<?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>2500-5006</journal-id>
<journal-title><![CDATA[Revista Colombiana de Nefrología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. colom. nefrol.]]></abbrev-journal-title>
<issn>2500-5006</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Nefrología e Hipertensión Arterial]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2500-50062021000100203</article-id>
<article-id pub-id-type="doi">10.22265/acnef.8.1.458</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Correlación entre las fórmulas de medición de filtrado glomerular Cockcroft-Gault, MDRD-4 y CKD-EPI, y la depuración de creatinina de 24 horas]]></article-title>
<article-title xml:lang="en"><![CDATA[Relation between Cockcroft-Gault, MDRD-4 and CKD-EPI formulas, compared with the 24-hour creatinin depuration.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navarro]]></surname>
<given-names><![CDATA[Edgar Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cerón]]></surname>
<given-names><![CDATA[Harvey Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zamora Suarez]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autonoma de Mexico Facultad de medicina ]]></institution>
<addr-line><![CDATA[Ciudad de Mexico ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Surcolombiana Facultad de salud ]]></institution>
<addr-line><![CDATA[Neiva ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Surcolombiana Facultad de Salud Semillero de Investigacion SEITOX]]></institution>
<addr-line><![CDATA[Neiva ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Universitario Hernando Moncaleano Perdomo Departamento de Medicina Interna ]]></institution>
<addr-line><![CDATA[Neiva ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>8</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2500-50062021000100203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2500-50062021000100203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2500-50062021000100203&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[  Resumen   Introducción:  es evidente que en los últimos tiempos la pirámide poblacional ha tenido cambios significativos, siendo cada vez más estrecha su base. El aumento en el número de personas adultas mayores trae consigo nuevos retos a nivel del ámbito médico, tales como la adaptación y la adecuación de fórmulas y parámetros que permitan prestar una atención medica eficiente y efectiva. De este modo, la determinación de la tasa de filtración glomerular se vuelve un parámetro de vital importancia dada su relación con el aumento del riesgo cardiovascular y la morbilidad general en este grupo de pacientes.  Objetivo:  comparar las diferentes fórmulas para calcular la tasa de filtrado glomerular con el estándar diagnóstico de depuración de creatinina de 24 horas en pacientes mayores de 85 años de edad, sin enfermedad renal crónica conocida, a fin de establecer la mejor correlación entre las fórmulas MDRD, CKD-EPI y Cockcroft-Gault.  Materiales y métodos:  estudio prospectivo, observacional, descriptivo y transversal realizado en 25 pacientes que ingresaron al servicio de Geriatría del Hospital Juárez de México entre Junio de 2017 y Junio de 2018. Al ingreso se midieron los niveles séricos de creatinina, se recolectó la orina de 24 horas y se realizaron los diferentes cálculos de tasa de filtrado con las fórmulas MDRD, CKD-EPI y Cockcroft-Gault.  Resultados:  la tasa de filtrado glomerular promedio medida por depuración de creatinina en 24 horas fue 48,35 mL/min/1,73 m2; según la fórmula de Cockcroft-Gault, 41,49 mL/min/1,73 m2; según MDRD, 64,98 mL/min/1,73 m2, y según CKD-EPI, 57,0 mL/min/1,73 m2, siendo significativamente menores estas dos últimas. De esta forma, se estableció que hay una correlación directa entre los distintos tipos de fórmulas; sin embargo, la que tiene mayor poder estadístico y reciprocidad es la Cockcroft-Gault, siendo estadísticamente significativa.  Conclusiones:  en pacientes mayores de 85 años de edad las estimaciones medidas por las diferentes tasas de filtrado glomerular no son intercambiables, pero la fórmula Cockcroft-Gault tiene gran ventaja al mostrar resultados estadísticamente significativos (p&lt;0,05); sin embargo, es necesario realizar estudios más amplios en población geriátrica para tener una estimación más precisa.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: It is currently evident that the population pyramid has undergone significant changes in recent times. The increase in the number of older adults brings with it new challenges at the medical level, such as the adaptation and adaptation of formulas and parameters that allow efficient and effective medical care to be provided. Among them, the determination of the glomerular filtration rate becomes a parameter of vital importance given its relationship with increased cardiovascular risk and general morbidity in this group of patients.  Objective:  To compare, in patients over 85 years without known chronic kidney disease, different formulas for calculating the glomerular filtration rate with diagnostic standard 24-hour creatinine clearance, in order to establish the best correlation between MDRD, CKD-EPI and Cockcroft-Gault.  Materials and methods:  A prospective, descriptive, cross-sectional observational study including 25 patients admitted to the Geriatrics service of the Juarez Hospital in Mexico, in the period from June 2017 to June 2018, serum creatinine levels were measured upon arrival, with 24-hour urine collection and performed filtering rate calculations with the CKDEPI, MDRD and Cockcroft Gault formulas.  Results:  the average glomerular filtration rate measured by creatinine clearance in 24 hours was 48.35 ml / min / 1.73 m2; according to the formula of Cockcroft and Gault was 41.49 ml / min / 1.73 m2, significantly lower than with MDRD and CKD-EPI 64.98 ml / min / 1.73 m2-57.0 / ml / min / 1.73 m2 respectively. There is a direct correlation between the different types of formulas; however, the one with the greatest statistical power and reciprocity is Cockcroft and Gault being statistically significant.  Conclusions:  In elderly patients, the formulas for the measurement of glomerular filtration rate are not interchangeable, showing an advantage for Cockcroft and Gault, being statistically significant (P &lt;0.05), however, it is necessary to perform more extensive studies in geriatric population, to have a more accurate estimate.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[tasa de filtración glomerular]]></kwd>
<kwd lng="es"><![CDATA[creatinina]]></kwd>
<kwd lng="es"><![CDATA[Servicios de salud geriátricos]]></kwd>
<kwd lng="es"><![CDATA[Enfermedades Renales]]></kwd>
<kwd lng="es"><![CDATA[Insuficiencia Renal Crónica]]></kwd>
<kwd lng="es"><![CDATA[Nefrología.]]></kwd>
<kwd lng="en"><![CDATA[glomerular filtration rate]]></kwd>
<kwd lng="en"><![CDATA[creatinine]]></kwd>
<kwd lng="en"><![CDATA[geriatric health services]]></kwd>
<kwd lng="en"><![CDATA[kidney diseases]]></kwd>
<kwd lng="en"><![CDATA[renal insufficiency]]></kwd>
<kwd lng="en"><![CDATA[chronic]]></kwd>
<kwd lng="en"><![CDATA[nephrology.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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