<?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>1817-5996</journal-id>
<journal-title><![CDATA[Revista Cubana de Reumatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cuba Reumatol]]></abbrev-journal-title>
<issn>1817-5996</issn>
<publisher>
<publisher-name><![CDATA[Editorial CIMEQ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1817-59962018000300001</article-id>
<article-id pub-id-type="doi">10.5281/zenodo.1469015</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Importancia de los valores de proteinuria para el diagnóstico de la nefropatía asociada al lupus eritematoso sistémico]]></article-title>
<article-title xml:lang="en"><![CDATA[Importance of proteinuria value for the diagnosis of nephropathy associated with systemic lupus erythematous]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Blanco Mesa]]></surname>
<given-names><![CDATA[Blanca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santana Porbén]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salabarría González]]></surname>
<given-names><![CDATA[José Reynaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Clínico quirúrgico &#8220;10 de Octubre&#8221; Servicio de Laboratorio Clínico ]]></institution>
<addr-line><![CDATA[Calzada de 10 de Octubre, Centro Habana, La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Pediátrico Docente &#8220;Juan Manuel Márquez&#8221; Servicio de Laboratorio Clínico Laboratorio de Estudios de la Función Renal]]></institution>
<addr-line><![CDATA[Marianao, La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>20</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1817-59962018000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1817-59962018000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1817-59962018000300001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La proteinuria persistente mayor que 0,15 g/24 horas-1 en un paciente lúpico indica nefropatía. La proteinuria estimada según la relación proteínas/creatinina (RPC) puede ser útil para diagnosticar la nefropatía asociada al lupus eritematoso sistémico.  Objetivo:  Determinar la presencia de proteinuria de 24 horas en pacientes con lupus eritematoso sistémico.  Métodos:  Se calculó la proteinuria de 24 horas según la razón proteínas/creatinina (RPC) de 60 pacientes (75,0 % de piel blanca, 95,0 % mujeres, 3,3 % de 60 o años, 51,6 % con más de 5 años de evolución de la enfermedad) atendidos en el Instituto de Reumatología del Hospital Clínico Quirúrgico &#8220;Diez de Octubre&#8221; de La Habana, Cuba, entre octubre de 2013 y septiembre de 2014, y agrupados según el filtrado glomerular estimado (eFG) y el tiempo de evolución de la enfermedad.  Resultados:  El eFG fue mayor o igual que 60 mL/min/m2 de superficie corporal en el 75 % de los pacientes y fue independiente del tiempo de evolución de la enfermedad lúpica. El 53,3 % de los pacientes mostró proteinuria mayor que 0,15 g/24 h. La proteinuria de 24 horas aumentó exponencialmente a medida que disminuyó el filtrado glomerular estimado. A mayor tiempo de evolución de la enfermedad fueron mayores los valores de proteinuria. El comportamiento de la proteinuria de 24 horas fue similar al observado con la albuminuria de 24 horas.  Conclusiones:  La proteinuria de 24 horas estimada de la RPC puede indicar la presencia de nefropatía lúpica incluso cuando el FG es mayor o igual que 60 mL/min/m2.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Persistent proteinuria values over 0,15 g in 24 hours in a lupus patient is indicative of nephropathy. Proteinuria value estimated based on the protein-creatinine ratio (PCR) may be useful in diagnosing nephropathy associated with systemic lupus erythematosus.  Objective:  To determine the presence of 24-hour proteinuria in patients with systemic lupus erythematosus.  Methods:  24-hour proteinuria was calculated based on the protein-creatinine ratio (PCR) of 60 patients (75,0 % of white skin, 95,0 % female, 3,3 % 60 or older, 51,6 % with more than 5 years of natural history of the disease) attended at Institute of Rheumatology of Diez de Octubre Clinical Surgical Hospital in Havana, Cuba, between October 2013 and September 2014, and grouped according to the estimated glomerular filtration rate (eGFR) and the time of natural history of the disease.  Results:  The eGFR was over than or equal to 60 mL/min/m2 of body surface in 75 % of the patients and was independent of the natural history of lupus. 53,3 % of the patients showed proteinuria value over 0,15 g in 24 hours. The 24-hour proteinuria value exponentially increased as the eGFR decreased. The longer the natural history of the disease, the higher the values of proteinuria. The behavior of the proteinuria value in 24 hours was similar to that observed with the albuminuria value in 24 hours.  Conclusions:  The estimated 24-hour proteinuria value based on PCR may be indicative of lupus nephropathy even when the GFR is conserved or is over than or equal to 60 mL/min/m2.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[lupus eritematoso sistémico]]></kwd>
<kwd lng="es"><![CDATA[proteinuria]]></kwd>
<kwd lng="es"><![CDATA[albuminuria]]></kwd>
<kwd lng="es"><![CDATA[nefropatía lúpica]]></kwd>
<kwd lng="en"><![CDATA[systemic lupus erythematous]]></kwd>
<kwd lng="en"><![CDATA[proteinuria]]></kwd>
<kwd lng="en"><![CDATA[lupus nephropathies]]></kwd>
</kwd-group>
</article-meta>
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