<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032017000400264</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diferencias entre la saturación de oxígeno al nacer y las 48 horas en neonatos a término reanimados con y sin oxígeno]]></article-title>
<article-title xml:lang="en"><![CDATA[Differences between the saturation of oxygen at birth and at 48 hours in term neonates resuscitated with and without oxygen]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orozco Gutiérrez]]></surname>
<given-names><![CDATA[Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira Díaz]]></surname>
<given-names><![CDATA[Amador]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marcelo Orozco]]></surname>
<given-names><![CDATA[Selene]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad La Salle Hospital Ángeles Pedregal Facultad Mexicana de Medicina]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Ángeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>15</volume>
<numero>4</numero>
<fpage>264</fpage>
<lpage>268</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032017000400264&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032017000400264&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032017000400264&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En recién nacidos, los niveles de oxígeno en la sangre alcanzan valores similares al adulto a los 10 minutos después del nacimiento.  Objetivo:  Determinar variaciones en la SpO2 pre- y postductal en la primera y a las 48 horas de vida extrauterina y analizar su respuesta en neonatos de la Ciudad de México con administración de aire y oxígeno.  Métodos:  Estudio prospectivo, analítico, en neonatos reanimados en un Hospital de la Ciudad de México. Se incluyeron neonatos con peso adecuado, obtenidos por cesárea o vía vaginal, que recibieron maniobras básicas de evaluación. Se registró la administración o no de oxígeno y saturación pre- y postductal al nacer y a las 48 horas. Se realizó análisis descriptivo y de las diferencias; prueba de t pareada y ANOVA de muestra repetida.  Resultados:  Se incluyeron 146 neonatos con edad media de 37 ± 0.1 semanas de gestación, peso promedio de 2,942 ± 35 g; 76 (52.1%) fueron hombres. Al realizar el análisis comparativo entre los pacientes con y sin oxígeno, y su vía de nacimiento, entre los diferentes segmentos saturados, no se encontraron diferencias estadísticamente significativas.  Conclusión:  La vía de nacimiento y la aplicación de oxígeno en la reanimación no condicionan diferencias en la saturación de oxígeno en neonatos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  In newborns, oxygen levels in the blood reach values similar to those of the adult 10 minutes after birth.  Objective:  To determine the variations in pre- and postductal SpO2 in the first and 48 hours of extrauterine life and to analyze its response in neonates from Mexico City with administration of air and oxygen.  Methods:  Prospective, analytical study in neonates who were resuscitated in a hospital in Mexico City. Neonates with adequate weight for gestational age, obtained by cesarean section or vaginal route, who received the basic evaluation maneuvers, were included. The administration of oxygen and pre- and postductal saturation at birth and at 48 hours were recorded. Descriptive analysis and differences were performed; matched t-test and repeated measures ANOVA.  Results:  We included 146 neonates, with mean age 37 ± 0.1 weeks of gestation, mean weight of 2,942 ± 35 g; 76 (52.1%) were male. When performing the comparative analysis between patients with and without oxygen, and way of birth between the different saturated segments, no statistically significant differences were found.  Conclusion:  The birth pathway and the application of oxygen in resuscitation do not condition differences in oxygen saturation in neonates.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Neonato]]></kwd>
<kwd lng="es"><![CDATA[reanimación neonatal]]></kwd>
<kwd lng="es"><![CDATA[oxígeno en recién nacidos]]></kwd>
<kwd lng="en"><![CDATA[Neonatal]]></kwd>
<kwd lng="en"><![CDATA[neonatal resuscitation]]></kwd>
<kwd lng="en"><![CDATA[oxygen application in neonates]]></kwd>
</kwd-group>
</article-meta>
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