<?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>1665-1146</journal-id>
<journal-title><![CDATA[Boletín médico del Hospital Infantil de México]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. Med. Hosp. Infant. Mex.]]></abbrev-journal-title>
<issn>1665-1146</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Salud, Hospital Infantil de México Federico Gómez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-11462016000500331</article-id>
<article-id pub-id-type="doi">10.1016/j.bmhimx.2016.04.004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síndrome de pseudo-Bartter como presentación de fibrosis quística con mutación DF508]]></article-title>
<article-title xml:lang="en"><![CDATA[Pseudo-Bartter syndrome as manifestation of cystic fibrosis with DF508 mutation]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galaviz-Ballesteros]]></surname>
<given-names><![CDATA[María de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acosta-Rodríguez-Bueno]]></surname>
<given-names><![CDATA[Carlos Patricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Consuelo-Sánchez]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Franco-Álvarez]]></surname>
<given-names><![CDATA[Isidro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olalla-Mora]]></surname>
<given-names><![CDATA[Odilo Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Frias]]></surname>
<given-names><![CDATA[Rodrigo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Infantil de México Federico Gómez Departamento de Gastroenterología y Nutrición ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Hospital Infantil de México Federico Gómez Departamento de Nefrología ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2016</year>
</pub-date>
<volume>73</volume>
<numero>5</numero>
<fpage>331</fpage>
<lpage>334</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-11462016000500331&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-11462016000500331&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-11462016000500331&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción: El síndrome de pseudo-Bartter (SPB) se define como una alcalosis metabólica hipoclorémica con hipocaliemia en ausencia de tubulopatía. Los pacientes con fibrosis quística (FQ), al presentar alteraciones hidrolectrolíticas, pueden llegar a presentarlo.  Caso clínico: Lactante femenino con antecedente de 2 eventos de deshidratación. Se presenta a los 5 meses de vida con vómito, rechazo al alimento, tos crónica, poliuria, desnutrición, alcalosis metabólica, hipocaliemia, hiponatremia, hipocloremia y falla renal aguda. Se realizó estudio de tos crónica, con lo que se descartó tuberculosis pulmonar, enfermedad por reflujo gastroesofágico y alteración en la mecánica de la deglución. Ante la alcalosis metabólica sin tubulopatía se diagnosticó SPB; por la historia de desnutrición y tos crónica se sospechó de FQ, la cual se corroboró con medición de electrolitos en sudor y mediante análisis molecular de la mutación delta F508. Este es uno de los pocos casos reportados con SPB y esta mutación.  Conclusiones: En pacientes con cuadros repetitivos de deshidratación hiponatrémica con alcalosis metabólica hipoclorémica o SPB debe considerarse como diagnóstico diferencial FQ. La FQ pude presentarse como SPB, principalmente en pacientes menores de 2 años.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background: Pseudo Bartter syndrome (PBS) is defined as hypokalaemic hypochloraemic metabolic alkalosis in the absence of renal tubular pathology. Children with cystic fibrosis (CF) are at risk of developing electrolyte abnormalities and even PBS may occur.  Case report: 5 months old female infant with a history of two events of dehydration with vomit, refusal to eat, chronic cough, polyuria, malnutrition, metabolic alkalosis, hypokalemia, hyponatremia, hypochloremia and acute renal failure. Chronic cough study was performed, discarding pulmonary tuberculosis, gastroesophageal reflux disease and impaired swallowing. PBS was diagnosed due to hypokalaemic hypochloraemic metabolic alkalosis in the absence of renal tubular pathology. CF was corroborated by electrolytes in sweat and through molecular analysis of the delta F508 mutation. This is one of the few reported cases linking PBS and this mutation.  Conclusions: In patients with hyponatremic dehydration episodes with hypokalaemic hypochloraemic metabolic alkalosis, PBS should be considered as differential diagnosis. CF could be presented as PBS, mainly in patients younger than 2 years.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Síndrome pseudo-Bartter]]></kwd>
<kwd lng="es"><![CDATA[Fibrosis quística]]></kwd>
<kwd lng="es"><![CDATA[Deshidratación hiponatrémica]]></kwd>
<kwd lng="es"><![CDATA[Alcalosis metabólica]]></kwd>
<kwd lng="es"><![CDATA[DF508]]></kwd>
<kwd lng="en"><![CDATA[Pseudo-Bartter syndrome]]></kwd>
<kwd lng="en"><![CDATA[Cystic fibrosis]]></kwd>
<kwd lng="en"><![CDATA[Hyponatremic dehydration]]></kwd>
<kwd lng="en"><![CDATA[Metabolic alkalosis]]></kwd>
<kwd lng="en"><![CDATA[DF508]]></kwd>
</kwd-group>
</article-meta>
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