<?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>S1688-423X2011000400007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Trombofilia y embarazo: Pautas de diagnóstico y tratamiento Preeclampsia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moro]]></surname>
<given-names><![CDATA[Isabel]]></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>S10</fpage>
<lpage>S11</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-423X2011000400007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-423X2011000400007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-423X2011000400007&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: left;" lang="es-ES"> &nbsp;</p>      <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; line-height: 0.49cm; widows: 0; orphans: 0; text-align: center;" lang="es-ES"> <font face="Verdana">Preeclampsia</font></p>      <div style="text-align: left;"></div>  <font face="Verdana"><font size="2">      <br>      <br>  </font><font style="font-size: 10pt;" size="2"><b>Dra. Isabel Moro</b></font><font size="2"> </font></font>     <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font face="Verdana" color="#000000"><small><b>    <br>  Definiciones</b></small><font size="2">    ]]></body>
<body><![CDATA[<br>  </font>  <font style="font-size: 10pt;" size="2"><b>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Pre-E</b>: PA &ge; 140/90 mm Hg + proteinuria &ge; 0,3g de 24 hrs. luego de la semana 20 de EG. (ACO&amp;G)</font></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" color="#000000"><font style="font-size: 10pt;" size="2"><b>Pre-E Severa:</b></font><font size="2"> &ge; </font> <font style="font-size: 10pt;" size="2">160/110 mm Hg, proteinuria &ge; 5 g de 24 hs, oliguria, edemas, dolor en epigastrio o HD, disturbios cerebrales o visuales y/o edema pulmonar. Alteraci&oacute;n de funci&oacute;n hep&aacute;tica y trombocitopenia (s&iacute;ndrome HELLP).</font></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" color="#000000"><b>Eclampsia</b>: convulsiones en el contexto de Pre-E.</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">Factores de riesgo para desarrollar Pre-E</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" color="#000000">IMC &gt; 35 kg/m</font><font color="#000000"><sup><font style="font-size: 10pt;" size="2" face="Verdana">2</font></sup><font style="font-size: 10pt;" size="2" face="Verdana">, diabetes, HTA previa, enfermedad renal, edad &ge; 35 a&ntilde;os, Pre-E previa. </font></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" color="#000000">La presencia de TH o adquirida puede contribuir a la expresi&oacute;n de severidad una vez que la Pre-E se ha desarrollado</font><small><font color="#000000"><sup><font style="font-size: 10pt;" size="2" face="Verdana">(<a name="3."></a><a href="#3">3</a>)</font></sup></font></small><font style="font-size: 10pt;" size="2" face="Verdana" color="#000000">.</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 encontr&oacute; asociaci&oacute;n entre TF y Pre-E severa. No se ha encontrado asociaci&oacute;n entre mayor incidencia de Pre-E y TF. </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">La cl&iacute;nica de la Pre-E es proteiforme, dependiente del fenotipo de cada paciente y de la presencia de factores de riesgo. Se puede considerar como una respuesta materna a la placentaci&oacute;n anormal.</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><font face="Verdana" color="#000000"><small><b>Pron&oacute;stico</b></small><font size="2">    ]]></body>
<body><![CDATA[<br>  </font>  <font style="font-size: 10pt;" size="2">&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Un 6 a 55% presentan riesgo de recurrencia. Mayor riesgo si Pre-E &lt; 28 semanas de gestaci&oacute;n (precoz) y HTA cr&oacute;nica. Un 35% de embarazadas con HTA gestacional (previo a semana 34) desarrollar&aacute;n Pre-E. Por otra parte se asocia a mayor riesgo materno de HTA, cardiopat&iacute;a isqu&eacute;mica y <i>stroke</i></font><font size="2"> </font> <font style="font-size: 10pt;" size="2">a largo plazo.</font></font></p>      <p style="text-indent: 0.6cm; margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" align="justify" lang="es-ES"> <font size="2" face="Verdana">Haber padecido Pre-E severa y precoz en embarazos previos puede ser indicaci&oacute;n de derivaci&oacute;n a hemat&oacute;logo para valoraci&oacute;n de SAF (ver cap&iacute;tulo de SAFE) (<a name="1."></a><a href="#1">1</a>)</font><font style="font-size: 10pt;" size="2" face="Verdana">.</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" color="#000000"><font size="2">Valorar en cada caso particular la solicitud del resto de ex&aacute;menes de trombofilia; en reportes se las asoci&oacute; a mayor severidad de Pre-E. Un metaan&aacute;lisis de 25 estudios de 11.500 mujeres concluye sobre la asociaci&oacute;n significativa de Pre-E y las siguientes trombofilias: FVL y FII G20210A heterocigoto y MTHFR homocigoto, ACA + e hiperhomocisteinemia (<a href="#3">3</a>)</font><font style="font-size: 10pt;" size="2">. Las prote&iacute;nas C y S y la AT no se asociaron ni a mayor incidencia ni a mayor severidad de Pre-E, por lo que no se sugiere su solicitud</font><font size="2"> (<a name="2."></a><a href="#2">2</a>,<a href="#3">3</a>).</font></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" color="#000000"><b>Polimorfismos de la ACE </b></font><font face="Verdana" color="#000000"> <font style="font-size: 10pt;" size="2">(Enzima Conversora de Angiotensina): en ausencia de trombofilia parecen ser un marcador predictivo de muerte fetal. La ACE est&aacute; involucrada en eventos clave de la hemostasis y en procesos inflamatorios relacionados con Pre-E, adem&aacute;s de su rol como modulador del tono vascular y de la proliferaci&oacute;n de la c&eacute;lula muscular. Los polimorfismos de la ACE fueron asociados con mayor incidencia de Pre-E severa y seg&uacute;n algunos autores su presencia ser&iacute;a indicaci&oacute;n de profilaxis con HBPM 40 mg /d&iacute;a en embarazos futuros</font><sup><font size="2"> </font> </sup></font><small><font color="#000000"><sup> <font style="font-size: 10pt;" size="2" face="Verdana">(<a href="#2">2</a>,<a name="4."></a><a href="#4">4</a>)</font></sup></font></small><font style="font-size: 10pt;" size="2" face="Verdana" color="#000000">.</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><font face="Verdana" color="#000000"><small><b>Recomendaciones seg&uacute;n revisi&oacute;n bibliogr&aacute;fica</b></small><font size="2">    <br>  </font>  <font style="font-size: 10pt;" size="2">&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; No se recomienda el uso de HBPM profil&aacute;ctica a mujeres con antecedentes personales (AP) de Pre-E</font><sup><font size="2"> </font> </sup></font><small><font color="#000000"><sup> <font style="font-size: 10pt;" size="2" face="Verdana">(<a href="#1">1</a>,<a href="#2">2</a>,<a name="5."></a><a href="#5">5</a>)</font></sup></font></small><font color="#000000" face="Verdana" size="2"> </font><font style="font-size: 10pt;" size="2" face="Verdana" color="#000000">(excepto SAFE).</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 recomienda el uso de AAS 75-100 mg d&iacute;a (en la noche) (2B) comenzando previo a la planificaci&oacute;n del embarazo (3B) y continuar hasta el parto (1A). </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">Suplementar con Calcio 1 g/d&iacute;a a aquellas que consumen menos de 600 mg de Ca diario (1A).</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" color="#000000"><font style="font-size: 10pt;" size="2">La recomendaci&oacute;n 2) pasa a ser (1A) en caso de mujeres con alto riesgo de Pre-E (&lt;18 a&ntilde;os, mult&iacute;paras, AP de Pre-E severa en gestaci&oacute;n previa)</font><sup><font size="2"> </font> </sup></font><small><font color="#000000"><sup> <font style="font-size: 10pt;" size="2" face="Verdana">(<a href="#1">1</a>,<a href="#2">2</a>,<a href="#5">5</a>)</font></sup></font></small><font style="font-size: 10pt;" size="2" face="Verdana" color="#000000">.</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" 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>*Recomendaciones consensuadas en PARO (ver anexo).</b></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="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="margin-bottom: 0.35cm;" 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>      ]]></body>
<body><![CDATA[<p style="margin-bottom: 0cm; line-height: 120%; widows: 0; orphans: 0;" 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">     <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.">1</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 Practice Guidelines (8th Edition). Chest 2008 Jun; 133 (6 Suppl): 844S-886S.     </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="2"></a><a href="#2.">2</a>. Lowe SA, Brown MA, Dekker GA, Gatt S, McLintock CK, McMahon LP, Mangos G, Moore MP, Muller P, Paech M, Walters B; Society of Obstetric Medicine of Australia and New Zealand. Guidelines for the management of hypertensive disorders of pregnancy 2008&rdquo;. Aust N Z J Obstet Gynaecol. 2009 Jun; 49(3):242-6. </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="#3.">3</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 name="4"></a><a href="#4.">4</a>. Mello G, Parretti E, Fatini C, Riviello C, Gensini F, Marchionni M, Scarselli GF, Gensini GF, Abbate R. Low molecular weight heparin lowers the recurrence rate of preeclampsia and restores the physiological vascular changes in angiotensin-converting enzyme DD women. Hypertension 2004; 45(1):86-91.    </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="5"></a><a href="#5.">5</a>. Magee LA, Helewa M, Moutquin JM, von Dadelszen P. Diagnosis, Evaluation, and Management of the Hypertensive Disorders of Pregnancy. J Obstet Gynaecol Can 2008 March;30 (3 suppl 1).     </font> </p>      <p style="margin-bottom: 0.35cm;" lang="es-ES"> <font face="Verdana" size="2">    <br>      <br>  </font>  </p>       ]]></body><back>
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<source><![CDATA[Chest]]></source>
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