<?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>S0872-01692022000100031</article-id>
<article-id pub-id-type="doi">10.32932/pjnh.2022.03.167</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Case series of COVID-19 in chronic kidney disease patients under peritoneal dialysis at a northern Portuguese center]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Rui F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendonça]]></surname>
<given-names><![CDATA[Luís]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[Luciano]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Beco]]></surname>
<given-names><![CDATA[Ana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar de São João Serviço de Nefrologia ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>36</volume>
<numero>1</numero>
<fpage>31</fpage>
<lpage>34</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0872-01692022000100031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0872-01692022000100031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0872-01692022000100031&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT COVID-19 is a pandemic and life-threatening respiratory disease. Chronic kidney disease is a probable risk factor for more severe COVID-19, but outcomes in the peritoneal dialysis population are scarce. We analyzed our peritoneal dialysis center COVID-19 cases from March 2020 to January 2021, before full vaccination with the Pfizer BNT 162b2 mRNA vaccine in February 2021. There were 13 cases of COVID-19 out of 96 patients on peritoneal dialysis (cumulative incidence 13,5 cases per 1000 patients-month). Nine were considered mild (76,9%), two moderate (15,4%) and one severe/critical (7,7%). There was one asymptomatic case. The most common presenting signs and symptoms were myalgia, cough, fever, asthenia, hypotension, and loss of smell and/or taste. Only one patient required oxygen in the ICU. There was a hospitalization rate of 30,8% (three mild and one severe/critical) and a median time of hospitalization until discharge, or death, of 6 days. The most common reason for hospitalization was hypotension and asthenia, without respiratory failure (three mild out of four hospitalizations). One patient died (7,7%) and 12 patients recovered well (92,3%). Of eleven patients presenting with COVID-19 symptoms, nine reported persisting symptoms for over one month (81,8%). In conclusion, COVID-19 in patients under peritoneal dialysis had a relatively benign course with symptoms mainly unrelated to the respiratory tract.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[peritoneal dialysis]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
</kwd-group>
</article-meta>
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