<?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>2307-3349</journal-id>
<journal-title><![CDATA[Revista de salud publica del Paraguay]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. salud publica Parag.]]></abbrev-journal-title>
<issn>2307-3349</issn>
<publisher>
<publisher-name><![CDATA[INSTITUTO NACIONAL DE SALUD - MSP Y BS]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2307-33492019000100047</article-id>
<article-id pub-id-type="doi">10.18004/rspp.2019.junio.47-56</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Correlación entre la dispersión de la onda P con las arritmias cardíacas y los trastornos del sistema de conducción en pacientes con hipertensión arterial del Hospital de Clínicas, Asunción-Paraguay]]></article-title>
<article-title xml:lang="en"><![CDATA[Correlation among P wave dispersion and cardiac arrhythmias and alterations of the conduction system in patients with arterial hypertension from the Hospital de Clinicas, Asunción, Paraguay]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Scavenius]]></surname>
<given-names><![CDATA[Karina Elizabeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Centurión]]></surname>
<given-names><![CDATA[Osmar Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torales]]></surname>
<given-names><![CDATA[Judith M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[Laura B.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cáceres]]></surname>
<given-names><![CDATA[Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paniagua]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lovera]]></surname>
<given-names><![CDATA[Oscar A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Asunción División de Medicina Cardiovascular Hospital de Clínicas]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Sanatorio Metropolitano Departamento de Investigación en Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Fernando de la Mora ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>9</volume>
<numero>1</numero>
<fpage>47</fpage>
<lpage>56</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2307-33492019000100047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2307-33492019000100047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2307-33492019000100047&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La hipertensión arterial puede producir cambios auriculares que generan arritmias auriculares. La dispersión de la onda P (PWD) se considera un marcador electrocardiográfico no invasivo para la remodelación auricular y un predictor para el desarrollo de fibrilación auricular. Nuestro objetico es estudiar la correlación entre la dispersión de la onda P con las arritmias cardíacas y los trastornos del sistema de conducción en pacientes con hipertensión arterial (HTA).  Metodología:  Estudio observacional y prospectivo en el que estudiamos las variaciones electrocardiográficas, mediciones ecocardiográficas y Holter ECG de 24 hs en pacientes hipertensos que acuden a un hospital terciario desde marzo del 2018 a septiembre del 2018 en forma ambulatoria y a internados.  Resultados:  Se estudiaron 104 pacientes, 65 hipertensos conocidos y 39 no hipertensos como grupo control. El valor promedio de la dispersión de la onda P en hipertensos fue de 37±8 ms, y en el grupo control fue de 27±13 ms, P &lt;0,001. Además se encontró una diferencia significativa entre estos dos grupos en la duración máxima de la onda P (p&lt;0,05), y el diámetro de la aurícula izquierda (p&lt;0,05). La PWD posee una especificidad de 72% y un valor predictivo negativo de 78% relacionado con la presencia de trastornos del sistema de conducción y arritmias cardiacas en pacientes con HTA. Además, la PWD posee una especificidad de 73% y un valor predictivo negativo de 83% relacionado con la presencia de ensanchamiento del complejo QRS.  Conclusiones:  Existe una mayor alteración significativa en la dispersión de la Onda P, la Onda P máxima, y la dilatación de la aurícula izquierda en HTA. También se observó una correlación significativa entre la dispersión de la onda P y el riesgo de desarrollar arritmias auriculares. La dispersión de la onda P tiene una elevada especificidad y un alto valor predictivo negativo en la detección de la presencia de prolongación del intervalo QT, ensanchamiento del complejo QRS, dilatación de la aurícula izquierda y trastornos del sistema de conducción y arritmias cardiacas en pacientes con hipertensión arterial.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  High blood pressure can produce atrial changes that generate atrial arrhythmias. P wave dispersion (PWD) is considered a noninvasive electrocardiographic marker for atrial remodeling and a predictor for the development of atrial fibrillation. Our objective is to study the correlation between the dispersion of the P wave with cardiac arrhythmias and conduction system disorders in patients with arterial hypertension (AHT).  Methodology:  Observational and prospective study in which we studied the electrocardiographic variations, echocardiographic measurements and Holter ECG of 24 hours in hypertensive patients who attend a tertiary hospital from March 2018 to September 2018 on an outpatient basis.  Results:  104 patients were studied, 65 known hypertensive patients and, 39 non-hypertensive as control group. The average value of the P wave dispersion in hypertensive patients was 37±8 ms, and in the control group it was 27±13 ms, P &lt;0.001. In addition, a significant difference between these two groups was found in the maximum duration of the P wave (p &lt;0.05), and the diameter of the left atrium (p &lt;0.05). The PWD has a specificity of 72% and a negative predictive value of 78% related to the presence of disorders of the conduction system and cardiac arrhythmias in patients with hypertension. In addition, the PWD has a specificity of 73% and a negative predictive value of 83% related to the presence of the widening of the QRS complex.  Conclusion:  There is a greater significant alteration in the P Wave dispersion, the maximum P Wave, and the dilatation of the left atrium in AHT. A significant correlation was also observed between the dispersion of the P wave and the risk of developing atrial arrhythmias. The P wave dispersion has a high specificity and a high negative predictive value in the detection of the presence of QT interval prolongation, widening of the QRS complex, dilatation of the left atrium and disorders of the conduction system and cardiac arrhythmias in patients with arterial hypertension.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Dispersión de la Onda P]]></kwd>
<kwd lng="es"><![CDATA[Hipertensión arterial]]></kwd>
<kwd lng="es"><![CDATA[Arritmias cardiacas.]]></kwd>
<kwd lng="en"><![CDATA[P wave dispersion]]></kwd>
<kwd lng="en"><![CDATA[Arterial Hypertensión]]></kwd>
<kwd lng="en"><![CDATA[Cardiac arrhythmias]]></kwd>
</kwd-group>
</article-meta>
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