<?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>1688-423X</journal-id>
<journal-title><![CDATA[Archivos de Medicina Interna]]></journal-title>
<abbrev-journal-title><![CDATA[Arch Med Int]]></abbrev-journal-title>
<issn>1688-423X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad de Medicina Interna del Uruguay]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-423X2011000400006</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Trombofilia y embarazo: Pautas de diagnóstico y tratamiento Síndrome antifosfolipídico del embarazo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Stevenazzi]]></surname>
<given-names><![CDATA[Mariana]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="A">
<institution><![CDATA[,  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>07</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>07</month>
<year>2011</year>
</pub-date>
<volume>33</volume>
<fpage>S8</fpage>
<lpage>S10</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-423X2011000400006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-423X2011000400006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-423X2011000400006&amp;lng=en&amp;nrm=iso"></self-uri><kwd-group>
<kwd lng="es"><![CDATA[Embarazo]]></kwd>
<kwd lng="es"><![CDATA[Trombofilia]]></kwd>
<kwd lng="en"><![CDATA[Pregnancy]]></kwd>
<kwd lng="en"><![CDATA[Thrombophilia]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p style="margin-bottom: 0cm; line-height: 0.64cm; widows: 0; orphans: 0; text-align: center;" lang="es-ES"> <font face="Verdana" style="font-size: 13pt"><i><b>Trombofilia y embarazo</b></i></font></p>      <div style="text-align: center;"><font face="Verdana" style="font-size: 13pt"><i><b>Pautas de diagn&oacute;stico y tratamiento</b></i></font></div>      <div style="text-align: center;"></div>      <p style="margin-top: 0.2cm; margin-bottom: 0cm; font-style: normal; line-height: 0.49cm; widows: 0; orphans: 0; text-align: center;" lang="es-ES"> <font face="Verdana">S&iacute;ndrome antifosfolip&iacute;dico del embarazo</font></p>      <p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0; text-align: left;" lang="es-ES">&nbsp;</p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2">     <br>  </font>  </p>      <p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="left" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana"><b>Dra. Mariana Stevenazzi</b></font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2">     <br>  </font>  </p>      ]]></body>
<body><![CDATA[<p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana">El SAF, descrito por Hughes en 1983, es la trombofilia adquirida m&aacute;s frecuente. Puede ser primario (idiop&aacute;tico) o secundario (en el 95% de los casos a LES). El SAFE es causa de importantes problemas para el binomio materno-fetal: trombosis materna, RCIU, abortos recurrentes entre otros. Se postula tambi&eacute;n como causa probable de infertilidad. La importancia en el conocimiento de esta patolog&iacute;a radica en la posibilidad de prevenci&oacute;n de las complicaciones con el tratamiento (trombosis y abortos recurrentes, fundamentalmente).</font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana">A&uacute;n hay puntos controversiales y dificultades con respecto al SAFE. Es dif&iacute;cil definir la relaci&oacute;n causa-efecto dada la patogenia multifactorial. Se plantean adem&aacute;s de los efectos en relaci&oacute;n con los factores de la coagulaci&oacute;n (protromb&oacute;ticos), efecto contra la Anexina V y activaci&oacute;n del complemento como factores etiol&oacute;gicos para la falla de implantaci&oacute;n y PRE. Se discute tambi&eacute;n el variable potencial trombog&eacute;nico de los diferentes anticuerpos en relaci&oacute;n a la cl&iacute;nica as&iacute; como la presencia de anticuerpos antifosfolip&iacute;dicos (APAs) en mujeres sanas. Por otra parte siempre deben excluirse otras causas de mala historia obst&eacute;trica en relaci&oacute;n a mal control de enfermedades coexistentes (HTA, enfermedad renal cr&oacute;nica, LES, diabetes). </font> </p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2">     <br>  </font>  </p>      <p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="left" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana"><b>Cu&aacute;ndo debemos sospechar un SAF</b></font><font face="Verdana" size="2">    <br>  </font>  </p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" style="font-size: 10pt" size="2">Frente a la ocurrencia de trombosis inexplicadas, alteraciones del embarazo vinculables, trombocitopenia inexplicada, alargamiento del tiempo de protrombina o aPTT, <i>livedo reticularis</i>, u otras alteraciones relacionadas a SAF (nefrol&oacute;gicas, neurol&oacute;gicas, card&iacute;acas, entre otras).</font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2">     <br>  </font>  </p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" style="font-size: 10pt" size="2"><b>Recomendaci&oacute;n de </b><i><b>screening</b></i> <b>de APAs</b> seg&uacute;n la ACCP&rsquo;08, COGA (Colegio Americano de Ginec&oacute;logos y Obstetras), grupo CLATH&rsquo;08, entre otros (Gu&iacute;as Italianas, Brit&aacute;nicas, entre otras): </font> </p>      ]]></body>
<body><![CDATA[<p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana">- Frente a historia m&eacute;dica u obst&eacute;trica sugestiva de SAF.</font></p>      <p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana">- PRE (3 o m&aacute;s AE &lt; de 10 semanas) o P&eacute;rdida Fetal Tard&iacute;a (PFT) (AE &gt; 10 semanas) - ACCP: (IA), pret&eacute;rminos &lt; 34 semanas en relaci&oacute;n a Pre-E severa o Eclampsia, RCIU (2C) o insuficiencia placentaria documentada (Eco doppler, Non Stress Test/NST). (Algunos consideran PRE 2 o m&aacute;s AE &lt; 10 semanas).<sup> (<a name="1-5."></a><a href="#1">1</a>-<a href="#5">5</a>)</sup></font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2">     <br>  </font>  </p>      <p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="left" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana"><b>Definici&oacute;n de SAFE</b></font><font face="Verdana" size="2">    <br>  </font>  </p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana">Se define SAFE seg&uacute;n los criterios de Sapporo (1999) y revisados en Sydney 2006 (Miyakis et al), debiendo estar presente 1 criterio cl&iacute;nico m&aacute;s 1 de laboratorio.<sup> (<a name="6."></a><a href="#6">6</a>,<a name="7."></a><a href="#7">7</a>)</sup></font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana">Criterios cl&iacute;nicos: uno o m&aacute;s episodios de trombosis venosa, arterial y/o de peque&ntilde;o vaso (imagen o evidencia histol&oacute;gica) en cualquier &oacute;rgano o tejido y/o morbilidad del embarazo: una o m&aacute;s muertes fetales &gt; 10 semanas de feto morfol&oacute;gicamente normal; uno o m&aacute;s pret&eacute;rminos &lt; de 34 semanas secundario a: Pre-E severa o Eclampsia (de acuerdo a la definici&oacute;n est&aacute;ndar) o insuficiencia placentaria (RCIU &lt; p5 por ECO), oligohidramnios, hipoxemia fetal, sugeridos por Ecodoppler o NST, de fetos morfol&oacute;gicamente normales; tres o m&aacute;s abortos espont&aacute;neos consecutivos inexplicados &lt; de 10 semanas (excluidas otras causas: cromos&oacute;micas maternas o paternas, y anat&oacute;micas o end&oacute;crinas maternas). </font> </p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" style="font-size: 10pt" size="2">Criterios de laboratorio: presencia de APAs en dos o m&aacute;s ocasiones, con una diferencia de 12 semanas como m&iacute;nimo, seg&uacute;n criterios de la Sociedad Internacional de Trombosis y Hemostasis (ISTH) &lsquo;05: <b>ACA</b> (anticuerpos anticardiolipinas): isotipos IgG o IgM &gt; de 40U GPL o MPL o &gt; de percentil 99. <b>Anti &szlig;2 GPI</b> (anti beta 2 glicoprote&iacute;na I) IgG o IgM &gt; percentil 99. <b>AL</b> (anticoagulante l&uacute;pico) positivo.</font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana">El punto de corte y el requisito de dos o m&aacute;s determinaciones es importante para descartar falsos positivos, los cuales pueden ser a bajo t&iacute;tulo y transitorios vinculados a f&aacute;rmacos e infecciones, etc. El estudio de otros Ac que pueden estar presentes en el SAF pero menos frecuentes y de dudosa sensibilidad y especificidad (antiAnexina V, antifosfatidilinositol, antiprotrombina, etc.) a&uacute;n no han sido avalados, si bien est&aacute;n en desarrollo importantes estudios de investigaci&oacute;n. As&iacute; como el isotipo IgA de los APAs.</font></p>      ]]></body>
<body><![CDATA[<p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" style="font-size: 10pt" size="2">Test para APAs: <b>ELISA</b> (para ACA y anti &szlig;2GPI) y <b>LA Test</b> para AL. (aPTT-adecuado a la detecci&oacute;n de AL); Test de Veneno de V&iacute;bora de Russell diluido (dVVRT).<sup> (<a name="8."></a><a href="#8">8</a>)</sup></font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2">     <br>  </font>  </p>      <p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="left" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana"><b>Evidencia sobre manifestaciones cl&iacute;nicas en SAFE</b></font><font face="Verdana" size="2">    <br>  </font>  </p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana">Hay clara evidencia en cuanto al riesgo de trombosis en relaci&oacute;n a SAFE, si bien es variable. La mayor&iacute;a son venosos. Este riesgo aumenta aun m&aacute;s si se asocia a TH. Con respecto a las manifestaciones obst&eacute;tricas hay evidencia de asociaci&oacute;n con: Pre-E precoz y severa (ACA: OR 2,72 y AL: OR 1,45)<sup> (<a name="9."></a><a href="#9">9</a>)</sup>; RCIU, se vio un aumento en la frecuencia 30% vs 10% en poblaci&oacute;n control (AL positivo 12% vs AL- 2%)<sup> (<a name="10."></a><a href="#10">10</a>)</sup>; PFT, se vio una fuerte asociaci&oacute;n y mayor riesgo de recurrencia (AL OR 13, ACA IgG OR 3,6 e IgM OR 5,6)<sup> (<a name="11."></a><a href="#11">11</a>)</sup> y con AE &lt; 10 semanas, si bien hay datos controversiales (unos a favor y otros en contra)<sup> (<a name="12-14."></a><a href="#12">12</a>-<a href="#14">14</a>)</sup>.</font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2">     <br>  </font>  </p>      <p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="left" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana"><b>Tratamiento</b></font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" style="font-size: 10pt" size="2">La <b>meta</b> es: prevenir complicaciones (morbimortalidad) materno-fetales (trombosis maternas y prevenir complicaciones obst&eacute;tricas). El tratamiento siempre debe ser individualizado seg&uacute;n cada caso particular.</font></p>      ]]></body>
<body><![CDATA[<p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" style="font-size: 10pt" size="2">Hay diferentes f&aacute;rmacos que se han utilizado y estudiado para el tratamiento del SAFE<sup>(<a name="15."></a><a href="#15">15</a>)</sup>. El &aacute;cido acetil salic&iacute;lico (<b>AAS</b>) tiene un efecto beneficioso demostrado para prevenci&oacute;n de p&eacute;rdidas fetales, con tasa de Nacidos Vivos (NV) variable de hasta m&aacute;s de un 72% seg&uacute;n reportes. Se recomienda a dosis bajas (50 a 100 mg/d&iacute;a) y deber&iacute;a suspenderse a las 35 semanas de gestaci&oacute;n<sup> (<a name="16."></a><a href="#16">16</a>)</sup>. Las <b>heparinas</b> (no fraccionadas -HNF, o de bajo peso molecular- HBPM) han sido estudiadas tambi&eacute;n en varios trabajos. Hay evidencia sobre el beneficio de su uso por sus efectos antitromb&oacute;ticos conocidos, antiinflamatorios y por inhibici&oacute;n del complemento; ya sea asociada a AAS o no (tasas de NV 70 a 80%)<sup> (<a name="17-21."></a><a href="#17">17</a>-<a href="#21">21</a>)</sup>. Se recomiendan las HBPM por tener igual eficacia que las HNF y menos efectos secundarios (menos osteoporosis, menor incidencia de trombocitopenia inducida por heparina-HIT). Los <b>GC </b>(glucocorticoides) no se recomiendan. La <b>Gama Globulina Hiperinmune</b> (IVIG) tiene un lugar sobre todo para casos refractarios o vinculados a plaquetopenia autoinmune. La tasa de NV en un trabajo que comparo IGIV fue de 57% vs. 84% para el grupo que recibi&oacute; HBPM m&aacute;s AAS<sup> (<a href="#15">15</a>)</sup>. La <b>Hidroxicloroquina</b> se reserva para las pacientes portadoras de LES, en las cuales tiene un beneficio sobre la evoluci&oacute;n de la enfermedad y efecto antiplaquetario. Es segura en el embarazo. En estudio su uso para SAFE primario. Las <b>Estatinas</b> si bien tienen un rol antiinflamatorio y antitromb&oacute;tico se contraindican en el embarazo. </font> </p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2">     <br>  </font>  </p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana"><b>Se recomienda monitorear cifras plaquetarias durante el uso de heparinas y de indicarse AAS en puerperio el consentimiento del Neonat&oacute;logo.</b></font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2"> <img src="/img/revistas/ami/v33s2/2a06t1.JPG" name="gr&aacute;ficos1" align="bottom" border="0" height="529" width="429"></font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2">     <br>  </font>  </p>      <p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="left" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana"><b>Conclusiones</b></font><font face="Verdana" size="2">    <br>  </font>  </p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana">Seg&uacute;n la revisiones bibliogr&aacute;ficas revisadas se concluye que son necesarios estudios de buena calidad estad&iacute;stica para claras recomendaciones en SAFE. Existiendo a&uacute;n puntos controversiales.</font></p>      ]]></body>
<body><![CDATA[<p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"></p>      <p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES">&nbsp;</p>      <p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font size="2" face="Verdana" style="font-size: 10pt"><b>Palabras clave:</b> Embarazo; Trombofilia.</font></p>      <p style="margin-bottom: 0.35cm;" lang="es-ES"> <font size="2" face="Verdana"><b>Keywords:</b></font><font size="2"><font face="Verdana"> </font> <span style="font-family: Verdana;">Pregnancy; Thrombophilia.</span></font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> </p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2">     <br>  </font>  </p>      <p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="left" lang="es-ES"> &nbsp;</p>      <p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="left" lang="es-ES"> <font style="font-size: 10pt;" size="2" face="Verdana"><b>Bibliograf&iacute;a</b></font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" size="2">     ]]></body>
<body><![CDATA[<br>  </font>  </p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a name="1"></a><a href="#1-5.">1</a>. ACOG. Practice Bulletin. Antiphospholipid s&iacute;ndrome. Obstet. Gynecol. 2005; 106:1113.    </font></p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a name="2"></a><a href="#1-5.">2</a>. Bates SM, Greer IA, Pabinger I, Sofaer S, Hirsh J; American College of Chest Physicians. Venous Thromboembolism,thrombophilia, antithrombotic therapy and pregnancy: American College of Chest Physicians Evidence-Based Clinical Preactice Guidelines (8th Edition). Chest. 2008 Jun;133(6 Suppl):844S-886S.    </font></p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a name="3"></a><a href="#1-5.">3</a>. Otero, Ana Mar&iacute;a; Sarto, Adriana; Amigo, Mary Carmen; Mijares, Mercedes; Amante de Guggiari, Paula; De Lisa, Elena; Chumpitaz, Gloria; Meschengieser, Susana.<font color="#000000"> </font>Trombofilia y embarazo: consenso del Grupo CLAHT.<font color="#000000"> </font>Arch. Med. Interna (Montevideo);30(2/3):59-63, set. 2008.    </font></p>      <p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a name="4"></a><a href="#1-5.">4</a>. Lussana F, Dentali F, Abbate R, d&rsquo;Aloja E, D&rsquo;Angelo A, De Stefano V, Faioni EM, Grandone E, Legnani C, Martinelli I, Simioni P, Tormene D, Italian Society for Haemostasis and Thrombosis. Screening for thrombophilia and antithrombotic prophylaxis in pregnancy: Guidelines of the Italian Society for Haemostasis and Thrombosis (SISET). Thromb Res. 2009 Nov;124(5):e19-25.</font></p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a name="5"></a><a href="#1-5.">5</a>. Royal College of Obstetricians and Gynaecologists. Gu&iacute;deline N&deg; 17, revisal May 2003.    </font></p>      ]]></body>
<body><![CDATA[<!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a name="6"></a><a href="#6.">6</a>. Wilson WA, Gharavi AE, Koike T, Lockshin MD, Branch DW, Piette JC, Brey R, Derksen R, Harris EN, Hughes GR, Triplett DA, Khamashta MA. International consensus statement on preliminary classification criteria for<font color="#000000"><u> </u></font>definite antiphospholipid syndrome: report of an international workshop. Arthritis Rheum. 1999 Jul;42(7):1309-11.    </font></p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a name="7"></a><a href="#7.">7</a> Miyakis S, Lockshin MD, Atsumi T, Branch DW, Brey RL, Cervera R, Derksen RH, DE Groot PG, Koike T, Meroni PL, Reber G, Shoenfeld Y, Tincani A, Vlachoyiannopoulos PG, Krilis SA. International consensus statement on an update of the classification criteria for definite antiphospholipid syndrome. J Thromb Haematol 2006; 4(2):295-306.    </font></p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a name="8"></a><a href="#8.">8</a> Reber G, Tincani A, Sanmarco M, de Moerloose P, Boffa MC; Standardization group of the European Forum on Antiphospholipid Antibodies. Proposals for the measurement of anti-beta2-glycoprotein I antibodies. Standardization group of the European Forum on Antiphospholipid Antibodies. J Thromb Haemost. 2004 Oct; 2(10):1860-2.    </font></p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a name="9"></a><a href="#9.">9</a> Robertson L, Wu O, Langhorne P, Twaddle S, Clark P, Lowe GD, Walker ID, Greaves M, Brenkel I, Regan L, Greer IA; Thrombosis Risk and Economic Assessment of Thrombophilia Screening (TREATS) Study. Thrombophilia in pregnancy: a systematic review. Br J Haematol 2006 Jan;132(2):171-96.     </font> </p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#10.">10</a> Yasuda M, Takakuwa K, Tokunaga A, Tanaka K. Prospective studies of the association between anticardiolipin antibody and outcome of pregnancy. Obstet Gynecol 1995 Oct;86(4 Pt 1):555-9.     </font> </p>      ]]></body>
<body><![CDATA[<!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#11.">11</a>. Opatrny L, David M, Kahn SR, Shrier I, Rey E. Association between antiphospholipid antibodies and recurrent fetal loss in women without autoimmune disease. A metanalysis. J. Reumathol. 2006. J Rheumatol. 2006 Nov;33(11):2214-21.     </font> </p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#12-14.">12</a>. Roqu&eacute; H, Paidas MJ, Funai EF, Kuczynski E, Lockwood CJ. Thrombophilias are not associates with early pregnancy loss. Thromb Haemost 2004 Feb; 91(2):290-5.    </font></p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#12-14.">13</a>. Oshiro BT, Silver RM, Scott JR, Yu H, Branch DW. Antiphospholipid antibodies and fetal death. Obstet. Gynecol. 1996; 87 (4): 489-93.    </font></p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#12-14.">14</a>. Cowchock FS, Reece EA, Balaban D, Branch DW, Plouffe L. Repeated fetal losses associated with antiphospholipid antibodies: a collaborative randomized trial comparing prednisone with low dose heparin treatment. Am J Obstet Gynecol 1992 May;166(5):1318-23.     </font> </p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#15.">15</a>. Triolo G, Ferrante A, Ciccia F, Accardo-Palumbo A, Perino A, Castelli A, Giarratano A, Licata G. Randomized study of subcutaneous LMWH plus aspirin versus IVIG in the treatment of recurrent fetal loss associated with antiphospholipid antibodies. Arthritis Rheum 2003 Mar;48(3):728-31.     </font> </p>      ]]></body>
<body><![CDATA[<!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#16.">16</a>. Pattison NS, Chamley LW, Birdsall M, Zanderigo AM, Liddell HS, McDougall J. Does aspirin have a role in improving pregnancy outcome foor women with antiphospholipid syndrome? A randomized controlled trial. Am J Obstet Gynecol 2002;183:1008-1012.    </font></p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#17-21.">17</a>. Empson M, Empson M, Lassere M, Craig JC, Scott JR. Systematic review of therapeutic trials. Recurrent pregnancy loss with antiphospholipid antibody. Obstet Gynecol 2002 Jan; 99(1): 135-144.    </font></p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#17-21.">18</a>. Rai R, Cohen H, Dave M, Regan L. Randomized controlled trial of aspirin and aspirin plus heparin in pregnant women with recurrent miscarriage associated with phospholpid antibodies. BMJ 1997 Jan 25;314(7076):253-7.     </font> </p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#17-21.">19</a>. Kutteh WH.A clinical trial for the treatment of antiphospholipid antibody-associated recurrent pregnancy loss with lower dose heparin and aspirin. Am J Obstet Gynecol 1996 May;174(5):1584-9.     </font> </p>      <!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#17-21.">20</a>. Noble LS, Kutteh WH, Lashey N, Franklin RD, Herrada J. Antiphospholipid antibodies associated with recurrent pregnancy loss: prospective, multicenter, controlled pilot study comparing treatment with LMWH versus HUF. Fertil Steril 2005; 83(3):684-690.    </font></p>      ]]></body>
<body><![CDATA[<!-- ref --><p style="margin-left: 0.6cm; text-indent: -0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="en-US"> <font style="font-size: 10pt;" size="1" face="Verdana"><a href="#17-21.">21</a>. Farquharson RG, Quenby S, Greaves M. Antiphospholipid s&iacute;ndrome in pregnancy: a randomized controlled trial of treatment. Obstet Gynecol 2002 Sep;100(3):408-13.     </font> </p>       ]]></body><back>
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