<?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>S2954-38352022000100008</article-id>
<article-id pub-id-type="doi">10.35366/104032</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Triplane left atrial strain]]></article-title>
<article-title xml:lang="es"><![CDATA[Strain de aurícula izquierda triplanar]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Del Río]]></surname>
<given-names><![CDATA[Jorge Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-Méndez]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cepeda-Rocha]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Miranda-Aquino]]></surname>
<given-names><![CDATA[Tomás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Machuca-Hernández]]></surname>
<given-names><![CDATA[Michel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guadalajara Hospital Civil de Guadalajara ]]></institution>
<addr-line><![CDATA[Guadalajara ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guadalajara Hospital Civil de Guadalajara ]]></institution>
<addr-line><![CDATA[Guadalajara ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Guadalajara Hospital Civil de Guadalajara ]]></institution>
<addr-line><![CDATA[Guadalajara ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Guadalajara Hospital Civil de Guadalajara ]]></institution>
<addr-line><![CDATA[Guadalajara ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>33</volume>
<numero>1</numero>
<fpage>8</fpage>
<lpage>16</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2954-38352022000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2954-38352022000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2954-38352022000100008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Left atrial strain, assessed by two-dimensional echocardiography with speckle tracking, has emerged as an important part of the evaluation of the atrial function in different pathologies. The objective was to compare the percentage of myocardial deformation of the left atrium evaluated by monoplanar, biplanar and triplanar measurement. The study was a Cross-sectional, prospective, observational, analytical and single-center, atrial deformation was examined using the syngo® Velocity Vector Imaging technology software. It was predetermined to use the apical 4, 2 and 3-chamber views to calculate myocardial deformation. Patients older than 18 without cardiovascular risk factors, without previous chronic, infectious, or congenital diseases were included. A total of 126 healthy patients were collected, of which 71 (56%) were male, the mean age of the population was 38 years (± 16). Intraobserver and interobserver variability were adequate. The different values of the left atrium were compared. For the reservoir strain, only a significant difference was found between the apical 3-chamber and apical 2-chamber values reported; in pump strain, there were no significant differences in values obtained; for the conduit strain, again the apical 3-chamber view was the lowest, finding a significant difference with the apical 4c, apical 2c and biplane views. The concordance of the reservoir strain of each apical view was independently related to the biplane and triplane views, finding that both apical 2c and 4c views had a good concordance with both biplane and triplane views. However, the apical 3c view had a lower concordance. The same was found for pump strain and conduit strain, being Apical 2c and 4c views superior.  Conclusion:  The 3-chamber view has different left atrial strain values than the other apical views, and the concordance of all other values of left atrium examination are similar; hence it is not further significant to perform a biplane or triplane examination. Based on the information obtained, the 3-chamber view should not be used, and a monoplane evaluation can be used, either the 4-chamber or 2-chamber views with similar concordance among them.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El strain de aurícula izquierda evaluado mediante ecocardiografía bidimensional con speckle tracking se ha convertido en una importante parte de la evaluación de la función auricular en diferentes patologías. El objetivo fue comparar el porcentaje de deformación miocárdica de la aurícula izquierda evaluado mediante medición monoplanar, biplanar y triplanar. El estudio fue transversal, prospectivo, observacional, analítico y unicéntrico, la deformación auricular fue evaluada utilizando la deformación de la aurícula izquierda, se obtuvo utilizando el software syngo® Velocity Vector Imaging technology. Se determinó utilizar la vista apical 4, 2 y 3 cámaras para poder calcular la deformación miocárdica. Pacientes mayores de 18 sin factores de riesgo cardiovascular sin enfermedades previas crónicas, infecciosas o congénitas fueron incluidos. Se recabaron en total 126 pacientes sanos, de los cuales 71 (56%) eran del género masculino, la media de edad de la población fue de 38 años (± 16). La variabilidad intraobservador e interobservador fue adecuada. Se compararon los diferentes valores de la aurícula izquierda, en el strain reservorio, sólo se encontró diferencia significativa entre los valores de apical 3 cámaras y el apical 2 cámaras; en el strain bomba no hubo diferencias significativas en los valores; en el strain conducto nuevamente la vista apical 3c fue la menor, encontrando diferencia significativa con el apical 4c, apical 2c y biplanar. Se relacionó la concordancia del strain reservorio de cada vista apical de manera independiente con biplanar y triplanar, documentando que tanto la vista apical 2c y la apical 4c tenían buena concordancia con ambas vistas, sin embargo, la vista apical 3c tenía una menor concordancia. Lo mismo se encontró en el strain bomba y el strain conducto. Siendo superiores las vistas apicales 2c y 4c.  Conclusión:  La vista de tres cámaras tiene resultados diferentes a las demás vistas y la concordancia de todos los demás valores de la aurícula izquierda es similar, por lo que no le da más valor tomarlo en biplano o triplano. Con base en la información obtenida no se debe utilizar la vista de tres cámaras y se puede utilizar una evaluación monoplanar, ya sea 4 o 2 cámaras con concordancia similar.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Left atrial]]></kwd>
<kwd lng="en"><![CDATA[strain deformation]]></kwd>
<kwd lng="en"><![CDATA[triplane]]></kwd>
<kwd lng="es"><![CDATA[Aurícula izquierda]]></kwd>
<kwd lng="es"><![CDATA[deformación de strain]]></kwd>
<kwd lng="es"><![CDATA[triplanar]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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