<?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>2312-3893</journal-id>
<journal-title><![CDATA[Revista Virtual de la Sociedad Paraguaya de Medicina Interna]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. virtual Soc. Parag. Med. Int.]]></abbrev-journal-title>
<issn>2312-3893</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Paraguaya de Medicina Interna]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2312-38932026000100220</article-id>
<article-id pub-id-type="doi">10.18004/rvspmi/2312-3893/2026.e13122620</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características clínicas y ecocardiográficas de pacientes hospitalizados por insuficiencia cardiaca en un centro de referencia del Paraguay]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical and echocardiographic characteristics of patients hospitalized for heart failure at a referral center in Paraguay]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villalba Acosta]]></surname>
<given-names><![CDATA[Nery Rene]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dávalos Ortiz]]></surname>
<given-names><![CDATA[José Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alderete Ayala]]></surname>
<given-names><![CDATA[Diana Leticia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Leiva Rios]]></surname>
<given-names><![CDATA[Dalma Chaveli]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aquino Vera]]></surname>
<given-names><![CDATA[Luz Marina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villalba Bóveda]]></surname>
<given-names><![CDATA[Liz Natalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Niz Cuenca]]></surname>
<given-names><![CDATA[Liz Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Haruo Wakamori]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguayo]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Itapúa Facultad de Medicina Postgrado en Medicina Interna]]></institution>
<addr-line><![CDATA[Itapúa ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2026</year>
</pub-date>
<volume>13</volume>
<numero>1</numero>
<fpage>220</fpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2312-38932026000100220&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2312-38932026000100220&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2312-38932026000100220&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  la insuficiencia cardiaca es una de las enfermedades cardiovasculares más frecuentes y con mayor impacto en salud pública. En Paraguay, los estudios sobre el perfil clínico y ecocardiográfico de estos pacientes son limitados.  Objetivo:  describir las características clínicas y ecocardiográficas de pacientes adultos hospitalizados por insuficiencia cardiaca en el Departamento de Medicina Interna del Centro Médico Nacional, Hospital Nacional, Paraguay, durante el periodo 2023-2024.  Metodología: se aplicó un diseño observacional, transversal, retrospectivo, descriptivo, con componente analítico. Se utilizó un muestreo no probabilístico de casos consecutivos. Se incluyeron 100 pacientes adultos hospitalizados por insuficiencia cardiaca. El protocolo fue aprobado por el Comité de Ética en Investigación de la Universidad Nacional de Itapúa, Paraguay.  Resultados:  la edad media fue de 63 ± 12 años, el 55 % correspondió al sexo masculino. Al ingreso, el 51% de los pacientes se encontraba en clase funcional III. Entre las comorbilidades, la hipertensión arterial se registró en el 86%. La falta de adherencia al tratamiento fue identificada como precipitante de descompensación en el 18%. El tratamiento médico óptimo se registró en el 7%. La mortalidad intrahospitalaria fue del 6%. La etiología isquémica se identificó en el 67% de los casos. La fracción de eyección del ventrículo izquierdo fue reducida en el 44%, conservada en el 40% y levemente reducida en el 16%. La fracción de eyección reducida se asoció con cardiopatía isquémica, cardiopatía dilatada, fibrilación auricular y clase funcional IV; la cardiopatía hipertensiva presentó asociación inversa.  Conclusión:  en esta serie de pacientes hospitalizados por insuficiencia cardiaca predominó el sexo masculino, la etiología isquémica y la fracción de eyección reducida. La fracción de eyección reducida se asoció con variables clínicas y etiologías específicas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Heart failure is one of the most common cardiovascular diseases and has a major impact on public health. In Paraguay, studies on the clinical and echocardiographic profile of these patients are limited.  Objective: To describe the clinical and echocardiographic characteristics of adult patients hospitalized for heart failure in the Department of Internal Medicine at the National Medical Center, National Hospital, Paraguay, during the period 2023-2024.  Methodology: An observational, cross-sectional, retrospective, descriptive design with an analytical component was used. Non-probabilistic sampling of consecutive cases was applied. One hundred adult patients hospitalized for heart failure were included. The protocol was approved by the Research Ethics Committee of the National University of Itapúa, Paraguay.  Results: The mean age was 63 ± 12 years, and 55% were male. At admission, 51% of patients were in functional class III. Among comorbidities, hypertension was recorded in 86%. Lack of adherence to treatment was identified as a precipitating factor for decompensation in 18%. Optimal medical treatment was recorded in 7% and in-hospital mortality was 6%. Ischemic etiology was identified in 67% of cases. Left ventricular ejection fraction was reduced in 44%, preserved in 40%, and slightly reduced in 16%. Reduced ejection fraction was associated with ischemic heart disease, dilated cardiomyopathy, atrial fibrillation, and functional class IV; hypertensive heart disease showed an inverse association.  Conclusion: In this series of patients hospitalized for heart failure, males, ischemic etiology, and reduced ejection fraction predominated. Reduced ejection fraction was associated with specific clinical variables and etiologies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[insuficiencia cardiaca]]></kwd>
<kwd lng="es"><![CDATA[ecocardiografía]]></kwd>
<kwd lng="es"><![CDATA[hipertensión arterial]]></kwd>
<kwd lng="en"><![CDATA[heart failure]]></kwd>
<kwd lng="en"><![CDATA[echocardiography]]></kwd>
<kwd lng="en"><![CDATA[hypertension]]></kwd>
</kwd-group>
</article-meta>
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