<?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>2176-6223</journal-id>
<journal-title><![CDATA[Revista Pan-Amazônica de Saúde]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Pan-Amaz Saude]]></abbrev-journal-title>
<issn>2176-6223</issn>
<publisher>
<publisher-name><![CDATA[Instituto Evandro Chagas. Secretaria de Vigilância em Saúde e Ambiente. Ministério da Saúde]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2176-62232013000300003</article-id>
<article-id pub-id-type="doi">10.5123/S2176-62232013000300003</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Infecções da corrente sanguínea por Candida spp. em unidade neonatal de hospital de ensino da Região Norte do Brasil: estudo dos fatores de risco]]></article-title>
<article-title xml:lang="en"><![CDATA[Bloodstream infection by Candida spp. in the neonatal unit of a teaching hospital from North Region, Brazil: study of risk factors]]></article-title>
<article-title xml:lang="es"><![CDATA[Infecciones de la corriente sanguínea por Candida spp. en una unidad neonatal de hospital escuela de la Region Norte de Brasil: estudio de los factores de riesgo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soares]]></surname>
<given-names><![CDATA[Luís Paulo de Miranda Araújo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[Rafael Trindade de]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carneiro]]></surname>
<given-names><![CDATA[Irna Carla do Rosário Souza]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidade do Estado do Pará  ]]></institution>
<addr-line><![CDATA[Belém Pará]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2013</year>
</pub-date>
<volume>4</volume>
<numero>3</numero>
<fpage>19</fpage>
<lpage>24</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_arttext&amp;pid=S2176-62232013000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_abstract&amp;pid=S2176-62232013000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_pdf&amp;pid=S2176-62232013000300003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[As candidemias, responsáveis por elevada morbimortalidade, são cada vez mais causa de sepse em unidades de terapia intensiva neonatal. O objetivo do presente trabalho foi avaliar os fatores de risco relacionados com infecções da corrente sanguínea por Candida spp. em neonatos internados na unidade neonatal de um hospital de ensino da Região Norte do Brasil. O estudo foi do tipo caso-controle, retrospectivo, a partir de prontuários de pacientes admitidos de 2008 a 2010, nas unidades de cuidados intermediários e nas de terapia intensiva do setor de neonatologia do hospital da Fundação Santa Casa de Misericórdia do Pará. Foram considerados casos de candidemia quando a hemocultura foi positiva para Candida spp. após 48 h de internação. A proporção entre casos e controles foi de 1:2. O estudo revelou 36 pacientes com candidemia, correspondendo ao coeficiente de 15,1 episódios por mil admissões. A infecção esteve associada ao extremo baixo peso, ao uso de cateter venoso central, à nutrição parenteral prolongada e à antibioticoterapia prévia pelo menos com três antibióticos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Candidemia has been responsible for high morbidity and mortality rates and is increasingly causing sepsis in neonatal intensive care units. The purpose of this study was to evaluate risk factors relating to Candida spp. bloodstream infections among neonates in the neonatal unit of a teaching hospital from Brazilian North Region. It was a retrospective and case-control study involving patient records admitted from 2008 to 2010 to the intermediary and intensive care units in the neonatology division of Fundação Santa Casa de Misericórdia do Pará hospital. Candidemia cases were confirmed when Candida spp. were detected from positive blood culture 48 h after admission. The proportion among cases and controls was 1:2, showing 36 patients with candidemia which is a coefficient of 15.1 episodes per 1,000 admissions. The infection was associated with extremely low birth weight, central venous catheter use, prolonged parenteral nutrition, and previous antibiotic therapy with at least three antibiotics.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Las candidemias, responsables por elevada morbilidad y mortalidad, son cada vez más causa de sepsis en unidades de terapia intensiva neonatal. El ob¡etivo del presente traba¡o fue el de evaluar los factores de riesgo relacionados a infecciones de la corriente sanguínea por Candida spp. en neonatos internados en la unidad neonatal del hospital escuela de la Región Norte de Brasil. El estudio fue del tipo caso-control, retrospectivo, a partir de prontuarios de pacientes admitidos de 2008 a 2010, en las unidades de cuidados intermedios y en las de terapia intensiva del sector de neonatología del hospital de la Fundación Santa Casa de Misericordia de Pará. Se consideraron casos de candidemia cuando el hemocultivo fue positivo para Candida spp. luego de 48 h de internación. La proporción entre casos y controles fue de 1:2. El estudio reveló 36 pacientes con candidemia, correspondiendo a un coeficiente de 15,1 episodios por 1.000 ingresos. La infección estuvo asociada a extremo bajo peso, uso de catéter venoso central, nutrición parenteral prolongada y antibioticoterapia previa con, al menos, tres antibióticos.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Candidemia]]></kwd>
<kwd lng="pt"><![CDATA[Neonatologia]]></kwd>
<kwd lng="pt"><![CDATA[Fatores de Risco]]></kwd>
<kwd lng="en"><![CDATA[Candidemia]]></kwd>
<kwd lng="en"><![CDATA[Neonatology]]></kwd>
<kwd lng="en"><![CDATA[Risk Factors]]></kwd>
<kwd lng="es"><![CDATA[Candidemia]]></kwd>
<kwd lng="es"><![CDATA[Neonatología]]></kwd>
<kwd lng="es"><![CDATA[Factores de Riesgo]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font face="Verdana" size="2"><b>ARTIGO ORIGINAL | ORIGINAL ARTICLE | ART&#205;CULO ORIGINAL</b></font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="4"><b><a name="topo"></a>Infec&#231;&#245;es da corrente sangu&#237;nea por <i>Candida </i>spp. em unidade neonatal de hospital de ensino da Regi&#227;o Norte do Brasil: estudo dos fatores de risco</b></font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="3"><b>Bloodstream infection by <i>Candida </i>spp. in the neonatal unit of a teaching hospital from North Region, Brazil: study of risk factors</b></font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="3"><b>Infecciones de la corriente sangu&#237;nea por <i>Candida </i>spp. en una unidad neonatal de hospital escuela de la Region Norte de Brasil: estudio de los factores de riesgo</b></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font face="Verdana" size="2"><b>Lu&#237;s Paulo de Miranda Ara&#250;jo Soares</b></font><b><font face="Times New Roman" size="2">&nbsp;</font><font face="Verdana" size="2">; Rafael Trindade de Oliveira; Irna Carla do Ros&#225;rio Souza Carneiro</font></b></p>     ]]></body>
<body><![CDATA[<p><font face="Times New Roman" size="2"><i>&nbsp;</i></font><font face="Verdana" size="2"><i>Universidade do Estado do Par&#225;, Bel&#233;m, Par&#225;, Brasil</i></font></p>     <p><font face="Verdana" size="2"><a href="#endereco">Endere&ccedil;o para correspond&ecirc;ncia    <br> Correspondence    <br> Direcci&oacute;n para correspondencia</a></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p> <hr size="1">     <p><font face="Verdana" size="2"><b>RESUMO</b></font></p>     <p><font face="Verdana" size="2">As candidemias, respons&#225;veis por elevada morbimortalidade, s&#227;o cada vez mais causa de sepse em unidades de terapia intensiva neonatal. O objetivo do presente trabalho foi avaliar os fatores de risco relacionados com infec&#231;&#245;es da corrente sangu&#237;nea por <i>Candida </i>spp. em neonatos internados na unidade neonatal de um hospital de ensino da Regi&#227;o Norte do Brasil. O estudo foi do tipo caso-controle, retrospectivo, a partir de prontu&#225;rios de pacientes admitidos de 2008 a 2010, nas unidades de cuidados intermedi&#225;rios e nas de terapia intensiva do setor de neonatologia do hospital da Funda&#231;&#227;o Santa Casa de Miseric&#243;rdia do Par&#225;. Foram considerados casos de candidemia quando a hemocultura foi positiva para <i>Candida </i>spp. ap&#243;s 48 h de interna&#231;&#227;o. A propor&#231;&#227;o entre casos e controles foi de 1:2. O estudo revelou 36 pacientes com candidemia, correspondendo ao coeficiente de 15,1 epis&#243;dios por mil admiss&#245;es. A infec&#231;&#227;o esteve associada ao extremo baixo peso, ao uso de cateter venoso central, &#224; nutri&#231;&#227;o parenteral prolongada e &#224; antibioticoterapia pr&#233;via pelo menos com tr&#234;s antibi&#243;ticos.</font></p>     <p><font face="Verdana" size="2"><b>Palavras-chave: </b>Candidemia; Neonatologia; Fatores de Risco.</font></p> <hr size="1" noshade>     <p><font face="Verdana" size="2"><b>ABSTRACT</b></font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2">Candidemia has been responsible for high morbidity and mortality rates and is increasingly causing sepsis in neonatal intensive care units. The purpose of this study was to evaluate risk factors relating to <i>Candida </i>spp. bloodstream infections among neonates in the neonatal unit of a teaching hospital from Brazilian North Region. It was a retrospective and case-control study involving patient records admitted from 2008 to 2010 to the intermediary and intensive care units in the neonatology division of Funda&#231;&#227;o Santa Casa de Miseric&#243;rdia do Par&#225; hospital. Candidemia cases were confirmed when <i>Candida </i>spp. were detected from positive blood culture 48 h after admission. The proportion among cases and controls was 1:2, showing 36 patients with candidemia which is a coefficient of 15.1 episodes per 1,000 admissions. The infection was associated with extremely low birth weight, central venous catheter use, prolonged parenteral nutrition, and previous antibiotic therapy with at least three antibiotics.</font></p>     <p><font face="Verdana" size="2"><b>Keywords: </b>Candidemia; Neonatology; Risk Factors.</font></p> <hr size="1" noshade>     <p><font face="Verdana" size="2"><b>RESUMEN</b></font></p>     <p><font face="Verdana" size="2">Las candidemias, responsables por elevada morbilidad y mortalidad, son cada vez m&#225;s causa de sepsis en unidades de terapia intensiva neonatal. El ob&#161;etivo del presente traba&#161;o fue el de evaluar los factores de riesgo relacionados a infecciones de la corriente sangu&#237;nea por <i>Candida </i>spp. en neonatos internados en la unidad neonatal del hospital escuela de la Regi&#243;n Norte de Brasil. El estudio fue del tipo caso-control, retrospectivo, a partir de prontuarios de pacientes admitidos de 2008 a 2010, en las unidades de cuidados intermedios y en las de terapia intensiva del sector de neonatolog&#237;a del hospital de la Fundaci&#243;n Santa Casa de Misericordia de Par&#225;. Se consideraron casos de candidemia cuando el hemocultivo fue positivo para <i>Candida </i>spp. luego de 48 h de internaci&#243;n. La proporci&#243;n entre casos y controles fue de 1:2. El estudio revel&#243; 36 pacientes con candidemia, correspondiendo a un coeficiente de 15,1 episodios por 1.000 ingresos. La infecci&#243;n estuvo asociada a extremo bajo peso, uso de cat&#233;ter venoso central, nutrici&#243;n parenteral prolongada y antibioticoterapia previa con, al menos, tres antibi&#243;ticos.</font></p>     <p><font face="Verdana" size="2"><b>Palabras clave: </b>Candidemia; Neonatolog&#237;a; Factores de Riesgo.</font></p> <hr size="1" noshade>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font face="Verdana" size="3"><b>INTRODU&#199;&#195;O</b></font></p>     <p><font face="Verdana" size="2">As infec&#231;&#245;es de corrente sangu&#237;nea (ICS) por <i>Candida </i>spp. est&#227;o associadas a taxas elevadas de morbimortalidade em unidades de terapia intensiva neonatais (UTIN), sendo respons&#225;veis por altera&#231;&#245;es do neurodesenvolvimento em at&#233; 70% dos rec&#233;m-nascidos com extremo baixo peso<sup>1</sup>.</font></p>     <p><font face="Verdana" size="2">A maioria dos epis&#243;dios de fungemia neonatal s&#227;o causados por <i>Candida albicans. </i>Na &#250;ltima d&#233;cada, por&#233;m, estudos, incluindo nacionais, t&#234;m documentado coloniza&#231;&#227;o em at&#233; 50% dos casos por esp&#233;cies de <i>Candida </i>n&#227;o<i>-C. albicans, </i>como a <i>Candida tropicalis, Candida parapsilosis </i>&mdash; a ocorr&#234;ncia desta esp&#233;cie geralmente associada &#224; manipula&#231;&#227;o de cateteres vasculares centrais &mdash; e <i>Candida glabrata</i><sup>2</sup><i>.</i></font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2">No per&#237;odo neonatal, a fungemia &#233; complica&#231;&#227;o grave, principalmente entre rec&#233;m-nascidos de muito baixo peso que, durante interna&#231;&#227;o em UTIN, s&#227;o expostos a situa&#231;&#245;es que levam &#224; ruptura das barreiras de defesa constitu&#237;das por pele e mucosas<sup>3</sup>.</font></p>     <p><font face="Verdana" size="2">A coloniza&#231;&#227;o e a infec&#231;&#227;o por esp&#233;cies de <i>Candida </i>na popula&#231;&#227;o de neonatos s&#227;o favorecidas por caracter&#237;sticas inerentes ao hospedeiro com prematuridade e estrutura imatura das barreiras mucosas e de pele, bem como por fatores externos advindos do manejo em UTIN. Dentre estes, destacam-se o tempo de interna&#231;&#227;o, a exposi&#231;&#227;o prolongada &#224; terapia antimicrobiana, os dispositivos invasivos como cateter venoso central (CVC) e ventila&#231;&#227;o pulmonar mec&#226;nica (VPM), a nutri&#231;&#227;o parenteral prolongada (NPP), o uso de corticosteroides e a densidade de coloniza&#231;&#227;o f&#250;ngica pr&#233;via em s&#237;tios do hospedeiro<sup>1,4</sup>.</font></p>     <p><font face="Verdana" size="2">O melhor conhecimento dos fatores de risco associados a esse tipo de infec&#231;&#227;o possibilita o desenvolvimento de estrat&#233;gias para prevenir sua ocorr&#234;ncia<sup>3</sup>.</font></p>     <p><font face="Verdana" size="2">Considerando a import&#226;ncia das infec&#231;&#245;es f&#250;ngicas em neonatos e o grande n&#250;mero de pacientes internados no hospital da Funda&#231;&#227;o Santa Casa de Miseric&#243;rdia</font> <font face="Verdana" size="2">do Par&#225; (FSCMPA), o presente estudo teve como objetivo determinar a incid&#234;ncia das candidemias em neonatos, sua etiologia, bem como os fatores de risco associados &#224; fungemia.</font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="3"><b>MATERIAIS E M&#201;TODOS</b></font></p>     <p><font face="Verdana" size="2"><b>ASPECTOS &#201;TICOS</b></font></p>     <p><font face="Verdana" size="2">O presente estudo foi iniciado ap&#243;s aprova&#231;&#227;o do projeto de pesquisa pelo N&#250;cleo de Pesquisa e Extens&#227;o em Medicina (NUPEM) da Universidade do Estado do Par&#225; e pelo Comit&#234; de &#201;tica em Pesquisa Envolvendo Seres Humanos da FSCMPA, em protocolo de n&#250;mero 044/10-CEP com data de aprova&#231;&#227;o no dia 26 de maio de 2010.</font></p>     <p><font face="Verdana" size="2"><b>DESENHO DO ESTUDO</b></font></p>     <p><font face="Verdana" size="2">O estudo foi caracterizado como observacional, retrospectivo do tipo caso-controle, sendo realizado com dados referentes aos anos de 2008 a 2010.</font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2"><b>CASU&#205;STICA</b></font></p>     <p><font face="Verdana" size="2">A popula&#231;&#227;o foi formada por 108 pacientes admitidos na unidade neonatal da FSCMPA: 36 pertencentes ao grupo dos casos de candidemia neonatal e 72 ao grupo-controle.</font></p>     <p><font face="Verdana" size="2">Foram considerados como de candidemia os casos de pacientes que tiveram o diagn&#243;stico confirmado por hemocultura ap&#243;s 48 h de admiss&#227;o hospitalar, conforme a defini&#231;&#227;o de infec&#231;&#227;o relacionada &#224; assist&#234;ncia &#224; sa&#250;de tardia de origem hospitalar do Minist&#233;rio da Sa&#250;de<sup>5</sup>.</font></p>     <p><font face="Verdana" size="2">Foram considerados como controle os pacientes admitidos no setor de neonatologia que n&#227;o apresentaram diagn&#243;stico de candidemia confirmado por hemocultura. Para obter uma amostra compar&#225;vel, os controles foram emparelhados para as vari&#225;veis: ala de interna&#231;&#227;o (UTIN ou unidade de cuidados intermedi&#225;rios &mdash;  UCI); per&#237;odo de interna&#231;&#227;o (m&#234;s e ano); e tempo de interna&#231;&#227;o m&#237;nimo, que deveria ser semelhante ao intervalo de tempo entre a interna&#231;&#227;o e a ocorr&#234;ncia de candidemia do caso pareado. Dentre os pacientes que preencheram esse crit&#233;rio, foram sorteados dois controles para cada caso.</font></p>     <p><font face="Verdana" size="2">Os testes de identifica&#231;&#227;o e de antibiograma foram realizados pelo laborat&#243;rio de microbiologia do pr&#243;prio hospital, aplicando a metodologia automatizada Vitek-2 (Vitek Systens Inc., Hazelwood, Mo, EUA).</font></p>     <p><font face="Verdana" size="2"><b>PROTOCOLO DE PESQUISA</b></font></p>     <p><font face="Verdana" size="2">O protocolo de pesquisa aprovado pelo Comit&#234; de &#201;tica da FSCMPA foi elaborado especificamente para o estudo, com base nas fichas de notifica&#231;&#227;o de infec&#231;&#227;o hospitalar da neonatologia, do Servi&#231;o de Controle de Infec&#231;&#227;o Hospitalar da FSCMPA.</font></p>     <p><font face="Verdana" size="2">As informa&#231;&#245;es dos protocolos de pesquisa, identificados aleatoriamente por meio de numera&#231;&#227;o, foram utilizadas somente para a presente pesquisa. As vari&#225;veis foram analisadas em conjunto com as de outros pacientes, n&#227;o sendo divulgada qualquer informa&#231;&#227;o que pudesse levar &#224; sua identifica&#231;&#227;o.</font></p>     <p><font face="Verdana" size="2"><b>VARI&#193;VEIS ESTUDADAS</b></font></p>     <p><font face="Verdana" size="2">Foram coletados os seguintes dados de cada rec&#233;m-nascido: sexo, peso ao nascer, idade gestacional (IG), ala</font> <font face="Verdana" size="2">de interna&#231;&#227;o (UTIN ou UCI), intervalo de tempo entre a interna&#231;&#227;o e o diagn&#243;stico de candidemia, tempo de interna&#231;&#227;o, interven&#231;&#227;o cir&#250;rgica e evolu&#231;&#227;o (alta ou &#243;bito).</font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2">Para definir a ala de interna&#231;&#227;o, o paciente deveria estar internado na UTIN ou UCI no m&#237;nimo por 48 h anteriores &#224; data da coleta da hemocultura.</font></p>     <p><font face="Verdana" size="2">Para a an&#225;lise dos fatores de risco, foram consideradas as seguintes vari&#225;veis: peso ao nascer, IG, uso de CVC, VPM e NPP cirurgia pr&#233;via e uso pr&#233;vio de antimicrobiano.</font></p>     <p><font face="Verdana" size="2">O uso de CVC foi considerado fator de risco quando estava presente no momento do diagn&#243;stico da infec&#231;&#227;o ou at&#233; 48 h ap&#243;s a sua remo&#231;&#227;o, conforme o proposto pelo Minist&#233;rio da Sa&#250;de<sup>5</sup>. O mesmo crit&#233;rio foi utilizado para VPM, NPP e cirurgia pr&#233;via.</font></p>     <p><font face="Verdana" size="2"><b>AN&#193;LISE ESTAT&#205;STICA</b></font></p>     <p><font face="Verdana" size="2">O coeficiente de incid&#234;ncia foi calculado pelo n&#250;mero de epis&#243;dios de candidemia a cada mil admiss&#245;es. O estudo comparativo foi realizado por meio de an&#225;lise de propor&#231;&#245;es, compara&#231;&#227;o de propor&#231;&#245;es e raz&#245;es de chance (<i>odds ratio</i>) com intervalo de confian&#231;a de 95%. Todos os testes foram executados no <i>software </i>estat&#237;stico BioEstat 5.0, considerando um n&#237;vel de rejei&#231;&#227;o da hip&#243;tese de nulidade de 5% (valor de p &#8804; 0,05).</font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="3"><b>RESULTADOS</b></font></p>     <p><font face="Verdana" size="2">No per&#237;odo, foram estudados 36 casos de candidemia neonatal, dos quais 31 ocorreram em UTIN e cinco em UCI, com coeficientes de incid&#234;ncia de 15,1 e 0,9 casos a cada mil admiss&#245;es, respectivamente. A distribui&#231;&#227;o anual dos coeficientes de incid&#234;ncia pode ser observada na <a href="#f1">figura 1</a>. Dentre os pacientes, 61,1% eram do sexo masculino, 80,6% prematuros e 58,3% nasceram com muito baixo peso. O intervalo de tempo entre a interna&#231;&#227;o e o diagn&#243;stico laboratorial de candidemia foi, em m&#233;dia, de 17 dias (desvio padr&#227;o = &plusmn;11) e o tempo m&#233;dio de interna&#231;&#227;o de 56 dias (desvio padr&#227;o = &plusmn;32). A metade dos casos evoluiu a &#243;bito.</font></p>     <p><a name="f1"></a></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p align="center"><img src="/img/revistas/rpas/v4n3/3a03f1.gif" border="0"></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="2"><i>C. albicans </i>(27,8%), <i>C. parapsilosis </i>(25%), <i>C. famata </i>(22,2%), <i>C. glabrata </i>(2,8%) e <i>Candida </i>spp. (22,25) foram as esp&#233;cies identificadas.</font></p>     <p><font face="Verdana" size="2">Os fatores de risco associados &#224; ocorr&#234;ncia de</font> <font face="Verdana" size="2">candidemia est&#227;o dispostos na <a href="#t1">tabela 1</a>.</font></p>     <p><a name="t1"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/rpas/v4n3/3a03t1.gif" border="0"></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="3"><b>DISCUSS&#195;O</b></font></p>     <p><font face="Verdana" size="2">A distribui&#231;&#227;o anual de casos de candidemia revelou um pico de incid&#234;ncia em 2009. At&#233; 2007, os testes utilizados pelo laborat&#243;rio do hospital tinham sensibilidade muito baixa para a identifica&#231;&#227;o de <i>Candida </i>spp. Devido &#224; import&#226;ncia da identifica&#231;&#227;o deste pat&#243;geno, no ano de 2008 as hemoculturas passaram a ser realizadas em laborat&#243;rio externo, por m&#233;todo automatizado. No entanto, a terceiriza&#231;&#227;o do servi&#231;o inviabilizava a coleta do material para hemocultura logo ap&#243;s a suspeita cl&#237;nica. Desse modo, muitas vezes a terapia emp&#237;rica era iniciada antes da coleta do sangue, diminuindo a sensibilidade do exame. Em 2009, o m&#233;todo automatizado para hemocultura foi introduzido no hospital, o que explica o aumento do registro da incid&#234;ncia da infec&#231;&#227;o nesse ano.</font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2">Devido &#224; alta letalidade (50%) relacionada &#224; candidemia neonatal, a partir de 2010 a equipe da Comiss&#227;o de Controle de Infec&#231;&#227;o Hospitalar passou a promover palestras com o objetivo de diminuir os fatores de risco relacionados &#224; infec&#231;&#227;o e de preparar os profissionais para estabelecer diagn&#243;stico precoce de candidemia, o que resultou no decl&#237;nio de sua incid&#234;ncia.</font></p>     <p><font face="Verdana" size="2">Kossoff et al<sup>6</sup>, em 2008, referiram aumento nas ocorr&#234;ncias de candidemia nas &#250;ltimas d&#233;cadas, atribuindo como principal fator determinante os avan&#231;os nos cuidados prestados aos neonatos prematuros.</font></p>     <p><font face="Verdana" size="2">Os diversos procedimentos de rotina em UTIN, como uso de cateter, intuba&#231;&#227;o e NPP, associados ao tempo prolongado de interna&#231;&#227;o, aumentam o risco para a infec&#231;&#227;o<sup>7</sup>.</font></p>     <p><font face="Verdana" size="2">Na presente investiga&#231;&#227;o, a incid&#234;ncia de candidemia em UTIN nos tr&#234;s anos foi relativamente elevada, quando comparada a outras alas do ber&#231;&#225;rio, mas concordantes com os dados de uma unidade de refer&#234;ncia, nos Estados Unidos (12,3/1.000 admiss&#245;es)<sup>8</sup>. No entanto, pesquisas em hospitais de ensino na Argentina e no Kuwait revelaram maiores coeficientes de candidemia: 45,8 e 37,8 casos por mil admiss&#245;es, respectivamente<sup>9,10</sup>. A popula&#231;&#227;o estudada era constitu&#237;da de prematuros (80,6%) e de pacientes com baixo peso (58,3%), condi&#231;&#245;es de risco para adquirir candidemia<sup>8,11</sup>. Ainda que maior n&#250;mero de casos de fungemia por <i>Candida </i>fosse esperado, em muitas ocasi&#245;es o diagn&#243;stico cl&#237;nico n&#227;o foi confirmado, o que pode ser atribu&#237;do &#224; baixa sensibilidade da hemocultura<sup>12</sup>.</font></p>     <p><font face="Verdana" size="2">A <i>C. albicans </i>&#233; considerada a principal esp&#233;cie causadora de fungemia na popula&#231;&#227;o geral. Em estudo multic&#234;ntrico realizado em 11 hospitais de nove cidades brasileiras, <i>C. albicans </i>foi respons&#225;vel por 41% dos casos, seguida por <i>C. tropicalis </i>(21%) e <i>C. parapsilosis </i>(21%)<sup>13</sup>.</font></p>     <p><font face="Verdana" size="2">O predom&#237;nio da <i>C. albicans </i>tamb&#233;m foi observado em neonatos, com incid&#234;ncia dessa esp&#233;cie superior a 50%<sup>9,14,15</sup>. No presente estudo n&#227;o foi poss&#237;vel identificar a esp&#233;cie de <i>Candida </i>em 22,2% dos casos, que tiveram como resultado <i>Candida </i>spp. A principal esp&#233;cie isolada foi a <i>C. albicans, </i>por&#233;m o n&#250;mero de esp&#233;cies de <i>Candida </i>n&#227;o-C. <i>albicans </i>foi elevado.</font></p>     <p><font face="Verdana" size="2">A frequ&#234;ncia de <i>Candida </i>n&#227;o-C. <i>albicans </i>foi de 64,3% entre as esp&#233;cies identificadas, semelhante ao encontrado em hospital terci&#225;rio do nordeste brasileiro, onde a incid&#234;ncia de candidemia por esp&#233;cies de <i>Candida </i>n&#227;o-C. <i>albicans </i>foi de 71%<sup>16</sup>.</font></p>     <p><font face="Verdana" size="2">O predom&#237;nio de <i>C. albicans </i>est&#225; bem estabelecido na literatura, por&#233;m uma mudan&#231;a na distribui&#231;&#227;o das esp&#233;cies de <i>Candida </i>n&#227;o<i>-C. albicans </i>tem sido cada vez mais observada<sup>17</sup>. Dentre as esp&#233;cies de <i>Candida </i>n&#227;o<i>-C. albicans, C. parapsilosis </i>foi a esp&#233;cie mais identificada neste estudo, estando de acordo com dados encontrados na literatura<sup>9,18</sup>.</font></p>     <p><font face="Verdana" size="2">No entanto, em alguns estudos <i>C. parapsilosis </i>foi a principal causa de fungemia<sup>7,10</sup>. Para esses autores, a maior sobreviv&#234;ncia de prematuros de extremo baixo peso aumenta o n&#250;mero de procedimentos invasivos em UTIN. Tais procedimentos estariam associados aos epis&#243;dios de candidemia por <i>C. parapsilosis, </i>pois este fungo tem grande capacidade de formar biofilmes em superf&#237;cies de cateter e contaminar solu&#231;&#245;es parenterais, al&#233;m de estar relacionado a surtos nosocomiais por contamina&#231;&#227;o das m&#227;os dos profissionais de sa&#250;de<sup>19</sup>.</font></p>     <p><font face="Verdana" size="2">A candidemia por <i>C. albicans </i>est&#225; associada &#224; coloniza&#231;&#227;o pr&#233;via, transmitida verticalmente no momento do nascimento. Em contraste, a doen&#231;a invasiva por <i>C. parapsilosis </i>pode ocorrer sem coloniza&#231;&#227;o pr&#233;via, transmitida de forma horizontal por fontes externas de contamina&#231;&#227;o, como: equipamentos m&#233;dicos, fluidos alimentares, cateteres e m&#227;os de profissionais da sa&#250;de<sup>18</sup>. Cuidados com esses materiais, bem  como a higieniza&#231;&#227;o correta das m&#227;os, s&#227;o medidas que podem prevenir a infec&#231;&#227;o por esse pat&#243;geno.</font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2">O n&#250;mero elevado de casos por <i>C. famata </i>pode estar relacionado &#224; contamina&#231;&#227;o das culturas no laborat&#243;rio ou a dificuldades t&#233;cnicas na identifica&#231;&#227;o da esp&#233;cie. Devido &#224; natureza retrospectiva do estudo, n&#227;o foi poss&#237;vel a reidentifica&#231;&#227;o dessas amostras. &#201; importante ressaltar que os casos de infec&#231;&#227;o causados por <i>C. famata </i>preenchiam crit&#233;rios definidos de infec&#231;&#227;o de corrente sangu&#237;nea, com mortalidade elevada (cinco &#243;bitos em oito casos).</font></p>     <p><font face="Verdana" size="2">A ocorr&#234;ncia de candidemia tem sido relacionada a diversos fatores de risco. No presente estudo, foi observado que neonatos com peso ao nascer inferior a 1.000 g, IG &#8804; 32 semanas, uso pr&#233;vio de CVC, NPP e mais de dois antibi&#243;ticos parenterais tiveram maior risco de adquirir candidemia em rela&#231;&#227;o aos controles.</font></p>     <p><font face="Verdana" size="2">Maior incid&#234;ncia de candidemia tem sido registrada em estudos que incluem rec&#233;m-nascidos de baixo peso<sup>4</sup>. Em nossa casu&#237;stica, peso inferior a 1.500 g foi considerado fator de risco para fungemias. Em estudo conduzido em unidade neonatal brasileira na Regi&#227;o Centro-Oeste, foi observado que rec&#233;m-nascidos de baixo peso eram 4,4 vezes mais propensos a apresentarem candidemia do que o grupo controle. O peso acima de 2.500 g pode ser um fator protetor, por&#233;m, a casu&#237;stica n&#227;o foi suficiente para determinar uma rela&#231;&#227;o estat&#237;stica. Pooli et al<sup>9</sup> referem rela&#231;&#227;o inversa entre peso e risco de candidemia, sendo peso inferior a 1.500 g ao nascer um fator at&#233; 20 vezes maior para ocorr&#234;ncia da doen&#231;a.</font></p>     <p><font face="Verdana" size="2">A rela&#231;&#227;o entre prematuridade e fungemia com &#237;ndices superiores a 90% tem tido diversos registros<sup>7,20,21</sup>. Saiman et al<sup>8</sup> demonstraram rela&#231;&#227;o significante entre idade gestacional inferior a 32 semanas e candidemia. Dados de UTI neonatais argentinas<sup>9</sup> mostraram uma probabilidade de 13,65 vezes maior de adquirir ICS por <i>C&#226;ndida </i>em pacientes com IG &#8804; a 32 semanas que o grupo de RNs a termo. No presente estudo, o risco de infec&#231;&#227;o neste grupo foi 2,8 vezes maior em rela&#231;&#227;o ao grupo controle. IG &#8805; a 37 semanas foi um fator protetor contra candidemia.</font></p>     <p><font face="Verdana" size="2">A prematuridade e o baixo peso s&#227;o fatores importantes para infec&#231;&#227;o neonatal porque o sistema imunol&#243;gico se encontra imaturo, o que facilita a entrada de microrganismos hospitalares potencialmente invasivos pela pele e mucosas<sup>22</sup>. Os n&#237;veis de IgG materna est&#227;o baixos na circula&#231;&#227;o, pois a transfer&#234;ncia transplacent&#225;ria que ocorre durante o terceiro trimestre de gravidez &#233; interrompida. Mesmo com n&#237;veis s&#233;ricos de IgG dentro da faixa da normalidade, as fun&#231;&#245;es de opsoniza&#231;&#227;o e do sistema complemento s&#227;o reduzidas em prematuros. A neutropenia &#233; tamb&#233;m um achado comum em prematuros infectados por <i>Candida</i><sup>23</sup><i>.</i></font></p>     <p><font face="Verdana" size="2">Os RNs de extremo baixo peso, assim como os prematuros extremos, t&#234;m tempo de interna&#231;&#227;o maior em UTI e, consequentemente, s&#227;o expostos a diversos procedimentos invasivos, o que aumenta o risco de infec&#231;&#227;o.</font></p>     <p><font face="Verdana" size="2">O uso de NPP tem sido associado &#224; candidemia<sup>9,24 </sup>com &#237;ndices de 93% a 100% em neonatos<sup>3,7</sup>. A nutri&#231;&#227;o</font> <font face="Verdana" size="2">parenteral constitui substrato nutricional para os microrganismos, devido &#224; presen&#231;a de carboidratos, prote&#237;nas e, principalmente, de emuls&#245;es lip&#237;dicas. Uma poss&#237;vel contamina&#231;&#227;o durante seu preparo e manuseio pode ser de dif&#237;cil controle. Al&#233;m disso, a hiperglicemia decorrente da infus&#227;o de glicose &#233; considerada outro fator predisponente &#224; infec&#231;&#227;o<sup>25</sup>.</font></p>     <p><font face="Verdana" size="2">Em rela&#231;&#227;o ao uso de CVC, o risco de candidemia foi 2,7 vezes maior que o do grupo controle, refor&#231;ando que a presen&#231;a de CVC pode ser um dos fatores independentes para o desenvolvimento at&#233; 30 vezes maior de candidemia<sup>26,27,28,29</sup>. A rela&#231;&#227;o entre uso de CVC e candidemia pode ser explicada pela capacidade de forma&#231;&#227;o de biofilmes na superf&#237;cie de cateteres, em especial por <i>C. parapsilosis</i><sup>30</sup><i>, </i>cuja incid&#234;ncia foi muito elevada em nosso estudo.</font></p>     <p><font face="Verdana" size="2">No presente estudo, 100% dos pacientes receberam antibioticoterapia pr&#233;via. Hinrichsen et al<sup>16</sup> e Fran&#231;a et al<sup>31 </sup>encontraram taxas superiores a 90%. Rela&#231;&#227;o semelhante tamb&#233;m foi encontrada por Al-Sweih et al<sup>10</sup>, Del Negro<sup>19</sup>. Para Gondin et al<sup>26</sup>, o uso pr&#233;vio de antibi&#243;tico foi o principal fator de risco para candidemia em neonatos. Ademais, o uso de antibi&#243;ticos contra anaer&#243;bios da microbiota gastrointestinal pode estar associado ao aumento de taxa de candidemia, uma vez que essas bact&#233;rias inibem o crescimento f&#250;ngico no intestino<sup>27</sup>.</font></p>     <p><font face="Verdana" size="2">O uso pr&#233;vio de carbapen&#234;micos &#233; relatado como fator de risco significante para a ocorr&#234;ncia de candidemia<sup>32</sup>. Ainda que os carbapen&#234;micos tenham sido utilizados por 36% dos casos, a associa&#231;&#227;o entre o uso desse antimicrobiano e a ocorr&#234;ncia de candidemia n&#227;o teve signific&#226;ncia estat&#237;stica.</font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2">O maior problema em rela&#231;&#227;o aos estudos sobre candidemia refere-se &#224; dificuldade em se obter uma amostra representativa da doen&#231;a. O n&#250;mero de casos n&#227;o diagnosticados &#233; alto, pois a sensibilidade da hemocultura &#233; baixa (50%), o que gera grande n&#250;mero de resultados falsos negativos<sup>12</sup>.</font></p>     <p><font face="Verdana" size="2">Na maioria das vezes, o diagn&#243;stico de fungemia &#233; presuntivo e baseado em par&#226;metros cl&#237;nicos. Nestes casos, &#233; empregado o tratamento emp&#237;rico, que &#233; de alto custo e de significativa toxicidade. O conhecimento epidemiol&#243;gico em rela&#231;&#227;o &#224; doen&#231;a pode auxiliar nas condutas do profissional de sa&#250;de e melhorar o progn&#243;stico da popula&#231;&#227;o de neonatos.</font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="3"><b>CONCLUS&#195;O</b></font></p>     <p><font face="Verdana" size="2">A ocorr&#234;ncia de candidemia foi de 15,1 por mil admiss&#245;es na UTIN no per&#237;odo estudado, sendo <i>C. albicans </i>e <i>C. parapsilosis </i>as esp&#233;cies respons&#225;veis por mais de 50% dos epis&#243;dios de infec&#231;&#227;o. Neonatos com extremo baixo peso que fizeram uso do CVC, NPP e terapia antimicrobiana com tr&#234;s ou mais drogas durante sua interna&#231;&#227;o em unidade neonatal apresentaram risco aumentado de fungemia. Este estudo refor&#231;a a necessidade de se avaliar o impacto da profilaxia antif&#250;ngica na evolu&#231;&#227;o cl&#237;nica de rec&#233;m-nascidos prematuros.</font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="3"><b>REFER&#202;NCIAS</b></font></p>     <!-- ref --><p><font face="Verdana" size="2">1 Benjamin Junior DK, Stoll BJ, Fanaroff AA, McDonald SA, Oh W, Higgins RD, et al. Neonatal candidiasis among extremely low birth weight infants: risk factors, mortality rates, and neurodevelopmental outcomes at 18 to 22 months. Pediatrics. 2006 Jan;117(1):84-92. Doi:10.1542/peds.2004-2292 &#91;<a href="http://www.ncbi.nlm.nih.gov/pubmed/16396864" target="_blank">Link</a>&#93;</font><!-- ref --><p><font face="Verdana" size="2">2 Borges RM, Soares LR, Brito CS, Brito DVD, Abdallah VOS, Gontijo Filho PP. Risk factors associated with colonization by <i>Candida </i>spp in neonates hospitalized in Neonatal Intensive Care Unit in Brazil. 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<body><![CDATA[<p>&nbsp;</p>     <p><font size="2"><b><font size="2" face="verdana"><b><b><a name="endereco"></a><a href="#topo"><img src="img/revistas/ess/v20n1/seta.gif" border="0"></a></b></b></font></b></font><font face="Verdana" size="2"><b>Correspond&#234;ncia / Correspondence / Correspondencia:</b></font>    <br> <font face="Verdana" size="2">Irna Carla do Ros&#225;rio Souza Carneiro</font>    <br> <font face="Verdana" size="2">Rua Domingos Marreiros, 307. Bairro: Umarizal</font>    <br> <font face="Verdana" size="2">CEP: 66050-210      Bel&#233;m-Par&#225;-Brasil</font>    <br> <font face="Verdana" size="2">Tel.: +55 (91) 8874-4308 / (91) 8116-8230 / 3181-7000</font>    <br> <font face="Verdana" size="2">E-mail: <a href="mailto:irnajula@uol.com.br">irnajula@uol.com.br</a></font></p>     <p><font face="Verdana" size="2">Recebido em / Received / Recibido en: 17/2/2012    <br> Aceito em / Accepted / Aceito en: 12/8/2013</font></p> <script type="text/javascript"> var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); </script> <script type="text/javascript"> try { var pageTracker = _gat._getTracker("UA-7885746-4"); pageTracker._setDomainName("none"); pageTracker._setAllowLinker(true); pageTracker._trackPageview(); } catch(err) {}</script>      ]]></body><back>
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