<?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>1139-7632</journal-id>
<journal-title><![CDATA[Pediatría Atención Primaria]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Pediatr Aten Primaria]]></abbrev-journal-title>
<issn>1139-7632</issn>
<publisher>
<publisher-name><![CDATA[Asociación Española de Pediatría de Atención Primaria]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1139-76322022000100011</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Utilidad de la ecografía como método diagnóstico de reflujo ácido patológico en comparación con la pHmetría esofágica]]></article-title>
<article-title xml:lang="en"><![CDATA[Usefulness of ultrasound as a diagnostic method of pathological acid reflux in comparison with esophageal pH measurement]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Yáñez]]></surname>
<given-names><![CDATA[Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez Gomis]]></surname>
<given-names><![CDATA[Rosmari]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Murcia Clemente]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pastor Rosado]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,CS de Mutxamel  ]]></institution>
<addr-line><![CDATA[Alicante ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General Universitario de Elche Servicio de Pediatría ]]></institution>
<addr-line><![CDATA[Elche ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Universitario del Vinalopó Servicio de Pediatría ]]></institution>
<addr-line><![CDATA[Elche ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>24</volume>
<numero>93</numero>
<fpage>e73</fpage>
<lpage>e79</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1139-76322022000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1139-76322022000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1139-76322022000100011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  el gold standard para el diagnóstico de reflujo ácido en Pediatría es la pHmetría 24 horas. La ecografía ha demostrado ser una técnica incruenta y existen pocos estudios que la comparen con la pHmetría.  Métodos:  estudio prospectivo, observacional y analítico. Se realizó estudio ecográfico a pacientes con indicación de pHmetría, y previa a esta. Se determinaron variables ecográficas propuestas por el grupo de ecografía de la SEGHNP (Gomes 1991 modificado), considerando la presencia de reflujo ácido patológico si tenía dos o más parámetros alterados.  Resultados:  se incluyeron 32 pacientes, 68,8% (n = 22) varones, entre 1 mes y 13 años. Tenían pHmetría patológica el 59,3% (n = 19). El diagnóstico de reflujo por ecografía según lo propuesto por la SEGHNP no se relacionó con el diagnóstico de reflujo ácido por pHmetría (p = 0,169). La ecografía presentó una sensibilidad de 60% y una especificidad del 61,5%, con valor predictivo positivo (VPP) de 70,58% y valor predictivo negativo de 53,3%. Al analizar cada variable ecográfica y compararla con la presencia de reflujo por pHmetría no hubo datos significativos. Sin embargo, un ángulo de Hiss patológico y una longitud del esófago abdominal menor de 1,3 cm se asociaron estadísticamente con reflujo ácido por pHmetría (p = 0,033), obteniendo un VPP, cociente de probabilidad positivo y probabilidad preprueba positiva altos (88,9%; 5,47; 89,1%, respectivamente), con proporción de falsos positivos bajo (7,7%).  Conclusión:  en nuestra población estudiada, los criterios ecográficos propuestos por la SEGHNP no se relacionan con pHmetría patológica, pero si la presencia de un esófago abdominal menor de 1,3 cm junto a un ángulo de Hiss mayor de 110°.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  the gold standard for diagnosis of acid reflux in pediatrics is 24h pHmetry. Ultrasound has proven to be a bloodless technique and there are few studies that compare it with pHmetry.  Methods:  prospective, observational and analytical study. Ultrasound study was performed on patients with an indication of pHmetry, and prior to it. Sonographic variables proposed by the SEGHNP ultrasound group (Gomes 1991 modified) were determined, considering the presence of pathological acid reflux if it had two or more altered parameters.  Results:  32 patients were included, 68.8% (n = 22) men, between 1 month and 13 years. 59.3% had pathological pHmetry (n = 19). The diagnosis of ultrasound reflux as proposed by SEGHNP was not related to the diagnosis of acid reflux by pHmetry (p = 0.169). The ultrasound showed a sensitivity of 60% and a specificity of 61.5%, with a positive predictive value (PPV) of 70.58% and a negative predictive value of 53.3%. When analyzing each ultrasound variable and comparing it with the presence of reflux by pHmetry there were no significant data. However, a pathological Hiss angle and an abdominal esophagus length of less than 1.3 cm were statistically related to acid reflux by pHmetry (p = 0.033), obtaining a PPV, positive probability ratio and positive pretest probability (88.9%, 5.47, 89.1%, respectively), with low false positive rate (7.7%).  Conclusion:  in our study population, the ultrasound criteria proposed by the SEGHNP are not related to pathological acid pHmetry, but the presence of an abdominal esophagus smaller than 1.3 cm along with a Hiss angle greater than 110°.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ecografía abdominal]]></kwd>
<kwd lng="es"><![CDATA[Enfermedad por reflujo gastroesofágico]]></kwd>
<kwd lng="es"><![CDATA[pHmetría]]></kwd>
<kwd lng="es"><![CDATA[Reflujo gastroesofágico]]></kwd>
<kwd lng="en"><![CDATA[Abdominal ultrasound]]></kwd>
<kwd lng="en"><![CDATA[Esophageal pH monitoring]]></kwd>
<kwd lng="en"><![CDATA[Gastroesophageal reflux]]></kwd>
<kwd lng="en"><![CDATA[Gastroesophageal reflux disease]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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