<?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>1688-0420</journal-id>
<journal-title><![CDATA[Revista Uruguaya de Cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Urug.Cardiol.]]></abbrev-journal-title>
<issn>1688-0420</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Uruguaya de Cardiología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-04202019000100211</article-id>
<article-id pub-id-type="doi">10.29277/cardio.34.1.15</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Remodelado reverso de la aurícula izquierda posablación de venas pulmonares en la fibrilación auricular: una serie de casos]]></article-title>
<article-title xml:lang="en"><![CDATA[Reverse remodeling of left atrium post pulmonary veins ablation in atrial fibrillation: case series]]></article-title>
<article-title xml:lang="pt"><![CDATA[Remodelação reversa do átrio esquerdo pós-ablação de veias pulmonares na fibrilação atrial: uma série de casos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vásquez]]></surname>
<given-names><![CDATA[Javier Pinos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Américo]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Agorrody]]></surname>
<given-names><![CDATA[Valentina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parma]]></surname>
<given-names><![CDATA[Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivara]]></surname>
<given-names><![CDATA[Álvaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Florio]]></surname>
<given-names><![CDATA[Lucía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Freire]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la República Hospital de Clínicas Centro Cardiovascular Universitario]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<volume>34</volume>
<numero>1</numero>
<fpage>211</fpage>
<lpage>233</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-04202019000100211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-04202019000100211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-04202019000100211&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El aislamiento de las venas pulmonares usando sistemas de navegación en tercera dimensión (3D) es una técnica de uso universal que ha demostrado tasas de éxito significativas en la ablación de la fibrilación auricular (FA). Sin embargo, el remodelado que sufre la aurícula izquierda (AI) posterior a la ablación ha sido escasamente evaluado. Ocho pacientes fueron sometidos a ablación de las venas pulmonares con sistema de mapeo electroanatómico entre marzo de 2016 y marzo de 2017. Se evaluó la AI con ecocardiograma preprocedimiento, y uno y tres meses luego de este, utilizando las siguientes variables: volumen auricular izquierdo en biplano, fracción de eyección de AI (FEAI) y strain reservorio de AI en pared lateral. Para determinar la existencia de recurrencia se realizó Holter de 24 horas e interrogatorio telefónico a los tres y seis meses posablación. Se evidenció remodelado reverso estructural y funcional de la AI en seis pacientes. Aquellos con recurrencia de FA no presentaron remodelado reverso y mostraron mayor deterioro de la función auricular previo a la ablación. Estos hallazgos permiten plantearnos algunas hipótesis a investigar sobre los predictores de recurrencia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: Electrical isolation of the pulmonary veins using third dimension navigation systems is a universal technique that has showed a significant success in atrial fibrillation ablation. Nevertheless, the reverse remodeling suffered by the left atrium after ablation has been scarcely evaluated. Eight patients underwent the ablation of the pulmonary veins with electroanatomic map system, between March 2016 to March 2017. The left atrium was evaluated by echocardiogram pre procedure, and one and three months after ablation, using the following variables: left atrial volume in biplane, ejection fraction of the left atrium and reservoir strain of the left atrium in the lateral wall. To determine the existence of recurrence, Holter of 24 hours was applied and phone calls three and six months after were made. There was evidence of a reverse remodeling structural and functional of the left atrium in six patients. Those with recurrence of atrial fibrillation did not show reverse remodel and showed higher deterioration of the auricular function prior to the ablation. These findings let us make some hypotheses and investigate about recurrence predictors.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo: O isolamento das veias pulmonares, utilizando sistemas de navegação em terceira dimensão, é uma técnica de uso universal que tem sucesso significativo na ablação de fibrilação atrial. No entanto, o remodelamento do átrio esquerdo após a ablação tem sido pouco avaliado. Oito pacientes foram submetidos a ablação de veias pulmonares utilizando mapeamento eletro-anatômico entre março de 2016 e março de 2017. O átrio esquerdo foi avaliado com ecocardiograma no pré-procedimento, e um e três meses após o mesmo, usando as seguintes variáveis: volume do átrio esquerdo em biplano, fração de ejeção do átrio esquerdo e tensão do reservatório do átrio esquerdo na parede lateral. Para determinar a existência de recorrência, Holter de 24 horas e interrogatório por telefone foram realizados três e seis meses após a ablação. A remodelação reversa estrutural e funcional do átrio esquerdo foi observado em seis pacientes. Aqueles com recidiva de fibrilação atrial não apresentaram remodelamento reverso e mostraram maior deterioração da função atrial antes da ablação. Estas descobertas permitem propor algumas hipóteses para investigar sobre os preditores de recorrência.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Fibrilación auricular]]></kwd>
<kwd lng="es"><![CDATA[Ablación por catéter]]></kwd>
<kwd lng="es"><![CDATA[Atrio izquierdo]]></kwd>
<kwd lng="es"><![CDATA[Informes de casos]]></kwd>
<kwd lng="en"><![CDATA[Atrial fibrillation]]></kwd>
<kwd lng="en"><![CDATA[Catheter ablation]]></kwd>
<kwd lng="en"><![CDATA[Left atrium]]></kwd>
<kwd lng="en"><![CDATA[Case reports]]></kwd>
<kwd lng="pt"><![CDATA[Fibrilação atrial]]></kwd>
<kwd lng="pt"><![CDATA[Ablação por cateter]]></kwd>
<kwd lng="pt"><![CDATA[Átrios do Coração]]></kwd>
<kwd lng="pt"><![CDATA[Relatos de Casos]]></kwd>
</kwd-group>
</article-meta>
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