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<front>
<journal-meta>
<journal-id>1690-3110</journal-id>
<journal-title><![CDATA[Revista Venezolana de Endocrinología y Metabolismo]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Venez. Endocrinol. Metab.]]></abbrev-journal-title>
<issn>1690-3110</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Venezolana de Endocrinología y Metabolismo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1690-31102004000200008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síndrome de ovarios poliquísticos en niñas y adolescentes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maulino Cardona]]></surname>
<given-names><![CDATA[Nora]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital de Niños J M de Los Ríos  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2004</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2004</year>
</pub-date>
<volume>2</volume>
<numero>2</numero>
<fpage>28</fpage>
<lpage>29</lpage>
<copyright-statement/>
<copyright-year/>
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</front><body><![CDATA[ <p align="center"><b><span style="FONT-FAMILY: Verdana">Síndrome de ovarios poliquísticos en niñas y adolescentes</span></b></p>     <p align="center"><b><span style="FONT-FAMILY: Verdana"><font size="2">Dra. Nora Maulino Cardona</font></span></b></p>     <p style="TEXT-ALIGN: justify; " align="center"><span style="FONT-FAMILY: Verdana"><font size="2">Servicio de Endocrinología de Niños y Adolescentes. Hospital de Niños “J M de Los Ríos”. Caracas.</font></span></p>     <p style="TEXT-ALIGN: justify; "><span style="FONT-FAMILY: Verdana"><font size="2">El síndrome de ovarios poliquísticos (SOP) es la causa más común de hiperandrogenismo en mujeres jóvenes con una incidencia aproximada de 3% tanto en adolescentes como en adultas<sup>1,2</sup>. Se caracteriza por la disfunción ovárica.</font></span></p>     <p style="TEXT-ALIGN: justify; "><span style="FONT-FAMILY: Verdana"><font size="2">Los criterios diagnósticos de acuerdo al Consenso de Rótterdam 2003 son los siguientes:</font></span></p>     <p style="TEXT-ALIGN: justify; "><span style="FONT-FAMILY: Verdana"><font size="2">1. Oligo o anovulación</font></span></p>     <p style="TEXT-ALIGN: justify; "><span style="FONT-FAMILY: Verdana"><font size="2">2. Signos clínicos y/o bioquímicos de hiperandrogenismo</font></span></p>     <p style="TEXT-ALIGN: justify; "><span style="FONT-FAMILY: Verdana"><font size="2">3. Ovarios poliquísticos.</font></span></p>     <p style="TEXT-ALIGN: justify; "><span style="FONT-FAMILY: Verdana"><font size="2">Exclusión de otras etiologías (hiperplasia suprarrenal congénita, tumores secretantes de andrógenos, síndrome de Cushing) Para su diagnóstico es necesario se cumplan al menos dos de los tres criterios enumerados anteriormente<sup>3</sup>.</font></span></p>     <p style="TEXT-ALIGN: justify; "><span style="FONT-FAMILY: Verdana"><font size="2">A pesar de ser una de las endocrinopatias mas comunes, su etiopatogenia todavía no esta bien aclarada. La heterogeneidad en los hallazgos clínicos y bioquímicos, la ausencia de criterios diagnósticos uniformes; han sido factores que han creado confusión sobre la fisiopatología del síndrome, existiendo en la actualidad “diferentes teorías”, con muchos aspectos todavía sujetos a especulación. Se han planteado varias posibilidades: Defecto primario en la función hipotálamohipofisiaria, en la actividad ovárica, en la acción de la insulina, y en el metabolismo del cortisol, sin embargo, ninguna de estas teorías por si sola explica las múltiples alteraciones asociadas con el síndrome<sup>4,5</sup> Varios estudios han evidenciado que existen bases genéticas en la etiopatogenia del problema<sup>6,7</sup>. Se pudiera considerar al síndrome como producto de un círculo vicioso, el cual puede iniciarse por múltiples sitios de entrada, conduciendo a hiperandrogenismo y anovulación<sup>4</sup>, presentando como alteración de base un desorden en la esteroidogenesis ovárica y adrenal.</font></span></p>     ]]></body>
<body><![CDATA[<p style="TEXT-ALIGN: justify; "><span style="FONT-FAMILY: Verdana"><font size="2">El antecedente de pubarquia precoz y el Retardo de Crecimiento intrauterino se consideran factores predisponentes para su desarrollo<sup>8,9</sup>.</font></span></p>     <p style="TEXT-ALIGN: justify; "><font size="2"><span style="FONT-FAMILY: Verdana">Se ha asociado con 40 % de disminución de la sensibilidad insulinica1<sup>10,11</sup>. Asimismo existen evidencias de disfunción de la célula </span> <font face="Verdana">b</font></font><sup><span style="FONT-FAMILY: Verdana"><font size="2">11,12</font></span></sup><span style="FONT-FAMILY: Verdana"><font size="2"> presentando estas pacientes mayor riesgo de desarrollar diabetes, enfermedades cardiovasculares y síndrome metabólico.</font></span></p>     <p style="TEXT-ALIGN: justify; "><span style="FONT-FAMILY: Verdana"> <font size="2">La clínica es heterogénea, 2/3 presentan manifestaciones cutáneas como hirsutismo, acne o alopecia; 2/3 tienen anovulación y la mitad sufren de obesidad. El hiperandrogenismo ovárico funcional se detecta en 80% de las pacientes, hiperandrogenismo adrenal funcional en 50%, ovarios poliquísticos en 50%, elevación de LH en 50 % e hiperinsulinemia en “un numero significativo” de pacientes.</font><sup><font size="2">13</font></sup></span></p>     <p style="TEXT-ALIGN: justify; "><span style="FONT-FAMILY: Verdana"><font size="2">Para el tratamiento se han usado numerosos medicamentos: contraceptivos orales, sensibilizantes a la insulina como metformin y antiandrógenos como la flutamida Son necesarias además medidas para la modificación del estilo de vida (adecuados hábitos de alimentación y ejercicio).</font><sup><font size="2">14,15,16,17,18,19</font></sup></span></p>     <p style="TEXT-ALIGN: justify; "><span style="FONT-FAMILY: Verdana"><font size="2">El síndrome de ovarios poliquístico, es un cuadro que produce múltiples alteraciones patológicas y puede producir trastornos psicológicos en las adolescentes, además por todas sus consecuencias (infertilidad, diabetes, enfermedades cardiovasculares entre otras) es una patología que en lo posible debe ser prevenida, ejerciendo un seguimiento estrecho de la población con alto riesgo, realizar un diagnostico precoz e instaurar tratamiento especifico con la finalidad de producir la remisión clínica y minimizar las consecuencias a largo plazo.</font></span></p>     <p style="TEXT-ALIGN: justify; "><b><span style="FONT-FAMILY: Verdana" lang="EN-US"><font size="2">Referencias bibliográficas</font></span></b></p>     <!-- ref --><p style="TEXT-ALIGN: justify; "> <span style="FONT-FAMILY: Verdana" lang="EN-US"><font size="2">1. 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Schoerer B. early diagnosis, presenting complaints, and management of hyperandrogenism in adolescents. <i>Current Women´s Healht Reports</i></font></span><span style="FONT-FAMILY: Verdana" lang="EN-US"><font size="2">  2001</font></span><span style="FONT-FAMILY: Verdana" lang="EN-US"><font size="2">; 1:124-130.</font></span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3051238&pid=S1690-3110200400020000800019&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> ]]></body>
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<ref-list>
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