<?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>S0034-74342008000300008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diagnóstico y tratamiento de la corioamnionitis clínica]]></article-title>
<article-title xml:lang="en"><![CDATA[Diagnosis and treatment of clinic chorioamnionitis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espitia-De La Hoz]]></surname>
<given-names><![CDATA[Franklin J.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Militar Nueva Granada Residencia de Ginecología y Obstetricia ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2008</year>
</pub-date>
<volume>59</volume>
<numero>3</numero>
<fpage>231</fpage>
<lpage>237</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0034-74342008000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0034-74342008000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0034-74342008000300008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Objetivo: el objetivo del presente trabajo es revisar algunos aspectos del diagnóstico y tratamiento de la corioamnionitis. Materiales y métodos: se realizó una búsqueda bibliográfica en diferentes bases de datos electrónicas para identificar literatura relevante: Pubmed, Ovid, Elsevier, Interscience, Medline, EBSCO, Scopus, SciELO (1980 al 2008) y Cochrane Pregnancy and Childbirth Group (marzo 31 del 2008) y libros de texto impresos, tratando de encontrar la mejor evidencia respecto al diagnóstico y tratamiento de la corioamnionitis. Resultados: la corioamnionitis es un síndrome que puede afectar, tanto a la madre como al feto, y que debido a sus potenciales repercusiones en el binomio madre-feto, requiere de un diagnóstico y tratamiento oportuno. Conclusión: la sospecha clínica de corioamnionitis es una condición catastrófica del bienestar fetal, que puede desencadenar un parto pretérmino o que potencialmente puede obligar a la inducción del parto con un feto prematuro.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Objective: the present work was aimed at reviewing some aspects of chorioamnionitis diagnosis and treatment. Materials and methods: a search was made of Pubmed, Ovid, Elsevier, Interscience, Medline, EBSCO, Scopus, SciELO (1980 to 2008) and Cochrane Pregnancy and Childbirth Group (March 31st 2008) electronic databases and printed text books to identify literature giving the best evidence regarding chorioamnionitis diagnosis and treatment. Results: chorioamnionitis is a syndrome which can affect both the mother and the foetus, requiring opportune diagnose and treatment due to its potential repercussions on mother-foetus binomial distribution. Conclusion: clinical suspicion of chorioamnionitis is a catastrophic condition of the foetus which can trigger preterm childbirth or may force induction of childbirth thereby leading to a premature foetus.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[corioamnionitis]]></kwd>
<kwd lng="es"><![CDATA[infección intraamniótica]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico y terapia antibiótica]]></kwd>
<kwd lng="en"><![CDATA[chorioamnionitis]]></kwd>
<kwd lng="en"><![CDATA[intra-amniotic infection]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></kwd>
<kwd lng="en"><![CDATA[antibiotic therapy]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font face="verdana" size="2">  <font size="4">    <center><b>Diagn&oacute;stico y tratamiento de la corioamnionitis cl&iacute;nica</b></center></font>    <p></p>     <p>    <center>    <p>Franklin J. Espitia-De La Hoz, M.D.*</p></center></p>     <p>    <center>    <p>&nbsp;</p>    <p>Recibido: abril 1/08 - Aceptado: agosto 19/08</p></center></p>     ]]></body>
<body><![CDATA[<p></p><b>* </b>Residente de ginecolog&iacute;a y obstetricia, Universidad Militar Nueva Granada. Bogot&aacute;, Colombia. Correo electr&oacute;nico: espitiafranklin@hotmail.com </p>     <p><b>RESUMEN </b></p>     <p><b>Objetivo: </b>el objetivo del presente trabajo es revisar algunos aspectos del diagn&oacute;stico y tratamiento de la corioamnionitis. </p>     <p><b>Materiales y m&eacute;todos: </b>se realiz&oacute; una b&uacute;squeda bibliogr&aacute;fica en diferentes bases de datos electr&oacute;nicas para identificar literatura relevante: <i>Pubmed, Ovid, Elsevier, Interscience, Medline, EBSCO, Scopus, SciELO</i> (1980 al 2008) y <i>Cochrane Pregnancy and Childbirth Group</i> (marzo 31 del 2008) y libros de texto impresos, tratando de encontrar la mejor evidencia respecto al diagn&oacute;stico y tratamiento de la corioamnionitis. </p>     <p><b>Resultados: </b>la corioamnionitis es un s&iacute;ndrome que puede afectar, tanto a la madre como al feto, y que debido a sus potenciales repercusiones en el binomio madre-feto, requiere de un diagn&oacute;stico y tratamiento oportuno. </p>     <p><b>Conclusi&oacute;n: </b>la sospecha cl&iacute;nica de corioamnionitis es una condici&oacute;n catastr&oacute;fica del bienestar fetal, que puede desencadenar un parto pret&eacute;rmino o que potencialmente puede obligar a la inducci&oacute;n del parto con un feto prematuro. </p>     <p><b>Palabras clave: </b>corioamnionitis, infecci&oacute;n intraamni&oacute;tica, diagn&oacute;stico y terapia antibi&oacute;tica. </p> <font size="4">    <center><b>Diagnosis and treatment of clinic chorioamnionitis</b></center></font>     <p><b>SUMMARY </b></p>     <p><b>Objective</b><b>: </b>the present work was aimed at reviewing some aspects of chorioamnionitis diagnosis and treatment. </p>     ]]></body>
<body><![CDATA[<p><b>Materials and methods: </b>a search was made of Pubmed, Ovid, Elsevier, Interscience, Medline, EBSCO, Scopus, SciELO (1980 to 2008) and Cochrane Pregnancy and Childbirth Group (March 31st 2008) electronic databases and printed text books to identify literature giving the best evidence regarding chorioamnionitis diagnosis and treatment. </p>     <p><b>Results: </b>chorioamnionitis is a syndrome which can affect both the mother and the foetus, requiring opportune diagnose and treatment due to its potential repercussions on mother-foetus binomial distribution. </p>     <p><b>Conclusion: </b>clinical suspicion of chorioamnionitis is a catastrophic condition of the foetus which can trigger preterm childbirth or may force induction of childbirth thereby leading to a premature foetus. </p>     <p><b>Key words: </b>chorioamnionitis, intra-amniotic infection, diagnosis, antibiotic therapy. </p>     <p><b>INTRODUCCI&Oacute;N </b></p>     <p>La corioamnionitis es una infecci&oacute;n del l&iacute;quido amni&oacute;tico y las membranas que lo contienen; tambi&eacute;n se denomina infecci&oacute;n intraamni&oacute;tica o amnionitis y puede ir acompa&ntilde;ada de una ruptura prematura de membranas o con el saco amni&oacute;tico completo.<sup>1 </sup>Se asocia a una mayor morbimortalidad materna y neonatal, especialmente en reci&eacute;n nacidos pret&eacute;rmino.<sup>2,3 </sup></p>     <p>La corioamnionitis cl&iacute;nica complica entre el 2 y el 11% de todos los embarazos y en aproximadamente el 5% de los casos el feto est&aacute; infectado;<sup>4 </sup>siendo mucho m&aacute;s com&uacute;n en los partos prematuros.<sup>5,6 </sup></p>     <p>La incidencia de corioamnionitis histol&oacute;gica subcl&iacute;nica es mucho m&aacute;s com&uacute;n en embarazos pret&eacute;rmino: 40% entre 24 y 28 semanas, 30% entre 28 y 32 semanas, 20% entre 30 y 36 semanas, y 10% en embarazos mayores de 37 semanas.<sup>7,8 </sup></p>     <p>En la actualidad, existe abundante evidencia biom&eacute;dica, cl&iacute;nica y epidemiol&oacute;gica que permite establecer una relaci&oacute;n causa-efecto entre la corioamnionitis y el desencadenamiento del parto prematuro; y ya no se discute la existencia de especificidad, consistencia y temporalidad de asociaci&oacute;n entre esta infecci&oacute;n con el parto pret&eacute;rmino y/o la ruptura prematura de membranas.<sup>9 </sup></p>     <p>Inicialmente la corioamnionitis fue acu&ntilde;ada como un t&eacute;rmino anatomopatol&oacute;gico que se refer&iacute;a a la infiltraci&oacute;n leucocitaria de la placenta. Posteriormente, este mismo t&eacute;rmino ha sido utilizado para definir la infecci&oacute;n cl&iacute;nicamente evidente de la gestante, el feto, placenta y membranas. Sin embargo, ambos cuadros no son equivalentes ni se presentan a menudo de forma conjunta.<sup>1,3 </sup></p>     ]]></body>
<body><![CDATA[<p>El objetivo de este documento es revisar los aspectos diagn&oacute;sticos y de tratamiento de esta entidad. </p>     <p><b>MATERIALES Y M&Eacute;TODOS </b></p>     <p>Con las palabras claves chorioamnionitis or amnionitis and diagnosis and treatment, se realiz&oacute; una b&uacute;squeda bibliogr&aacute;fica en diferentes bases de datos electr&oacute;nicas para identificar literatura relevante: <i>Pubmed, Ovid, Elsevier, Interscience, Medline, EBSCO, Scopus, SciELO </i>(1980 al 2008) y <i>Cochrane</i><i> Pregnancy and Childbirth Group</i> (marzo 31 del 2008) y libros de texto impresos. </p>     <p><b>DIAGN&Oacute;STICO </b></p>     <p>El diagn&oacute;stico de la corioamnionitis es b&aacute;sicamente cl&iacute;nico y es una infecci&oacute;n que se debe descartar en toda embarazada que presente fiebre sin foco aparente, sobre todo si se sospecha o se ha confirmado una rotura de membranas.<sup>9 </sup></p>     <p>En el 80% de los casos el curso de la corioamnionitis es subcl&iacute;nico, por lo que el diagn&oacute;stico se basar&aacute; en la identificaci&oacute;n de las complicaciones. Con frecuencia, no se manifiesta hasta despu&eacute;s del parto, cuando la madre desarrolla fiebre en el postparto precoz o irritabilidad uterina o el feto presenta mal olor o signos de infecci&oacute;n.<sup>10 </sup>Otro signo de sospecha en las gestaciones pret&eacute;rmino, es la presencia de amenaza de parto prematuro refractaria al manejo. </p>     <p>El diagn&oacute;stico de corioamnionitis cl&iacute;nica se realiza mediante los siguientes datos cl&iacute;nicos, que fueron establecidos por Gibbs y cols:<sup>5 </sup>Temperatura axilar igual o mayor a 38 &ordm;C, acompa&ntilde;ada de dos o m&aacute;s de los siguientes signos (algunos autores han abogado por un umbral m&aacute;s bajo de 37,8 &ordm;C):<sup>11 </sup></p>     <p>a) Sensibilidad uterina anormal. </p>     <p>b) L&iacute;quido amni&oacute;tico purulento o de mal olor. </p>     <p>c) Taquicardia materna mayor de 100 latidos por minuto. </p>     ]]></body>
<body><![CDATA[<p>d) Taquicardia fetal mayor de 160 latidos por minuto. </p>     <p>e) Leucocitosis &gt;15.000/mm3. </p>     <p>f) Aumento de la contractibilidad uterina. </p>     <p>g) Dolor p&eacute;lvico al movimiento. </p>     <p>&#8226; Tinci&oacute;n de Gram con g&eacute;rmenes (recordar que mycoplasma hominis y Ureaplasma urealyticum, Chlamydia trachomatis no se ti&ntilde;en con esta t&eacute;cnica). La presencia de cualquier bacteria y la presencia de leucocitos es sugestiva de infecci&oacute;n. </p>     <p>&#8226; Recuento de gl&oacute;bulos blancos &gt;50 c&eacute;lulas por mm3. </p>     <p>&#8226; Glucosa &lt;15 mg/dl. </p>     <p>&#8226; Cultivos corriente, anaerobio, micoplasma/ureaplasma (medio especial para Chlamydia). </p>     <p>&#8226; Pueden solicitarse estudios de madurez pulmonar despu&eacute;s de las 30-32 semanas. </p>     <p>Estos criterios tienen sensibilidad que oscila entre el 24 y 81%, especificidad entre el 60 y 99%, valor predictivo positivo entre 42 y 91% y valor predictivo negativo entre 68 y 86%.<sup>12 </sup></p>     ]]></body>
<body><![CDATA[<p><b>EX&Aacute;MENES DE LABORATORIO </b></p>     <p>La inespecificidad de la mayor&iacute;a de los laboratorios obliga a realizar el diagn&oacute;stico a trav&eacute;s de la conjugaci&oacute;n de muchos de &eacute;stos. </p>     <p>&#8226; Cultivo del l&iacute;quido amni&oacute;tico: tiene como desventaja el tiempo prolongado para la obtenci&oacute;n de resultados, haci&eacute;ndo lo poco &uacute;til cl&iacute;nicamente; adem&aacute;s que el cultivo no identifica infecciones localizadas en la decidua y corion, que podr&iacute;an ocurrir sin la invasi&oacute;n bacteriana hacia cavidad amni&oacute;tica.<sup>13,14 </sup></p>     <p>&#8226; Prote&iacute;na C reactiva aumentada: suele aumentarse 2 &oacute; 3 d&iacute;as antes de la sintomatolog&iacute;a cl&iacute;nica,<sup>15 </sup>es producto de la reacci&oacute;n hep&aacute;tica de fase aguda a la infecci&oacute;n, en respuesta a la s&iacute;ntesis de IL-6 sintetizada durante el curso de la infecci&oacute;n. </p>     <p>&#8226; La tinci&oacute;n de Gram: se realiza en l&iacute;quido amni&oacute;tico no centrifugado, para detectar la presencia de bacterias y leucocitos; sin embargo, se necesitan aproximadamente 10 microorganismos por mL para que sea positiva y no identifica micoplasmas, altamente reconocidos como grupo importante de causa de corioamnionitis.<sup>9 </sup></p>     <p>&#8226; El nivel bajo de glucosa en l&iacute;quido amni&oacute;tico con valores inferiores a 15 mg/dl es sugestivo,<sup>16 </sup>disminuci&oacute;n probablemente secundaria al metabolismo, tanto bacteriano como de los neutr&oacute;filos. </p>     <p>&#8226; Leucocitosis materna mayor a 15.000 con desviaci&oacute;n a la izquierda y con neutr&oacute;filos en banda superiores a 5%, aunque presenta bajos niveles de sensibilidad y de valor predictivo positivo, lo que lo hace inadecuado para su uso en la pr&aacute;ctica cl&iacute;nica por ser una prueba inespec&iacute;fica, ya que es un est&aacute;ndar cl&iacute;nico de infecci&oacute;n sist&eacute;mica grave.<sup>17 </sup>Algunos autores afirman que cuando el recuento es superior a 12.000 la sensibilidad es del 67% y el valor predictivo positivo del 82%, para el diagn&oacute;stico de infecci&oacute;n del LA.<sup>18 </sup></p>     <p>&#8226; Hemocultivo positivo: tambi&eacute;n tiene como desventaja el tiempo prolongado para la obtenci&oacute;n de resultados, siendo poco &uacute;til cl&iacute;nicamente,<sup>13 </sup>adem&aacute;s que ser&iacute;a diagn&oacute;stico de bacteriemia como eventual complicaci&oacute;n tard&iacute;a. </p>     <p>&#8226; Perfil biof&iacute;sico: se ha reportado que una puntuaci&oacute;n menor o igual a 7, cuya realizaci&oacute;n haya sido en las 24 horas previas a la interrupci&oacute;n del embarazo, es un buen factor predictivo de sepsis neonatal, y entre m&aacute;s variables est&eacute;n comprometidas, mayor correlaci&oacute;n existe con la infecci&oacute;n fetal.<sup>19 </sup></p>     <p>&#8226; Los niveles de deshidrogenasa l&aacute;ctica (LDH) en l&iacute;quido amni&oacute;tico se han visto elevados en presencia de corioamnionitis y los conceptos actuales la se&ntilde;alan como un predictor altamente espec&iacute;fico y precoz para infecci&oacute;n intraamni&oacute;tica. El valor predictor de corioamnionitis es 410u/L en l&iacute;quido amni&oacute;tico.<sup>20 </sup></p>     ]]></body>
<body><![CDATA[<p>&#8226; Esterasa leucocitaria: es un producto de los leucocitos polimorfonucleares cuya actividad se incrementa en presencia de infecci&oacute;n amni&oacute;tica. Su positividad en el l&iacute;quido amni&oacute;tico tiene una sensibilidad del 91%, especificidad del 84%, y un valor predictivo positivo del 95% y negativo del 74%.<sup>21 </sup>En la actualidad est&aacute;n en estudio las pruebas de diagn&oacute;stico r&aacute;pido de infecci&oacute;n. Por ejemplo, los niveles elevados de interleucina 6 en el l&iacute;quido amni&oacute;tico, que predicen la corioamnionitis con un 100% de sensibilidad y un 83% de especificidad. Algunos autores han concluido que la interleucina 6 es el mejor marcador de la infecci&oacute;n intraamni&oacute;tica;<sup>16 </sup>otros por su parte, definen la corioamnionitis cuando los niveles de IL-6 en el l&iacute;quido amni&oacute;tico, est&aacute;n mayores de 2,6 ng/mL;<sup>22 </sup>y en recientes art&iacute;culos se ha mencionado que los niveles elevados de interleucina 6 en secreciones vaginales tienen un valor predictivo significativo de infecci&oacute;n intraamni&oacute;tica.<sup>23 </sup></p>     <p><b>TRATAMIENTO </b></p>     <p>Cuando se realiza el diagn&oacute;stico de corioamnionitis, el consenso actual es la administraci&oacute;n intraparto de los antibi&oacute;ticos; sin embargo, los resultados no apoyan ni refutan esto, aunque existe una tendencia hacia mejores resultados neonatales cuando los antibi&oacute;ticos se administran intraparto; pero definitivamente la corioamnionitis es mejor prevenirla que tratarla.<sup>24,25 </sup>Se debe tener en cuenta el cubrimiento de g&eacute;rmenes que ya se sabe que se involucran con frecuencia en dicha infecci&oacute;n.<sup>26 </sup></p>     <p>Las pacientes con infecci&oacute;n intraamni&oacute;tica generalmente no responden al tratamiento tocol&iacute;tico y deben ser manejadas, preferentemente, con antibi&oacute;ticos endovenosos: </p>     <p>a) Si hay corioamnionitis cl&iacute;nica: terapia antibi&oacute;tica endovenosa. Si la din&aacute;mica uterina se detiene o es escasa, inducir o conducir, respectivamente, para provocar el parto dentro de las siguientes 6-12 horas; la ces&aacute;rea s&oacute;lo estar&aacute; indicada bajo indicaciones obst&eacute;tricas.<sup>5,27 </sup></p>     <p>b) Si hay una infecci&oacute;n intraamni&oacute;tica subcl&iacute;nica en una paciente con contractilidad uterina, debe suspenderse la terapia tocol&iacute;tica y agregar antibi&oacute;ticos. La gran mayor&iacute;a de las pacientes evolucionar&aacute; a fase activa en forma espont&aacute;nea. Si la paciente no evoluciona hacia fase activa, las situaciones pueden ser:&nbsp; </p>     <p>En la paciente con corioamnionitis diagnosticada durante el trabajo, muchos autores han defendido el tratamiento antibi&oacute;tico parenteral continuo, hasta que la paciente ha logrado permanecer sin fiebre y asintom&aacute;tica por un periodo no menor de 24 a 48 horas.<sup>28,29 </sup></p>     <p><b>En embarazo a t&eacute;rmino: </b>inducir el trabajo de parto dentro las 6 primeras horas de haber hecho el diagn&oacute;stico.<sup>30 </sup>Tratar de realizar el menor n&uacute;mero posible de tactos vaginales. En todas las situaciones y siempre que la situaci&oacute;n obst&eacute;trica as&iacute; lo permita, se procurar&aacute; que la finalizaci&oacute;n del embarazo sea por la v&iacute;a vaginal, con el objeto de minimizar el riesgo de infecci&oacute;n abdominal.<sup>31 </sup></p>     <p><b>En embarazo de 34 a 36 semanas: </b>proceder como si fuera a t&eacute;rmino, puesto que el riesgo de morbilidad y mortalidad neonatal por inmadurez pulmonar, despu&eacute;s de cumplidas las 34 semanas de gestaci&oacute;n, es muy bajo.<sup>30,32 </sup></p>     <p><b>En embarazo de 30 a 33 semanas: </b>estimular madurez pulmonar fetal: 12 mg betametasona intramuscular cada 24 horas por dos ocasiones, hasta completar 48 horas de la primera dosis o 24 horas de la segunda;<sup>33 </sup>instaurar la antibioticoterapia inmediatamente se haga el diagn&oacute;stico. La interrupci&oacute;n puede efectuarse de inmediato si se confirma la presencia de un pulm&oacute;n maduro.<sup>9,34 </sup></p>     ]]></body>
<body><![CDATA[<p>Se podr&iacute;a manejar el embarazo en forma expectante, bajo tratamiento antibi&oacute;tico y supervisi&oacute;n materna y fetal estricta, ya que la conducta cl&iacute;nica requiere un alto grado de individualizaci&oacute;n, debido a que no hay informaci&oacute;n suficiente para manejar estas pacientes en forma &quot;est&aacute;ndar&quot;.<sup>34 </sup></p>     <p><b>En embarazo de 25 semanas y menor de 30 semanas: </b>cada d&iacute;a que pasa incrementa la sobrevida y reduce la morbilidad neonatal en un 1-5%, por lo que la ganancia en uno o dos d&iacute;as es mucho m&aacute;s significativa; siendo relevante las ganancias de m&aacute;s d&iacute;as. En el pron&oacute;stico juega un rol importante el volumen del l&iacute;quido amni&oacute;tico; el oligohidramnios severo da lugar a una hipoplasia pulmonar fetal o defectos musculoesquel&eacute;ticos severos.<sup>9,34 </sup></p>     <p><b>En embarazo menor de 24 semanas: </b>si el diagn&oacute;stico se realiza antes de las 24 semanas, el parto inmediato es el plan m&aacute;s eficiente en cuanto a la relaci&oacute;n de morbi-mortalidad y costo-beneficio.<sup>9 </sup>Una vez que se haya producido el parto, mantener la antibioticoterapia m&iacute;nimo 7 d&iacute;as durante el puerperio.<sup>36 </sup></p>     <p><b>1) Interrupci&oacute;n del embarazo por ces&aacute;rea: </b></p>     <p>En caso de existir una indicaci&oacute;n formal de ces&aacute;rea, &eacute;sta se debe realizar con los m&aacute;ximos cuidados de asepsia y debe tenerse presente lo siguiente: </p>     <p>a) La incidencia de infecciones es similar entre las v&iacute;as de abordaje. </p>     <p>b) El abordaje extraperitoneal no tiene ventajas sobre el abordaje cl&aacute;sico. </p>     <p>c) Evitar el escurrimiento de l&iacute;quido amni&oacute;tico mediante el uso de compresas. </p>     <p>d) Evitar el uso indiscriminado de electrobistur&iacute;. </p>     <p>e) Realizar lavados prolijos en los tejidos que se puedan infectar. </p>     ]]></body>
<body><![CDATA[<p>f) Cambio de guantes para el cierre de la pared abdominal. </p>     <p><b>2) Antibioticoterapia: </b></p>     <p>a) Penicilina cristalina 5 millones cada 6 horas<sup>30</sup>(Alergia: eritromicina 0,5-1 gramo cada 6-8 horas )<sup> </sup>+ gentamicina 3-5 mg/kg/d&iacute;a, una dosis diaria.<sup>29 </sup>Una dosis de carga de 5 millones de unidades intravenosas de penicilina y 2 millones de unidades intravenosas cada 4 horas o 2 gramos de ampicilina intravenosa cada 4 horas, son efectivas en un 90 a 95% para reducir la colonizaci&oacute;n y la sepsis neonatal.<sup>37 </sup></p>     <p>b) Ampicilina 2 gramos cada 6 horas<sup>9 </sup>+ gentamicina 3-5 mg/kg/d&iacute;a, una dosis diaria. </p>     <p>c) Ampicilina sulbactam 2 gramos cada 8 horas<sup>29 </sup>+ clindamicina 600-900 mg cada 8 horas.<sup>29 </sup>(Si la paciente requiere una operaci&oacute;n ces&aacute;rea, a fin de proporcionar una mayor cobertura microbiana contra anaerobios).</p>     <p>d) Ceftriaxona 1 gramo cada 12 horas + clindamicina 600-900 mg cada 8 horas.<sup>29 </sup></p>     <p>e) Metronidazol en dosis de carga de 15 mg/kg, seguidade7,5mg/kg<sup>38</sup>(Si la paciente requiere una operaci&oacute;n ces&aacute;rea, a fin de proporcionar una mayor cobertura microbiana contra anaerobios)<sup> </sup>+ampicilina sulbactam 2 gramos cada 8 horas.<sup>39 </sup>Dado que el principal factor de riesgo conocido para infecci&oacute;n intraamni&oacute;tica por hongos es la asociaci&oacute;n de embarazo a DIU o cerclaje, en pacientes con DIU adicionar fluconazol 400 mg d&iacute;a endovenosos, ya que el 25% de las pacientes tienen infecci&oacute;n por hongos, predominando la candida.<sup>40,41 </sup></p>     <p><b>AGRADECIMIENTOS </b></p>     <p>Al Doctor Jaime Gallego Arbel&aacute;ez, por su oportuna contribuci&oacute;n en la revisi&oacute;n y an&aacute;lisis de este art&iacute;culo, como tambi&eacute;n por sus sugerencias en el contenido del mismo. </p>     <p><b>REFERENCIAS </b></p>     ]]></body>
<body><![CDATA[<!-- ref --><p>1. Hillier SL, Martius J, Krohn M, Kivian N, Holmes KK, Eschenbach DA. A case-control study of chorioamnionitis infection and histologic chorioamnionitis in prematurity. N Engl J Med 1988;319:972-8. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000093&pid=S0034-7434200800030000800001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>2. Armer TL, Duff P. Intraamniotic infection in patients with intact membranes and preterm labor. Obstet Gynecol Surv 1991;46:589-93. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000094&pid=S0034-7434200800030000800002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>3. 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Am J Obstet Gynecol 1991;164:1317-26. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000103&pid=S0034-7434200800030000800011&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>12. Canavan TP, Simhan HN, Caritis S. An evidence-based approach to the evaluation and treatment of premature rupture of membranes: Part II. Obstet Gynecol Surv 2004;59:678-89. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000104&pid=S0034-7434200800030000800012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>13. Greig PC. The diagnosis of intrauterine infection in women with preterm premature rupture of the membranes (PPROM). 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Leukocyte esterase activity in human amniotic fluid for the rapid detection of chorioamnionitis. Am J Obstet Gynecol 1987;157:730-2. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000110&pid=S0034-7434200800030000800018&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>19. Vintzileos MA, Campbell WA, Nochimsom DJ, Connolly ME, Fenter MM, Hoehn GJ. The fetal biophysical profile in patients with premature rupture of the membranes. A nearly predictor of fetal infection. 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