<?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>1729-519X</journal-id>
<journal-title><![CDATA[Revista Habanera de Ciencias Médicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev haban cienc méd]]></abbrev-journal-title>
<issn>1729-519X</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de la Habana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1729-519X2019000400624</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Aplicabilidad clínica de software diagnóstico de la dinámica cardíaca basado en la Ley de Zipf-Mandelbrot]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical applicability of the diagnostic software of cardiac dynamics based on the Zipf-Mandelbrot law]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveros]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[Catalina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Prieto]]></surname>
<given-names><![CDATA[Signed]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Investigaciones Clínica del Country Grupo Insigh ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Institución Universitaria Politécnico Grancolombiano Facultad de Ingeniería y Ciencias Básicas ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>18</volume>
<numero>4</numero>
<fpage>624</fpage>
<lpage>633</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1729-519X2019000400624&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1729-519X2019000400624&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1729-519X2019000400624&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La Ley de Zipf-Mandelbrot permitió el desarrollo de una metodología que realiza distinciones cuantitativas entre dinámicas cardíacas agudas y normales, de forma objetiva y reproducible.  Objetivo:  Confirmar la capacidad diagnóstica y utilidad clínica de un software que automatiza una metodología basada en la Ley de Zipf-Mandelbrot, que realiza diagnósticos objetivos de la dinámica cardíaca.  Material y Métodos: Se realizó un estudio ciego con 80 registros Holter, 20 normales y 60 con hallazgos patológicos. El software organizó de manera jerárquica las frecuencias cardíacas mediante las frecuencias de aparición en rangos de 15 lat/min, linealizó los datos y obtuvo la dimensión fractal estadística, lo cual permitió la realización del análisis de complejidad.  Resultados:  La dimensión fractal estadística de los registros Holter normales se halló entre 0,720 y 0,913, y exhibió valores entre 0,454 y 0,665 en los registros Holter anormales. Se encontró un coeficiente Kappa de 1, y valores de especificidad y sensibilidad de 100%.  Conclusiones:  Se confirmó la utilidad clínica del software que automatiza la metodología fundamentada en La ley de Zipf-Mandelbrot, el cual permitió evaluar el comportamiento de los sistemas cardíacos normales y agudos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  The Zipf-Mandelbrot law allowed the development of a methodology that makes quantitative distinctions between acute and normal cardiac dynamics in an objective and reproducible way.  Objective:  To confirm the diagnostic capacity and clinical utility of the software that automates a methodology based on the Zipf-Mandelbrot law that performs objective diagnoses of the cardiac dynamics.  Material and Methods:  A blind study was performed with 80 Holter records, 20 normal and 60 with pathological findings. The software organized heart rates in a hierarchical way through their frequencies of occurrence in ranges of 15 beats per min, linearized data, and obtained statistical fractal dimension which allowed the realization of the complexity analysis.  Results:  The statistical fractal dimension of the normal Holter records was found between 0,720 and 0,913, and exhibited values &#8203;&#8203;between 0,454 and 0,665 in the abnormal Holter records. A Kappa coefficient of 1, and specificity and sensitivity values &#8203;&#8203;of 100% were found.  Conclusions Methods:  The clinical utility of the Software that automates the methodology based on the Zipf-Mandelbrot law was confirmed, which allowed to evaluate the behavior of normal and acute cardiac systems.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Frecuencia cardíaca]]></kwd>
<kwd lng="es"><![CDATA[fractales]]></kwd>
<kwd lng="es"><![CDATA[dinámicas no lineales]]></kwd>
<kwd lng="es"><![CDATA[Electrocardiografía Ambulatoria]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="en"><![CDATA[Heart rate]]></kwd>
<kwd lng="en"><![CDATA[fractals]]></kwd>
<kwd lng="en"><![CDATA[nonlinear dynamics]]></kwd>
<kwd lng="en"><![CDATA[Electrocardiography Ambulatory]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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