<?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>S0035-00522021000300096</article-id>
<article-id pub-id-type="doi">10.35366/102189</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estimación de la exposición intencionada a radiación ionizante en pacientes de una Unidad de Cuidados Intensivos Neonatales]]></article-title>
<article-title xml:lang="en"><![CDATA[Measurement of intentional exposure to ionizing radiation in a neonatal intensive care unit]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arízaga-Ballesteros]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garza-Castillo]]></surname>
<given-names><![CDATA[Rocío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Franco-Cabrera]]></surname>
<given-names><![CDATA[María del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada-Hernández]]></surname>
<given-names><![CDATA[Cristian]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lara-Díaz]]></surname>
<given-names><![CDATA[Víctor Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alcorta-García]]></surname>
<given-names><![CDATA[Mario René]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Regional Materno Infantil Departamento de Neonatología ]]></institution>
<addr-line><![CDATA[Guadalupe Nuevo León]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico y de Estudios Superiores de Monterrey Escuela de Medicina y Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Tecnofísica Radiológica, S.C  ]]></institution>
<addr-line><![CDATA[Monterrey Nuevo León]]></addr-line>
<country>México</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>88</volume>
<numero>3</numero>
<fpage>96</fpage>
<lpage>100</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-00522021000300096&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-00522021000300096&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-00522021000300096&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  Las radiografías de tórax son de los procedimientos más frecuentes utilizados en las Unidades de Cuidados Intensivos Neonatales (UCIN). El objetivo de este estudio fue determinar la dosis de radiación por radiografía que recibieron los pacientes hospitalizados mediante el kerma en aire incidente (Ki), medida de la dosis de entrada en piel.  Material y métodos:  Estudio observacional, prospectivo, longitudinal y descriptivo. Se incluyeron pacientes atendidos en la UCIN del Hospital Materno Infantil, Nuevo León, México, a quienes se les tomó una o más radiografías toraco-abdominales (portátiles) durante su estancia. El Ki se midió de acuerdo por el Organismo Internacional de Energía Atómica para la dosimetría de pacientes pediátricos en radiografía simple.  Resultados:  Se analizaron 66 pacientes. En total se tomaron 416 radiografías, siendo la mediana por paciente de 13 (RIQ 2-26). El Ki fue de 140 (RIQ 80-450) &#956;Gy por radiografía. En 75% de las exposiciones, la mediana del Ki fue de 195 &#956;Gy.  Conclusiones:  Las dosis de radiación por radiografías toraco-abdominales en recién nacidos en UCIN son mayores que las recomendadas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Chest X-rays are one of the most common procedures used in neonatal intensive care units (NICU). The objective of this study was to determine the X-ray radiation dose received by hospitalized patients by means of incident air kerma (Ki), a measure of the skin entry dose.  Material and methods:  Observational, prospective, longitudinal and descriptive study. We included patients treated at the NICU of the Hospital Materno Infantil, Nuevo León, Mexico, who had one or more thoraco-abdominal (portable) radiographs taken during their stay. Ki was measured according to the International Atomic Energy Agency for the dosimetry of pediatric patients in plain radiography.  Results:  Sixty-six patients were analyzed. In total, 416 radiographs were taken; the median number of radiographs per patient was 13 (IQR 2-26). The Ki was 140 (IQR 80-450) &#956;Gy by radiography. In 75% of the exposures, the median Ki was 195 &#956;Gy.  Conclusions:  In newborns cared for in the NICU, the radiation doses from thoraco-abdominal radiographs are higher than international recommendations.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Radiación ionizante]]></kwd>
<kwd lng="es"><![CDATA[neonato]]></kwd>
<kwd lng="es"><![CDATA[pretérmino]]></kwd>
<kwd lng="es"><![CDATA[Unidad de Cuidados Intensivos Neonatales]]></kwd>
<kwd lng="es"><![CDATA[radiografías]]></kwd>
<kwd lng="en"><![CDATA[Ionizing radiation]]></kwd>
<kwd lng="en"><![CDATA[newborn]]></kwd>
<kwd lng="en"><![CDATA[preterm]]></kwd>
<kwd lng="en"><![CDATA[Neonatal Intensive Care Unit]]></kwd>
<kwd lng="en"><![CDATA[x-rays]]></kwd>
</kwd-group>
</article-meta>
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