<?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>1405-9940</journal-id>
<journal-title><![CDATA[Archivos de cardiología de México]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Cardiol. Méx.]]></abbrev-journal-title>
<issn>1405-9940</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Cardiología Ignacio Chávez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-99402021000200190</article-id>
<article-id pub-id-type="doi">10.24875/acm.20000088</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Correlación del volumen de entrenamiento en MET-min/semana con el porcentaje de ganancia de VO2p-carga en pacientes con insuficiencia cardiaca con fracción de expulsión reducida, sometidos a un programa de rehabilitación cardiaca]]></article-title>
<article-title xml:lang="en"><![CDATA[Correlation of training volume in MET-min/week with the percentage of estimated VO2p gain in patients with chronic heart failure with reduced ejection fraction, undergoing a cardiac rehabilitation program]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ku-González]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lara-Vargas]]></surname>
<given-names><![CDATA[Jorge A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pineda-García]]></surname>
<given-names><![CDATA[Alfredo D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lastra-Silva]]></surname>
<given-names><![CDATA[Víctor J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villeda-Sánchez]]></surname>
<given-names><![CDATA[Maryely]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Leyva-Valadez]]></surname>
<given-names><![CDATA[Eduardo A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arteaga-Martínez]]></surname>
<given-names><![CDATA[José R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad La Salle Facultad Mexicana de Medicina División de Servicios Modulares]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado Centro Médico Nacional 20 de Noviembre ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>91</volume>
<numero>2</numero>
<fpage>190</fpage>
<lpage>195</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402021000200190&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-99402021000200190&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-99402021000200190&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: La insuficiencia cardiaca (IC) es un síndrome clínico caracterizado por disminución en la capacidad funcional. Los programas de rehabilitación cardiaca y prevención secundaria (PRHCyPS) han mostrado mejorar la calidad de vida y tolerancia al esfuerzo en este grupo de pacientes, pero sus efectos son dependientes del volumen. Nuestro objetivo es evaluar el grado de correlación del volumen de entrenamiento medido en equivalentes metabólicos (MET)-min/semana con el porcentaje de ganancia de consumo pico de oxígeno (VO2p) (MET-carga) posterior a un PRHCyPS en pacientes con IC.  Método: Estudio cuasiexperimental que evaluó la ganancia de VO2p (MET-carga) en 31 pacientes posterior a un PRHCyPS, antes y después de una prueba de ejercicio convencional, que consistió en 30 min de entrenamiento dinámico al 70% frecuencia cardíaca de reserva (FCR) durante seis semanas, así como entrenamiento de kinesioterapia e intervención interdisciplinaria. Se calculó el volumen de entrenamiento de cada paciente en MET-min/semana (método de Kaminsky). Se midió el índice de correlación con Rho de Spearman y se consideró significancia estocástica con valor de p &lt; 0.05.  Resultados: El 70.6% fueron de sexo masculino, promedio de edad 61.5 ± 8.9 años, con fracción de expulsión del ventrículo izquierdo promedio de 38 ± 4.6%; el 96.8% de la IC fue de origen isquémico; un 55.9, un 29.4 y un 5.9% en clase funcional según la New York Heart Association I, II y III, respectivamente. Con un volumen de entrenamiento promedio de 504.34 ± 164 MET-min/semana. La mayor correlación se obtuvo en las poblaciones de alto riesgo, con una Rho: 0.486 (p = 0.008) por VO2p-carga.  Conclusiones: Si bien existe una ganancia sustancial en tolerancia al esfuerzo medido por VO2p-carga, no obtuvimos suficiente grado de correlación entre el volumen de entrenamiento aplicado y la ganancia obtenida.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: Heart failure is a clinical syndrome characterized by a decrease in functional capacity. Cardiac rehabilitation and secondary prevention (CR&amp;SP) programs have been shown to improve quality of life and excercise tolerance in this group of patients, but their effects depends on training volume. Our objective is to evaluate the level of correlation of the training volume measured in metabolic equivalents (MET)-min/week with the percentage of peak oxygen consumption (VO2p) gain (estimated MET) after a CR&amp;SP in patients with chronic heart failure.  Method: Quasi-experimental study that evaluated the gain of VO2p (estimated MET) in 31 patients after a CR&amp;SP, prior and post-exercise test, which consisted of 30 min of dynamic training at 70% heart rate reserve (HRR) for 6 weeks, with strenght training and interdisciplinary intervention. The training volume of each patient was calculated in MET-min/week (Kaminsky&#8217;s method). Spearman&#8217;s Rho correlation index was measured and stochastic significance was considered whith a value of p &lt; 0.05.  Results: 70.6% were male, average age 61.5 years ± 8.9, with left ventricular ejection fraction average of 38 ± 4.6%; 96.8% of the heart failure had an ischemic origin; 55.9, 29.4 and 5.9% in New York Heart Association funstional class I, II and III, respectively. With an average training volume of 504.34 ± 164 MET-min/week. The best correlation was obtained in high-risk population with Rhol: 0.486 (p = 0.008) meassured by estimated VO2p.  Conclusions: Although there is a substantial gain in excersise tolerance measured by estimated VO2p, we did not obtain a sufficient level of correlation between the volume of training applied and the gain obtained.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Rehabilitación cardiaca]]></kwd>
<kwd lng="es"><![CDATA[Insuficiencia cardiaca]]></kwd>
<kwd lng="es"><![CDATA[Volumen de entrenamiento]]></kwd>
<kwd lng="es"><![CDATA[Consumo pico de oxígeno]]></kwd>
<kwd lng="es"><![CDATA[VO2p]]></kwd>
<kwd lng="en"><![CDATA[Cardiac rehabilitation]]></kwd>
<kwd lng="en"><![CDATA[Chronic heart failure]]></kwd>
<kwd lng="en"><![CDATA[Training volume]]></kwd>
<kwd lng="en"><![CDATA[Peak oxygen consumption]]></kwd>
<kwd lng="en"><![CDATA[VO2p]]></kwd>
</kwd-group>
</article-meta>
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<numero>7433</numero>
<issue>7433</issue>
<page-range>189</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
