocardiografía- 3D]]></kwd>
<kwd lng="es"><![CDATA[reparación valvular]]></kwd>
<kwd lng="en"><![CDATA[isolated cleft mitral valve]]></kwd>
<kwd lng="en"><![CDATA[mitral valve cleft]]></kwd>
<kwd lng="en"><![CDATA[severe mitral valve regurgitacion]]></kwd>
<kwd lng="en"><![CDATA[congenital heart disease]]></kwd>
<kwd lng="en"><![CDATA[3Dechocardiography]]></kwd>
<kwd lng="en"><![CDATA[valve repair]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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