<?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>0120-2448</journal-id>
<journal-title><![CDATA[Acta Medica Colombiana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Med Colomb]]></abbrev-journal-title>
<issn>0120-2448</issn>
<publisher>
<publisher-name><![CDATA[Asociacion Colombiana de Medicina Interna]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-24482021000400043</article-id>
<article-id pub-id-type="doi">10.36104/amc.2021.2080</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[It is time to adapt the definition of chronic kidney disease according to age]]></article-title>
<article-title xml:lang="es"><![CDATA[Es hora de adaptar la definición de la enfermedad renal crónica de acuerdo con la edad]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[NIETO-RÍOS]]></surname>
<given-names><![CDATA[JOHN FREDY]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[ZULUAGA-QUINTERO]]></surname>
<given-names><![CDATA[MONICA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[ARIZA-PARRA]]></surname>
<given-names><![CDATA[EDWIN JESÚS]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[BELLO-MÁRQUEZ]]></surname>
<given-names><![CDATA[DIANA CAROLINA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[GÓMEZ-CASTRO]]></surname>
<given-names><![CDATA[LAURA TATIANA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Pablo Tobón Uribe  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Pablo Tobón Uribe  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,IPS Universitaria  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Infantil Concejo de Medellín Clínica las Américas ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Dumina Medical Clínica del Café ]]></institution>
<addr-line><![CDATA[Armenia ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>46</volume>
<numero>4</numero>
<fpage>43</fpage>
<lpage>45</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-24482021000400043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-24482021000400043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-24482021000400043&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Chronic kidney disease is a condition with high morbidity, mortality and healthcare costs which affects all population groups, having a significant impact on their quality of life. Its classification has been modified over time and there is still no universal consensus to differentiate a physiological change in kidney clearance from a pathological change. Below, we will discuss the importance of reconsidering the definition and classification in the general population according to age, including children and adults. (Acta Med Colomb 2021; 46. DOI:https://doi.org/10.36104/amc.2021.2080).]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La enfermedad renal crónica es una condición con alta morbilidad, mortalidad y costos elevados para los sistemas de salud que afecta todos los grupos de población con impacto significativo en su calidad de vida. Su clasificación ha sido modificada con el tiempo y aún no existe un consenso universal para diferenciar un cambio fisiológico del aclaramiento renal versus patológico. A continuación, se expone la importancia de replantear la definición y clasificación en la población general de acuerdo a la edad, incluyendo a niños y adultos. (Acta Med Colomb 2021; 46. DOI:https://doi.org/10.36104/amc.2021.2080).]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[chronic renal insufficiency]]></kwd>
<kwd lng="en"><![CDATA[chronic renal failure]]></kwd>
<kwd lng="en"><![CDATA[classification]]></kwd>
<kwd lng="en"><![CDATA[aging]]></kwd>
<kwd lng="es"><![CDATA[insuficiencia renal crónica]]></kwd>
<kwd lng="es"><![CDATA[fallo renal crónico]]></kwd>
<kwd lng="es"><![CDATA[clasificación]]></kwd>
<kwd lng="es"><![CDATA[envejecimiento]]></kwd>
</kwd-group>
</article-meta>
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