<?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>1726-8958</journal-id>
<journal-title><![CDATA[Revista Médica La Paz]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Méd. La Paz]]></abbrev-journal-title>
<issn>1726-8958</issn>
<publisher>
<publisher-name><![CDATA[Colegio Médico de La Paz]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1726-89582021000200009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[APLICACION DE LAS REGLAS DE PECARN PARA DISMINUIR EL USO DE TOMOGRAFÍA AXIAL COMPUTARIZADA EN NIÑOS CON TRAUMATISMO CRÁNEO ENCEFÁLICO LEVE EN EL SERVICIO DE EMERGENCIAS DEL HOSPITAL DEL NIÑO &#8220;OVIDIO ALIAGA URÍA&#8221; AÑO 2020]]></article-title>
<article-title xml:lang="en"><![CDATA[APPLICATION OF PECARN RULES TO REDUCE THE USE OF COMPUTER TOMOGRAPHY IN CHILDREN WITH MILD HEAD TRAUMA IN THE EMERGENCY SERVICE OF CHILDREN&#8217;S HOSPITAL &#8220;OVIDIO ALIAGA URÍA&#8221;]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Boyan Montes]]></surname>
<given-names><![CDATA[Luiza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sejas Escalera]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital del Niño Ovidio Aliaga Uría  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>27</volume>
<numero>2</numero>
<fpage>9</fpage>
<lpage>16</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_arttext&amp;pid=S1726-89582021000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_abstract&amp;pid=S1726-89582021000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_pdf&amp;pid=S1726-89582021000200009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivo: Determinar si la aplicación de las reglas de la Red de Investigación Aplicada de Atención de Emergencia Pediátrica (PECARN) disminuye el uso de tomografías simples de cráneo en pacientes con traumatismo cráneo encefálico leve dentro de las primeras 24 horas, determinar la sensibilidad y especificidad de las reglas PECARN Lugar: Servicio de Emergencias del Hospital del Niño &#8220;Dr. Luis Ovidio Aliaga Uría&#8221;  Participantes: 56 pacientes que acudieron al servicio de emergencias por traumatismo cráneo encefálico leve.  Mediciones: se evaluó todas las variables que incluyen las reglas de PECARN.  Resultados: Se realizó la comparación en relación al número de tomografías pre y post implementación de las reglas PECARN evidenciándose una disminución del 78.4% (69/88) al 66.6% (36/56) post-PECARN (p = 0,01), y descendieron de forma significativa para los pacientes de bajo riesgo. Post PECARN se incluyeron 56 pacientes se dividen en alto riesgo 15 pacientes (26.7%), se realizó tomografía 100%, evidenciándose lesiones cerebrales en el 100%, 21 pacientes (37.5%) como pacientes de riesgo medio, se decidió realizar tomografía en el 100%, de los cuales 42.8% presentaron lesiones cerebrales. Dentro de los pacientes con bajo riesgo se clasificaron a 20 pacientes (35.7%), ninguno fue sometido a tomografía simple de cráneo debido al bajo riesgo. Se evidencio en este estudio, la sensibilidad de esta regla de decisión clínica fue del 100%, la especificidad fue del 62,5% y el valor predictivo negativo fue del 100%.  Conclusiones: el uso crítico de reglas PECARN en el servicio de emergencias disminuyó el número de tomografías simple de cráneo en un 11.8%, se evidenció una sensibilidad 100%, especificidad 62.5%, valor predictivo negativo 100% de las reglas de PECARN.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Objective:  To determine if the application of the rules of the Pediatric Emergency Care Applied Research Network (PECARN) reduces the use of simple skull tomography in patients with mild head trauma within the first 24 hours, to determine the sensitivity and specificity of the PECARN rules Place: Emergency Service of the Hospital del Niño&#8221; Dr. Luis Ovidio Aliaga Uria&#8221;  Participants: 56 patients who came to the emergency service for mild head injury.  Measurements:  all the variables that include the PECARN rules was evaluated.  Results:  A comparison was made in relation to the number of pre and post implementation of the PECARN rules, showing a decrease from 78.4% (69/88) to 66.6% (36/56) post-PECARN (p = 0.01), and decreased significantly for low- risk patients. Post PECARN, 56 patients were included, 15 patients (26.7%) were divided into high risk, 100% tomography was performed, showing brain lesions in 100%, 21 patients (37.5%) as medium risk patients, it was decided to perform tomography in the 100%, of which 42.8% had brain lesions. Among the patients with low risk, 20 patients (35.7%) were classified, none of them underwent a simple skull tomography due to the low risk. It was evidenced in this study, the sensitivity of this clinical decision rule was 100%, the specificity was 62.5% and the negative predictive value was 100%.  Conclusions:  the critical use of PECARN rules in the emergency service decreased the number of simple skull tomographies by 11.8%, a 100% sensitivity, 62.5% specificity, and 100% negative predictive value of the PECARN rules were evidenced.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Traumatismo craneoencefálico leve]]></kwd>
<kwd lng="es"><![CDATA[lesión cerebral traumática clínicamente importante]]></kwd>
<kwd lng="es"><![CDATA[reglas de predicción PECARN]]></kwd>
<kwd lng="en"><![CDATA[Mild head injury]]></kwd>
<kwd lng="en"><![CDATA[clinically important traumatic brain injury]]></kwd>
<kwd lng="en"><![CDATA[PECARN prediction rules]]></kwd>
</kwd-group>
</article-meta>
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