<?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>2341-4545</journal-id>
<journal-title><![CDATA[GE-Portuguese Journal of Gastroenterology]]></journal-title>
<abbrev-journal-title><![CDATA[GE Port J Gastroenterol]]></abbrev-journal-title>
<issn>2341-4545</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Gastrenterologia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2341-45452025000200026</article-id>
<article-id pub-id-type="doi">10.1159/000540698</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Real-Time Gastric Juice Analysis in Cirrhotic Patients: Can We Avoid Unrewarding Gastric Biopsies?]]></article-title>
<article-title xml:lang="pt"><![CDATA[Análise do suco gástrico em tempo real em pacientes cirróticos: podemos evitar biópsias gástricas insatisfatórias?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peralta]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calvaruso]]></surname>
<given-names><![CDATA[Vincenza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Giorgio]]></surname>
<given-names><![CDATA[Francesca Di]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peralta]]></surname>
<given-names><![CDATA[Marco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martino]]></surname>
<given-names><![CDATA[Vincenzo Di]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Florena]]></surname>
<given-names><![CDATA[Ada Maria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zullo]]></surname>
<given-names><![CDATA[Angelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Palermo Gastroenterology and Hepatology Section Department of Internal Medicine]]></institution>
<addr-line><![CDATA[Palermo ]]></addr-line>
<country>Italy</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,&#8220;Nuovo Regina Margherita&#8221; Hospital Gastroenterology and Endoscopy ]]></institution>
<addr-line><![CDATA[Rome ]]></addr-line>
<country>Italy</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2025</year>
</pub-date>
<volume>32</volume>
<numero>2</numero>
<fpage>26</fpage>
<lpage>31</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2341-45452025000200026&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2341-45452025000200026&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2341-45452025000200026&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  To search for H. pylori infection and gastric precancerous lesions in cirrhotic patients is worthwhile when considering the high incidence of peptic ulcers and gastric cancer in these patients. We tested if gastric juice analysis allows to avoid unrewarding gastric biopsies.  Methods:  This prospective study enrolled consecutive patients with liver cirrhosis who underwent upper endoscopy with standard gastric biopsies. Real-time gastric juice analysis was performed with a speci&#64257;c device (EndoFaster®) that test ammonium concentration for H. pylori diagnosis, and pH values to suspect extensive atrophy/metaplasia involving gastric body mucosa. Sensitivity, speci&#64257;city, positive predictive value, negative predictive value (NPV), the overall accuracy, and the likelihood ratio were calculated for both H. pylori infection and extensive precancerous lesions on gastric mucosa.  Results:  A total of 78 cirrhotic patients (males: 55; mean age: 66 ± 12 years) were enrolled. When considering as positive EndoFaster® results when at least one of two (ammonium and pH levels) tests were positive, the NPVs were as high as 89%and 86%, respectively, to rule out H. pylori and extensive precancerous lesions on gastric mucosa, with an overall accuracy of 83% and 74%.  Conclusions:  This study supports the evidence that real-time gastric juice analysis allows to avoid clinically unrewarding and potentially unsafe gastric biopsies in a de&#64257;nite portion of cirrhotic patients, but more data are needed.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução/Objetivo:  A pesquisa de infeção H. pylori e lesões pré-malignas gástricas em doentes cirróticos é relevante, considerando a elevada incidência de úlceras pépticas e cancro gástrico nesta população. Avaliámos se a análise do suco gástrico permite evitar biópsias gástricas desnecessárias.  Métodos:  Estudo prospetivo incluindo doentes cirróticos consecutivos submetidos a endoscopia digestiva alta com biópsias gástricas. Foi realizada análise do suco gástrico em tempo real com dispositivo EndoFaster®, que avalia a concentração de amónia para diagnóstico de H. pylori e o pH para avaliação de atro&#64257;a/metaplasia extensa da mucosa gástrica. Calculámos a sensibilidade, especi&#64257;cidade, valor preditivo positivo (VPP), valor preditivo negativo (VPN), acuidade global e likelihood ratio para a infeção por H. pylori e lesões gástricas pré-malignas extensas.  Resultados:  Foram incluídos 78 doentes cirróticos (sexo masculino: 55; idade média: 66 ± 12 anos). Considerando resultados positivos do EndoFaster® quando pelo menos um dos dois testes (amónia e pH) apresentava valor positivo, os VPNs atingiram 89% e 86% para exclusão de infeção por H. pylori e lesões pré-malignas extensas na mucosa gástrica, respetivamente, com uma acuidade global de 83% e 74%.  Conclusão:  Este estudo suporta que a análise do suco gástrico em tempo real permite evitar biópsias gástricas clinicamente desnecessárias e potencialmente inseguras numa determinada percentagem de doentes cirróticos. No entanto, são necessários mais dados.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Cirrhosis]]></kwd>
<kwd lng="en"><![CDATA[H. pylori]]></kwd>
<kwd lng="en"><![CDATA[Gastric precancerous lesions]]></kwd>
<kwd lng="en"><![CDATA[Gastric juice analysis]]></kwd>
<kwd lng="en"><![CDATA[Ammonia]]></kwd>
<kwd lng="en"><![CDATA[pH]]></kwd>
<kwd lng="pt"><![CDATA[Cirrose]]></kwd>
<kwd lng="pt"><![CDATA[H.pylori]]></kwd>
<kwd lng="pt"><![CDATA[Lesões pré-malignas gástricas]]></kwd>
<kwd lng="pt"><![CDATA[Análisedo suco gástrico]]></kwd>
<kwd lng="pt"><![CDATA[Amónia]]></kwd>
<kwd lng="pt"><![CDATA[pH]]></kwd>
</kwd-group>
</article-meta>
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