<?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>0035-0052</journal-id>
<journal-title><![CDATA[Revista mexicana de pediatría]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. pediatr.]]></abbrev-journal-title>
<issn>0035-0052</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Pediatría A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-00522019000500181</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Incidencia de lesión renal en prematuros menores de 1,500 gramos en una Unidad Neonatal Colombiana]]></article-title>
<article-title xml:lang="en"><![CDATA[Incidence of acute renal injury in prematures under 1500 grams in a Neonatal Colombian Unit]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vásquez-Hoyos]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Clavijo]]></surname>
<given-names><![CDATA[Tatiana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Méndez-García]]></surname>
<given-names><![CDATA[Diana Paola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monje-Cardona]]></surname>
<given-names><![CDATA[Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saavedra-Soler]]></surname>
<given-names><![CDATA[Nathalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Fundación Universitaria de Ciencias de la Salud Hospital de San José ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Infantil Universitario de San José  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2019</year>
</pub-date>
<volume>86</volume>
<numero>5</numero>
<fpage>181</fpage>
<lpage>184</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-00522019000500181&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-00522019000500181&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-00522019000500181&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  La lesión renal aguda (LRA) en recién nacidos (RN) pretérmino es una complicación poco estudiada; en la actualidad no se cuenta con criterios para su definición y manejo.  Objetivo:  Determinar la incidencia de LRA en pacientes pretérmino hospitalizados en una unidad de cuidado neonatal (UCIN).  Material y métodos:  Estudio de cohorte descriptivo de RN con peso &#8804; 1,500 gramos admitidos a UCIN de un hospital universitario en Bogotá, en un periodo de un año. A todos los pacientes se les tomó muestras de creatinina sérica a las 24 y 72 horas de vida. Se definió LRA como un incremento de creatinina &#8805; 0.3 mg/mL o un aumento del 150% del valor inicial.  Resultados:  Se incluyeron 53 pacientes. Fueron excluidos 11 casos porque fallecieron antes de las 72 horas de nacidos. Diez casos cumplieron con la definición y corresponden a una incidencia de 23.8% (IC95% 11.7 a 34.6%). Hubo tres casos que también presentaron oliguria.  Conclusiones:  Con nuestra definición se evidencia una elevada incidencia de LRA en RN prematuros. Se requieren más estudios para confirmar estos hallazgos y establecer factores de riesgo asociados a su presentación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  There are few studies on acute kidney injury (AKI) in preterm infants; currently, there are no criteria for its definition and management.  Objective:  To determine the incidence of AKI in preterm infants hospitalized in a neonatal care unit (NICU).  Material and methods:  Descriptive cohort study of newborns weighing &#8804; 1,500 grams admitted to the NICU of a university hospital in Bogotá, over a period of one year. All the patients were sampled serum creatinine at 24 and 72 hours of life. ARI was defined as an increase of creatinine &#8805; 0.3 mg/mL or increased 150% of the initial value.  Results:  53 patients were included. Eleven patients were excluded because they died before 72 hours after birth. Ten patients met the definition of ARI and correspond to an incidence of 23.8% (95% CI 11.7 to 34.6%). There were three cases that also presented oliguria.  Conclusions:  Our definition shows a high incidence of AKI in premature newborns. More studies are needed to confirm these findings and establish risk factors associated with AKI.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Lesión renal aguda]]></kwd>
<kwd lng="es"><![CDATA[prematuro]]></kwd>
<kwd lng="es"><![CDATA[creatinina]]></kwd>
<kwd lng="es"><![CDATA[incidencia]]></kwd>
<kwd lng="en"><![CDATA[Acute renal injury]]></kwd>
<kwd lng="en"><![CDATA[premature]]></kwd>
<kwd lng="en"><![CDATA[creatinine]]></kwd>
<kwd lng="en"><![CDATA[incidence]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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