<?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>0101-5907</journal-id>
<journal-title><![CDATA[Revista Paraense de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Para. Med.]]></abbrev-journal-title>
<issn>0101-5907</issn>
<publisher>
<publisher-name><![CDATA[Fundação Santa Casa de Misericórdia do Pará]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0101-59072008000100006</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Estudo clínico-patológico das Glomerulopatias no Hospital de Clínicas Gaspar Vianna]]></article-title>
<article-title xml:lang="en"><![CDATA[Glomerular diseases clinicopathologic profile at "Hospital de Clínicas Gaspar Vianna"]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alves Júnior]]></surname>
<given-names><![CDATA[José Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pantoja]]></surname>
<given-names><![CDATA[Renata Kelly Sousa]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barros]]></surname>
<given-names><![CDATA[Charlene Villacorta de]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Braz]]></surname>
<given-names><![CDATA[Marcelle Nobre]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Professor da Disciplina de Clínica Médica da Universidade do Estado do Pará - UEPA  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Médica especialista em Nefrologia pela Universidade de São Paulo - USP  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A03">
<institution><![CDATA[,Médicas graduadas pela Universidade do Estado do Pará- UEPA  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2008</year>
</pub-date>
<volume>22</volume>
<numero>1</numero>
<fpage>39</fpage>
<lpage>47</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_arttext&amp;pid=S0101-59072008000100006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_abstract&amp;pid=S0101-59072008000100006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_pdf&amp;pid=S0101-59072008000100006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[OBJETIVO: estabelecer o perfil epidemiológico dos pacientes submetidos à biópsia renal na Fundação Hospital de Clínicas Gaspar Vianna (FHCGV), além de conhecer a síndrome clínica e o diagnóstico histológico mais prevalentes, realizando ainda correlação clínico-patológica. MÉTODO: avaliados, em estudo transversal, 32 pacientes, de ambos os sexos, submetidos à biópsia renal no Serviço de Nefrologia da FHCGV, de 2002 a 2005. Os dados referentes à identificação, história clínica e diagnóstico histológico foram coletados do Livro de Registros de Biópsia Renal do hospital, anotados em protocolo próprio e analisados quanto ao perfil clínico-patológico dos pacientes, sendo submetidos, posteriormente, à avaliação estatística. RESULTADOS: foi observado predomínio de adultos (94%) na amostra estudada, sendo 56% da mesma composta por homens e 62% de pardos. Apenas, pequena parcela das biópsias apresentou complicações (três pacientes). A síndrome clínica mais prevalente foi a nefrótica (72%), seguida de hematúria (25%). Glomeruloesclerose segmentar e focal (GESF) (22%) e nefrite lúpica (15%) foram associados à síndrome nefrótica na maioria dos casos. CONCLUSÃO: a síndrome clínica e a lesão histológica mais freqüentes na FHCGV neste período foram, respectivamente, nefrótica e GESF, sendo este último associado àquela em 57% dos casos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[OBJECTIVE: to establish the epidemiologic profile of Fundação Hospital de Clínicas Gaspar Vianna (FHCGV) patients submitted to renal biopsy and identify the most common kidney diseases biopsed and related clinical syndromes, formulating clinical and pathologic correlations. METHODS: a retrospective study was undertaken of all renal biopsy registries performed from 2002 to 2005 at Nephrology Service of FHCGV. Data were obtained from Kidney Biopsies Registry Book, which contained personal, clinical and histological data of 32 patients, of both sexes. RESULTS: adults composed most part of the sample (94%) and 56% of all patients were male. Only three subjects underwent biopsies complicationsf. The most common clinical syndrome was nephritic syndrome (72%), followed by hematuria (25%). Focal segmental glomerulosclerosis (FSGS) (22%) and lupus nephritis (15%) were associated to nephrotic syndrome in most of cases. CONCLUSION: nephrotic syndrome and FSGS were the most frequent clinical and histological findings at FHCGV, respectively.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[biópsia renal]]></kwd>
<kwd lng="pt"><![CDATA[glomerulopatias]]></kwd>
<kwd lng="en"><![CDATA[Kidney diseases]]></kwd>
<kwd lng="en"><![CDATA[biopsy]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font size="2" face="Verdana"><b>ARTIGO ORIGINAL</b></font></p>     <p align="right">&nbsp;</p>     <p><font size="4" face="Verdana"><b><a name="topo"></a>Estudo cl&iacute;nico-patol&oacute;gico    das Glomerulopatias no Hospital de Cl&iacute;nicas Gaspar Vianna<font size="3"><sup><a href="#endereco">1</a></sup></font></b></font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"> <b>Glomerular diseases clinicopathologic profile       at &quot;</b></font><b><font size="4" face="Verdana">Hospital</font><font size="3" face="Verdana">    de </font><font size="4" face="Verdana">Cl&iacute;nicas</font>    <font size="4" face="Verdana">Gaspar Vianna</font><font size="3" face="Verdana">&quot;</font></b></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"> <b>Jos&eacute; Miguel Alves J&uacute;nior<sup>I</sup>;        Renata Kelly Sousa Pantoja<sup>II</sup>; Charlene Villacorta de Barros<sup>III</sup>;         Marcelle Nobre Braz<sup>III</sup></b></font></p>     <p><font size="2" face="Verdana"> <sup>I</sup>Professor da Disciplina de Cl&iacute;nica      M&eacute;dica da Universidade do Estado do Par&aacute; &#8211; UEPA    <br> </font><font size="2" face="Verdana"><sup>II</sup>M&eacute;dica      especialista em Nefrologia  pela Universidade de S&atilde;o Paulo &#8211; USP    ]]></body>
<body><![CDATA[<br> </font><font size="2" face="Verdana"><sup>III</sup>M&eacute;dicas      graduadas pela Universidade do Estado do Par&aacute;- UEPA</font></p>     <p><font size="2" face="Verdana"><a href="#endereco">Endere&ccedil;o para correspond&ecirc;ncia</a></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p> <hr size="1" noshade>     <p><b><font size="2" face="Verdana">RESUMO</font></b></p>     <p><font size="2" face="Verdana"> <b><i>OBJETIVO:</i></b><i> estabelecer o perfil        epidemiol&oacute;gico dos pacientes submetidos &agrave; bi&oacute;psia        renal  na Funda&ccedil;&atilde;o Hospital de Cl&iacute;nicas Gaspar Vianna        (FHCGV),  al&eacute;m de conhecer a s&iacute;ndrome cl&iacute;nica e o        diagn&oacute;stico    histol&oacute;gico mais prevalentes, realizando ainda correla&ccedil;&atilde;o    cl&iacute;nico-patol&oacute;gica.    <br>    <b>M&Eacute;TODO:</b> avaliados, em estudo    transversal, 32 pacientes, de ambos  os sexos, submetidos &agrave; bi&oacute;psia    renal no Servi&ccedil;o de Nefrologia    da FHCGV, de 2002 a 2005. Os dados referentes &agrave; identifica&ccedil;&atilde;o,    hist&oacute;ria cl&iacute;nica e diagn&oacute;stico histol&oacute;gico foram     coletados do Livro de Registros de Bi&oacute;psia Renal do hospital, anotados      em protocolo pr&oacute;prio e analisados quanto ao perfil cl&iacute;nico-patol&oacute;gico       dos pacientes, sendo submetidos, posteriormente, &agrave; avalia&ccedil;&atilde;o        estat&iacute;stica.    <br>        <b>RESULTADOS:</b> foi observado predom&iacute;nio        de adultos (94%) na amostra estudada, sendo 56% da mesma composta por        homens e 62% de pardos. Apenas, pequena parcela das bi&oacute;psias apresentou        complica&ccedil;&otilde;es   (tr&ecirc;s    pacientes). A s&iacute;ndrome cl&iacute;nica mais prevalente foi a nefr&oacute;tica    (72%), seguida de hemat&uacute;ria (25%). Glomeruloesclerose segmentar e focal     (GESF) (22%) e nefrite l&uacute;pica (15%) foram associados &agrave; s&iacute;ndrome      nefr&oacute;tica na maioria dos casos.    <br>      <b>CONCLUS&Atilde;O:</b> a s&iacute;ndrome      cl&iacute;nica e a les&atilde;o   histol&oacute;gica    mais freq&uuml;entes na FHCGV neste per&iacute;odo foram, respectivamente,   nefr&oacute;tica    e GESF, sendo este &uacute;ltimo associado &agrave;quela em 57% dos casos.</i></font></p>     <p><font size="2" face="Verdana"> <b>DESCRITORES:</b> bi&oacute;psia renal; glomerulopatias.</font></p> <hr size="1" noshade>     ]]></body>
<body><![CDATA[<p><b><font size="2" face="Verdana">SUMMARY</font></b></p>     <p><font size="2" face="Verdana"> <b>OBJECTIVE:</b> to establish the epidemiologic      profile of Funda&ccedil;&atilde;o Hospital de Cl&iacute;nicas Gaspar Vianna       (FHCGV) patients submitted to renal biopsy and identify the most common      kidney  diseases biopsed and related clinical syndromes, formulating clinical      and pathologic  correlations.    <br>      <b>METHODS:</b> a retrospective study was undertaken      of all renal biopsy registries  performed from 2002 to 2005 at Nephrology      Service of FHCGV. Data were obtained  from Kidney Biopsies Registry Book,      which contained personal, clinical and histological  data of 32 patients,      of both sexes.    <br>   <b> RESULTS:</b> adults composed most part of the sample (94%) and 56% of all    patients were male. Only three subjects underwent biopsies complicationsf. The    most common clinical syndrome was nephritic syndrome (72%), followed by hematuria    (25%). Focal segmental glomerulosclerosis (FSGS) (22%) and lupus nephritis (15%)    were associated to nephrotic syndrome in most of cases.    <br>   <b> CONCLUSION:</b> nephrotic syndrome and FSGS were the most frequent clinical  and histological findings at FHCGV, respectively.</font></p>     <p><font size="2" face="Verdana"> <b>KEY WORDS:</b> Kidney diseases, biopsy.</font></p> <hr size="1" noshade>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><b><font size="3" face="Verdana">INTRODU&Ccedil;&Atilde;O</font></b></p>     <p><font size="2" face="Verdana"> A import&acirc;ncia da fun&ccedil;&atilde;o    glomerular na fisiologia renal e o fato de suas les&otilde;es afetarem outros    segmentos do n&eacute;fron caracterizam as enfermidades glomerulares, como um    dos principais problemas em Nefrologia nos dias de hoje.<sup>1</sup></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">A inj&uacute;ria glomerular resultante de diversas      nosologias renais e sist&ecirc;micas &eacute; uma das principais causas      de doen&ccedil;a    renal terminal (DRT).<sup>2,3</sup></font></p>     <p><font size="2" face="Verdana">Em fun&ccedil;&atilde;o disso, doen&ccedil;as sist&ecirc;micas   e renais espec&iacute;ficas que podem desencadear a disfun&ccedil;&atilde;o   glomerular, devem ser reconhecidas, precocemente, proporcionando, assim,   o estabelecimento  do diagn&oacute;stico, tratamento adequado e progn&oacute;stico.<sup>4</sup></font></p>     <p><font size="2" face="Verdana"> Portanto, as investiga&ccedil;&otilde;es epidemiol&oacute;gicas      acerca das glomerulopatias geram dados capazes de melhorar a compreens&atilde;o       fisiopatol&oacute;gica dessas doen&ccedil;as, de estimular pesquisas e       desenvolvimento  de novos paradigmas para o problema.<sup>5</sup></font></p>     <p><font size="2" face="Verdana"> De acordo com dados da literatura, as glomerulopatias      s&atilde;o as causas mais comuns de fal&ecirc;ncia renal na Austr&aacute;lia       e Nova Zel&acirc;ndia, onde representam 35% de todas as doen&ccedil;as       renais  prim&aacute;rias.<sup>6</sup> No Brasil, esta entidade &eacute; uma das causas       mais comuns  de fal&ecirc;ncia renal, sendo respons&aacute;vel por 27,5%       dos transplantes  realizados.<sup>7,8</sup></font></p>     <p><font size="2" face="Verdana">De acordo com diversos estudos, a nefropatia      por IgA &eacute; a patologia renal mais biopsiada no mundo, prevalecendo      em  pa&iacute;ses como Espanha<sup>9</sup>, Portugal<sup>10,11</sup>, It&aacute;lia<sup>12,13</sup>,      Jap&atilde;o<sup>14</sup>,       Cor&eacute;ia<sup>15</sup>, China<sup>16</sup> e em Victoria, na Austr&aacute;lia<sup>17</sup>.       Contudo, essa preval&ecirc;ncia &eacute;, significativamente, menor nos       registros de Kentucky (EUA), Nova Caled&ocirc;nia (Austr&aacute;lia) e       Maced&ocirc;nia,       onde se observa  a glomerulonefrite membranosa (GNM) com maior freq&uuml;&ecirc;ncia.       Na Ar&aacute;bia    Saudita, Uruguai, alguns centros m&eacute;dicos norte-americanos (Chicago,   Nova  Iorque e Massachussetts) e inclusive no Brasil encontra-se maior n&uacute;mero    de padr&otilde;es histol&oacute;gicos de glomeruloesclerose focal e segmentar     (GESF).<sup>5,7,14</sup></font></p>     <p><font size="2" face="Verdana">No que diz respeito &agrave; indica&ccedil;&atilde;o    cl&iacute;nica mais comum para a investiga&ccedil;&atilde;o de doen&ccedil;a    renal, a s&iacute;ndrome nefr&oacute;tica constitui-se na apresenta&ccedil;&atilde;o    cl&iacute;nica mais freq&uuml;ente em pa&iacute;ses como Portugal<sup>10</sup>, Espanha<sup>14,18</sup>,    Emirados &Aacute;rabes<sup>19</sup> e Brasil<sup>5,7</sup>. A ferramenta essencial na determina&ccedil;&atilde;o    da natureza e severidade das doen&ccedil;as glomerulares, que estabelece a extens&atilde;o    da inj&uacute;ria morfol&oacute;gica e o diagn&oacute;stico espec&iacute;fico    em pacientes com disfun&ccedil;&atilde;o renal &eacute;, sem d&uacute;vida,    a bi&oacute;psia renal.<sup>4,10,20,21,22</sup></font></p>     <p><font size="2" face="Verdana"> A bi&oacute;psia renal n&atilde;o deve ser analisada    isoladamente, visto que, a cl&iacute;nica do paciente &eacute; o fator base    para sua indica&ccedil;&atilde;o, bem como a avalia&ccedil;&atilde;o da evolu&ccedil;&atilde;o    do mesmo. Sendo assim, torna-se imprescind&iacute;vel a correla&ccedil;&atilde;o    entre o diagn&oacute;stico cl&iacute;nico e o histol&oacute;gico, em virtude    de diferentes condi&ccedil;&otilde;es glomerulares poderem resultar numa mesma    s&iacute;ndrome cl&iacute;nica.<sup>21</sup></font></p>     <p><font size="2" face="Verdana">Para que esta correla&ccedil;&atilde;o seja     eficaz,    &eacute; preciso que haja dados fidedignos dos pacientes submetidos &agrave;    bi&oacute;psia renal.<sup>23,24</sup></font></p>     <p><font size="2" face="Verdana">O objetivo dos dados epidemiol&oacute;gicos baseia-se   na identifica&ccedil;&atilde;o de subgrupos de doen&ccedil;as renais para   estudos  detalhados e sele&ccedil;&atilde;o de pacientes adequados para inclus&atilde;o   em ensaios terap&ecirc;uticos.<sup>12</sup> Todavia, a escassez de pesquisas neste &acirc;mbito   em nosso pa&iacute;s e a heterogeneidade da popula&ccedil;&atilde;o brasileira   em suas caracter&iacute;sticas &eacute;tnicas, socioecon&ocirc;micas e   geogr&aacute;ficas    refor&ccedil;am a necessidade de se implementarem estudos sobre doen&ccedil;as   glomerulares no Brasil.<sup>5,8,17</sup></font></p>     <p><font size="2" face="Verdana">Na regi&atilde;o Norte, os servi&ccedil;os de    Nefrologia que realizam bi&oacute;psias renais s&atilde;o, relativamente, recentes    e insuficientes, o que leva &agrave; falta de protocolos firmados sobre glomerulopatias    e suas s&iacute;ndromes cl&iacute;nicas relacionadas.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"> Particularmente em Bel&eacute;m, Par&aacute;,    n&atilde;o foram estabelecidos registros de bi&oacute;psias que possam fornecer    um perfil epidemiol&oacute;gico. As bi&oacute;psias renais s&atilde;o realizadas    apenas no Hospital Ofir Loyola (HOL), na Funda&ccedil;&atilde;o Santa Casa de    Miseric&oacute;rdia do Par&aacute; (FSCMP) e na Funda&ccedil;&atilde;o Hospital    de Cl&iacute;nicas Gaspar Vianna (FHCGV), o qual &eacute; a institui&ccedil;&atilde;o    mais recente neste servi&ccedil;o, tendo iniciado a execu&ccedil;&atilde;o deste    procedimento em seu Setor de Nefrologia, em agosto de 2002.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>OBJETIVO</b></font></p>     <p><font size="2" face="Verdana"> Estabelecer o perfil epidemiol&oacute;gico dos    nefropatas submetidos &agrave; bi&oacute;psia renal na Funda&ccedil;&atilde;o    Hospital de Cl&iacute;nicas Gaspar Vianna, de 2002 a 2005, al&eacute;m de verificar    a s&iacute;ndrome cl&iacute;nica e o diagn&oacute;stico histol&oacute;gico mais    freq&uuml;entes neste per&iacute;odo, realizando ainda a correla&ccedil;&atilde;o    cl&iacute;nicopatol&oacute;gica entre esses dados.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>M&Eacute;TODO</b></font></p>     <p><font size="2" face="Verdana"> Realizado estudo transversal de uma s&eacute;rie    de 32 pacientes, de ambos os sexos, entre 9 e 53 anos de idade, submetidos &agrave;    bi&oacute;psia renal no Servi&ccedil;o de Nefrologia da Cl&iacute;nica M&eacute;dica    do FHCGV, internados no per&iacute;odo de agosto/2002 a agosto/2005.</font></p>     <p><font size="2" face="Verdana">Todos os pacientes com indica&ccedil;&atilde;o    para bi&oacute;psia renal realizaram avalia&ccedil;&atilde;o ultrassonogr&aacute;fica    pr&eacute;via &agrave; bi&oacute;psia renal.</font></p>     <p><font size="2" face="Verdana"> A orienta&ccedil;&atilde;o ecogr&aacute;fica    em tempo real foi utilizada em todos os casos, bem como o uso de pistola autom&aacute;tica.</font></p>     <p><font size="2" face="Verdana"> Tr&ecirc;s fragmentos de tecido renal eram ent&atilde;o    retirados para leitura an&aacute;tomo-patol&oacute;gica e enviados a um servi&ccedil;o    de patologia especializada (Dr. Luiz A. R. Moura, S&atilde;o Paulo, SP).</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">Todos os dados pr&eacute; e p&oacute;s-bi&oacute;psia    foram catalogados nas Fichas de Bi&oacute;psia Renal, sendo analisados posteriormente    os registros de todos os pacientes submetidos ao procedimento; contudo, aqueles    que apresentaram diagn&oacute;stico histol&oacute;gico diferente de glomerulopatia    foram exclu&iacute;dos da correla&ccedil;&atilde;o cl&iacute;nico-patol&oacute;gica,    participando somente da elabora&ccedil;&atilde;o do perfil cl&iacute;nico-epidemiol&oacute;gico.</font></p>     <p><font size="2" face="Verdana">Pacientes menores que 15 anos de idade foram    classificados como crian&ccedil;as, aqueles na faixa et&aacute;ria entre 15    e 65 anos como adultos e os de faixa et&aacute;ria superior como idosos.</font></p>     <p><font size="2" face="Verdana">Quanto &agrave; ra&ccedil;a, os pacientes foram    classificados subjetivamente em brancos, pardos e negros. Com o objetivo de    aumentar o valor estat&iacute;stico do estudo, em algumas an&aacute;lises pardos    e negros foram inclu&iacute;dos na mesma categoria.</font></p>     <p><font size="2" face="Verdana">As s&iacute;ndromes cl&iacute;nicas foram classificadas    baseado na classifica&ccedil;&atilde;o proposta por Jennette e Falk (2001).<sup>25</sup></font></p>     <p><font size="2" face="Verdana"> A s&iacute;ndrome nefr&oacute;tica foi definida    como protein&uacute;ria maior que 3,0g/dia e albumina s&eacute;rica menor que    3,0g/dl; n&atilde;o foi constituinte essencial da defini&ccedil;&atilde;o hiperlipidemia    (colesterol s&eacute;rico total &gt; 200mg/dl e/ou triglicer&iacute;deos &gt;    150mg/dl), embora tenha sido levada em considera&ccedil;&atilde;o quando presente.</font></p>     <p><font size="2" face="Verdana"> A s&iacute;ndrome nefr&iacute;tica foi caracterizada      como in&iacute;cio s&uacute;bito de hemat&uacute;ria (macro ou microsc&oacute;pica,       com dismorfismo eritrocit&aacute;rio), hipertens&atilde;o (PA &#8805; 140x90       mmHg), olig&uacute;ria (d&eacute;bito urin&aacute;rio &lt; 400ml/dia),       edema e redu&ccedil;&atilde;o    na taxa de filtra&ccedil;&atilde;o glomerular (baseada no clearance de creatinina    estimado &#8211; ClCr &lt; 90 ml/min). Embora n&atilde;o fosse essencial que     todas estas altera&ccedil;&otilde;es estivessem presentes, a hemat&uacute;ria      deveria sempre ser encontrada, associada a pelo menos uma das outras anormalidades.</font></p>     <p><font size="2" face="Verdana"> A protein&uacute;ria isolada ou subnefr&oacute;tica      foi definida como protein&uacute;ria &lt; 3,0g/dia.</font></p>     <p><font size="2" face="Verdana">Considerou-se hemat&uacute;ria   patol&oacute;gica a presen&ccedil;a de tr&ecirc;s ou mais hem&aacute;cias   por  campo no EAS. Quando diagnosticada apenas pelo sedimento urin&aacute;rio,   foi  definida como hemat&uacute;ria microsc&oacute;pica. Se a presen&ccedil;a   de  sangue na urina fosse suficiente para alterar sua colora&ccedil;&atilde;o,   caracterizaria-se  hemat&uacute;ria macrosc&oacute;pica.</font></p>     <p><font size="2" face="Verdana"> Glomerulonefrite rapidamente progressiva foi    caracterizada como decl&iacute;nio r&aacute;pido da fun&ccedil;&atilde;o renal,    cujas manifesta&ccedil;&otilde;es cl&iacute;nicas mais comumente encontradas    foram hemat&uacute;ria, protein&uacute;ria, diminui&ccedil;&atilde;o do volume    urin&aacute;rio, edema e hipertens&atilde;o arterial.</font></p>     <p><font size="2" face="Verdana">Fal&ecirc;ncia renal cr&ocirc;nica foi definida    como redu&ccedil;&atilde;o da taxa de filtra&ccedil;&atilde;o glomerular e do    tamanho renal, com aumento da ecogenicidade, al&eacute;m de creatinina s&eacute;rica    &gt; 3mg/dl.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">As doen&ccedil;as glomerulares foram classificadas    de acordo com as Recomenda&ccedil;&otilde;es da Sociedade Brasileira de Nefrologia    (2005).<sup>26</sup></font></p>     <p><font size="2" face="Verdana">Foram consideradas amostras n&atilde;o representativas    os materiais enviados &agrave; an&aacute;lise histopatol&oacute;gica que apresentassem    menos de cinco glom&eacute;rulos na MO ou aus&ecirc;ncia de glom&eacute;rulos    na IFD.</font></p>     <p><font size="2" face="Verdana">Os resultados foram anotados no protocolo do    trabalho e submetidos a an&aacute;lises correlacionando o diagn&oacute;stico    cl&iacute;nico e o histol&oacute;gico das amostras biopsiadas. Em seguida, foi    realizada an&aacute;lise estat&iacute;stica.</font></p>     <p><font size="2" face="Verdana">De acordo com a natureza das vari&aacute;veis,      a an&aacute;lise estat&iacute;stica se realizou no programa Bio Estat 3.0<sup>27</sup>      com o teste do Qui-Quadrado (&#967;<sup>2</sup>), em todos os resultados obtidos neste trabalho.      Nos casos em que ocorreram freq&uuml;&ecirc;ncias observadas      menores do que  cinco, foi aplicado a corre&ccedil;&atilde;o de Yates para      continuidade no valor  do Qui-Quadrado.<sup>28</sup></font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>DISCUSS&Atilde;O</b></font></p>     <p><font size="2" face="Verdana"> A glomerulonefrite &eacute; uma das causas mais    comuns de doen&ccedil;a renal terminal em pa&iacute;ses subdesenvolvidos.<sup>29</sup></font></p>     <p><font size="2" face="Verdana"> Neste estudo, as patologias mais encontradas      em bi&oacute;psias renais, representam 81,25% das bi&oacute;psias (<a href="#t1">TABELA       I</a>), sendo a glomerulopatia prim&aacute;ria a mais prevalente (p&lt;0,01).        Estes dados concordam com Llanes e col. (2002)<sup>4</sup>, Schena e col.        (1997)<sup>12</sup> e Yahya  e col. (1998)<sup>19</sup>, os quais encontraram, respectivamente,        66,5%, 59,9% e 77,1%  de glomerulopatias prim&aacute;rias.</font></p>     <p><font size="2" face="Verdana"><a name="t1"></a></font></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p align="center"><font size="2" face="Verdana"><img src="/img/revistas/rpm/v22n1/1a06t1.gif" border="0"></font></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"> Rivera e col. (1999)<sup>18</sup> encontraram     em seu estudo  71,2% de adultos e uma popula&ccedil;&atilde;o de idosos tr&ecirc;s     vezes maior  que o n&uacute;mero de crian&ccedil;as. Isto reflete o envelhecimento     da popula&ccedil;&atilde;o    atendida em grandes centros de nefrologia. Este estudo apresenta 93,75% de     adultos  (<a href="#t2">TABELA II</a>); entretanto, n&atilde;o houve bi&oacute;psias      em idosos.</font><font size="2" face="Verdana"> Ocorr&ecirc;ncia similar      tamb&eacute;m   foi observada na It&aacute;lia<sup>12</sup>, com 93% de adultos em seus estudos e nos   Emirados &Aacute;rabes<sup>19</sup>, onde os mesmos correspondiam a todos os pacientes   submetidos &agrave; bi&oacute;psia renal.</font></p>     <p><a name="t2"></a></p>     <p>&nbsp;</p>     <p align="center"><font size="2" face="Verdana"><img src="/img/revistas/rpm/v22n1/1a06t2.gif" border="0"></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p align="center"><font size="2" face="Verdana"><img src="/img/revistas/rpm/v22n1/1a06t3.gif" border="0"></font></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">Isto pode ser explicado em fun&ccedil;&atilde;o    da popula&ccedil;&atilde;o atendida na FHCGV ser, predominantemente, de adultos.    Al&eacute;m disso, as indica&ccedil;&otilde;es de bi&oacute;psias renais em    idosos tendem a ser mais conservadoras, visto que a presen&ccedil;a de comorbidades    e a concep&ccedil;&atilde;o de que existe perda de massa renal e de filtra&ccedil;&atilde;o    glomerular inexor&aacute;vel com o envelhecimento, contribuem para uma atitude    de reserva em rela&ccedil;&atilde;o a procedimentos diagn&oacute;sticos invasivos  e interven&ccedil;&otilde;es terap&ecirc;uticas.<sup>30</sup></font></p>     <p><font size="2" face="Verdana">Em rela&ccedil;&atilde;o ao sexo (<a href="#t2">TABELA    II</a>), os dados encontrados na literatura evidenciam um discreto predom&iacute;nio    do sexo masculino, com 65% nos registros da It&aacute;lia<sup>12</sup>, 57,5% em Hong Kong<sup>31</sup>    e 52% no Brasil<sup>32</sup>, al&eacute;m de estudos espanh&oacute;is<sup>14</sup>, coreanos<sup>15</sup> e australianos<sup>17</sup>    tamb&eacute;m corroborarem estes achados. Em concord&acirc;ncia, neste estudo    foi encontrada uma raz&atilde;o de 1,2:1 do sexo masculino em rela&ccedil;&atilde;o    ao feminino (p&gt;0,05). Todas as glomerulopatias secund&aacute;rias foram diagnosticadas    em mulheres, provavelmente, porque todas as bi&oacute;psias classificadas como    tal eram nefrite l&uacute;pica, patologia esta mais freq&uuml;ente no sexo feminino.<sup>33</sup>    </font></p>     <p><font size="2" face="Verdana">Quanto &agrave; ra&ccedil;a, Braden e col. (2000)<sup>34</sup>,      Castro e col. (2002)<sup>1</sup> e Oliveira e col. (2002)<sup>5</sup> evidenciaram      em suas pesquisas  uma preval&ecirc;ncia de brancos com 59,5%, 53,1% e 66,6%,      respectivamente.  Em discord&acirc;ncia com os dados da literatura, observou-se      81,25% de pardos  e negros neste trabalho.</font></p>     <p><font size="2" face="Verdana"> A miscigena&ccedil;&atilde;o &eacute;tnica e    os crit&eacute;rios subjetivos utilizados para a caracteriza&ccedil;&atilde;o    de padr&atilde;o racial neste estudo implicam em baixa confiabilidade dos dados    sobre este prop&oacute;sito, visto que a classifica&ccedil;&atilde;o racial    utilizada foi baseada em informa&ccedil;&otilde;es de prontu&aacute;rios, portanto    motivo de questionamentos quanto &agrave; validade desta vari&aacute;vel.</font></p>     <p><font size="2" face="Verdana">A s&iacute;ndrome cl&iacute;nica mais prevalente    neste trabalho foi a nefr&oacute;tica (p&lt;0,01), seguida de hemat&uacute;ria    (<a href="#t4">TABELA IV</a>). Este achado coincide com dados dos Emirados &Aacute;rabes<sup>19</sup>,    Cingapura<sup>21</sup>, Espanha<sup>14,35</sup>, &Iacute;ndia<sup>36</sup>, Portugal<sup>10</sup> e Brasil<sup>5,7</sup>. </font><font size="2" face="Verdana">Bahiense-Oliveira    e col. (2004)<sup>7</sup> sugerem que o aumento na freq&uuml;&ecirc;ncia relativa de s&iacute;ndrome    nefr&oacute;tica nos &uacute;ltimos anos deva-se a mudan&ccedil;as nos crit&eacute;rios    de indica&ccedil;&atilde;o de bi&oacute;psia renal.</font></p>     <p><font size="2" face="Verdana"><a name="t4"></a></font></p>     <p>&nbsp;</p>     <p align="center"><font size="2" face="Verdana"><img src="/img/revistas/rpm/v22n1/1a06t4.gif" border="0"></font></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"> Em contrapartida, pa&iacute;ses como Cuba<sup>4</sup> e    It&aacute;lia<sup>12</sup> referem as anormalidades urin&aacute;rias assintom&aacute;ticas    como quadro cl&iacute;nico mais observado. O predom&iacute;nio desta apresenta&ccedil;&atilde;o    se deve, possivelmente, aos altos &iacute;ndices de nefropatia por IgA nestes    pa&iacute;ses, achado histol&oacute;gico freq&uuml;entemente associado a esta    cl&iacute;nica, como descrito na literatura. Al&eacute;m disso, varia&ccedil;&otilde;es    geogr&aacute;ficas nas pol&iacute;ticas de triagem e indica&ccedil;&otilde;es    para realiza&ccedil;&atilde;o de bi&oacute;psia renal podem justificar estas    discord&acirc;ncias.<sup>37</sup></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">Ao analisar, isoladamente, a cl&iacute;nica dos    pacientes submetidos &agrave; bi&oacute;psia renal, observou-se a superposi&ccedil;&atilde;o    de algumas s&iacute;ndromes, sendo a associa&ccedil;&atilde;o mais freq&uuml;ente    a s&iacute;ndrome nefr&oacute;tica com hemat&uacute;ria (quatro pacientes).    Outras associa&ccedil;&otilde;es foram menos freq&uuml;entes.</font></p>     <p><font size="2" face="Verdana"> A literatura cient&iacute;fica brasileira destaca    a GESF como o padr&atilde;o histol&oacute;gico mais freq&uuml;entemente diagnosticado    em bi&oacute;psias renais em nosso pa&iacute;s<sup>5,7,32</sup>. Constatou-se a preval&ecirc;ncia    deste padr&atilde;o morfol&oacute;gico na FHCGV, o qual foi respons&aacute;vel    por 22% (p&lt;0,05) dos diagn&oacute;sticos histol&oacute;gicos deste hospital    (<a href="#t4">TABELA IV</a>). No entanto, o pequeno n&uacute;mero de pacientes    prejudicou a avalia&ccedil;&atilde;o estat&iacute;stica entre as diferentes    informa&ccedil;&otilde;es encontradas no presente estudo.</font></p>     <p><font size="2" face="Verdana">Diversas hip&oacute;teses foram sugeridas para    justificar este fato. &Eacute; prov&aacute;vel, por exemplo, que a freq&uuml;&ecirc;ncia    aumentada de GESF esteja sendo influenciada pela sele&ccedil;&atilde;o de pacientes    jovens e nefr&oacute;ticos<sup>5</sup>, o que p&ocirc;de ser comprovado nesta pesquisa.    Al&eacute;m disso, sendo a GESF a via final comum de diversas doen&ccedil;as,    o aumento na freq&uuml;&ecirc;ncia relativa desta patologia pode ser superestimado    em estudos que n&atilde;o avaliam a evolu&ccedil;&atilde;o dos pacientes biopsiados.<sup>7</sup></font></p>     <p><font size="2" face="Verdana"> A segunda glomerulopatia mais freq&uuml;ente    na amostra estudada foi a nefrite l&uacute;pica, correspondendo a 100% das glomerulopatias    secund&aacute;rias. Dados de Manaus e Uberl&acirc;ndia coincidem com este achado,    visto que nestas cidades a nefrite l&uacute;pica alcan&ccedil;ou &iacute;ndices    de 73% e 85%, respectivamente.</font></p>     <p><font size="2" face="Verdana"> Segundo o Registro Paulista de Glomerulopatias    (2002)<sup>5</sup>, a ocorr&ecirc;ncia elevada de GESF e nefrite l&uacute;pica sugere que    estas sejam as principais les&otilde;es encontradas em pacientes biopsiados    no Brasil. Em outros pa&iacute;ses como Ar&aacute;bia Saudita, Uruguai e alguns    centros norte-americanos, a GESF &eacute; igualmente mais prevalente.<sup>5,7,14</sup>    No entanto, a literatura afirma que a nefropatia por IgA &eacute; a glomerulopatia    prim&aacute;ria mais comum em todo o mundo.<sup>16</sup> Alguns autores admitem inclusive    que aproximadamente 50% dos casos podem evoluir para DRT em 20 anos, apresentando    ainda sobrevida renal em torno de 80% a 88% em 10 anos.<sup>16,38,39</sup></font></p>     <p><font size="2" face="Verdana"> Diferente dos dados anteriores, a glomerulonefrite    membranosa apresenta-se como o achado histol&oacute;gico mais comum na Maced&ocirc;nia.<sup>29</sup>    Esta patologia foi a segunda glomerulopatia prim&aacute;ria mais freq&uuml;ente    neste estudo, coincidindo com dados dos registros brasileiros de Manaus, Curitiba    e S&atilde;o Paulo<sup>5</sup>, al&eacute;m de outros pa&iacute;ses como Portugal<sup>10</sup>, It&aacute;lia<sup>12</sup>,    Emirados &Aacute;rabes<sup>19</sup>, Estados Unidos<sup>34</sup> e Fran&ccedil;a.<sup>40</sup></font></p>     <p><font size="2" face="Verdana">Ao correlacionar as s&iacute;ndromes cl&iacute;nicas    com os achados histol&oacute;gicos da amostra estudada (<a href="#t5">TABELA    V</a>), observou-se que a s&iacute;ndrome nefr&oacute;tica apresentou como les&otilde;es    histol&oacute;gicas principais a GESF, seguida da GNM e nefrite l&uacute;pica    (p&gt;0,05). Esses achados concordam com os &iacute;ndices dos estados do Rio    Grande do Sul, Santa Catarina e S&atilde;o Paulo, nos quais os nefr&oacute;ticos    s&atilde;o acometidos principalmente por GESF.<sup>5</sup></font></p>     <p><font size="2" face="Verdana"><a name="t5"></a></font></p>     <p>&nbsp;</p>     <p align="center"><font size="2" face="Verdana"><img src="/img/revistas/rpm/v22n1/1a06t5.gif" border="0"></font></p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p><font size="2" face="Verdana"> Segundo Mota (2005)<sup>11</sup>, em vig&ecirc;ncia     de  s&iacute;ndrome nefr&oacute;tica, na aus&ecirc;ncia de uma doen&ccedil;a     sist&ecirc;mica,    os padr&otilde;es histol&oacute;gicos mais freq&uuml;entemente encontrados   s&atilde;o    o de nefropatia membranosa, GESF ou les&otilde;es m&iacute;nimas. Esta afirmativa    pode ser constatada em registros de diversos pa&iacute;ses, como Cuba<sup>4</sup>,    Cingapura<sup>15</sup>    e Cor&eacute;ia<sup>21</sup> onde a GNLM &eacute; a mais diagnosticada nos   pacientes com  esta s&iacute;ndrome. Em contrapartida, Espanha<sup>14</sup> e It&aacute;lia<sup>12</sup>    apresentam  a nefropatia membranosa como a les&atilde;o histol&oacute;gica   mais encontrada  em nefr&oacute;ticos.</font></p>     <p><font size="2" face="Verdana"> Constatou-se que a GESF e a nefrite l&uacute;pica    foram, tamb&eacute;m, as glomerulopatias mais freq&uuml;entes nos pacientes    que apresentaram hemat&uacute;ria. Em discord&acirc;ncia, a literatura postula    que a nefropatia por IgA &eacute; o diagn&oacute;stico histol&oacute;gico mais    freq&uuml;ente nas anormalidades urin&aacute;rias assintom&aacute;ticas, como    se pode observar na It&aacute;lia<sup>12</sup> e Espanha.<sup>14</sup> Esta disparidade tamb&eacute;m    pode ser encontrada em rela&ccedil;&atilde;o a estudos brasileiros, nos quais    a nefropatia por IgA, tamb&eacute;m, se mostrou mais incidente em pacientes    com hemat&uacute;ria isolada<sup>5</sup>. Este fato pode ter ocorrido em virtude de 30%    dos pacientes acometidos por GESF se apresentar com hemat&uacute;ria micro ou    macrosc&oacute;pica, esta &uacute;ltima podendo se manifestar principalmente    nos casos onde existir prolifera&ccedil;&atilde;o mesangial mais intensa.<sup>25</sup></font></p>     <p><font size="2" face="Verdana"> A GNRP obteve 100% de diagn&oacute;sticos histol&oacute;gicos      de nefrite l&uacute;pica, correla&ccedil;&atilde;o bem caracterizada na      literatura.  Esta s&iacute;ndrome cl&iacute;nica est&aacute; diretamente      relacionada a classe  histol&oacute;gica IV, sugerida pela OMS (1994), que      corresponde a glomerulonefrite  proliferativa difusa<sup>33</sup>, sendo este o subtipo      histol&oacute;gico encontrado em    todas as nefropatias l&uacute;picas biopsiadas neste trabalho.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>CONCLUS&Atilde;O</b></font></p>     <p><font size="2" face="Verdana"> A escassez de estudos e a heterogeneidade da    popula&ccedil;&atilde;o paraense em suas caracter&iacute;sticas &eacute;tnicas,    socioecon&ocirc;micas e geogr&aacute;ficas refor&ccedil;am a necessidade de    se implementar estudos epidemiol&oacute;gicos sobre glomerulopatias na regi&atilde;o    Norte para que se possa conhecer a extens&atilde;o do problema, propor estrat&eacute;gias    de detec&ccedil;&atilde;o precoce, diagn&oacute;stico acurado e terap&ecirc;utica    mais eficaz, al&eacute;m de explorar novas possibilidades etiol&oacute;gicas    e fisiopatol&oacute;gicas para esse grupo de doen&ccedil;as de alto custo individual    e social, por ter como conseq&uuml;&ecirc;ncia a insufici&ecirc;ncia renal cr&ocirc;nica    terminal.</font></p>     <p><font size="2" face="Verdana">Atrav&eacute;s dos dados obtidos nesta casu&iacute;stica,    foi observado que 81,25% das bi&oacute;psias realizadas na FHCGV apresentaram    diagn&oacute;sticos histol&oacute;gicos de glomerulopatias. A popula&ccedil;&atilde;o    estudada foi predominantemente de adultos, da ra&ccedil;a negra ou pardos, apresentando    um discreto predom&iacute;nio do sexo masculino. A s&iacute;ndrome cl&iacute;nica    mais prevalente foi a nefr&oacute;tica, seguida de hemat&uacute;ria. Os padr&otilde;es    histol&oacute;gicos mais freq&uuml;entes foram a GESF e a nefrite l&uacute;pica.    A s&iacute;ndrome nefr&oacute;tica apresentou como principais les&otilde;es    histol&oacute;gicas a GESF, a nefrite l&uacute;pica e a GNM, sendo estas duas    primeiras mais prevalentes tamb&eacute;m na hemat&uacute;ria.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>REFER&Ecirc;NCIAS</b></font></p>     ]]></body>
<body><![CDATA[<!-- ref --><p> <font size="2" face="Verdana">1. Castro YAM, N&uacute;nez   LG, Barry HG, Guerrero MA, Gonz&aacute;lez LMG. Est&uacute;dio clinicopatol&oacute;gico   de las glomerulopat&iacute;as primarias. <i>Rev Cubana </i>Med. 2002; 41(6).</font><!-- ref --><p><font size="2" face="Verdana">2 . Brady HR, O'Meara YM, Brenner     BM. As principais glomerulopatias. In: Braunwald E, Fauci AS, Kasper DL,   Hauser SL, Longo DL, Jameson JL. <i>Harrison - Medicina Interna. </i>15<sup>a</sup> ed.   Rio de Janeiro: McGraw-Hill; 2002. p.1672-82.</font><!-- ref --><p><font size="2" face="Verdana">3 .  Rennke H. O rim. In: Cotran     RS, Kumar V, Collins T. Robbins - <i>Patologia Estrutural e Funcional. </i>6<sup>a</sup>   ed. Rio de Janeiro: Guanabara Koogan; 2000. p.834-94.</font><!-- ref --><p><font size="2" face="Verdana">4 .  Llanes OB, Abreu JF, Bomboust IP, Cura RC, Salazarte AV. La   biopsia renal en el diagn&oacute;stico de las   glomerulopat&iacute;as. <i>Rev Cubana Med. </i>2002; 4(2): 87-92.</font><!-- ref --><p><font size="2" face="Verdana">5 .  Bahiense-Oliveira M, Malafronte P, Barros     RT. Aspectos epidemiol&oacute;gicos   das glomerulopatias no Brasil. In: Cruz   J, Cruz HMM, Barros RT. <i>Atualidades     em Nefrologia </i>Vol. 7. S&atilde;o Paulo (SP): Sarvier. 2002. p. 73-7<i>.</i></font><!-- ref --><p><font size="2" face="Verdana">6 .  Maisonneuve P, Agodoa L, Gellert     R, Stewart JH, Buccianti G, Lowenfels AB et al. Distribution of primary renal   diseases leading to end-stage renal failure in the United States, Europe and   Australia/New Zealand: results from an international comparative study. <i>Am   J Kidney Dis. </i>2000; 35(1):157-65.</font><!-- ref --><p><font size="2" face="Verdana">7 .  Bahiense-Oliveira M, Saldanha LB, Mota ELA, Penna DO, Barros   RT, Rom&atilde;o Jr. JE. 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<body><![CDATA[<p>&nbsp;</p>     <p><font size="2" face="Verdana"><sup><a href="#topo">1</a></sup>Trabalho realizado    na Funda&ccedil;&atilde;o Hospital de Cl&iacute;nicas Gaspar Vianna &#8211;    Setor de Nefrologia </font></p>      ]]></body><back>
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