<?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>S0034-74342009000100009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Resultados perinatales en gestaciones isoinmunizadas por el anticuerpo anti-rh(d), sometidas a transfusión fetal intrauterina en Rio de Janeiro, Brasil: Una serie de casos entre 1996 y 2006]]></article-title>
<article-title xml:lang="pt"><![CDATA[Resultados perinatais em gestações aloimunizadas pelo anticorpo anti-Rh(D) e submetidas à transfusão intra-uterina no Rio de Janeiro, Brasil: Uma série de casos entre 1996 e 2006]]></article-title>
<article-title xml:lang="en"><![CDATA[Perinatal results in Rh(D) alloimmunised pregnancies submitted to intrauterine foetal transfusion in Rio de Janeiro, Brazil: A case series from 1996 to 2006]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lobato]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silveira Soncini]]></surname>
<given-names><![CDATA[Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Fundação Oswaldo Cruz (IFF-FIOCRUZ) Instituto Fernandes Figueira Departamento de Obstetrícia]]></institution>
<addr-line><![CDATA[Rio de Janeiro ]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="A02">
<institution><![CDATA[,IFF-FIOCRUZ  ]]></institution>
<addr-line><![CDATA[Rio de Janeiro ]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2009</year>
</pub-date>
<volume>60</volume>
<numero>1</numero>
<fpage>68</fpage>
<lpage>74</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0034-74342009000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0034-74342009000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0034-74342009000100009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Objetivo: evaluar los resultados perinatales de las pacientes isoinmunizadas sometidas a transfusión fetal intrauterina en el Instituto Fernandes Figueira (Río de Janeiro, Brasil). Materiales y métodos: estudio descriptivo retrospectivo, que incluyó a mujeres que requirieron transfusión fetal intrauterina entre 1996 y 2006. Se analizaron la historia perinatal, los datos de la asistencia prenatal durante la gestación actual y los resultados perinatales. Resultados: a un total de 85 madres isoinmunizadas, 90 gestaciones y 94 fetos (4 gestaciones gemelares) se les hicieron 316 transfusiones intrauterinas. Todas las 90 gestaciones exhibían anticuerpos anti-Rh(D). Doce fetos (12,8%) demostraban hidropesía en la primera transfusión y cinco (5,3%) tenían ascitis. Ocurrieron diez óbitos perinatales (4 óbitos fetales y 6 óbitos neonatales), totalizando una sobrevida de 89,4%. Fetos sin hidropesía tuvieron una sobrevida de 92,2% y fetos que presentaron hidropesía tuvieron un peor pronóstico, con sobrevida de 76,5%. Conclusiones: los resultados descritos confirman la eficacia y seguridad de la transfusión fetal intrauterina para el tratamiento de la anemia hemolítica inmune, realizada en centros de referencia para enfermedades perinatales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Objective: evaluating the perinatal results of isoimmunised pregnancies submitted to intrauterine foetal transfusion at the Fernandes Figueira Institute (Rio de Janeiro, Brazil). Patients and methods: this was a retrospective descriptive review of the charts of isoimmunised pregnant women submitted to intrauterine foetal transfusion from 1996 to 2006. Perinatal history, antenatal assistance at the index pregnancy and perinatal outcomes were assessed. Results: 316 intra-uterine transfusions were given to 85 pregnant women (to correct foetal anaemia), 90pregnanciesand94foetuses(4twinpregnancies). All 90 pregnancies had the anti-Rh(D) antibody. Twelve foetuses (12.8%) were hydropic at the first intrauterine transfusion and 5 (5.3%) presented ascitis. Survival rate was 89.4%, with 4 foetal deaths and 6 neonatal deaths. However, perinatal survival was 92.2% for non-hydropic foetuses and 76.5% for hydropic ones. Conclusions: these results confirmed the safetyand efficacy of intrauterine transfusion when treating immune haemolytic anaemia if these procedures are performed in reference units for perinatal assistance when high-risk conditions are involved.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Objetivo: avaliar os resultados perinatais de gestantes isoimunizadas submetidas à transfusão intra-uterina no Instituto Fernandes Figueira (Rio de Janeiro, Brasil). Material e métodos: estudodescritivo,retrospectivo,oqualincluiugestantessubmetidasàtransfusão intra-uterina para correção da anemia hemolítica fetal entre 1996 e 2006. Foi analisado o histórico perinatal, os dados referentes à assistência pré-natal durante a gestação e os resultados perinatais. Resultados: 85 mulheres foram submetidas à transfusão intra-uterina, totalizando 90 gestações, 94 fetos (4 gestações gemelares) e 316 transfusões. Todas as gestantes tinham anticorpos anti-Rh(D). Doze fetos (12,8%) estavam hidrópicos quando da primeira transfusão e 5 (5,3%) tinham ascite isolada. Houve dez óbitos perinatais (4 óbitos fetais e 6 neomortos), totalizando uma sobrevida de 89,4%. Fetos sem hidropisia tiveram sobrevida de 92,2%, porémfetoshidrópicosapresentaramumpiorprognóstico, com sobrevida de 76,5%. Conclusões: os resultados descritos confirmam a eficácia e a segurança da transfusão intra-uterina para o tratamento da anemia hemolítica fetal quando realizadas em uma unidade de referência para a assistência perinatal.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[isoinmunización Rh]]></kwd>
<kwd lng="es"><![CDATA[transfusión fetal intrauterina]]></kwd>
<kwd lng="en"><![CDATA[Rh isoimmunisation]]></kwd>
<kwd lng="en"><![CDATA[intrauterine blood transfusion]]></kwd>
<kwd lng="pt"><![CDATA[isoimunização Rh]]></kwd>
<kwd lng="pt"><![CDATA[transfusão intra-uterina]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font face="verdana" size="2">      <p><font size="4">    <center><b>Resultados perinatales en gestaciones isoinmunizadas por el anticuerpo anti-rh(d), sometidas a transfusi&oacute;n fetal intrauterina en Rio de Janeiro, Brasil. Una serie de casos entre 1996 y 2006</b></center></font></p>     <p><font size="4">    <center><b>Resultados perinatais em gesta&ccedil;&otilde;es aloimunizadas pelo anticorpo anti-Rh(D) e submetidas &agrave; transfus&atilde;o intra-uterina no Rio de Janeiro, Brasil. Uma s&eacute;rie de casos entre 1996 e 2006</b></center></font></p>     <p>    <center>Gustavo Lobato, M.D.*, Cristina Silveira-Soncini**</center>     <p>    <center>Recibido: julio 4/08 - Aceptado: diciembre 19/08</center>     <p>* M&eacute;dico do Setor de Medicina Fetal, Departamento de Obstetr&iacute;cia, Instituto Fernandes Figueira, Funda&ccedil;&atilde;o Oswaldo Cruz (IFF-FIOCRUZ). Departamento de Obstetr&iacute;cia, Avenida Rui Barbosa, 716, 3&ordm; Andar -Flamengo -Rio de Janeiro (RJ), Brasil. CEP: 22250-020. Correio eletr&ocirc;nico para correspond&ecirc;ncia: <a href="mailto:lobato@iff.fiocruz.br">lobato@iff.fiocruz.br</a></p>     ]]></body>
<body><![CDATA[<p>** P&oacute;s-graduanda em Medicina Fetal, IFF-FIOCRUZ. Rio de Janeiro (RJ), Brasil.</p>     <p><b>RESUMEN </b></p>     <p><b>Objetivo: </b>evaluar los resultados perinatales de las pacientes isoinmunizadas sometidas a transfusi&oacute;n fetal intrauterina en el Instituto Fernandes Figueira (R&iacute;o de Janeiro, Brasil). </p>     <p><b>Materiales y m&eacute;todos: </b>estudio descriptivo retrospectivo, que incluy&oacute; a mujeres que requirieron transfusi&oacute;n fetal intrauterina entre 1996 y 2006. Se analizaron la historia perinatal, los datos de la asistencia prenatal durante la gestaci&oacute;n actual y los resultados perinatales. </p>     <p><b>Resultados: </b>a un total de 85 madres isoinmunizadas, 90 gestaciones y 94 fetos (4 gestaciones gemelares) se les hicieron 316 transfusiones intrauterinas. Todas las 90 gestaciones exhib&iacute;an anticuerpos anti-Rh(D). Doce fetos (12,8%) demostraban hidropes&iacute;a en la primera transfusi&oacute;n y cinco (5,3%) ten&iacute;an ascitis. Ocurrieron diez &oacute;bitos perinatales (4 &oacute;bitos fetales y 6 &oacute;bitos neonatales), totalizando una sobrevida de 89,4%. Fetos sin hidropes&iacute;a tuvieron una sobrevida de 92,2% y fetos que presentaron hidropes&iacute;a tuvieron un peor pron&oacute;stico, con sobrevida de 76,5%. </p>     <p><b>Conclusiones: </b>los resultados descritos confirman la eficacia y seguridad de la transfusi&oacute;n fetal intrauterina para el tratamiento de la anemia hemol&iacute;tica inmune, realizada en centros de referencia para enfermedades perinatales. </p>     <p><b>Palabras clave: </b>isoinmunizaci&oacute;n Rh, transfusi&oacute;n fetal intrauterina. </p>     <p><font size="4">    <center><b>Perinatal results in Rh(D) alloimmunised pregnancies submitted to intrauterine foetal transfusion in Rio de Janeiro, Brazil. A case series from 1996 to 2006</b></center></font></p>     <p><b>SUMMARY </b></p>     ]]></body>
<body><![CDATA[<p><b>Objective: </b>evaluating the perinatal results of isoimmunised pregnancies submitted to intrauterine foetal transfusion at the Fernandes Figueira Institute (Rio de Janeiro, Brazil). </p>     <p><b>Patients and methods: </b>this was a retrospective descriptive review of the charts of isoimmunised pregnant women submitted to intrauterine foetal transfusion from 1996 to 2006. Perinatal history, antenatal assistance at the index pregnancy and perinatal outcomes were assessed. </p>     <p><b>Results: </b>316 intra-uterine transfusions were given to 85 pregnant women (to correct foetal anaemia), 90pregnanciesand94foetuses(4twinpregnancies). All 90 pregnancies had the anti-Rh(D) antibody. Twelve foetuses (12.8%) were hydropic at the first intrauterine transfusion and 5 (5.3%) presented ascitis. Survival rate was 89.4%, with 4 foetal deaths and 6 neonatal deaths. However, perinatal survival was 92.2% for non-hydropic foetuses and 76.5% for hydropic ones. </p>     <p><b>Conclusions: </b>theseresultsconfirmedthesafetyand efficacy of intrauterine transfusion when treating immune haemolytic anaemia if these procedures are performed in reference units for perinatal assistance when high-risk conditions are involved. </p>     <p><b>Key words: </b>Rh isoimmunisation, intrauterine blood transfusion. </p>     <p><b>RESUMO </b></p>     <p><b>Objetivo: </b>avaliar os resultados perinatais de gestantes isoimunizadas submetidas &agrave; transfus&atilde;o intra-uterina no Instituto Fernandes Figueira (Rio de Janeiro, Brasil). </p>     <p><b>Material e m&eacute;todos: </b>estudodescritivo,retrospectivo,oqualincluiugestantessubmetidas&agrave;transfus&atilde;o intra-uterina para corre&ccedil;&atilde;o da anemia hemol&iacute;tica fetal entre 1996 e 2006. Foi analisado o hist&oacute;rico perinatal, os dados referentes &agrave; assist&ecirc;ncia pr&eacute;-natal durante a gesta&ccedil;&atilde;o e os resultados perinatais. </p>     <p><b>Resultados: </b>85 mulheres foram submetidas &agrave; transfus&atilde;o intra-uterina, totalizando 90 gesta&ccedil;&otilde;es, 94 fetos (4 gesta&ccedil;&otilde;es gemelares) e 316 transfus&otilde;es. Todas as gestantes tinham anticorpos anti-Rh(D). Doze fetos (12,8%) estavam hidr&oacute;picos quando da primeira transfus&atilde;o e 5 (5,3%) tinham ascite isolada. Houve dez &oacute;bitos perinatais (4 &oacute;bitos fetais e 6 neomortos), totalizando uma sobrevida de 89,4%. Fetos sem hidropisia tiveram sobrevida de 92,2%, por&eacute;mfetoshidr&oacute;picosapresentaramumpiorprogn&oacute;stico, com sobrevida de 76,5%. </p>     <p><b>Conclus&otilde;es: </b>os resultados descritos confirmam a efic&aacute;cia e a seguran&ccedil;a da transfus&atilde;o intra-uterina para o tratamento da anemia hemol&iacute;tica fetal quando realizadas em uma unidade de refer&ecirc;ncia para a assist&ecirc;ncia perinatal. </p>     ]]></body>
<body><![CDATA[<p><b>Palavras-chave: </b>isoimuniza&ccedil;&atilde;o Rh, transfus&atilde;o intra-uterina. </p>     <p><b>INTRODU&Ccedil;&Atilde;O </b></p>     <p>At&eacute; meados do s&eacute;culo passado a Doen&ccedil;a Hemol&iacute;tica Perinatal (DHPN) secund&aacute;ria &agrave; Aloimuniza&ccedil;&atilde;o Rh(D) era respons&aacute;vel por cerca de 10% da mortalidade perinatal.<sup>1,2 </sup>Embora a introdu&ccedil;&atilde;o na pr&aacute;tica cl&iacute;nica da imunoglobulina anti-Rh(D) tenha proporcionado consider&aacute;vel decl&iacute;nio na sua incid&ecirc;ncia,<sup>3 </sup>a magnitude da doen&ccedil;a &eacute; ainda elevada em v&aacute;rias partes do mundo.<sup>4-7 </sup></p>     <p>Quanto ao progn&oacute;stico fetal e neonatal, os grandes avan&ccedil;os proped&ecirc;uticos relacionados ao diagn&oacute;stico da anemia fetal e seu tratamento proporcionaram uma significativa melhora dos resultados perinatais.<sup>2 </sup>Inicialmente realizada pela via intraperitoneal fetal,<sup>8 </sup>ao longo das duas &uacute;ltimas d&eacute;cadas a transfus&atilde;o fetal tem sido implementada preferencialmente com a t&eacute;cnica intravascular.<sup>9 </sup>Esta abordagem tem apresentado uma sobrevida acima de 85% em diferentes contextos e pa&iacute;ses,<sup>10,11 </sup>com menores taxas de prematuridade<sup>1 </sup>e um favor&aacute;vel desenvolvimento neurol&oacute;gico em longo prazo.<sup>12 </sup></p>     <p>Este artigo tem como objetivo avaliar os resultados perinatais de gesta&ccedil;&otilde;es acometidas pela DHPN e submetidas &agrave; transfus&atilde;o intravascular intra-uterina (TIU) no Instituto Fernandes Figueira, Funda&ccedil;&atilde;o Oswaldo Cruz (IFF-FIOCRUZ), Rio de Janeiro, Brasil, e compar&aacute;-los aos resultados de outros servi&ccedil;os de refer&ecirc;ncia. Essa iniciativa se justifica na medida em que cada unidade de sa&uacute;de deve estar atenta aos resultados obtidos na assist&ecirc;ncia &agrave; sua clientela e, assim, avaliar suas rotinas assistenciais e a qualifica&ccedil;&atilde;o de seus profissionais. </p>     <p><b>MATERIAL E M&Eacute;TODOS </b></p>     <p>Trata-se de um estudo descritivo e retrospectivo, baseado numa s&eacute;rie de casos com amostragem seq&uuml;encial por conveni&ecirc;ncia. Foram avaliados os prontu&aacute;rios maternos e neonatais referentes &agrave;s gesta&ccedil;&otilde;es acometidas pela DHPN e submetidas &agrave; TIU no IFF-FIOCRUZ, entre julho de 1996 e junho de 2006. Foram exclu&iacute;das do estudo gesta&ccedil;&otilde;es que n&atilde;o tiveram a assist&ecirc;ncia perinatal integralmente realizada na institui&ccedil;&atilde;o, e tamb&eacute;m aquelas cujos fetos apresentaram cromossomopatias, infec&ccedil;&otilde;es ou malforma&ccedil;&otilde;es cong&ecirc;nitas. </p>     <p>O IFF-FIOCRUZ caracteriza-se como uma unidade p&uacute;blica, terci&aacute;ria, para a assist&ecirc;ncia materno-infantil no Estado do Rio de Janeiro. Nesse contexto, &eacute; tamb&eacute;mo centro de refer&ecirc;ncia para aassist&ecirc;ncia a gestantes que cursem com aloimuniza&ccedil;&atilde;o e Doen&ccedil;a Hemol&iacute;tica Perinatal. Em virtude do alto custo da assist&ecirc;ncia neonatal de alta complexidade, a clientela do IFF-FIOCRUZ &eacute; predominantemente composta por pessoas oriundas das classes econ&ocirc;micas menos favorecidas, as quais n&atilde;o t&ecirc;m acesso &agrave; rede de sa&uacute;de privada. </p>     <p><b>Procedimento </b></p>     <p>O seguimento pr&eacute;-natal foi baseado na hist&oacute;ria obst&eacute;trica,t&iacute;tulosdeCoombsindireto,ultra-sonografia e espectrofotometria do l&iacute;quido amni&oacute;tico (&#8710;DO) ou avalia&ccedil;&atilde;o do pico de velocidade m&aacute;xima da art&eacute;ria cerebral m&eacute;dia (PSV-ACM).<sup>1 </sup>A cordocentese foi indicada se o PSV-ACM estivesse acima de 1,50 m&uacute;ltiplos da mediana para a idade gestacional,<sup>13 </sup>ou se a &#8710;DO apresentasse valores compat&iacute;veis com as zonas 2 alta ou 3.<sup>14 </sup>As transfus&otilde;es intra-uterinas foram indicadas quando presentes n&iacute;veis de hemoglobina (Hb) ou hemat&oacute;crito (Hct) fetais abaixo de 5&ordm; percentil para a idade gestacional, e esses procedimentos foram realizados conforme descrito por outrosautores.<sup>9,11 </sup>Ointervaloentreastransfus&otilde;esfoi baseado numa estimativa de queda do hemat&oacute;crito fetal de aproximadamente um ponto percentual por dia.<sup>15 </sup>Os fetos hidr&oacute;picos receberam menores volumes transfusionais, com intervalos mais estreitos entre as TIUs, assim evitando sobrecarga do sistema cardiovascular. Pacientes com fetos est&aacute;veis, responsivos &agrave; terapia intra-uterina e com boa evolu&ccedil;&atilde;o tiveram o parto programado para a idade gestacional de 35 semanas. A interrup&ccedil;&atilde;o precoce dagesta&ccedil;&atilde;ofoiindicadaquandodadeterioriza&ccedil;&atilde;odo bem-estarfetal,oudevidoacomplica&ccedil;&otilde;esduranteas transfus&otilde;es. A via de parto foi indicada conforme a gravidade da doen&ccedil;a e a avalia&ccedil;&atilde;o obst&eacute;trica. Profissionais treinados e especialistas em Medicina Fetal foram respons&aacute;veis pelo acompanhamento cl&iacute;nico e sonogr&aacute;fico dessas gesta&ccedil;&otilde;es, sendo as transfus&otilde;es intra-uterinas realizadas por 2 desses profissionais, assessorados por um terceiro profissional de sa&uacute;de, o qual era respons&aacute;vel pelo processamento das amostras sangu&iacute;neas. </p>     ]]></body>
<body><![CDATA[<p><b>Vari&aacute;veis avaliadas </b></p>     <p>A hist&oacute;ria obst&eacute;trica foi caracterizada pela ocorr&ecirc;ncia de abortamentos pr&eacute;vios, espont&acirc;neos ou provocados; &oacute;bitos perinatais pr&eacute;vios, fetais ou neonatais; hidropisia fetal pr&eacute;via; e realiza&ccedil;&atilde;o de procedimentos espec&iacute;ficos para o tratamento da Doen&ccedil;a Hemol&iacute;tica Perinatal, especificamente transfus&atilde;o intra-uterina e exsang&uuml;ineotransfus&atilde;o. Foram classificados como hidr&oacute;picos, tanto na gesta&ccedil;&atilde;o &iacute;ndice quanto nas anteriores, fetos que apresentaram ascite associada ou n&atilde;o a outros derrames cavit&aacute;rios (derrame pleural ou derrame peric&aacute;rdico) e edema subcut&acirc;neo. Outras vari&aacute;veis utilizadas para caracterizar o perfil das gesta&ccedil;&otilde;es assistidas no IFF-FIOCRUZ e seus resultados perinatais inclu&iacute;ram a idade gestacional da 1&ordf; TIU (semanas); n&uacute;mero de transfus&otilde;es por feto; idade gestacional no parto (semanas); via de parto; peso ao nascimento (gramas); &iacute;ndice de APGAR no 1&ordm; e 5&ordm; minuto; e desfecho perinatal (sobrevida; natimortalidade; neomortalidade). </p>     <p><b>An&aacute;lise estat&iacute;stica e quest&otilde;es &eacute;ticas </b></p>     <p>A an&aacute;lise estat&iacute;stica foi implementada atrav&eacute;s do pacote estat&iacute;stico Stata 9 (StataCorp, 2005). Os resultados compreendem uma medida de tend&ecirc;ncia central e os valores extremos, para vari&aacute;veis cont&iacute;nuas, e propor&ccedil;&otilde;es para vari&aacute;veis categ&oacute;ricas. A realiza&ccedil;&atilde;o do estudo foi aprovada pelo Comit&ecirc; de &Eacute;tica em Pesquisa do Instituto Fernandes Figueira. </p>     <p><b>RESULTADOS </b></p>     <p>Entre julho de 1996 e junho de 2006, 85 mulheres Rh(D)-negativo foram submetidas &agrave; transfus&atilde;o intra-uterina para corre&ccedil;&atilde;o da anemia hemol&iacute;tica fetal, totalizando 90 gesta&ccedil;&otilde;es, 94 fetos (4 gesta&ccedil;&otilde;es gemelares) e 316 transfus&otilde;es intra-uterinas. A idade materna m&eacute;dia foi de 29,4 anos (intervalo, 18-42 anos). Conforme apresentado na <a href="#Tabela1">tabela 1</a>, a avalia&ccedil;&atilde;o do hist&oacute;rico obst&eacute;trico dessas gestantes revelou uma alta preval&ecirc;ncia de &oacute;bitos perinatais e exsanguineotransfus&otilde;es pr&eacute;vias, compat&iacute;veis com quadros severos de Doen&ccedil;a Hemol&iacute;tica Perinatal. </p>     <p>    <center><img src="img/revistas/rcog/v60n1/a09t1.jpg"><a name="Tabela1"></a></center></p>     <p>Em todas as 90 gesta&ccedil;&otilde;es estudadas o anticorpo anti-Rh(D) estava presente, e os t&iacute;tulos do teste de Coombs indireto variaram entre 1/8 e 1/2048 (mediana de 1/256). Outros anticorpos detectados foram o anti-c (n=9; 10%); anti-JK&ordf;/anti-JK<sup>b </sup>(n=3; 3,3%); anti-Lewis (n=3; 3,3%); anti-e (n=2; 2,2%); anti-Kell (n=1; 1,1%); anti-S (n=1; 1,1%) e anti-M (n=1; 1,1%). Cinco fetos (5,3%) foram submetidos &agrave; transfus&atilde;o intraperitoneal, apenas na primeira TIU, e todas as transfus&otilde;es subseq&uuml;entes foram realizadas pela via intravascular. </p>     <p>As informa&ccedil;&otilde;es atinentes &agrave; assist&ecirc;ncia pr&eacute;natal e aos resultados perinatais s&atilde;o oferecidas na <a href="#Tabela2">tabela 2</a>, e confrontadas com os resultados de van Kamp et al, 2004.<sup>11 </sup>Considerando apenas os fetos que n&atilde;o apresentavam hidropisia &agrave; admiss&atilde;o, a sobrevida foi de 92,2%. Dentre os 17 hidr&oacute;picos, treze sobreviveram (76,5%).</p>     ]]></body>
<body><![CDATA[<p>    <center><img src="img/revistas/rcog/v60n1/a09t2.jpg"><a name="Tabela2"></a></center></p>     <p><b>DISCUSS&Atilde;O </b></p>     <p>Os resultados deste estudo confirmam os j&aacute; relatados excelentes resultados perinatais de gesta&ccedil;&otilde;es submetidas &agrave; transfus&atilde;o intra-uterina para o tratamento da Doen&ccedil;a Hemol&iacute;tica Perinatal. Conforme pode ser visualizado na <a href="#Tabela3"><b>tabela 3</b></a>, uma sobrevida de 76,5% entre fetos hidr&oacute;picos &agrave; admiss&atilde;o, e 92,2% entre os n&atilde;o-hidr&oacute;picos, s&atilde;o compar&aacute;veis &agrave;quelas descritas por outros autores brasileiros<sup>10,16</sup> e internacionais.<sup>11,17 </sup>Embora os estudos compreendam diferentes per&iacute;odos, suas metodologias s&atilde;o, em linhas gerais, compar&aacute;veis. A &uacute;nica exce&ccedil;&atilde;o que merece destaque &eacute; a introdu&ccedil;&atilde;o do PSV-ACM como m&eacute;todo de escolha para a detec&ccedil;&atilde;o da anemia fetal.<sup>13 </sup>De qualquer forma, parece similar a sobrevida perinatal quando empregados a espectrofotometria do l&iacute;quido amni&oacute;tico ou o PSV-ACM.<sup>18,19 </sup></p>     <p>    <center><img src="img/revistas/rcog/v60n1/a09t3.jpg"><a name="Tabela3"></a></center></p>     <p>Com rela&ccedil;&atilde;o as vari&aacute;veis pr&eacute;-natais e do parto, optou-se pela compara&ccedil;&atilde;o com o estudo publicado por van Kamp et al.<sup>11 </sup>por ser essa a maior casu&iacute;stica dispon&iacute;vel na literatura, e tamb&eacute;m em virtude da similaridade dos procedimentos empregados e per&iacute;odo de estudo. Conforme esses autores, o tardio encaminhamento seria respons&aacute;vel pela alta preval&ecirc;ncia de hidropisia fetal &agrave; admiss&atilde;o em sua casu&iacute;stica. Quanto &agrave; via de parto, o absoluto predom&iacute;nio da cesariana em nossa s&eacute;rie provavelmente se deve ao protocolo institucional, n&atilde;o parecendo guardar rela&ccedil;&atilde;o com absolutas indica&ccedil;&otilde;es cl&iacute;nico-obst&eacute;tricas. </p>     <p>Algumas limita&ccedil;&otilde;es metodol&oacute;gicas inerentes aos estudos retrospectivos devem ser aqui ressaltadas. Em virtude do amplo per&iacute;odo avaliado, os avan&ccedil;os no cuidado perinatal podem acarretar resultados d&iacute;spares ao longo do tempo, assim caracterizando um efeito coorte. De qualquer forma, a relativa raridade da doen&ccedil;a dificulta a obten&ccedil;&atilde;o de um tamanho amostral que possibilite avaliar essas poss&iacute;veis diferen&ccedil;as. Outro ponto a ser discutido, referente aos estudos descritivos, concerne ao escopo de suas infer&ecirc;ncias. Basicamente n&atilde;o se prestam a avaliar ou testar hip&oacute;teses, e sim uma avalia&ccedil;&atilde;o explorat&oacute;ria inicial. Nesse sentido, o presente estudo sugere n&atilde;o haver diferen&ccedil;as nos resultados perinatais de gestantes aloimunizadas pelo anticorpo anti-Rh(D) assistidas em unidades de refer&ecirc;ncia de diferentes pa&iacute;ses. </p>     <p>Apesar dos bons resultados observados mesmo em situa&ccedil;&otilde;es de severidade da DHPN, inquestionavelmente o mais adequado &eacute; a preven&ccedil;&atilde;o da aloimuniza&ccedil;&atilde;o Rh(D) atrav&eacute;s da administra&ccedil;&atilde;o da imunoglobulina anti-Rh(D) nas situa&ccedil;&otilde;es indicadas.<sup>1 </sup>Instalada a sensibiliza&ccedil;&atilde;o materna, a literatura tem consistentemente apresentado que essas gesta&ccedil;&otilde;es devem ser assistidas em centros de refer&ecirc;ncia.<sup>10,11,16,17</sup> </p>     <p>A detec&ccedil;&atilde;o precoce da anemia fetal e a pronta implementa&ccedil;&atilde;o da terap&ecirc;utica adequada previnem a hidropisia fetal e seus efeitos delet&eacute;rios, proporcionando ent&atilde;o melhores desfechos perinatais. </p>     ]]></body>
<body><![CDATA[<p><b>CONCLUS&Otilde;ES </b></p>     <p>Os resultados perinatais de gesta&ccedil;&otilde;es aloimunizadas submetidas &agrave; TIU para corre&ccedil;&atilde;o da anemia hemol&iacute;tica fetal no IFF-FIOCRUZ s&atilde;o compar&aacute;veis aos de outros centros de refer&ecirc;ncia, brasileiros ou internacionais. </p>     <p><b>REFER&Ecirc;NCIAS </b></p>     <!-- ref --><p>1. Moise KJ, Jr. Management of rhesus alloimmunization in pregnancy. Obstet Gynecol 2002;100:600-11. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000066&pid=S0034-7434200900010000900001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>2. Rh-Disease: a perinatal success story. 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Long-term neurodevelopmental outcome after intrauterine transfusion for the treatment of fetal hemolytic disease. Am J Obstet Gynecol 1998;179:858-63. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000077&pid=S0034-7434200900010000900012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>13. Mari G, DeterRL, Carpenter RL, Rahman F, Zimmerman R, Moise KJ, Jr, et al. Noninvasive diagnosis by Doppler ultrasonography of fetal anemia due to maternal red-cell alloimmunization. Collaborative Group for Doppler Assessment of the Blood Velocity in Anemic Fetuses. 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Two hundred intrauterine exchange transfusions in severe blood incompatibilities. Am J Obstet Gynecol 1989;161:709-13. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000082&pid=S0034-7434200900010000900017&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>18. Nardozza LM, Moron AF, Ara&uacute;jo Junior E, Camano L, Chinen PA, Torloni MR. Rh alloimmunization: Doppler or amniotic fluid analysis in the prediction of fetal anemia? Arch Gynecol Obstet 2007;275:107-11. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000083&pid=S0034-7434200900010000900018&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>19. Oepkes D, Seaward PG, Vandenbussche FP, Windrim R, Kingdom J, Beyene J, et al. Doppler ultrasonography versus amniocentesis to predict fetal anemia. N Engl J Med 2006;355:156-64. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000084&pid=S0034-7434200900010000900019&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p><b>Conflito de interesses: </b>nenhum declarado.o.</p> </font>      ]]></body><back>
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