<?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>0872-0169</journal-id>
<journal-title><![CDATA[Portuguese Journal of Nephrology & Hypertension]]></journal-title>
<abbrev-journal-title><![CDATA[Port J Nephrol Hypert]]></abbrev-journal-title>
<issn>0872-0169</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Nefrologia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0872-01692022000400223</article-id>
<article-id pub-id-type="doi">10.32932/pjnh.2022.10.206</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Dialysis Dependency at Discharge in De Novo ANCA Associated Renal Limited Vasculitis: Should We Avoid Further Immunosuppression?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nogueira]]></surname>
<given-names><![CDATA[Rui Filipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[Nuno Afonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gaudêncio]]></surname>
<given-names><![CDATA[Margarida]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Belmira]]></surname>
<given-names><![CDATA[Ana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alves]]></surname>
<given-names><![CDATA[Rui]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar e Universitário de Coimbra Serviço de Nefrologia ]]></institution>
<addr-line><![CDATA[Coimbra ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital da Figueira da Foz Serviço de Medicina Interna ]]></institution>
<addr-line><![CDATA[Figueira da Foz ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade de Coimbra Faculdade de Medicina ]]></institution>
<addr-line><![CDATA[Coimbra ]]></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>36</volume>
<numero>4</numero>
<fpage>223</fpage>
<lpage>232</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0872-01692022000400223&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0872-01692022000400223&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0872-01692022000400223&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  ANCA associated vasculitis commonly affects the kidneys. The intense inflammatory damage disrupts the glomerular architecture. Induction immunosuppressive therapy is responsible for a large part of the morbidity and mortality of these patients, due to infectious complications. This highlights the importance of defining risk factors associated with a worse renal prognosis in order to select the patients who would benefit the most from immunosuppressive therapy when it comes to renal limited vasculitis.  Methods:  Retrospective collection of data from patients admitted to the Coimbra&#8217;s University Hospital Nephrology Department with the diagnosis of de novo ANCA vasculitis, between 01-06-2009 and 01-06-2019. Data were analysed with SPSS v26® using parametric and nonparametric tests, Kaplan Meyer survival and ROC curve analysis.  Results:  There were 81 cases of de novo vasculitis, mainly due to anti-MPO antibody associated vasculitis (N=69; 85.2%). Mean age at diagnosis was 67.4 ± 15.7 years and most patients were male (N=47; 58%). At admission, patients had a mean serum creatinine (sCr) of 6.8 ± 4.0 mg/dL. Dialysis was required in 23 (28.4%) patients at admission and 44.4% were dependent on renal replacement therapy at discharge. Among dialysis-dependent patients at discharge treated with immunosuppression for at least 3 months (N=15) we observed partial kidney recovery in 2 (13.3%). Deaths were mostly (N=8/11; 72.7%) caused by infections.  Discussion:  Our results call into question the need for aggressive induction treatment in dialysis-dependent patients without extrarenal manifestations.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/diagnosis]]></kwd>
<kwd lng="en"><![CDATA[Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/ therapy]]></kwd>
<kwd lng="en"><![CDATA[Glomerulonephritis]]></kwd>
<kwd lng="en"><![CDATA[Immunosuppression Therapy]]></kwd>
<kwd lng="en"><![CDATA[Renal Dialysis]]></kwd>
</kwd-group>
</article-meta>
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