<?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>0034-7523</journal-id>
<journal-title><![CDATA[Revista Cubana de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[Rev cubana med]]></abbrev-journal-title>
<issn>0034-7523</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-75232008000300003</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Supervivencia en pacientes cubanos con lupus eritematoso sistémico: influencia de las características iniciales de la enfermedad]]></article-title>
<article-title xml:lang="en"><![CDATA[Survival of Cuban patients with systemic erythematous lupus: influence of the initial characteristics of the disease]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estévez del Toro]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chico Capote]]></surname>
<given-names><![CDATA[Araceli]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez Paneque]]></surname>
<given-names><![CDATA[Rosa]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marin Gil]]></surname>
<given-names><![CDATA[José Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castell Perez]]></surname>
<given-names><![CDATA[Concepción]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kokuina]]></surname>
<given-names><![CDATA[Elena]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Clinicoquirúrgico Hermanos Ameijeiras  ]]></institution>
<addr-line><![CDATA[Ciudad de La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2008</year>
</pub-date>
<volume>47</volume>
<numero>3</numero>
<fpage>0</fpage>
<lpage>0</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75232008000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75232008000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75232008000300003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Introducción: El Lupus eritematoso sistémico (LES) es una enfermedad autoimmune con un riesgo elevado de desarrollar complicaciones. Objetivo: Conocer las tasas de supervivencia, factores pronósticos según características presentes al inicio de la enfermedad y causas de muerte de los pacientes con LES. Métodos: Se estudió una cohorte de 244 pacientes con diagnóstico de LES, atendidos en el Servicio de Reumatología del Hospital "Hermanos Ameijeiras" entre septiembre de 1991 y agosto del 2006. Se recogieron características sociodemográficas, clínicas, de laboratorio e histológicas presentes al inicio de la enfermedad. Se realizó un análisis estadístico para relacionarlas con la supervivencia. Se establecieron las causas de muerte, según los datos clínicos y al examen post morten, se estimó la supervivencia según el tiempo de diagnóstico y la fecha de última noticia, mediante el método de Kaplan - Meier. Resultados: Fallecieron 34 de los 244 pacientes, las causas más frecuentes de muerte fueron las infecciones, en el 32,3 % de los casos .Las tasas de supervivencia a los 5, 10 y 15 años fueron de 93, 82,5 y 70 %, respectivamente. Las variables asociadas a menor supervivencia fueron la trombocitopenia (p=0,005), antiDNA elevado (p=0,037), fracción C3 baja (p=0,000), fracción C4 baja (p=0,000), Addis de 2 h alterado (p=0,004), proteinuria de mas de 0,5 g (p=0,024), creatinina elevada (p=0,000) y filtrado glomerular disminuido (p=0,000). Fueron factores independientes asociados a baja supervivencia la trombocitopenia, la fracción C3 del complemento baja y creatinina sérica elevada. Conclusiones: La supervivencia de pacientes cubanos con LES es a los 5 años similar a la de varios estudios de países desarrollados, variables asociadas a baja supervivencia dependen de características propias de la enfermedad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Introduction: The systemic erythematous lupus (SEL) is an autoimmune disase with an elevated risk for developing complications. Objective: To know the survival rates, prognostic factors according to the characteristics present at the onset of the disease and causes of death of the patients with SEL. Methods: A cohort of 244 patients with diagnosis of SEL that received attention at the Rheumatology Service of "Hermanos Ameijeiras" Hospital from September 1991 to August 2006 were studied. Sociodemographic, clinical, lab and histological characteristics observed at the onset of the disease were collected. A statistical analysis was made to relate them to survival. The causes of death according to clinical data and to the postmortem examination were determined, and survival was estimated in accordance with the diagnosis and the last notice date by Kaplan-Meier's method. Results: 34 of the 244 patients died. The most common cause of death was infection in 32.3 % of the cases. The survival rates at 5, 10 and 15 years were 93, 82.5 and 70 %, respectively. The variables associated with a lower survival were thrombocytopenia (p=0.005), elevated antiDNA (p=0.037), low C3 fraction (p=0.000), low C4 fraction (p=0.000), Addis at 2 h altered (p=0.004), proteinuria over 0.5 g (p=0.024), elevated creatinin (p=0.000) and reduced glomerular filtrate (p=0.000). The independent factors associated with low survival were thrombocytopenia, low complement C3 fraction and elevated serum creatinin. Conclusions: the survival of Cuban patients with SEL at 5 years is similar to the one reported by diverse studies conducted in developed countries. The variables associated with low survival depend on the own characteristics of the disease.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Lupus eritematoso sistémico]]></kwd>
<kwd lng="es"><![CDATA[supervivencia]]></kwd>
<kwd lng="en"><![CDATA[Systemic erythematous lupus]]></kwd>
<kwd lng="en"><![CDATA[survival]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <P align="right">     <div align="right">       <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>TRABAJOS ORIGINALES</B></font></p>       <p>&nbsp;</p>       <p><B> </B></p> </div> <B>      <P>      <P>      <P>      <P><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Supervivencia en    pacientes cubanos con lupus eritematoso sist&eacute;mico, influencia de las    caracter&iacute;sticas iniciales de la enfermedad </font>     <P>     ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="3">Survival of Cuban    patients with systemic erythematous lupus, influence of the initial characteristics    of the disease</font>      <P>     <P>     <P>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Miguel Est&eacute;vez    del Toro<SUP>I</SUP>;<SUP> </SUP>Araceli Chico Capote<SUP>II</SUP>; Rosa Jim&eacute;nez    Paneque<SUP>III</SUP>; Jos&eacute; Miguel Marin Gil<SUP>IV</SUP>;<SUP> </SUP>Concepci&oacute;n    Castell Perez<SUP>I</SUP>;<SUP> </SUP>Elena Kokuina<SUP>V</SUP></font> </B>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><SUP>I</SUP>Especialista    de II Grado en Reumatolog&iacute;a. Profesor Auxiliar. Hospital Clinicoquir&uacute;rgico    &quot;Hermanos Ameijeiras&quot;, Servicio de Reumatolog&iacute;a. La Habana,    Cuba.     <br>   </font><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><SUP>II</SUP>Doctora    en Ciencias M&eacute;dicas. Especialista de II Grado en Reumatolog&iacute;a.    Profesora Titular. Investigadora Titular. Hospital Clinicoquir&uacute;rgico    &quot;Hermanos Ameijeiras&quot;, Servicio de Reumatolog&iacute;a. La Habana,    Cuba.     <br>   </font>     ]]></body>
<body><![CDATA[<P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><SUP>III</SUP>Doctora    en Ciencias M&eacute;dicas. Especialista de II Grado en Bioestad&iacute;stica.    Profesora Titular. Investigadora Titular. Hospital Clinicoquir&uacute;rgico    &quot;Hermanos Ameijeiras&quot;, Servicio de Reumatolog&iacute;a. La Habana,    Cuba.     <br>   </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><SUP>IV</SUP>Especialista    de I Grado en Medicina General Integral. Especialista de I Grado en Reumatolog&iacute;a.    Hospital Clinicoquir&uacute;rgico &quot;Hermanos Ameijeiras&quot;, Servicio    de Reumatolog&iacute;a. La Habana, Cuba.     <br>   </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><SUP>V</SUP>Especialista    de II Grado en Inmunolog&iacute;a. Profesora Auxiliar. Hospital Clinicoquir&uacute;rgico    &quot;Hermanos Ameijeiras&quot;, Servicio de Reumatolog&iacute;a. La Habana,    Cuba. </font>      <P>     <P> <hr size="1" noshade> <B></B><B>      ]]></body>
<body><![CDATA[<P>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">RESUMEN </font>     <P>  </B>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>Introducci&oacute;n:    </b>El Lupus eritematoso sist&eacute;mico (LES) es una enfermedad autoimmune    con un riesgo elevado de desarrollar complicaciones. <B>Objetivo: </B>Conocer    las tasas de supervivencia, factores pron&oacute;sticos seg&uacute;n caracter&iacute;sticas    presentes al inicio de la enfermedad y causas de muerte de los pacientes con    LES. <B>M&eacute;todos: </B>Se estudi&oacute; una cohorte de 244 pacientes con    diagn&oacute;stico de LES, atendidos en el Servicio de Reumatolog&iacute;a del    Hospital &quot;Hermanos Ameijeiras&quot; entre septiembre de 1991 y agosto del    2006. Se recogieron caracter&iacute;sticas sociodemogr&aacute;ficas, cl&iacute;nicas,    de laboratorio e histol&oacute;gicas presentes al inicio de la enfermedad. Se    realiz&oacute; un an&aacute;lisis estad&iacute;stico para relacionarlas con    la supervivencia. Se establecieron las causas de muerte, seg&uacute;n los datos    cl&iacute;nicos y al examen <I>post morten</I>, se estim&oacute; la supervivencia    seg&uacute;n el tiempo de diagn&oacute;stico y la fecha de &uacute;ltima noticia,    mediante el m&eacute;todo de Kaplan - Meier. <B>Resultados:</B> Fallecieron    34 de los 244 pacientes, las causas m&aacute;s frecuentes de muerte fueron las    infecciones, en el 32,3 % de los casos .Las tasas de supervivencia a los 5,    10 y 15 a&ntilde;os fueron de 93, 82,5 y 70 %, respectivamente. Las variables    asociadas a menor supervivencia fueron la trombocitopenia (p=0,005), antiDNA    elevado (p=0,037), fracci&oacute;n C<SUB>3</SUB> baja (p=0,000), fracci&oacute;n    C<SUB>4</SUB> baja (p=0,000), Addis de 2 h alterado (p=0,004), proteinuria de    mas de 0,5 g (p=0,024), creatinina elevada (p=0,000) y filtrado glomerular disminuido    (p=0,000). Fueron factores independientes asociados a baja supervivencia la    trombocitopenia, la fracci&oacute;n C3 del complemento baja y creatinina s&eacute;rica    elevada. <B>Conclusiones:</B> La supervivencia de pacientes cubanos con LES    es a los 5 a&ntilde;os similar a la de varios estudios de pa&iacute;ses desarrollados,    variables asociadas a baja supervivencia dependen de caracter&iacute;sticas    propias de la enfermedad. </font>      <P>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>Palabras clave:    </B>Lupus eritematoso sist&eacute;mico, supervivencia.</font> <hr size="1" noshade>     <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>ABSTRACT</b></font>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Introduction: The    systemic erythematous lupus (SEL) is an autoimmune disase with an elevated risk    for developing complications. Objective: To know the survival rates, prognostic    factors according to the characteristics present at the onset of the disease    and causes of death of the patients with SEL. Methods: A cohort of 244 patients    with diagnosis of SEL that received attention at the Rheumatology Service of    &quot;Hermanos Ameijeiras&quot; Hospital from September 1991 to August 2006    were studied. Sociodemographic, clinical, lab and histological characteristics    observed at the onset of the disease were collected. A statistical analysis    was made to relate them to survival. The causes of death according to clinical    data and to the postmortem examination were determined, and survival was estimated    in accordance with the diagnosis and the last notice date by Kaplan-Meier's    method. Results: 34 of the 244 patients died. The most common cause of death    was infection in 32.3 % of the cases. The survival rates at 5, 10 and 15 years    were 93, 82.5 and 70 %, respectively. The variables associated with a lower    survival were thrombocytopenia (p=0.005), elevated antiDNA (p=0.037), low C3    fraction (p=0.000), low C4 fraction (p=0.000), Addis at 2 h altered (p=0.004),    proteinuria over 0.5 g (p=0.024), elevated creatinin (p=0.000) and reduced glomerular    filtrate (p=0.000). The independent factors associated with low survival were    thrombocytopenia, low complement C3 fraction and elevated serum creatinin. Conclusions:    the survival of Cuban patients with SEL at 5 years is similar to the one reported    by diverse studies conducted in developed countries. The variables associated    with low survival depend on the own characteristics of the disease. </font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Key words:</b>    Systemic erythematous lupus, survival.</font></p> <hr size="1" noshade>     <p>&nbsp;</p>     <P>      <P>      <P>     <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B><font size="3">INTRODUCCI&Oacute;N    </font> </B> </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La supervivencia    de los pacientes con lupus eritematoso sist&eacute;mico (LES) ha mejorado de    forma relevante en los &uacute;ltimos a&ntilde;os.<SUP>1 </SUP>Varios factores    han influido en esta mejor&iacute;a, dentro de ellos se encuentran: el temprano    diagn&oacute;stico de la enfermedad, la posibilidad de atender mejor las alteraciones    que ocasionan da&ntilde;o vascular como la hipertensi&oacute;n arterial, el    s&iacute;ndrome nefr&oacute;tico y el s&iacute;ndrome antifosfol&iacute;pido,    el tratamiento m&aacute;s especifico de las infecciones, la identificaci&oacute;n    de formas ligeras y moderadas de la enfermedad y la disponibilidad de m&aacute;s    intensos esquemas de tratamiento que combinan diversos agentes inmunosupresores    y altas dosis de corticosteroides.<SUP>2,3</SUP> </font>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">No obstante, entre    3 y 18 % de los pacientes en distintas series mueren en los primeros 5 a&ntilde;os    de presentaci&oacute;n de la enfermedad.<SUP>4-6</SUP> </font>     <P>      ]]></body>
<body><![CDATA[<P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Los fallecimientos    se relacionan con la nefritis, la enfermedad del sistema nervioso central, las    alteraciones hematol&oacute;gicas, el da&ntilde;o en &oacute;rganos vitales,    las infecciones intercurrentes, las complicaciones relacionadas con el tratamiento    y, a largo plazo, con la aterosclerosis.<SUP>7-9</SUP> </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La disminuci&oacute;n    de las causas de muerte vinculadas a enfermedad activa ha repercutido en la    mayor supervivencia y en estos &uacute;ltimos a&ntilde;os son diferentes a las    reportadas en el pasado; en la actualidad, las m&aacute;s frecuentes en pacientes    con LES son las infecciones, procesos cardiovasculares asociados a la aterosclerosis    y el c&aacute;ncer.<SUP>10</SUP> </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Diversos estudios    han identificado variables que de forma significativa influyen sobre la supervivencia,    incluyendo caracter&iacute;sticas demogr&aacute;ficas, socioecon&oacute;micas,    cl&iacute;nicas, de laboratorio e histol&oacute;gicas.<SUP>10,11</SUP> Sin embargo,    la contribuci&oacute;n de caracter&iacute;sticas iniciales de la enfermedad,    tanto cl&iacute;nicas como de laboratorio, en la evoluci&oacute;n del LES no    han sido bien examinadas. </font>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">El objetivo de    este estudio es determinar la relaci&oacute;n de caracter&iacute;sticas demogr&aacute;ficas,    cl&iacute;nicas, de laboratorio e histol&oacute;gicas presentes al inicio de    la enfermedad con la mortalidad de una cohorte de pacientes cubanos con LES,    as&iacute; como identificar las causas principales de muerte.</font>     <P>     <P>      <P><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><B>M&Eacute;TODOS</B>    </font>     ]]></body>
<body><![CDATA[<P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Se realiz&oacute;    un estudio longitudinal prospectivo del universo de pacientes con diagn&oacute;stico    de LES en el Servicio de Reumatolog&iacute;a del Hospital &quot;Hermanos Ameijeiras&quot;    seg&uacute;n los criterios de clasificaci&oacute;n del Colegio Americano de    Reumatolog&iacute;a (ACR)<SUP>12</SUP> y seguidos en la instituci&oacute;n a    partir de septiembre del a&ntilde;o 1991 hasta agosto del 2006, se incluyeron    los pacientes que cumplieran con 4 o m&aacute;s de los criterios de clasificaci&oacute;n    de LES, se excluyeron los que no se conoc&iacute;a su evoluci&oacute;n por no    mantenerse en seguimiento por consulta y no conocerse su estado en el momento    de cierre del<B><I> </I></B>estudio. </font>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La informaci&oacute;n    se obtuvo del expediente individual que se lleva de cada paciente con este diagn&oacute;stico.    Los datos se recogieron en una encuesta que incluy&oacute; las variables sociodemogr&aacute;ficas,    cl&iacute;nicas y de laboratorio presentes al momento del diagn&oacute;stico    o en el primer a&ntilde;o de realizado el mismo, incluyendo la clase histol&oacute;gica    de nefritis l&uacute;pica de los casos a los que se les hizo biopsia renal en    el primer a&ntilde;o, seg&uacute;n la clasificaci&oacute;n de la Organizaci&oacute;n    Mundial de la Salud modificada.</font><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><SUP>13        <br>       <br>   </SUP></font><SUP> </SUP> <SUP>     <P>  </SUP>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Se precis&oacute;    el tiempo de evoluci&oacute;n a partir de la fecha del diagn&oacute;stico, fecha    de la &uacute;ltima visita, fecha del fallecimiento y causa b&aacute;sica de    la muerte. </font>     <P>    <br>     <P>      ]]></body>
<body><![CDATA[<P> <font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>An&aacute;lisis    estad&iacute;stico    <br>   </B></font>    <br>   <B> </B> <B>     <P>  </B>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La informaci&oacute;n    se llev&oacute; a una base de datos y se proces&oacute; utilizando el paquete    estad&iacute;stico SPSS 10.0, para conocer la significaci&oacute;n de las variables    analizadas, se aplic&oacute; el <I>test</I> de chi cuadrado para variables cualitativas    y el de t - Student para las cuantitativas. La significaci&oacute;n se fij&oacute;    en p &lt; 0,05. Se determinaron las tasas de supervivencia de los casos las    cuales fueron representadas en una curva (Kaplan-Meier) donde se reflejaron    las tasas a los 5, 10 y 15 a&ntilde;os de observaci&oacute;n. </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Se utiliz&oacute;    tambi&eacute;n el modelo de Cox para la evaluaci&oacute;n de la influencia de    variables independientes sobre la supervivencia. </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">El estudio fue    aprobado por el Departamento de Investigaciones del Hospital &quot;Hermanos    Ameijeiras.&quot; </font>     <P>     ]]></body>
<body><![CDATA[<P>      <P><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><B>RESULTADOS</B>    </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La investigaci&oacute;n    incluy&oacute; 244 pacientes, de estos 228 (93,4 %) eran del sexo femenino y    16 (6,6 %), del masculino. En el per&iacute;odo de observaci&oacute;n fallecieron    34 casos que representan una mortalidad del 13,9 %; como se muestra en la <U><a href="/img/revistas/med/v47n3/t0103308.gif">tabla    1,</a></U> fallecieron 31 mujeres y 3 hombres lo que no tuvo significaci&oacute;n,    desde el punto de vista estad&iacute;stico. </font>     
<P align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La    supervivencia acumulada a los 5, 10 y 15 a&ntilde;os, despu&eacute;s del diagn&oacute;stico,    fue de 93, 82,5 y 70 %, respectivamente (<U><a href="/img/revistas/med/v47n3/f0103308.gif">fig.</a></U>).</font>      
<P align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">En    la <U><a href="/img/revistas/med/v47n3/t0203308.gif">tabla 2</a></U> se recogen las causas de muerte,    las m&aacute;s frecuentes fueron las infecciones presentes en 11 pacientes lo    que representa el 32,3 % de las mismas, seguidas por la enfermedad renal terminal    que se present&oacute; como causa b&aacute;sica de muerte en 9 pacientes lo    que represent&oacute; el 26,5 % de los fallecidos. </font>      
<P align="center"> <font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Tabla    2.</b> Causas de muerte    <br>       <br>   </font>     <div align="center">   <table width="75%" border="1">     <tr>        <td width="36%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Causa          N = 34 </font>    ]]></body>
<body><![CDATA[<br>       </td>       <td width="17%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">No.            </font></div>       </td>       <td width="17%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(%)            </font></div>       </td>       <td width="30%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Duraci&oacute;n            de la enfermedad    <br>           (media en a&ntilde;os)</font></div>       </td>     </tr>     <tr>        <td width="36%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Infecciones              <br>         </font></td>       <td width="17%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">11                <br>           </font></div>       </td>       <td width="17%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(32,3)                <br>           </font></div>       </td>       <td width="30%">              ]]></body>
<body><![CDATA[<div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">6,3</font></div>       </td>     </tr>     <tr>        <td width="36%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Enfermedad          renal terminal     <br>         </font></td>       <td width="17%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">9</font></div>       </td>       <td width="17%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">            (26,5) </font></div>       </td>       <td width="30%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">10,1</font></div>       </td>     </tr>     <tr>        <td width="36%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Enfermedad          vascular aterosclerotica     <br>         </font></td>       <td width="17%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">7</font></div>       </td>       <td width="17%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">            (20,6)</font></div>       </td>       <td width="30%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">            9,2</font></div>       </td>     </tr>     <tr>        <td width="36%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Lupus          activo     <br>         </font></td>       <td width="17%">              ]]></body>
<body><![CDATA[<div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">6</font></div>       </td>       <td width="17%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">            (17,7) </font></div>       </td>       <td width="30%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">4,5</font></div>       </td>     </tr>     <tr>        <td width="36%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">C&aacute;ncer          </font></td>       <td width="17%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">1            </font></div>       </td>       <td width="17%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(2,9)                <br>           </font></div>       </td>       <td width="30%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">15</font>          </div>       </td>     </tr>   </table> </div>     <P>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Se analiz&oacute;    la influencia de un grupo de variables sociodemogr&aacute;ficas en la supervivencia    de los pacientes y no se encontr&oacute; asociaci&oacute;n con ninguna de ellas,    como lo son: la edad al presentarse la enfermedad, color de la piel, lugar de    procedencia, nivel escolar, estado civil y ocupaci&oacute;n. </font>     ]]></body>
<body><![CDATA[<P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La tabla 3    muestra la influencia de un grupo de variables cl&iacute;nicas, la mayor&iacute;a    de ellas que constituyen parte de los criterios de clasificaci&oacute;n de la    enfermedad y, como se puede observar, ninguna se asoci&oacute; con la supervivencia    de los enfermos.</font>      <P align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Tabla    3.</b> Variables cl&iacute;nicas y supervivencia    <br>       <br>   </font>     <div align="center">   <table border="1">     <tr>        <td rowspan="2" width="132">              <p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">    <br>           Factor </font></p>             <p align="center">&nbsp;</p>       </td>       <td colspan="2">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Fallecidos            n = 34</font></div>       </td>       <td colspan="2">              ]]></body>
<body><![CDATA[<div align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Vivos            n = 210</font></div>       </td>       <td rowspan="2" width="51">              <div align="center"></div>             <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">p</font></div>       </td>     </tr>     <tr>        <td width="74">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">No.            </font></div>       </td>       <td width="77">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(%)</font></div>       </td>       <td width="72">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">No.            </font></div>       </td>       <td width="65">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(%)</font></div>       </td>     </tr>     <tr>        <td width="132" height="15"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Eritema          facial    <br>         </font></td>       <td width="74" height="15">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">22                <br>               ]]></body>
<body><![CDATA[<br>           </font></div>       </td>       <td width="77" height="15">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(64,7)    <br>           </font></div>       </td>       <td width="72" height="15">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">130    <br>               <br>           </font></div>       </td>       <td width="65" height="15">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">    <br>           (61,9)</font> </div>             <p align="center">&nbsp;</p>       </td>       <td width="51" height="15">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0,780</font></p>       </td>     </tr>     <tr>        <td width="132" height="2"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Eritema          discoide    ]]></body>
<body><![CDATA[<br>         </font></td>       <td width="74" height="2">              <p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">12</font></p>       </td>       <td width="77" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(35,2)            </font> </div>             <p align="center">&nbsp;</p>             <p align="center"></p>       </td>       <td width="72" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">56</font></div>       </td>       <td width="65" height="2">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(26,6)</font></p>             <p align="center">&nbsp;</p>             <p align="center"></p>       </td>       <td width="51" height="2">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0,306    ]]></body>
<body><![CDATA[<br>           </font></p>       </td>     </tr>     <tr>        <td width="132" height="2"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Fotosensibilidad    <br>         </font></td>       <td width="74" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">23    <br>           </font></div>       </td>       <td width="77" height="2">              <p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(67,6)    <br>           </font></p>       </td>       <td width="72" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">104    <br>           </font></div>       </td>       <td width="65" height="2">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(49,5)</font></p>             <p align="center">&nbsp;</p>       </td>       <td width="51" height="2">              ]]></body>
<body><![CDATA[<p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0,053    <br>           </font></p>       </td>     </tr>     <tr>        <td width="132" height="2"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Alopecia    <br>         </font></td>       <td width="74" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">18    <br>           </font></div>       </td>       <td width="77" height="2">              <p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(52,9)    <br>           </font></p>       </td>       <td width="72" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">99    <br>           </font></div>       </td>       <td width="65" height="2">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(47,1)</font></p>             ]]></body>
<body><![CDATA[<p align="center">&nbsp;</p>       </td>       <td width="51" height="2">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0,546    <br>           </font></p>       </td>     </tr>     <tr>        <td width="132" height="2"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">&Uacute;lceras          orales    <br>         </font></td>       <td width="74" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">8    <br>           </font></div>       </td>       <td width="77" height="2">              <p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(23,5)</font></p>             <p align="center">&nbsp;</p>       </td>       <td width="72" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">55    <br>           </font></div>       </td>       <td width="65" height="2">              ]]></body>
<body><![CDATA[<p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(26,1)    <br>           </font></p>       </td>       <td width="51" height="2">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0,731</font></p>             <p align="center">&nbsp;</p>       </td>     </tr>     <tr>        <td width="132" height="2"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Artritis    <br>         </font></td>       <td width="74" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">32    <br>           </font></div>       </td>       <td width="77" height="2">              <p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(94,1)</font></p>             <p align="center">&nbsp;</p>       </td>       <td width="72" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">182            </font></div>       </td>       <td width="65" height="2">              ]]></body>
<body><![CDATA[<p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(86,6)</font></p>             <p align="center">&nbsp;</p>       </td>       <td width="51" height="2">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0,271</font></p>             <p align="center">&nbsp;</p>       </td>     </tr>     <tr>        <td width="132"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Convulsiones    <br>         </font></td>       <td width="74">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">3    <br>           </font></div>       </td>       <td width="77">              <p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(8,8)</font></p>             <p align="center">&nbsp;</p>       </td>       <td width="72">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">8    ]]></body>
<body><![CDATA[<br>           </font></div>       </td>       <td width="65">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(3,8)</font></p>             <p align="center">&nbsp;</p>       </td>       <td width="51">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0,136    <br>           </font></p>       </td>     </tr>     <tr>        <td width="132" height="8"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Psicosis    <br>         </font></td>       <td width="74" height="8">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">1    <br>           </font></div>       </td>       <td width="77" height="8">              <p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(2,9)</font></p>             <p align="center">&nbsp;</p>       </td>       <td width="72" height="8">              ]]></body>
<body><![CDATA[<div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">9    <br>           </font></div>       </td>       <td width="65" height="8">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(4,2)</font></p>             <p align="center">&nbsp;</p>       </td>       <td width="51" height="8">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">0,710</font></p>             <p align="center">&nbsp;</p>       </td>     </tr>     <tr>        <td width="132" height="20"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Vasculitis    <br>         </font></td>       <td width="74" height="20">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">7    <br>           </font></div>       </td>       <td width="77" height="20">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(20,5)    ]]></body>
<body><![CDATA[<br>           </font></div>       </td>       <td width="72" height="20">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">34    <br>           </font></div>       </td>       <td width="65" height="20">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">    <br>           (16,1)</font></p>             <p align="center">&nbsp;</p>       </td>       <td width="51" height="20">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,533    <br>           </font></div>       </td>     </tr>     <tr>        <td width="132" height="2"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Serositis    <br>         </font></td>       <td width="74" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">6    ]]></body>
<body><![CDATA[<br>           </font></div>       </td>       <td width="77" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(17,6)</font></div>       </td>       <td width="72" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">27    <br>           </font></div>       </td>       <td width="65" height="2">              <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(12,8)</font></p>             <p align="center">&nbsp;</p>       </td>       <td width="51" height="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,405    <br>           </font></div>       </td>     </tr>     <tr>        <td width="132"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Hipertensi&oacute;n          arterial</font></td>       <td width="74">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">3</font></div>       </td>       <td width="77">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(8,8)</font></div>       </td>       <td width="72">              ]]></body>
<body><![CDATA[<div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">17</font></div>       </td>       <td width="65">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(8,0)</font></div>       </td>       <td width="51">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,814</font></div>       </td>     </tr>   </table> </div>     <P>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La influencia de    los resultados de ex&aacute;menes de hematolog&iacute;a e inmunol&oacute;gicos    realizados al inicio de la enfermedad se muestran en la <U><a href="/img/revistas/med/v47n3/t0403308.gif">tabla    4</a></U>, la anemia y la leucopenia no influyeron en la supervivencia de los    casos; sin embargo, la presencia de trombocitopenia se asoci&oacute; con menor    supervivencia de los pacientes (p=0,005), al igual que en los estudios inmunol&oacute;gicos,    los valores elevados de anti DNA (p=0,037) y los niveles bajos de fracciones    de complemento (p=0,000). </font>     
<P align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Tabla    4. </b>Influencia de alteraciones hematol&oacute;gicas e inmunol&oacute;gicas    en la supervivencia    <br>       <br>   </font>     <div align="center">   <table width="75%" border="1">     <tr>        <td rowspan="2" width="31%">              ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Alteraci&oacute;n            </font></p>       </td>       <td colspan="2">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Fallecidos            n = 34 </font></div>       </td>       <td colspan="2">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Vivos            n = 210</font></div>       </td>       <td rowspan="2" width="16%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">p</font></div>       </td>     </tr>     <tr>        <td height="2" width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">No.</font></div>       </td>       <td height="2" width="13%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(%)</font></div>       </td>       <td height="2" width="13%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">No.</font></div>       </td>       <td height="2" width="15%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(%)</font></div>       </td>     </tr>     <tr>        <td height="6" width="31%">              <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Anemia</font><font size="2" face="Verdana, Arial, Helvetica, sans-serif"></font></p>       </td>       <td height="6" width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">16            </font></div>       </td>       <td height="6" width="13%">              ]]></body>
<body><![CDATA[<div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(47)</font></div>       </td>       <td height="6" width="13%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">99</font></div>       </td>       <td height="6" width="15%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(47,1)</font></div>       </td>       <td height="6" width="16%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,973</font></div>       </td>     </tr>     <tr>        <td height="7" width="31%">              <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Leucopenia</font><font size="2" face="Verdana, Arial, Helvetica, sans-serif"></font></p>       </td>       <td height="7" width="12%">              <div align="center">               <div align="center"></div>           <font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">8</font><font size="2"></font></font></font></font></div>       </td>       <td height="7" width="13%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(23,5)</font><font size="2"></font></font></font></font></div>       </td>       <td height="7" width="13%">              <div align="center">               <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">43</font></div>         </div>       </td>       <td height="7" width="15%">              ]]></body>
<body><![CDATA[<div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(20,4)</font></font></font></font></div>       </td>       <td height="7" width="16%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,705</font></font></font></font></div>       </td>     </tr>     <tr>        <td height="4" width="31%">              <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Trombocitopenia</font></p>       </td>       <td height="4" width="12%">              <div align="center">                <p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">6</font></p>         </div>       </td>       <td height="4" width="13%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(17,6)</font></font></font></font></font></font></font></div>       </td>       <td height="4" width="13%">              <div align="center">               <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">10              </font> </div>         </div>       </td>       <td height="4" width="15%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(4,7)</font></font></font></font></font></font></font></div>       </td>       <td height="4" width="16%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,005</font></font></font></font></font></font></font></div>       </td>     </tr>     <tr>        <td height="10" width="31%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Anti          DNA (elevado)</font></td>       <td height="10" width="12%">              ]]></body>
<body><![CDATA[<div align="center">               <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">26</font><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2"></font></font></font></font></p>         </div>       </td>       <td height="10" width="13%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(76,4)    <br>           </font></font></font></font></font></font></font></font></font></font></div>       </td>       <td height="10" width="13%">              <div align="center">               <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">118</font></p>         </div>       </td>       <td height="10" width="15%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(56,1)    <br>           </font></font></font></font></font></font></font></font></font></font></div>       </td>       <td height="10" width="16%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,037    <br>           </font></font></font></font></font></font></font></font></font></font></div>       </td>     </tr>     <tr>        <td height="2" width="31%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Fracci&oacute;n          C3 (baja)    ]]></body>
<body><![CDATA[<br>         </font></td>       <td height="2" width="12%">              <div align="center">               <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">15</font><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2"></font></font></font></font></p>         </div>       </td>       <td height="2" width="13%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(44,1)    <br>           </font></font></font></font></font></font></font></font></font></font></font></font></font></div>       </td>       <td height="2" width="13%">              <div align="center">               <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">31</font></p>         </div>       </td>       <td height="2" width="15%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(14,7)    <br>           </font></font></font></font></font></font></font></font></font></font></font></font></font></div>       </td>       <td height="2" width="16%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,000    ]]></body>
<body><![CDATA[<br>           </font></font></font></font></font></font></font></font></font></font></font></font></font></div>       </td>     </tr>     <tr>        <td height="19" width="31%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Fracci&oacute;n          C4 (baja)</font></td>       <td height="19" width="12%">              <div align="center">               <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">13</font></p>         </div>       </td>       <td height="19" width="13%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(38,2)</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></div>       </td>       <td height="19" width="13%">              <div align="center">               <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">37</font></p>         </div>       </td>       <td height="19" width="15%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(17,6)</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></div>       </td>       <td height="19" width="16%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,000</font><font size="2"></font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font></div>       </td>     </tr>     <tr>        <td height="15" width="31%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Falsos          positivos para s&iacute;filis</font></td>       <td height="15" width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">4</font></font></font></font></div>       </td>       <td height="15" width="13%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(11,7)</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></div>       </td>       <td height="15" width="13%">              ]]></body>
<body><![CDATA[<div align="center">                <p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">25</font></p>         </div>       </td>       <td height="15" width="15%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(11,9)</font><font size="2"></font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font></div>       </td>       <td height="15" width="16%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,903</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></div>       </td>     </tr>     <tr>        <td width="31%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Anticogulante          l&uacute;pico (positivo)</font></td>       <td width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">3</font><font size="2"></font></font></font></font><font size="2"></font></font></font></font></div>       </td>       <td width="13%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(8,8)</font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font><font size="2"></font></font></font></font></div>       </td>       <td width="13%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">19</font><font size="2"></font></font></font></font></div>       </td>       <td width="15%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">(9,0)</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font><font size="2"></font></font></font></font></div>       </td>       <td width="16%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,241</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font><font size="2"></font></font></font></font></div>       </td>     </tr>   </table> </div>     <p>    ]]></body>
<body><![CDATA[<br>   <font size="2" face="Verdana, Arial, Helvetica, sans-serif">Las alteraciones    del sedimento urinario, la presencia de proteinuria, valores altos de creatinina    y de filtrado glomerular disminuido mostraron asociaci&oacute;n estad&iacute;sticamente    significativa con la disminuci&oacute;n de la supervivencia (<a href="/img/revistas/med/v47n3/t0503308.gif"><U>tabla    5</U></a><U>).</U> </font></p>     
<p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Tabla    5.</b> Influencia de indicadores de nefropat&iacute;a sobre la supervivencia</font></p>     <div align="center">   <table width="75%" border="1">     <tr>        <td rowspan="2" width="37%">              <p><font size="2"><font size="2"><font face="Verdana, Arial, Helvetica, sans-serif"></font></font></font></p>             <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Alteraci&oacute;n            </font></p>             <p>&nbsp;</p>             <p></p>       </td>       <td colspan="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Fallecidos            n = 34 </font><font size="2" face="Verdana, Arial, Helvetica, sans-serif"></font></div>       </td>       <td colspan="2">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Vivos            n = 210 </font><font size="2" face="Verdana, Arial, Helvetica, sans-serif"></font></div>       </td>       <td rowspan="2" width="14%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"></font><font size="2" face="Verdana, Arial, Helvetica, sans-serif">p</font></div>       </td>     </tr>     <tr>        <td height="8" width="12%">              ]]></body>
<body><![CDATA[<div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">No.            </font></div>       </td>       <td height="8" width="14%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(%)            </font></div>       </td>       <td height="8" width="11%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">No.</font></div>       </td>       <td height="8" width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">            (%)</font></div>       </td>     </tr>     <tr>        <td height="27" width="37%">              <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Addis alterado</font></p>       </td>       <td height="27" width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">27</font></div>       </td>       <td height="27" width="14%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(73,5)</font></div>       </td>       <td height="27" width="11%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">98</font></div>       </td>       <td height="27" width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(46,6)</font></div>       </td>       <td height="27" width="14%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,004</font></div>       </td>     </tr>     <tr>        <td height="11" width="37%">              ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Proteinuria            &gt; 0,5 g</font></p>       </td>       <td height="11" width="12%">              <p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">15</font></p>       </td>       <td height="11" width="14%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">    <br>           (44,1)</font></div>       </td>       <td height="11" width="11%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">53</font></div>       </td>       <td height="11" width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(25,3)</font></div>       </td>       <td height="11" width="14%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,024</font></div>       </td>     </tr>     <tr>        <td width="37%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Creatinina          elevada</font></td>       <td width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">9</font></div>       </td>       <td width="14%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(26,4)    <br>           </font></div>       </td>       <td width="11%">              ]]></body>
<body><![CDATA[<div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">10    <br>           </font></div>       </td>       <td width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(4,7)</font></div>       </td>       <td width="14%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,000    <br>           </font></div>       </td>     </tr>     <tr>        <td height="2" width="37%"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Filtrado          glomerular disminuido</font></td>       <td height="2" width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">9</font></div>       </td>       <td height="2" width="14%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(26,4)</font></div>       </td>       <td height="2" width="11%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">12</font></div>       </td>       <td height="2" width="12%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">(5,7)</font></div>       </td>       <td height="2" width="14%">              <div align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">0,000</font></div>       </td>     </tr>   </table> </div>     ]]></body>
<body><![CDATA[<p>    <br>   <font size="2" face="Verdana, Arial, Helvetica, sans-serif">La clase histol&oacute;gica    de nefropat&iacute;a l&uacute;pica no influy&oacute; en la supervivencia de    los enfermos, ninguna se asoci&oacute; a mayor mortalidad, no obstante, entre    los fallecidos, la clase m&aacute;s frecuente de nefropat&iacute;a fue la IV    como se muestra en la <a href="/img/revistas/med/v47n3/t0603308.gif">t<U>abla 6</U></a><U>.</U> </font></p>     
<p align="center"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Tabla    6.</b> Influencia de las clases histol&oacute;gicas de nefritis l&uacute;pica    sobre la supervivencia </font></p>     <div align="center">   <table width="75%" border="1">     <tr>        <td height="27" width="14%">              <div align="left"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Grado            </font></div>       </td>       <td height="27" width="15%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">No.</font></font></font><font size="2"></font></font></font></div>       </td>       <td height="27" width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">(%)</font></font></font><font size="2"></font></font></font></div>       </td>       <td height="27" width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">No.</font></font></font><font size="2"></font></font></font></div>       </td>       <td height="27" width="17%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">(%)</font></font></font><font size="2"></font></font></font></div>       </td>       <td height="27" width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">p</font></font></font></div>       </td>     </tr>     <tr>        <td width="14%">              ]]></body>
<body><![CDATA[<div align="left"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">I    <br>           </font></font></font></div>       </td>       <td width="15%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">    <br>           </font></font></font><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">3</font></font></font>            </font></font>     <br>         </div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">    <br>           </font><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">(8,8)</font></font></font></font></font><font size="2">            </font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">14</font></font></font>          </div>             <p align="center">&nbsp;</p>       </td>       <td width="17%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">(6,6)    ]]></body>
<body><![CDATA[<br>           </font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">0,908    <br>           </font></font></font></div>       </td>     </tr>     <tr>        <td width="14%">              <div align="left"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">II    <br>           </font></font></font></font></font></div>       </td>       <td width="15%">              <p align="center">6    <br>         </p>             <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2"></font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"></font></font>            </font></font> </div>             <p align="center">&nbsp;</p>             ]]></body>
<body><![CDATA[<div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">(17,6)</font></font></font><font size="2"></font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">47    <br>               <br>           </font></font></font></div>       </td>       <td width="17%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">(22,3)    <br>           </font></font></font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">0,684    <br>           </font></font></font></font></font></div>       </td>     </tr>     <tr>        <td width="14%">              <div align="left"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">III    <br>           </font></font></font></font></font></font></font></div>       </td>       <td width="15%">              ]]></body>
<body><![CDATA[<div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">4    <br>           </font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">(11,7)</font></font></font></font></font><font size="2">    <br>           </font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">19    <br>           </font></font></font></font></font></div>       </td>       <td width="17%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">(9,0)    <br>           </font></font></font></font></font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">0,929    <br>               ]]></body>
<body><![CDATA[<br>           </font></font></font><font size="2"></font></font></font><font size="2"></font></font></font></div>       </td>     </tr>     <tr>        <td width="14%">              <div align="left"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">IV    <br>           </font><font size="2"></font></font></font><font size="2"></font></font></font><font size="2"></font></font></font><font size="2"></font></font></font></div>       </td>       <td width="15%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">10    <br>           </font></font></font><font size="2"></font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">    <br>           </font><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">(29,4)</font></font></font></font></font></font></font><font size="2">            </font></font></font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">37    <br>           </font></font></font></font></font></font></font></div>       </td>       <td width="17%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">(17,6)    ]]></body>
<body><![CDATA[<br>               <br>           </font></font></font><font size="2"></font></font></font><font size="2"></font></font></font><font size="2"></font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">0,553    <br>           </font></font></font></font></font></font></font><font size="2"></font></font></font></div>       </td>     </tr>     <tr>        <td width="14%">              <div align="left"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif" size="2">V</font></font></font></font></font></font></font></font></font><font size="2"></font></font></font></div>       </td>       <td width="15%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">3</font></font></font></font></font><font size="2"></font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">    <br>           (8,8)    <br>           </font></font></font><font size="2"></font></font></font><font size="2"></font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">11</font></font></font><font size="2"></font></font></font><font size="2"></font></font></font><font size="2"></font></font></font></div>       </td>       <td width="17%">              ]]></body>
<body><![CDATA[<div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">(5,2)</font></font></font></font></font></font></font></font></font><font size="2"></font></font></font></div>       </td>       <td width="18%">              <div align="center"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font face="Verdana, Arial, Helvetica, sans-serif"><font size="2">0,976</font></font></font></font></font></font></font></font></font><font size="2"></font></font></font></div>       </td>     </tr>   </table>       <br> </div>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">En el an&aacute;lisis    multivariado mostraron asociaci&oacute;n significativa con menor supervivencia,    la presencia al inicio de la enfermedad de trombocitopenia, los niveles de C<SUB>3</SUB>    bajos y los valores s&eacute;ricos de creatinina elevados. </font>     <P>      <P>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B><font size="3">DISCUSI&Oacute;N</font></B>    </font>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Una caracter&iacute;stica    importante de este trabajo es que al ser realizado en un &uacute;nico centro    existe uniformidad en el tratamiento utilizado por los pacientes, el pron&oacute;stico    se estableci&oacute; a partir de las caracter&iacute;sticas iniciales presentes    al momento del diagn&oacute;stico de la enfermedad y son pocos los estudios    que han considerado la relaci&oacute;n entre las caracter&iacute;sticas iniciales    del LES y su pron&oacute;stico. La posibilidad de establecer la evoluci&oacute;n    futura de la enfermedad es relevante para poder establecer grupos de pacientes    con mayor o menor riesgo de complicaciones y poder dise&ntilde;ar estrategias    terap&eacute;uticas m&aacute;s efectivas. </font>     ]]></body>
<body><![CDATA[<P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La mortalidad observada    por nosotros en esta cohorte es similar a la reportada en diversas investigaciones    recientes, la cual var&iacute;a entre 6,8 y 20,2 %.<SUP>10,14,15</SUP> </font>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Las tasas de supervivencia    a los 5, 10 y 15 a&ntilde;os despu&eacute;s de realizado el diagn&oacute;stico    fueron de 93, 82,5 y 70 %, respectivamente, las cuales coinciden con las publicadas    desde mediados de los a&ntilde;os 1990 en los pa&iacute;ses desarrollados<SUP>9,10,14    </SUP>e inclusive, superiores a la de algunos con potencial econ&oacute;mico    superior al de nuestro pa&iacute;s.<SUP>16</SUP> </font>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La causa m&aacute;s    frecuente de muerte en nuestros casos fueron las infecciones, la terapia con    corticosteroides e inmunosupresores incrementan el riesgo de presentar cualquier    tipo de infecci&oacute;n por el estado de inmunodepresi&oacute;n que generan,<SUP>17    </SUP>adem&aacute;s, caracter&iacute;sticas propias de la enfermedad activa    influyen tambi&eacute;n en aumentar el mismo, tal es el caso de la disminuci&oacute;n    de la funci&oacute;n espl&eacute;nica y las anormalidades del complemento, en    todos los casos cuya causa b&aacute;sica de muerte fue una infecci&oacute;n    tambi&eacute;n exist&iacute;a enfermedad activa, aspecto este frecuente en la    pr&aacute;ctica cl&iacute;nica. </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Independientemente    a las ventajas obtenidas con la terapia inmunosupresora, un grupo de pacientes    no logran remisi&oacute;n de la nefritis l&uacute;pica y evolucionan a enfermedad    renal terminal. Constituy&oacute; la segunda causa de muerte, sin embargo, consideramos    que el tratamiento con pulsos mensuales de ciclofosfamida como terapia de inducci&oacute;n    y la introducci&oacute;n en los &uacute;ltimos a&ntilde;os del micofenolato    mofetil en el tratamiento de esta enfermedad han permitido disminuir los casos    que llegan a enfermedad renal terminal. </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La mejor&iacute;a    en la supervivencia de los enfermos ha motivado que aparezcan como causa de    muerte, sobre todo en los casos de m&aacute;s de 5 a&ntilde;os de evoluci&oacute;n,    afecciones asociadas a la aterosclerosis.<SUP>18-20</SUP> En nuestra cohorte    fue la tercera causa, 4 por complicaciones cardiovasculares y 3 por accidentes    vasculares encef&aacute;licos. </font>     ]]></body>
<body><![CDATA[<P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Entre las variables    que influyeron en la mortalidad en el estudio se encuentra la presencia de trombocitopenia    al inicio de la enfermedad que le confiere gran complejidad a la evoluci&oacute;n    de los pacientes; numerosos estudios han se&ntilde;alado el negativo impacto    de la trombocitopenia en la supervivencia,<SUP>21-23</SUP> el cual pudiera estar    sobredimensionado por la asociaci&oacute;n de esta alteraci&oacute;n hematol&oacute;gica    con el s&iacute;ndrome antifosfol&iacute;pido. Algunos investigadores han se&ntilde;alado    que la presencia de trombocitopenia pudiera identificar un grupo de pacientes    con un posible curso agresivo de la enfermedad.<SUP>8</SUP> </font>     <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">De manera interesante,    varios ex&aacute;menes inmunol&oacute;gicos se asociaron de forma significativa    con baja supervivencia, la positividad del anti DNA y los valores bajos de las    fracciones C<SUB>3 </SUB>y C<SUB>4 </SUB>del complemento, lo cual ha sido reportado,<SUP>24    </SUP>y que consideramos se justifica la asociaci&oacute;n por coincidir estas    alteraciones en muchas oportunidades con enfermedad activa severa, sobre todo    con participaci&oacute;n renal, sin embargo, es un resultado controversial pues    algunos autores no encuentran asociaci&oacute;n entre alteraciones inmunol&oacute;gicas    y menor supervivencia.<SUP>22,25</SUP> </font>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Estudios previos    han indicado la influencia de la enfermedad renal, sobre todo de la nefritis    clase IV y los altos niveles de proteinuria y hematuria en una baja tasa de    supervivencia.<SUP>10,24,26</SUP>     <br>       <BR>   Alteraciones en los ex&aacute;menes que indican la presencia de nefropat&iacute;a    al inicio de la enfermedad, como es el caso de creatinina elevada, alteraciones    en el Addis de 2 h, presencia de proteinuria y filtrado glomerular disminuido    en nuestro estudio se asociaron de forma significativa en el an&aacute;lisis    univariado con menor supervivencia, sin embargo, no existi&oacute; asociaci&oacute;n    al analizar las diversas clases de nefropat&iacute;a. Brinda una influencia    mayor sobre la supervivencia, la presencia de altos &iacute;ndices de cronicidad    histol&oacute;gica que la clasificaci&oacute;n por clases.<SUP>27</SUP> El no    analizar la influencia de los &iacute;ndices de actividad y cronicidad histol&oacute;gica    constituye una limitaci&oacute;n del estudio. </font>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">En resumen, la    presencia de trombocitopenia, la positividad de los anticuerpos anti DNA, los    niveles bajos de las fracciones C<SUB>3 </SUB>y C<SUB>4</SUB> del complemento,    de hematuria y cilindruria en el Addis de 2 h, proteinuria de m&aacute;s de    0,5 g en 24 h y creatinina s&eacute;rica elevada al inicio de la enfermedad    se asociaron con menor supervivencia. La trombocitopenia, la fracci&oacute;n    C<SUB>3</SUB> baja del complemento y la creatinina s&eacute;rica elevada fueron  factores independientes predictores de baja supervivencia. </font>     ]]></body>
<body><![CDATA[<P>      <P>      <P><b><font size="3" face="Verdana, Arial, Helvetica, sans-serif">REFERENCIAS    BIBLIOGR&Aacute;FICAS </font></b>      <P>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">1. Doria A, Briani    C. Lupus: improving long-term prognosis. Lupus. 2008;17:166-70. </font>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">2. Trager J, Ward    MM. Mortality and causes of death in systemic lupus erythematosus. Curr Opin    Rheumatol. 2001;13:345-51. </font>     <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">3. Merock A, Nossent    H. Damage accumulation in systemic lupus erythematosus </font><font size="2" face="Verdana, Arial, Helvetica, sans-serif">and    its relation to disease activity and morality. J Rheumatol. 2006;33:1570-7.    </font>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">4. Gordon C. 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Rheumatology. 2007;(5):1-5. </font>     <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">25. Bujan S, Ordi-Ros    J, Paredes J, Mauri M, Matas L, Cortes J, et al. Contribution of the initial    features of systemic lupus erythematosus to the clinical evolution and survival    of a cohort of Mediterranean patients. Ann Rheum Dis. 2003;62:859-65. </font>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">26. Tokano Y, Morimoto    S, Amano H, kawanishi T, Yano T, Tomyo M, et al. The relationship between inicial    clinical manifestation and long-term prognosis of patients with systemic lupus    erythematosus. Mod Rheumatol. 2005;(15):275-82. </font>      <!-- ref --><P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">27. Houssiau FA,    Vasconcelos C, DCruz D. Early response to immunosupppressive therapy predicts    good renal outcome in lupus nephritis: lessons from long-term follow up of patients    in the Euro-Lupus Nephritis Trial.<B> </B>Arthritis Rheum. 2004;50:3934-40.    </font>      <P>     <P>      <P>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"> Recibido: 4 de    junio de 2008. </font>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Aprobado: 10 de    julio de 2008. </font>     <P>     <P>      <P>      ]]></body>
<body><![CDATA[<P>      <P>      <P>      <P><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Dr. <I>Miguel Est&eacute;vez    del Toro. </I>Hospital Clinicoquir&uacute;rgico &quot;Hermanos Ameijeiras&quot;,    San L&aacute;zaro No. 701 entre Belascoa&iacute;n y Marqu&eacute;s Gonz&aacute;lez,    Centro Habana, Ciudad de La Habana, Cuba. Habana 3, CP 10300. Correo electr&oacute;nico:    <a href="mailto:mestevez@infomed.sld.cu">mestevez@infomed.sld.cu</a> </font>       ]]></body><back>
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