<?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>0120-5633</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Colomb. Cardiol.]]></abbrev-journal-title>
<issn>0120-5633</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Colombiana de Cardiologia. Oficina de Publicaciones]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-56332022000200240</article-id>
<article-id pub-id-type="doi">10.24875/rccar.m22000132</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Implante de un electrodo de estimulación ventricular izquierdo mediante doble canulación del seno coronario, técnica de snare y acceso retrógrado de la vena posterolateral]]></article-title>
<article-title xml:lang="en"><![CDATA[Implant of a left ventricular pacing electrode by double cannulation of the coronary sinus, snare technique and retrograde access of the posterolateral vein]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arroyo]]></surname>
<given-names><![CDATA[Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tejeda]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tapias]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sáenz]]></surname>
<given-names><![CDATA[Luis Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Fundación Cardioinfantil Centro Internacional de Arritmias ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de La Sabana Programa de Electrofisiología ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Fundación Cardioinfantil Programa de Electrofisiología ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>29</volume>
<numero>2</numero>
<fpage>240</fpage>
<lpage>243</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-56332022000200240&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-56332022000200240&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-56332022000200240&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El implante percutáneo de un electrodo de estimulación ventricular izquierdo a través del seno coronario para resincronización cardiaca siempre ha implicado un reto y más aún en pacientes con anatomía venosa coronaria compleja. Este caso demuestra cómo una técnica de doble canulación del seno coronario con uso de catéter multi-snare permite la colocación exitosa de un electrodo de estimulación ventricular izquierdo mediante acceso retrógrado a una vena posterolateral estenótica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The percutaneous implantation of a left ventricular pacing electrode through the coronary sinus for cardiac resynchronization has always been a challenge, especially in patients with a complex coronary venous anatomy. This case shows how double cannulation of the coronary sinus using a multisnare catheter allows a left ventricular pacing electrode to be placed through retrograde access to a stenotic posterolateral vein, with a good clinical outcome.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Resincronización cardiaca]]></kwd>
<kwd lng="es"><![CDATA[Seno coronario]]></kwd>
<kwd lng="es"><![CDATA[Técnica de snare]]></kwd>
<kwd lng="es"><![CDATA[Electrodo ventricular izquierdo]]></kwd>
<kwd lng="es"><![CDATA[Vena posterolateral]]></kwd>
<kwd lng="en"><![CDATA[Cardiac resynchronization]]></kwd>
<kwd lng="en"><![CDATA[Coronary sinus]]></kwd>
<kwd lng="en"><![CDATA[Snare technique]]></kwd>
<kwd lng="en"><![CDATA[Left ventricular electrode]]></kwd>
<kwd lng="en"><![CDATA[Posterolateral vein]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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