<?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>0121-3709</journal-id>
<journal-title><![CDATA[ORINOQUIA]]></journal-title>
<abbrev-journal-title><![CDATA[Orinoquia]]></abbrev-journal-title>
<issn>0121-3709</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Investigaciones de la Orinoquia Colombiana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-37092019000200047</article-id>
<article-id pub-id-type="doi">10.22579/20112629.568</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de parámetros en señales electrocardiográficas de pacientes con Chagas y de variables del dominio del tiempo de la HRV usando polígrafo de alta resolución]]></article-title>
<article-title xml:lang="en"><![CDATA[Analysis of parameters in electrocardiographic signals of patients with Chagas and time domain variables of the HRV using high resolution polygraph]]></article-title>
<article-title xml:lang="pt"><![CDATA[Análise de parâmetros em sinais eletrocardiográficos de pacientes com variáveis Chagas e de domínio do tempo da VFC utilizando polígrafo de alta resolução]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Corredor-Matus]]></surname>
<given-names><![CDATA[José R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Riveros-Sanabria]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de los Llanos Facultad de Ciencias Agropecuarias y Recursos Naturales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de los Llanos Facultad de Ciencias Básicas e Ingeniería ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>23</volume>
<numero>2</numero>
<fpage>47</fpage>
<lpage>55</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-37092019000200047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-37092019000200047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-37092019000200047&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este trabajo presenta los resultados obtenidos de un estudio sobre el análisis de parámetros electrocardiográficos en registros de pacientes seropositivos a la enfermedad de Chagas del Departamento del Meta y medición de las variables en el dominio de tiempo de la variabilidad de la frecuencia cardiaca (HRV) y su comparación con registros de población de control. Se obtuvieron un total de 38 registros de 10 minutos en su gran mayoría (57,9%) con un polígrafo de alta resolución entre ambas poblaciones, creándose una base de datos anotada de éstos registros. El presente estudio, permitió encontrar diferencias significativas de parámetros electrocardiográficos para el intervalo QTc entre los grupos, que podría ser consecuencia de alteración de la condución cardiaca que se traduce en un mayor incremento del QTc, así como de afectación de las variables del dominio de tiempo de la Variabilidad de la Frecuencia Cardiaca (HRV), como la SDRR y SEHR, que resultan en valores más bajos para los pacientes seropositivos a enfermedad de Chagas. Se concluye que variables de los registros ECG y de la HRV, presentan alteración en pacientes con enfermedad de Chagas , que podrían ser utilizados como alertas tempranas de la enfermedad no diagnosticada serológicamente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper presents the results obtained from a study on the analysis of electrocardiographic parameters in records of patients seropositive to Chagas disease of the Department of Meta and measurement of the variables in the time domain of heart rate variability (HRV) and its comparison with population control records. A total of 38 10-minute records were obtained in the vast majority (57,9%) with a high resolution polygraph between both populations, creating an annotated database of these records. The present study allowed us to find significant differences in electrocardiographic parameters for the QTc interval between the groups, which could be a consequence of an alteration of the cardiac conduction that translates into a greater increase in the QTc, as well as the affectation of the time domain variables of Heart Rate Variability (HRV), such as the SDRR and SEHR, which result in lower values &#8203;&#8203;for HRV-positive patients with Chagas disease. It is concluded that variables from the ECG and HRV registries present an alteration in patients with Chagas disease, which could be used as early warnings of the serologically undiagnosed disease.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Este artigo apresenta os resultados obtidos em um estudo sobre a análise de parâmetros eletrocardiográficos em prontuários de pacientes soropositivos para a doença de Chagas do Departamento de Meta e mensuração das variáveis &#8203;&#8203;no domínio do tempo da variabilidade da freqüência cardíaca (VFC) e sua comparação com os registros de controle populacional. Um total de 38 registros de 10 minutos foi obtido na grande maioria (57,9%) com um polígrafo de alta resolução entre as duas populações, criando um banco de dados anotado desses registros. O presente estudo permitiu encontrar diferenças significativas nos parâmetros eletrocardiográficos para o intervalo QTc entre os grupos, o que pode ser consequência de uma alteração da condução cardíaca que se traduz em maior aumento no QTc, bem como no comprometimento das variáveis &#8203;&#8203;no domínio do tempo Variabilidade da Frequência Cardíaca (VFC), como o SDRR e o SEHR, que resultam em valores mais baixos para pacientes HIV positivos com doença de Chagas. Concluise que as variáveis &#8203;&#8203;dos registros de ECG e HRV apresentam alteração nos pacientes com doença de Chagas, que pode ser utilizada como alerta precoce da doença sorologicamente não diagnosticada.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Enfermedad de Chagas]]></kwd>
<kwd lng="es"><![CDATA[parámetros electrocardiográficos]]></kwd>
<kwd lng="es"><![CDATA[Variabilidad de la frecuencia cardiaca (HRV)]]></kwd>
<kwd lng="es"><![CDATA[intervalo QTc.]]></kwd>
<kwd lng="en"><![CDATA[Chagas disease]]></kwd>
<kwd lng="en"><![CDATA[electrocardiographic parameters]]></kwd>
<kwd lng="en"><![CDATA[heart rate variability (HRV)]]></kwd>
<kwd lng="en"><![CDATA[QTc interval]]></kwd>
<kwd lng="pt"><![CDATA[Doença de Chagas]]></kwd>
<kwd lng="pt"><![CDATA[Parâmetros do ECG]]></kwd>
<kwd lng="pt"><![CDATA[variabilidade da frequência cardíaca (HRV)]]></kwd>
<kwd lng="pt"><![CDATA[intervalo QTc]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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