<?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>0034-7434</journal-id>
<journal-title><![CDATA[Revista Colombiana de Obstetricia y Ginecología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Colomb Obstet Ginecol]]></abbrev-journal-title>
<issn>0034-7434</issn>
<publisher>
<publisher-name><![CDATA[Federación Colombiana de Obstetricia y GinecologíaRevista Colombiana de Obstetricia y Ginecología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-74342008000400011</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Enfermedades glomerulares durante la gestación: Serie de casos y revisión de la literatura]]></article-title>
<article-title xml:lang="en"><![CDATA[Glomerular disease and pregnancy]]></article-title>
<article-title xml:lang="en"><![CDATA[Aims: determining the most frequent glomerulopathies in cases of biopsy-proved glomerular disease which was active during pregnancy; the literature was searched for such patients. Ascertaining clinical-pathological features, glomerular disease evolution, and maternal and obstetrical outcomes. Material and methods: this was a descriptive, retrospective study of a case series. Our archives were searched (01/2000 to 09/2007) for all cases of pregnant women who attended the Hospital San Vicente de Paúl, Medellín, Colombia, with biopsy-proved glomerular disease. There were no exclusions. Maternal and neonatal complications were studied. Results: eleven patients constituted our study: four cases of lupus nephritis, two rapidly progressive glomerulonephritis (RPGN) due to crescentic GN and Wegener's granulomatosis, three nephrotic syndrome cases due to focal and segmental glomerulosclerosis (FSGS), one case with type I membranoproliferative GN and another one with immune complex-mediated proliferative GN. There were eclampsia and "endotheliosis" in two cases. Maternal outcome was fatal in three cases: two eclamptic women and another one with Wegener's granulomatosis. Three stillbirths occurred in our 11 cases, two in eclamptic patients and another one in a woman with lupus nephritis and antiphospholipid syndrome. Primary glomerulopathies did not demonstrate impairment during pregnancy. Conclusions: pregnant women suffering from glomerular disease have an increased risk of maternal and foetal complications occurring; however, maternal and foetal outcomes can be improved with intensive medical care. Rigorous obstetric control is necessary in pregnant women with lupus nephritis. Renal biopsy may be postponed until after giving birth in cases where there is no precise indication for treatment.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Jiménez]]></surname>
<given-names><![CDATA[Jorge M]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[Luis F]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad de Antioquia Facultad de Medicina Hospital San Vicente de Paúl]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad de Antioquia Facultad de Medicina Hospital San Vicente de Paúl]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<volume>59</volume>
<numero>4</numero>
<fpage>343</fpage>
<lpage>348</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0034-74342008000400011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0034-74342008000400011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0034-74342008000400011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Objetivos: determinar las glomerulopatías más frecuentes y su curso clínico en mujeres gestantes. Hacer una revisión de la literatura del tema. Materiales y métodos: serie de casos retrospectivos de pacientes gestantes con enfermedad glomerular activa diagnosticada por biopsia, entre enero de 2000 y septiembre de 2007, atendidas en el Hospital San Vicente de Paúl de Medellín, Colombia. No hubo exclusiones. Se determinaron sus características clínicas, la evolución de la enfermedad glomerular y el resultado materno perinatal. Resultados: se hizo el diagnóstico en 11 pacientes. Cuatro casos de nefritis lúpica, dos de glomerulonefritis rápidamente progresiva (GNRP) por GN extracapilar y granulomatosis de Wegener, respectivamente; tres con síndrome nefrótico por glomeruloesclerosis focal y segmentaria (GEFyS), una con GN membrana proliferativa tipo I, y una con GN proliferativa mediada por complejos inmunes. En dos casos se presentó eclampsia. En tres casos hubo muerte materna: dos por eclampsia y una por granulomatosis de Wegener; y en tres casos muerte fetal: dos por eclampsia y una en materna con nefritis lúpica y síndrome antifosfolípido. Las glomerulopatías primarias no mostraron empeoramiento durante la gestación. Conclusiones: en casos de GN durante la gestación hay riesgo incrementado de complicaciones materno-fetales.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[biopsia renal]]></kwd>
<kwd lng="es"><![CDATA[embarazo]]></kwd>
<kwd lng="es"><![CDATA[enfermedad glomerular]]></kwd>
<kwd lng="es"><![CDATA[gestación]]></kwd>
<kwd lng="es"><![CDATA[glomerulopatías]]></kwd>
<kwd lng="es"><![CDATA[hispánicas]]></kwd>
<kwd lng="en"><![CDATA[glomerular disease]]></kwd>
<kwd lng="en"><![CDATA[glomerulopathy]]></kwd>
<kwd lng="en"><![CDATA[lomerulonephritis]]></kwd>
<kwd lng="en"><![CDATA[Hispanics]]></kwd>
<kwd lng="en"><![CDATA[pregnancy]]></kwd>
<kwd lng="en"><![CDATA[renal biopsy]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font face="verdana" size="2">  <font size="4">    <center><b>Enfermedades glomerulares durante la gestaci&oacute;n. Serie de casos y revisi&oacute;n de la literatura</b></center></font>    <p></p>     <p>    <center>    <p>Jorge M. G&oacute;mez-Jim&eacute;nez, M.D.*, Luis F. Arias, M.D., Ph.D.**</p></center></p>     <p>    <center>    <p>&nbsp;</p>    <p>Recibido: agosto 15/08 - Aceptado: noviembre 25/08</p></center></p>     ]]></body>
<body><![CDATA[<p>* Departamento de Ginecolog&iacute;a y Obstetricia, y grupo PRYT; Departamento de Patolog&iacute;a, Facultad de Medicina, Universidad de Antioquia, y Hospital San Vicente de Pa&uacute;l, Medell&iacute;n, Colombia. </p>     <p>** Grupo PRYT; Departamento de Patolog&iacute;a, Facultad de Medicina, Universidad de Antioquia, y Hospital San Vicente de Pa&uacute;l, Medell&iacute;n, Colombia. Correo electr&oacute;nico: <a href="mailto:luisfer_uda@yahoo.com">luisfer_uda@yahoo.com</a></p>     <p><b>RESUMEN </b></p>     <p><b>Objetivos: </b>determinar las glomerulopat&iacute;as m&aacute;s frecuentes y su curso cl&iacute;nico en mujeres gestantes. Hacer una revisi&oacute;n de la literatura del tema. </p>     <p><b>Materiales y m&eacute;todos: </b>serie de casos retrospectivos de pacientes gestantes con enfermedad glomerular activa diagnosticada por biopsia, entre enero de 2000 y septiembre de 2007, atendidas en el Hospital San Vicente de Pa&uacute;l de Medell&iacute;n, Colombia. No hubo exclusiones. Se determinaron sus caracter&iacute;sticas cl&iacute;nicas, la evoluci&oacute;n de la enfermedad glomerular y el resultado materno perinatal. </p>     <p><b>Resultados: </b>se hizo el diagn&oacute;stico en 11 pacientes. Cuatro casos de nefritis l&uacute;pica, dos de glomerulonefritis r&aacute;pidamente progresiva (GNRP) por GN extracapilar y granulomatosis de Wegener, respectivamente; tres con s&iacute;ndrome nefr&oacute;tico por glomeruloesclerosis focal y segmentaria (GEFyS), una con GN membrana proliferativa tipo I, y una con GN proliferativa mediada por complejos inmunes. En dos casos se present&oacute; eclampsia. En tres casos hubo muerte materna: dos por eclampsia y una por granulomatosis de Wegener; y en tres casos muerte fetal: dos por eclampsia y una en materna con nefritis l&uacute;pica y s&iacute;ndrome antifosfol&iacute;pido. Las glomerulopat&iacute;as primarias no mostraron empeoramiento durante la gestaci&oacute;n. <b>Conclusiones: </b>en casos de GN durante la gestaci&oacute;n hay riesgo incrementado de complicaciones materno-fetales. </p>     <p><b>Palabras clave: </b>biopsia renal, embarazo, enfermedad glomerular, gestaci&oacute;n, glomerulopat&iacute;as, hisp&aacute;nicas. </p> <font size="4">    <center><b>Glomerular disease and pregnancy</b></center></font>    <p></p>     <p><b>SUMMARY </b></p>     ]]></body>
<body><![CDATA[<p><b>Aims: </b>determining the most frequent glomerulopathies in cases of biopsy-proved glomerular disease which was active during pregnancy; the literature was searched for such patients. Ascertaining clinical-pathological features, glomerular disease evolution, and maternal and obstetrical outcomes. </p>     <p><b>Material and methods: </b>this was a descriptive, retrospective study of a case series. Our archives were searched (01/2000 to 09/2007) for all cases of pregnant women who attended the Hospital San Vicente de Pa&uacute;l, Medell&iacute;n, Colombia, with biopsy-proved glomerular disease. There were no exclusions. Maternal and neonatal complications were studied. </p>     <p><b>Results: </b>eleven patients constituted our study: four cases of lupus nephritis, two rapidly progressive glomerulonephritis (RPGN) due to crescentic GN and Wegener&#39;s granulomatosis, three nephrotic syndrome cases due to focal and segmental glomerulosclerosis (FSGS), one case with type I membranoproliferative GN and another one with immune complex-mediated proliferative GN. There were eclampsia and &quot;endotheliosis&quot; in two cases. Maternal outcome was fatal in three cases: two eclamptic women and another one with Wegener&#39;s granulomatosis. Three stillbirths occurred in our 11 cases, two in eclamptic patients and another one in a woman with lupus nephritis and antiphospholipid syndrome. Primary glomerulopathies did not demonstrate impairment during pregnancy. </p>     <p><b>Conclusions: </b>pregnant women suffering from glomerular disease have an increased risk of maternal and foetal complications occurring; however, maternal and foetal outcomes can be improved with intensive medical care. Rigorous obstetric control is necessary in pregnant women with lupus nephritis. Renal biopsy may be postponed until after giving birth in cases where there is no precise indication for treatment. </p>     <p><b>Key words: </b>glomerular disease, glomerulopathy, glomerulonephritis, Hispanics, pregnancy, renal biopsy. </p>     <p><b>INTRODUCCI&Oacute;N </b></p>     <p>En las dos d&eacute;cadas pasadas surgieron importantes publicacionessobreelcursodelasglomerulonefritis y, en general, de las enfermedades renales durante la gestaci&oacute;n.<sup>1-10 </sup>Estos trabajos permitieron afirmar que el impacto en los resultados de la gestaci&oacute;n no es muy ominoso, excepto cuando se presenta hipertensi&oacute;n severa pregestacional y/o preeclampsia, o anticuerpos antifosfol&iacute;pido. Estas conclusiones se han generalizado para enfermedades glomerulares secundarias y primarias.<sup>11 </sup></p>     <p>En pacientes obst&eacute;tricas con enfermedad renal, y m&aacute;s espec&iacute;ficamente glomerular, hay aspectos que desconocemos en nuestro medio, tales como: la frecuencia, el manejo de las complicaciones y el pron&oacute;stico; por lo tanto, el objetivo del presente trabajo fue determinar la frecuencia de la enfermedad glomerular en el embarazo, sus caracter&iacute;sticas cl&iacute;nicas, sus complicaciones y el pron&oacute;stico materno-fetal en un grupo de pacientes de Colombia, y hacer una revisi&oacute;n de la literatura pertinente. </p>     <p><b>MATERIALES Y M&Eacute;TODOS </b></p>     <p><b>Dise&ntilde;o:</b> serie de casos. </p>     ]]></body>
<body><![CDATA[<p><b>Poblaci&oacute;n: </b>se incluyeron todos los casos de pacientes con glomerulopat&iacute;a confirmada por biopsia y enfermedad activa durante la gestaci&oacute;n, atendidas en el per&iacute;odo comprendido desde enero de 2000 hasta septiembre de 2007, en el Hospital San Vicente de Pa&uacute;l de Medell&iacute;n, Colombia; hospital general de referencia de la regi&oacute;n noroccidental del pa&iacute;s, que atiende pacientes de la seguridad social privada y p&uacute;blica. No hubo exclusiones. Muestreo secuencial por conveniencia. </p>     <p><b>Procedimiento: </b>a partir de los archivos de biopsias renales, se ubicaron los casos de pacientes con diagn&oacute;stico de enfermedad glomerular durante el embarazo. Se tom&oacute; la informaci&oacute;n de la historia cl&iacute;nica. Todas las biopsias fueron revisadas y el diagn&oacute;stico reconfirmado. Para el diagn&oacute;stico de estas biopsias dispusimos del estudio histopatol&oacute;gico e inmunopatol&oacute;gico (inmunofluorescencia directa para IgA, IgG, IgM, C3, C1q, y cadenas ligeras kappa y lambda). Se describen los hallazgos clinicopatol&oacute;gicos, el tratamiento, la evoluci&oacute;n de las pacientes y del producto de la concepci&oacute;n. </p>     <p>Los datos se presentan mediante estad&iacute;sticas descriptivas y se presenta la proporci&oacute;n de enfermedad glomerular en la gestaci&oacute;n, en relaci&oacute;n a las biopsias renales tomadas en el per&iacute;odo de estudio. </p>     <p><b>RESULTADOS </b></p>     <p>Entre 837 biopsias de ri&ntilde;&oacute;n nativo con glomerulopat&iacute;as (primarias y secundarias) durante el per&iacute;odo de tiempo indicado, detectamos 11 casos (1,3%) de enfermedad glomerular en la gestaci&oacute;n. Los datos demogr&aacute;ficos, caracter&iacute;sticas cl&iacute;nicas, diagn&oacute;stico anatomopatol&oacute;gico de base, y evoluci&oacute;n materna y fetal, aparecen en la <a href="/img/revistas/rcog/v59n4/a11t1.jpg">tabla 1</a>.</p>     <p><b>DISCUSI&Oacute;N </b>     <p>Presentamos una peque&ntilde;a serie de casos con enfermedad renal glomerular durante la gestaci&oacute;n, confirmada por estudio anatomopatol&oacute;gico, haciendo &eacute;nfasis en el resultado materno y fetal. La Presentamos una peque&ntilde;a serie de casos con glomerulopat&iacute;a m&aacute;s frecuente en nuestros casos es enfermedad renal glomerular durante la gestaci&oacute;n, nefritis l&uacute;pica, algo que no es de extra&ntilde;ar debido confirmada por estudio anatomopatol&oacute;gico, a que el LES suele afectar con mayor frecuencia a mujeres en edad f&eacute;rtil. Es conocido que el LES afecta especialmente a las mujeres entre los 10 y 40 a&ntilde;os y es m&aacute;s frecuente en mujeres de raza negra, ind&iacute;genas y asi&aacute;ticas.<sup>12,13 </sup>En nuestra poblaci&oacute;n no gestante, la glomerulopat&iacute;a primaria m&aacute;s frecuente es la glomeruloesclerosis focal y segmentaria.<sup>14 </sup>En mujeres hispanoamericanas existe m&aacute;s frecuente y severo compromiso renal que en otros grupos &eacute;tnicos.<sup>15,16 </sup>     <p>Las enfermedades glomerulares pueden estar presentes antes o desarrollarse durante el embarazo. Las glomerulopat&iacute;as primarias m&aacute;s frecuentes durante la gestaci&oacute;n son GEFyS, GN membranosa, nefropat&iacute;a IgA, GN membranoproliferativa y GN extracapilar (&quot;crescentic&quot;).<sup>2,5,6 </sup>Se ha descrito que el embarazo en las pacientes con nefritis l&uacute;pica puede cursar con mayor frecuencia de p&eacute;rdidas fetales, con mayor riesgo de exacerbaciones renales, de deterioro renal, de preeclampsia severa y temprana, y parto prematuro, especialmente cuando no han transcurrido seis meses despu&eacute;s de la remisi&oacute;n, y si se presenta hipertensi&oacute;n pregestacional, SAF, anticuerpos anticardiolipina o anticoagulante l&uacute;pico.<sup>17-24 </sup>La gestaci&oacute;n en mujeres con nefritis l&uacute;pica es exitosa en un porcentaje muy variable (20-90%) de acuerdo, principalmente, con la funci&oacute;n renal.<sup>22 </sup>Seg&uacute;n A. Tandon, et al,<sup>25 </sup>la nefritis l&uacute;pica no es exacerbada por la gestaci&oacute;n. </p>     <p>No hay indicaci&oacute;n absoluta de biopsia renal durante la gestaci&oacute;n. Sin embargo, debe realizarse para distinguir y clasificar nefropat&iacute;as graves. Cuando hay deterioro r&aacute;pido de la funci&oacute;n renal, puede requerirse la terminaci&oacute;n de la gestaci&oacute;n. La biopsia renal es un procedimiento con morbilidad, que deber&iacute;a considerarse s&oacute;lo si ofrece a la paciente la oportunidad de un mejor manejo.<sup>26 </sup>En casos de s&iacute;ndrome nefr&iacute;tico y GNRP puede determinar el tratamiento m&aacute;s &oacute;ptimo y oportuno, como qued&oacute; evidenciado en el caso 7, en el que el diagn&oacute;stico de la biopsia renal permiti&oacute; el tratamiento m&aacute;s adecuado. En s&iacute;ndrome nefr&oacute;tico, es necesario sopesar la necesidad de un tratamiento agresivo r&aacute;pido o esperar la terminaci&oacute;n del embarazo, para realizar la biopsia e iniciar un tratamiento (usualmente inmunosupresor).<sup>26-28 </sup></p>     <p>Las mujeres con IRC no deber&iacute;an embarazarse. Si as&iacute; fuere, siempre se considerar&aacute; como una gestaci&oacute;n de alto riesgo obst&eacute;trico. El pron&oacute;stico materno y fetal empeora de acuerdo con la severidad de la IRC. En cerca de la mitad de las pacientes con insuficiencia renal cr&oacute;nica moderada o severa se presentan complicaciones obst&eacute;tricas, entre ellas el s&iacute;ndrome HELLP.<sup>29 </sup></p>     ]]></body>
<body><![CDATA[<p>S&oacute;lo hay una enfermedad glomerular exclusiva del embarazo y es la &quot;glomerulopat&iacute;a preecl&aacute;mptica&quot; (usualmente se le da el t&eacute;rmino impreciso de &quot;endoteliosis&quot;).<sup>26 </sup></p>     <p>Muchos estudios han evaluado si el embarazo afecta adversamente el curso natural de las enfermedades glomerulares y si la evoluci&oacute;n del embarazo est&aacute; influenciada por la glomerulopat&iacute;a;<sup>2-4,6,7,30 </sup>sin embargo, hay pocos estudios controlados que permitan sacar conclusiones claras. Datos experimentales sugieren efectos adversos de la hemodin&aacute;mica &quot;anormal&quot; de la gestaci&oacute;n.<sup>31</sup> En un estudio por Jungers, et al,<sup>32 </sup>el riesgo de desarrollar IRC no se increment&oacute; en 148 mujeres gestantes con varias enfermedades renales comprobadas con biopsia, comparadas con un grupo control de mujeres con enfermedades similares, pero no gestantes. Suele haber un empeoramiento transitorio de la hipertensi&oacute;n, la proteinuria y la disfunci&oacute;n renal en pacientes con glomerulopat&iacute;as preexistentes.<sup>2,32 </sup>En una revisi&oacute;n por C. Baylis,<sup>33 </sup>el autor dice que en pacientes con buena filtraci&oacute;n glomerular antes de la concepci&oacute;n, usualmente no hay efectos del embarazo en la enfermedad renal. Hipertensi&oacute;n no controlada, proteinuria en rango nefr&oacute;tico o alteraci&oacute;n de la funci&oacute;n renal al momento de la concepci&oacute;n o en fases iniciales de la gestaci&oacute;n, est&aacute;n asociadas con riesgo aumentado de deterioro de la funci&oacute;n.<sup>2,4,6,7,10,31,34,35</sup> </p>     <p>En pacientes con GN membranosa, nefropat&iacute;a IgA y GN proliferativa, la incidencia de parto normal est&aacute; entre el 71 y el 80%.<sup>9,36 </sup>En GEFyS hay mayor incidencia de complicaciones maternas y fetal con un peor pron&oacute;stico que GN membranosa y nefropat&iacute;a IgA.<sup>5,6,8,34,37,38 </sup>En granulomatosis de Wegener y GN extracapilar, tambi&eacute;n se informa riesgo aumentado de reca&iacute;das de la enfermedad renal y mayor riesgo de complicaciones y muertes fetales.<sup>39-43 </sup>Adem&aacute;s de p&eacute;rdida fetal, se informan como complicaciones el parto prematuro y el retardo del crecimiento intrauterino. En el conjunto de GN se informa, aproximadamente, 10-15% de p&eacute;rdidas fetales.<sup>31 </sup></p>     <p>Finalmente, es importante al analizar en la literatura los resultados de las series m&aacute;s grandes de pacientes, tener en cuenta que muchas de ellas son trabajos de los a&ntilde;os 80 e incluyen pacientes con gestaciones durante los a&ntilde;os 60, 70 y 80. Las condiciones de diagn&oacute;stico y tratamiento han cambiado, por lo que es probable que el progreso o no de las enfermedades glomerulares (y en general de todas las enfermedades renales) y el resultado materno-fetal sean diferentes (mejores) en la actualidad.<sup>35 </sup>Los casos presentados, aunque no constituyen una serie grande, reflejan la situaci&oacute;n en un pa&iacute;s de pacientes hisp&aacute;nicas. </p>     <p><b>REFERENCIAS </b></p>     <!-- ref --><p>1. Katz AI, Davison JM, Hayslett JP, Singson E, Lindheimer MD. Pregnancy in women with kidney disease. 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