<?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>S2341-45452022000600023</article-id>
<article-id pub-id-type="doi">10.1159/000519934</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A Predictive Model for Avoiding Follow-Up Paracentesis in Spontaneous Bacterial Peritonitis]]></article-title>
<article-title xml:lang="pt"><![CDATA[Modelo preditivo para evitar a paracentese de seguimento na peritonite bacteriana espontânea]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[Ana Luísa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Coelho]]></surname>
<given-names><![CDATA[Rosa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Marco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morais]]></surname>
<given-names><![CDATA[Rui]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardoso]]></surname>
<given-names><![CDATA[Hélder]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Macedo]]></surname>
<given-names><![CDATA[Guilherme]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar Universitário de São João Gastroenterology Department ]]></institution>
<addr-line><![CDATA[São João ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Porto Medical School  ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,WGO Porto Training Center  ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>29</volume>
<numero>6</numero>
<fpage>23</fpage>
<lpage>30</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2341-45452022000600023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2341-45452022000600023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2341-45452022000600023&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  Recent studies suggest that follow-up paracentesis (FuP) in cases of spontaneous bacterial peritonitis (SBP) should only be performed if there is a clinical and/or analytic worsening. We aimed to evaluate which patients with SBP would benefit from the FuP.  Métodos:  This retrospective study included consecutive patients diagnosed with SBP between January 2011 and June 2018 in our tertiary center. Clinical and analytical data were obtained at baseline and on the third day of antibiotic therapy. An adequate response on the third day of treatment was defined by a decrease of &#8805;25% in the neutrophil count of the ascitic fluid (AF).  Results:  Ninety-six episodes of PBE in 75 patients (79% male sex, mean age 61 ± 11 years old) were included. At admission, a higher serum neutrophil count (p = 0.043), a lower level of serum total proteins (p = 0.040), a positive culture in AF (p &lt; 0.001) and a previous diagnosis of diabetes mellitus (p = 0.035) were related to inadequate response (IR). At day 3, acute kidney injury (p = 0.023), C-reactive protein &gt;100 mg/L (p &lt; 0.001), the presence of fever (p = 0.047) and abdominal pain (p &lt; 0.001) were also associated with IR. In multivariate analysis, the presence of respiratory insufficiency (OR = 16.403; 95% CI: 2.315-116.222; p = 0.005) and abdominal pain (OR = 10.381; 95% CI: 1.807-59.626; p = 0.009) at admission, serum white blood cell count &gt;9 × 109 (OR = 5.832; 95% CI: 1.275-26.669; p = 0.023), and CRP &gt;100 mg/L (OR = 5.043; 95% CI: 1.267-20.076; p = 0.022) at day 3 of antibiotic therapy were predictors of IR. The predictive model presented good accuracy [AUROC of 0.893 (p &lt; 0.001)] - a cutoff of 0.090 had a sensitivity, specificity, positive predictive value, and negative predictive value for IR of 97, 46, 83, and 77%, respectively.  Conclusions:  The performance of FuP on day 3 after the beginning of empiric therapy should be individualized, according to clinical and analytic variables of this predictive model.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução:  Estudos recentes têm sugerido a realização de paracentese de seguimento ao 3º dia, na peritonite bacteriana espontânea (PBE), apenas em doentes com agravamento clínico e/ou analítico. Este trabalho pretende avaliar quais os doentes em que a paracenteses ao 3º dia se mantém essencial.  Methods:  Estudo retrospetivo realizado em centro terciário, com inclusão dos doentes com PBE entre janeiro de 2011 e junho de 2018. Dados clínicos e analíticos foram obtidos à data de admissão e ao 3° dia de antibioterapia. A resposta terapêutica foi considerada adequada quando a contagem de neutrófilos no líquido ascítico era &#8805;25%.  Resultados:  Foram incluídos 96 episódios de PBE correspondentes a 75 doentes (79% homens, com idade media de 61 ± 11 anos). À admissão, a presença de diabetes mellitus (p = 0.035), uma maior contagem de neurófilos séricos (p = 0.043), nível inferior de proteínas séricas totais (p = 0.040) e positividade nas culturas de líquido ascítico total (p &lt; 0.001) relacionaram-se com inadequada resposta (IR). Ao 3° dia de antibioterapia, a presença de lesão renal aguda (p = 0.023), proteína C reativa &gt;100 mg/L (p &lt; 0.001), febre (p = 0.047) e dor abdominal (p &lt; 0.001) foram também associados a IR. Na análise multivariada, a presença de insuficiência respiratória (OR = 16.403; 95% CI: 2.315-116.222; p = 0.005) e dor abdominal (OR = 10.381; 95% CI: 1.807-59.626; p = 0.009) à admissão, contagem séria de leucócitos &gt;9 ×109 (OR = 5.832; 95% CI: 1.275-26.669; p = 0.023) e PCR &gt;100 mg/L (OR = 5.043; 95% CI: 1.267-20.076; p = 0.022) ao 3° dia de antibioterapia foram preditores de IR. O modelo preditivo apresentado apresenta boa acuidade [AUROC de 0.893 (p &lt; 0.001)] - para um cutoff de 0.090 tem uma sensibilidade, especificidade, valor preditivo positivo e valor preditivo negativo para IR de 97, 46, 83, e 77%, respetivamente.  Conclusões:  De acordo com o nosso modelo, a realização de paracenteses de seguimento ao 3 dia após início de antibioterapia empírica deverá ser individualizada, de segundo as variáveis clínicas e analíticas apresentadas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Spontaneous bacterial peritonites]]></kwd>
<kwd lng="en"><![CDATA[Liver]]></kwd>
<kwd lng="en"><![CDATA[Cirrhosis]]></kwd>
<kwd lng="en"><![CDATA[Antibiotics]]></kwd>
<kwd lng="en"><![CDATA[Paracentesis]]></kwd>
<kwd lng="pt"><![CDATA[Peritonite bacteriana espontânea]]></kwd>
<kwd lng="pt"><![CDATA[Fígado]]></kwd>
<kwd lng="pt"><![CDATA[Cirrose hepática]]></kwd>
<kwd lng="pt"><![CDATA[Antibioterapia]]></kwd>
<kwd lng="pt"><![CDATA[Paracentese]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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