<?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>S1870-72032018000300219</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Identificación de los factores de bajo riesgo en el lactante pequeño con fiebre sin foco evidente]]></article-title>
<article-title xml:lang="en"><![CDATA[Identification of low-risk factors in the small infant with fever and no obvious focus]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guzmán Cisneros]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cullen Benítez]]></surname>
<given-names><![CDATA[Pedro Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Ángeles Lomas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<volume>16</volume>
<numero>3</numero>
<fpage>219</fpage>
<lpage>225</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032018000300219&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032018000300219&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032018000300219&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La fiebre en niños menores de tres meses que no tiene un foco evidente puede ser parte de una infección bacteriana seria o invasiva con riesgo de consecuencias graves de no darse pronta atención. Esta revisión pretende explorar las definiciones de fiebre e infecciones invasivas, las características clínicas y paraclínicas, así como los protocolos que dieron origen a los criterios de bajo riesgo que pueden usarse para evitar tratamientos excesivos o subestimaciones peligrosas. Los tres elementos más importantes de bajo riesgo son: el cuadro clínico en donde la ausencia de apariencia tóxica es esencial, un examen general de orina normal y biomarcadores sanguíneos normales, específicamente leucocitos y proteína C reactiva, pero sobre todo procalcitonina.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Fever in infants younger than three months without an evident source, can be part of a threatening or invasive bacterial infection with the risk of serious consequences for lack of adequate attention. This review article pretends to explore the definition of fever and invasive infections, the clinical and laboratory features as well as the series of protocols that gave origin to the low risk criteria that can be used to avoid excessive treatments or dangerous underestimations. The three most important low risk elements are: clinical setting where the absence of toxic appearance is essential, a normal urine analysis, and normal blood biomarkers, specifically white blood cells, C reactive protein and specially procalcitonin.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Fiebre]]></kwd>
<kwd lng="es"><![CDATA[lactante pequeño]]></kwd>
<kwd lng="es"><![CDATA[infección bacteriana seria]]></kwd>
<kwd lng="es"><![CDATA[bajo riesgo]]></kwd>
<kwd lng="es"><![CDATA[infección bacteriana invasiva]]></kwd>
<kwd lng="es"><![CDATA[sepsis]]></kwd>
<kwd lng="en"><![CDATA[Fever]]></kwd>
<kwd lng="en"><![CDATA[young infant]]></kwd>
<kwd lng="en"><![CDATA[serious bacterial infection]]></kwd>
<kwd lng="en"><![CDATA[low risk]]></kwd>
<kwd lng="en"><![CDATA[invasive bacterial infection]]></kwd>
<kwd lng="en"><![CDATA[sepsis]]></kwd>
</kwd-group>
</article-meta>
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