<?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>1688-1249</journal-id>
<journal-title><![CDATA[Archivos de Pediatría del Uruguay]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Pediatr. Urug.]]></abbrev-journal-title>
<issn>1688-1249</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Uruguaya de Pediatría]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-12492008000400006</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cierre percutáneo de la comunicación interauricular con aneurisma del septum: A propósito de un caso clínico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gambetta]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chiesa]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Giudice]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dutra]]></surname>
<given-names><![CDATA[Sucy]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Denegri]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peluffo]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duhagon]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Centro Hospitalrio Pereira Rossell Servicio de Cardiología Pediátrica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto de Cardiología Infantil (ICI)  ]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<volume>79</volume>
<numero>4</numero>
<fpage>308</fpage>
<lpage>312</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-12492008000400006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-12492008000400006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-12492008000400006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[El cierre de los defectos del septum interauricular (CIA) tipo ostium secundum mediante el uso de dispositivos de implante por vía percutánea se realiza actualmente con seguridad y eficacia. En nuestro medio el dispositivo autorizado es el Amplatzer ASD (AGA Minneapolis EE.UU.). El éxito en su uso está dado por la selección adecuada de los pacientes. Se presenta una adolescente de 14 años portadora de una CIA tipo ostium secundum con aneurisma del septum interauricular amplio; cumpliendo con los criterios de indicación para el cierre con dispositivo implantado por vía percutánea. El aneurisma del septum no contraindica el cierre con dispositivo, representando un reto en la maniobra de colocación y liberación del mismo. El cierre se realizó con éxito sin complicaciones y dando de alta a la paciente a las 18 horas del procedimiento sin shunt residual.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary The closure of interauricular septal defects type ostium secundum through percutaneous implantation devices is nowadays done in a secure and efficient manner. The Amplatzer ASD (AGA Minneapolis USA) is the authorized device used in our media. The success in its use is determined by the appropriate choice of the patients. We present the case of a 14 year old adolescent (female) with ostium secundum and a large interauricular septum aneurysm, which fulfilled the selection criteria and showed no contraindications for the closure with percutaneous device implantation. The septum aneurysm is not a contraindication for closure with a device; however it represents a challenge in its manoeuvering and placement. The closure was performed successfully and without further complications. The patient was discharged 18 hours after the procedure, without residual shunt]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[DEFECTOS DEL TABIQUE INTERATRIAL]]></kwd>
<kwd lng="es"><![CDATA[CATETERISMO CARDÍACO]]></kwd>
<kwd lng="en"><![CDATA[HEART SEPTAL DEFECTS, ATRIAL]]></kwd>
<kwd lng="en"><![CDATA[HEART CATHETERIZATION]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[   <basefont size="3"> <multicol gutter="18" cols="2"></multicol>     <p align="left"><font color="#000000" face="Verdana" size="2"><b>CASO CL&Iacute;NICO</b></font><font face="Verdana" size="2">    <br>  </font>  <font color="#1f1a17" face="Verdana" size="2">Arch Pediatr Urug 2008; 79(4)</font><font face="Verdana" size="2">    <br>  </font>  </p>      <p align="left"><b><font color="#1f1a17" face="Verdana" size="4"> Cierre percut&aacute;neo de la comunicaci&oacute;n interauricular  con aneurisma del septum.     <br>  </font><font color="#1f1a17" face="Verdana"> A prop&oacute;sito de un caso cl&iacute;nico </font></b></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="1-"></a> Juan Carlos Gambetta </font><font color="#1f1a17" face="Times New Roman" size="2"> <a href="#1_"> <font color="#1f1a17" face="Verdana"><sup>1</sup></font></a><font color="#1f1a17" face="Verdana" size="2">, <a name="2-"></a>Pedro Chiesa </font><a href="#2"> <font color="#1f1a17" face="Verdana"><sup>2</sup></font></a><font color="#1f1a17" face="Verdana" size="2">, <a name="3-"></a>Javier Giudice </font><a href="#3_"> <font color="#1f1a17" face="Verdana"><sup>3</sup></font></a><font color="#1f1a17" face="Verdana" size="2">, <a name="4-"></a>Jorge Morales </font><a href="#4_"> <font color="#1f1a17" face="Verdana"><sup>4</sup></font></a><font color="#1f1a17" face="Verdana" size="2">,     <br>  Sucy Dutra </font><a href="#1_"><font color="#1f1a17" face="Verdana"><sup>1</sup></font></a><font color="#1f1a17" face="Verdana" size="2">, <a name="5-"></a>Daniela Denegri </font><a href="#5_"> <font color="#1f1a17" face="Verdana"><sup>5</sup></font></a><font color="#1f1a17" face="Verdana" size="2">, <a name="6-"></a>Carlos Peluffo </font><a href="#6"> <font color="#1f1a17" face="Verdana"><sup>6</sup></font></a><font color="#1f1a17" face="Verdana" size="2">, <a name="7-"></a>Pedro Duhagon </font><a href="#7_"> <font color="#1f1a17" face="Verdana"><sup>7</sup></font></a></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p><font color="#1f1a17" face="Verdana" size="2"><a name="1_"></a><a href="#1-">1</a>. Pediatra. Cardi&oacute;logo Pediatra.    <br>  <a name="2"></a><a href="#2-">2</a>. Cardi&oacute;logo Pediatra. Hemodinamista.    ]]></body>
<body><![CDATA[<br>  <a name="3_"></a><a href="#3-">3</a>. Pediatra. Intensivista Pedi&aacute;trico.    <br>  <a name="4_"></a><a href="#4-">4</a>. Cardi&oacute;logo Pediatra. Ecocardiografista.    <br>  <a name="5_"></a><a href="#5-">5</a>. Licenciada Neumocardi&oacute;loga.    <br>  <a name="6"></a><a href="#6-">6</a>. Cardi&oacute;logo Pediatra. Director T&eacute;cnico del ICI.    <br>  <a name="7_"></a><a href="#7-">7</a>. Cardi&oacute;logo Pediatra. Ex Prof. Agdo. Pediatr&iacute;a.    <br>  Servicio de Cardiolog&iacute;a Pedi&aacute;trica. Hospital Pereira Rossell. Instituto de Cardiolog&iacute;a Infantil (ICI). MUCAM. Montevideo Uruguay.    <br>  Fecha recibido: 15 de setiembre de 2008    <br>  Fecha aprobado: 10 de diciembre de 2008 </font></p>      <p><font face="Verdana" size="2">    <br>  </font>  </p>      ]]></body>
<body><![CDATA[<p align="left"><font color="#1f1a17" face="Verdana" size="2"> Resumen </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> <i>El cierre de los defectos del septum interauricular (CIA) tipo ostium secundum mediante el uso de dispositivos de implante por v&iacute;a percut&aacute;nea se realiza actualmente con seguridad y eficacia. En nuestro medio el dispositivo autorizado es el Amplatzer ASD (AGA Minneapolis EE.UU.). El &eacute;xito en su uso est&aacute; dado por la selecci&oacute;n adecuada de los pacientes. Se presenta una adolescente de 14 a&ntilde;os portadora de una CIA tipo ostium secundum con aneurisma del septum interauricular amplio; cumpliendo con los criterios de indicaci&oacute;n para el cierre con dispositivo implantado por v&iacute;a percut&aacute;nea. El aneurisma del septum no contraindica el cierre con dispositivo, representando un reto en la maniobra de colocaci&oacute;n y liberaci&oacute;n del mismo. El cierre se realiz&oacute; con &eacute;xito sin complicaciones y dando de alta a la paciente a las 18 horas del procedimiento sin shunt residual.</i> </font></p>      <p align="left"><font color="#1f1a17" face="Swis721 Lt BT" size="2"> <font color="#000000" face="Verdana" size="2">Palabras clave:    <br>  &nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#1f1a17" face="Verdana" size="2">DEFECTOS DEL TABIQUE INTERATRIAL    <br>  &nbsp;&nbsp;&nbsp;&nbsp;CATETERISMO CARD&Iacute;ACO</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>  <font face="Verdana" size="2">      <br>  </font>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Summary </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> <i>The closure of interauricular septal defects type ostium secundum through percutaneous implantation devices is nowadays done in a secure and efficient manner. The Amplatzer ASD (AGA Minneapolis USA) is the authorized device used in our media. The success in its use is determined by the appropriate choice of the patients. We present the case of a 14 year old adolescent (female) with ostium secundum and a large interauricular septum aneurysm, which fulfilled the selection criteria and showed no contraindications for the closure with percutaneous device implantation. The septum aneurysm is not a contraindication for closure with a device; however it represents a challenge in its manoeuvering and placement. The closure was performed successfully and without further complications. The patient was discharged 18 hours after the procedure, without residual shunt.</i> </font></p>      <p align="left"><font color="#1f1a17" face="Swis721 Lt BT" size="2"> <font color="#000000" face="Verdana" size="2">Key words:    <br>  &nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#1f1a17" face="Verdana" size="2">HEART SEPTAL DEFECTS, ATRIAL    ]]></body>
<body><![CDATA[<br>  &nbsp;&nbsp;&nbsp;&nbsp;HEART CATHETERIZATION</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>  <font face="Verdana" size="2">      <br>  </font>  <multicol gutter="18" cols="2"></multicol>     <p align="left"><font color="#1f1a17" face="Verdana" size="2">Introducci&oacute;n </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> La experiencia en el cierre de la CIA tipo ostium secundum mediante el uso de dispositivos implantados por v&iacute;a percut&aacute;nea est&aacute; bien establecida </font><font color="#1f1a17" face="Times New Roman" size="2"> <font color="#1f1a17" face="Verdana"><sup>(<a name="1-3.."></a><a href="#1">1</a>-<a href="#3">3</a><a name="4.."></a>,<a href="#4">4</a>)</sup></font><font color="#1f1a17" face="Verdana" size="2"> con resultados comparables a la cirug&iacute;a </font><font color="#1f1a17" face="Verdana"><sup>(<a name="5-7.."></a><a href="#5">5</a>-<a href="#7">7</a>)</sup></font><font color="#1f1a17" face="Verdana" size="2">. El dispositivo m&aacute;s ampliamente usado en la actualidad es el Amplatzer ASD por ser un sistema seguro y eficaz en manos expertas; se ha demostrado una mortalidad nula y una morbilidad menor en comparaci&oacute;n con el tratamiento quir&uacute;rgico </font><font color="#1f1a17" face="Verdana"><sup><a name="8-10.."></a>(<a href="#8">8</a>-<a href="#10">10</a>)</sup></font><font color="#1f1a17" face="Verdana" size="2">. Un reto especial del cierre percut&aacute;neo de los defectos interauriculares constituyen los grandes defectos, los orificios m&uacute;ltiples y los aneurismas </font> <font color="#1f1a17" face="Verdana"><sup>(<a name="11.."></a><a href="#11">11</a><a href="#12">,</a><a name="12.."></a><a href="#12">12</a>)</sup></font><font color="#1f1a17" face="Verdana" size="2">. El aneurisma del septo interauricular en la CIA tipo ostium secundum o foramen oval permeable tiene un elevado riesgo de embolia paradojal y recurrencia en el stroke neurol&oacute;gico (4,4% anual) </font> <font color="#1f1a17" face="Verdana"><sup>(<a name="13.."></a><a href="#13">13</a>)</sup></font><font color="#1f1a17" face="Verdana" size="2">. Las anomal&iacute;as asociadas que requieren sanci&oacute;n quir&uacute;rgica y la hipertensi&oacute;n arterial pulmonar con resistencias pulmonares elevadas contraindican el procedimiento </font> <font color="#1f1a17" face="Verdana"><sup>(<a name="14.."></a><a href="#14">14</a><a name="15.."></a>,<a href="#15">15</a>)</sup></font><font color="#1f1a17" face="Verdana" size="2">.</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Objetivo </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Presentar un caso cl&iacute;nico de cierre percut&aacute;neo de una comunicaci&oacute;n interauricular amplia tipo ostium secundum con aneurisma del septum. </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Caso cl&iacute;nico </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Paciente de 14 a&ntilde;os, sexo femenino, raza blanca, procedente de Florida. Buen crecimiento y desarrollo. Sin antecedentes personales patol&oacute;gicos a destacar. Consulta por dolor tor&aacute;cico. Al examen f&iacute;sico se destaca a nivel cardiovascular un ritmo regular, desdoblamiento fijo del segundo ruido en el borde esternal superior izquierdo, soplo sist&oacute;lico grado 2/6 sin irradiaci&oacute;n en igual topograf&iacute;a. Resto del examen f&iacute;sico sin particularidades. El ECG mostr&oacute; un ritmo sinusal con bloqueo incompleto de rama derecha del haz de His. En la radiograf&iacute;a de t&oacute;rax se observ&oacute; cardiomegalia a expensas de cavidades derechas con hiperflujo pulmonar. El ecocardiograma Doppler color mostr&oacute; una CIA tipo ostium secundum de 8 mm con aneurisma del septum interauricular amplio, dilataci&oacute;n de aur&iacute;cula y ventr&iacute;culo derechos (27 mm, normal: 8 a 17 mm). La distancia de los bordes de la CIA a vena pulmonar superior derecha, seno coronario, vena cava inferior y v&aacute;lvula mitral fueron mayores a 7 mm. Prolapso de v&aacute;lvula mitral leve con m&iacute;nima insuficiencia. </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Se efectu&oacute; cateterismo de coordinaci&oacute;n bajo anestesia general, con monitorizaci&oacute;n de ECG basal, presi&oacute;n arterial sist&eacute;mica por m&eacute;todo no invasivo y saturaci&oacute;n arterial por ox&iacute;metro de pulso. Se coloc&oacute; sonda para ecograf&iacute;a transesof&aacute;gica (ETE) evaluando los hallazgos del ecocardiograma transtor&aacute;cico (ETT): CIA tipo ostium secundum con aneurisma del septum interauricular, tama&ntilde;o y consistencia de los bordes del defecto, confirmando que son adecuados para el cierre con dispositivo y se descartaron malformaciones asociadas (<a href="#figura_1">figuras 1</a>, <a href="#figura_1">2</a> y <a href="#figura_1">3</a>). Mediante acceso por vena femoral derecha se obtienen los registros hemodin&aacute;micos basales, medida de la presi&oacute;n arterial pulmonar, c&aacute;lculo de la magnitud del cortocircuito mediante el m&eacute;todo de Fick calculando la relaci&oacute;n flujo pulmonar/flujo sist&eacute;mico (QP/QS) y c&aacute;lculo de las resistencias pulmonares. Se realizan angiograf&iacute;as en la arteria pulmonar y en la vena pulmonar superior derecha para valorar la topograf&iacute;a y el tama&ntilde;o del defecto (<a href="#figura_4">figura 4</a>). </font></p>      <p align="left"><font face="Verdana"><a name="figura_1"><font size="2"></font></a> <font size="2"><img style="width: 296px; height: 194px;" alt="" src="/img/revistas/adp/v79n4/4a06f1.GIF">    ]]></body>
<body><![CDATA[<br>      <br>  </font></font></p>      <p align="left"><font face="Verdana" size="2"><a name="figura_4"></a><img style="width: 300px; height: 279px;" alt="" src="/img/revistas/adp/v79n4/4a06f4.gif"> </font> </p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2">A continuaci&oacute;n se coloca bal&oacute;n medidor a trav&eacute;s de la CIA procediendo a realizar su insuflaci&oacute;n controlado por ETE <a href="#figura_5">(figura 5</a>), momento en el cual se hace la medida del defecto estirado que fue de 16 mm (<a href="#figura_6">figura 6</a>). </font></p>      <p align="left"><font face="Verdana"><a name="figura_5"><font size="2"></font></a> <font size="2"><img style="width: 400px; height: 280px;" alt="" src="/img/revistas/adp/v79n4/4a06f5.gif">    <br>      <br>  </font></font></p>      <p align="left"><font face="Verdana" size="2"><a name="figura_6"></a><img style="width: 300px; height: 277px;" alt="" src="/img/revistas/adp/v79n4/4a06f6.gif"> </font> </p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2">Una vez determinada la indicaci&oacute;n del cierre con dispositivo se procede a elegir el tipo y tama&ntilde;o del mismo. En este caso se utiliz&oacute; un dispositivo Amplatzer ASD por ser el que cumple con las mejores cualidades seg&uacute;n la literatura internacional </font><font color="#1f1a17" face="Times New Roman" size="2">  <font color="#1f1a17" face="Verdana"><sup>(<a href="#9">9</a>)</sup></font><font color="#1f1a17" face="Verdana" size="2"> y es el autorizado en nuestro medio. El oclusor septal Amplatzer ASD es un dispositivo de doble disco que se autoexpande y est&aacute; hecho de malla de nitinol (aleaci&oacute;n de n&iacute;quel y titanio) rellena de tela de poli&eacute;ster. Los dos discos est&aacute;n unidos entre s&iacute; por una pieza central corta de conexi&oacute;n. En la<a href="/img/revistas/adp/v79n4/4a06f7.gif"> </a><a href="#figura_7">figura 7</a> se muestra un esquema del dispositivo.</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p align="left"><font face="Verdana" size="2"><a name="figura_7"></a><img style="width: 200px; height: 214px;" alt="" src="/img/revistas/adp/v79n4/4a06f7.gif">    ]]></body>
<body><![CDATA[<br>  </p>  </font>  <font color="#1f1a17" face="Verdana" size="2">El tama&ntilde;o elegido fue de 16 mm en base al di&aacute;metro del defecto; tambi&eacute;n se considera el tama&ntilde;o del disco atrial izquierdo en relaci&oacute;n a la medida del di&aacute;mentro del septum. Para un dispositivo de 16 mm el disco auricular izquierdo es 14 mm mayor, totalizando 30 mm para un di&aacute;metro septal interauricular de 31 mm en este caso. </font>     <p align="left"><font color="#1f1a17" face="Verdana" size="2">Se implanta a trav&eacute;s de una vaina de Mullins posicionada en aur&iacute;cula izquierda teniendo sumo cuidado en evitar la introducci&oacute;n de burbujas de aire hacia la circulaci&oacute;n sist&eacute;mica, el dispositivo es desplegado a nivel del defecto septal y aun sujeto al cable de liberaci&oacute;n se comprueba la correcta posici&oacute;n del mismo y la ausencia de compromiso de estructuras vecinas por ETE. Luego se lo libera con control radiosc&oacute;pico y por ETE, comprobando la presencia de la membrana del aneurisma dentro de los discos del dispositivo y la existencia de un insignificante shunt residual a trav&eacute;s del mismo (normal en las primeras horas luego de la colocaci&oacute;n) (<a href="#figura_8">figura 8</a>). </font></p>      <p align="left"><font face="Verdana" size="2"><a name="figura_8"></a><img style="width: 300px; height: 283px;" alt="" src="/img/revistas/adp/v79n4/4a06f8.gif">    <br>  </font>  </p>  <multicol gutter="18" cols="2"></multicol>     <p align="left"><font color="#1f1a17" face="Verdana" size="2">La paciente permaneci&oacute; internada por 18 horas, se efectu&oacute; antiagregaci&oacute;n plaquetaria con AAS 100 mg/d&iacute;a por v&iacute;a oral que se mantendr&aacute; por 6 meses, siendo dada de alta en buenas condiciones hemodin&aacute;micas con radiograf&iacute;a de t&oacute;rax que mostr&oacute; el dispositivo bien posicionado y el ETT revel&oacute; la ausencia total del shunt residual. Se indic&oacute; restricci&oacute;n de la actividad f&iacute;sica por un mes. </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Discusi&oacute;n </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> El tratamiento cl&aacute;sico de la CIA tipo ostium secundum ha sido el cierre quir&uacute;rgico bajo circulaci&oacute;n extracorp&oacute;rea. Con el objetivo de establecer un tratamiento menos agresivo, con menor mortalidad, menor costo y menor tiempo de internaci&oacute;n, se han desarrollado diferentes dispositivos para el cierre percut&aacute;neo. El dispositivo m&aacute;s usado es el Amplatzer ASD por sus condiciones de flexibilidad, elasticidad, memoria (posibilidad de reintroducirlo dentro de la vaina cuando el despliegue es inadecuado y reposicionarlo nuevamente), y disponibilidad de una amplia variedad de tama&ntilde;os </font><font color="#1f1a17" face="Times New Roman" size="2"> <font color="#1f1a17" face="Verdana"><sup>(<a name="16.."></a><a href="#16">16</a>)</sup></font><font color="#1f1a17" face="Verdana" size="2">.</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> El uso de la ETE juega un importante rol, permitiendo cuantificar el tama&ntilde;o del defecto, la valoraci&oacute;n de los bordes, la relaci&oacute;n con estructuras vecinas (vena pulmonar superior derecha, v&aacute;lvula mitral, seno coronario, aorta) medida con bal&oacute;n, despliegue del dispositivo y su liberaci&oacute;n </font><font color="#1f1a17" face="Times New Roman" size="2"> <font color="#1f1a17" face="Verdana"><sup>(<a name="17.."></a><a href="#17">17</a>)</sup></font><font color="#1f1a17" face="Verdana" size="2">.</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> El caso cl&iacute;nico presentado tiene indicaci&oacute;n para el cierre de la CIA por el importante cortocircuito de izquierda a derecha con dilataci&oacute;n de cavidades derechas y relaci&oacute;n QP/QS mayor a 1,5:1 y por tratarse de una CIA de tipo ostium secundum con bordes apropiados. En las tablas <a href="#tabla_1">1</a> y <a href="#tabla_2">2</a> se exponen las indicaciones y contraindicaciones de cierre de la CIA con dispositivo </font><font color="#1f1a17" face="Times New Roman" size="2"> <font color="#1f1a17" face="Verdana"><sup>(<a href="#1">1</a>,<a href="#14">14</a>,<a href="#15">15</a>,<a name="18-20.."></a><a href="#18">18</a>-<a href="#20">20</a>)</sup></font><font color="#1f1a17" face="Verdana" size="2">.</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>  <font face="Verdana" size="2">  <a name="tabla_1"></a><img style="width: 275px; height: 184px;" alt="" src="/img/revistas/adp/v79n4/4a06t1.JPG">    <br>  </font>      ]]></body>
<body><![CDATA[<p align="left"><font color="#1f1a17" face="Verdana" size="2">&nbsp; </font></p>  <font face="Verdana" size="2">  <a name="tabla_2"></a><img style="width: 295px; height: 212px;" alt="" src="/img/revistas/adp/v79n4/4a06t2.JPG">    <br>  </font>      <p align="left"><font color="#000000" face="Verdana" size="2"><a href="/img/revistas/adp/v79n4/4a06t3.JPG"></a>&nbsp;</font><font color="#1f1a17" face="Verdana" size="2"> </font></p>  <font face="Verdana" size="2">  <a name="tabla_3"></a><img style="width: 289px; height: 181px;" alt="" src="/img/revistas/adp/v79n4/4a06t3.JPG">    <br>  </font>      <p>&nbsp;</p>      <p><font color="#1f1a17" face="Verdana" size="2">Al efectuar el cierre de una CIA con aneurisma del septum se deben tener m&aacute;s precauciones, por la eventualidad de desgarros del septum aneurism&aacute;tico con embolizaci&oacute;n, ya sea en las maniobras de cateterismo o durante el insuflado del bal&oacute;n medidor (por lo que esta maniobra debe ser realizada con sumo cuidado y con baja presi&oacute;n); tambi&eacute;n riesgo de migraci&oacute;n del dispositivo sea en forma inmediata o alejada por una inadecuada fijaci&oacute;n. </font></p>  <multicol gutter="18" cols="2"></multicol>     <p align="left"><font color="#1f1a17" face="Verdana" size="2">La t&eacute;cnica de cierre con dispositivo implantado por v&iacute;a percut&aacute;nea se destaca por su menor costo, menor tiempo de internaci&oacute;n, menor agresi&oacute;n psicof&iacute;sica y por presentar una menor morbilidad que el cierre por cirug&iacute;a, a tener en cuenta en el momento de la toma de decisiones. En la <a href="#tabla_3">tabla 3</a> se exponen las posibles complicaciones del cierre de CIA con dispositivo. </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Conclusiones </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Se present&oacute; el caso cl&iacute;nico de una adolescente de 14 a&ntilde;os portadora de una CIA de tipo ostium secundum con aneurisma del septum interauricular, con presi&oacute;n arterial pulmonar normal, dilataci&oacute;n y sobrecarga de volumen de cavidades derechas con indicaci&oacute;n de oclusi&oacute;n del defecto con dispositivo implantado por v&iacute;a percut&aacute;nea. Se utiliz&oacute; un dispositivo oclusor Amplatzer ASD de 16 mm, procedimiento fue eficaz, sin complicaciones y sin shunt residual. El cierre percut&aacute;neo con dispositivo de los defectos del septum auricular constituye una herramienta segura y eficaz, aun en presencia de aneurisma del septum, orificios m&uacute;ltiples o los grandes defectos, constituyendo &eacute;stos un reto especial para el cierre percut&aacute;neo. </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Referencias bibliogr&aacute;ficas </font></p>      ]]></body>
<body><![CDATA[<!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="1"></a> <a href="#1-3..">1</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Rigby M. </b>The era of transcatheter closure of atrial septal defects. Heart 1999; 81: 227-8.     </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="2..."></a> <a href="#1-3..">2</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>King TD, Mills NL.</b> Secundum atrial septal defects: non operative closure during cardiac catheterization. J Am Med Ass 1976; 235: 2506-9.     </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="3"></a> <a href="#1-3..">3</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Lock JE, Rome JJ, Davis R, Van Praagh S, Perry SB, Van Praagh R, et al.</b> Transcatheter closure of atrial septal defects: experimental studies. Circulation 1989; 79: 1091-9.     </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="4"></a> <a href="#4..">4</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Chiesa P, Gi&uacute;dice J, Morales J, Gambetta JC, Peluffo C, Duhag&oacute;n P. </b>Diez a&ntilde;os de experiencia en el cierre percut&aacute;neo de la comunicaci&oacute;n interauricular y del ductus arterioso persistente. Rev. Urug Cardiol 2008; 23 (1): 84-9.     </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="5"></a> <a href="#5-7..">5</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Durongpisitkul K, Soongswang J, Laohaprasitiporn D, Nana A, Sriyoschati S, Ponvilawan S, et al.</b> </font> <font color="#000025" face="Verdana" size="2">Comparison of Atrial Septal Defect Closure Using Amplatzer Septal Occluder with Surgery. Pediatr Cardiol 2002; 23: 36-40.    </font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      ]]></body>
<body><![CDATA[<!-- ref --><p align="left"> <font color="#000025" face="Verdana" size="2"><a name="6..."></a><a href="#5-7..">6</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Kim JJ, Hijazi ZM.</b> Clinical outcumes and costs of Amplatzer transcatheter closure as compared with surgical closure of ostium secundum atrial septal defects. Med Sci Monit 2002; 8(12): 787-91.    </font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <!-- ref --><p align="left"> <font color="#000025" face="Verdana" size="2"><a name="7"></a><a href="#5-7..">7</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Berger F, Vogel M, Alexi-Meskishivili V, Lange PE. </b>Comparision of results and Complication of surgical and Amplatzer device closure of atrial septal defects. J Thorac Cardiovasc Surg. 1999; 118(4): 674-80.    </font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <!-- ref --><p align="left"> <font color="#000025" face="Verdana" size="2"><a name="8"></a><a href="#8-10..">8</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Du ZD, Hijazi Z, Kleinman C, Silverman N, Larnz K. </b>For de Amplatzer investigators. Comparison between transcatheter and surgical closure of secundum atrial defect in children and adults. J Am Coll Cardiol 2002; 39; 1836-44.    </font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <!-- ref --><p align="left"> <font color="#000025" face="Verdana" size="2"><a name="9"></a><a href="#8-10..">9</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Masura J, Gavora P, Formanek A, Hijaz ZM. </b>Transcatheter closure of secundum atrial septal defects using the new self-centering Amplatzer septal ocluder: initial human experience. Cathet Cardiovasc Diagn 1997; 42: 388-93.    </font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <!-- ref --><p align="left"> <font color="#000025" face="Verdana" size="2"><a name="10"></a><a href="#8-10..">10</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Cham KC, Godman MJ, Walsh K, Wilson N, Redington A, Gibbs JL.</b> Transcatheter closure of atrial septal defect and interatrial communications with a new self expanding nitinol double disc device. (Amplatzer septal ocluder): multicentre UK experience. Heart 1999; 82: 300-6.    </font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      ]]></body>
<body><![CDATA[<!-- ref --><p align="left"> <font color="#000025" face="Verdana" size="2"><a name="11"></a><a href="#11..">11</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Suarez de Lezo J, Medina A, Pan M, Romero M, Segura J, Pavlovik D, et al. </b>Transcatheter occlusion of complex atrial septal defect. Cathet Cardiovasc Intervent 2000; 51: 33-41.    </font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <!-- ref --><p align="left"> <font color="#000025" face="Verdana" size="2"><a name="12"></a><a href="#12..">12</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Medina A, Suarez de Lezo J, Delgado A, Caballero E, Segura J, Romero M. </b>Combined percutaneus atrial septal defects occlusion and pulmonary baloon valvuloplasty in adult patients. Tex Heart Inst J 2000; 27: 216-7.    </font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <!-- ref --><p align="left"> <font color="#000025" face="Verdana" size="2"><a name="13"></a><a href="#13..">13</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Mas JL, Zuber M.</b> Recurrent cerebrovascular events in patients with patent foramen ovale, atrial septal aneurysm, or both and cryptogenic stroke or transient ischemic attack. French Study Group on Patent Foramen Ovale and Atrial Septal Aneurysm. Am Heart J 1995; 130 (5); 1083-8.    </font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="14"></a> <a href="#14..">14</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Rao PS. </b>Transcatheter closure of atrial septal defect: are we there yet? J Am Coll Cardiol 1998; 31: 1117-9.     </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="15"></a> <a href="#15..">15</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Agarwal SK, Ghosh PK, Mittal PK.</b> Failure of devices used for closure of atrial septal defects: Mechanisms and management. J Thorac Cardiovasc Surg 1996; 112: 21-6.     </font></p>      ]]></body>
<body><![CDATA[<!-- ref --><p align="left"> <font color="#000025" face="Verdana" size="2"><a name="16"></a><a href="#16..">16</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Fern&aacute;ndez A, del Cerro Marin MJ, Rubio D, Castro M, Granados F.</b> Percutaneus closure of atrial septal defect whith the Amplatzer device: initial result and mid-term folow-up. Rev Esp Cardiol 2001; 54: 1190-6.    </font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <!-- ref --><p align="left"> <font color="#000025" face="Verdana" size="2"><a name="17"></a><a href="#17..">17</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Figueroa MI, Blaguru D, McClure C, Kline CH, Radtke WAK, Shirali GS.</b> Experience with use of multiplane transesophageal echocardiography to guide closure of atrial septal defects using the Amplatzer device. Pediatr Cardiol 2002; 23: 430-6.    </font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="18"></a> <a href="#18-20..">18</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Ries MW, Kampmann C, Rupprecht HJ, Hintereder G, Hafner G, Meyer J.</b> Nickel release after implantation of the Amplatzer occluder. Am Heart J 2003; 145(4): 737-41.     </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="19..."></a> <a href="#18-20..">19</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Verma PK, Thingnam SK, Sharma A, Taneja JS, Varma JS, Grover A. </b>Delayed embolization of Amplatzer septal occluder device: an unknown entity- a case report. Angiology 2003; 54(1): 115-8.     </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Times New Roman" size="2"> <font color="#000025" face="Verdana" size="2"><a name="20"></a><a href="#18-20..">20</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Hessling G, Hyca S,</b></font><font color="#1f1a17" face="Verdana" size="2"><b> Hessling G, Hyca S, Brockmeier K, Ulmer HE.</b> Cardiac dysrhythmias in pediatric patients before and 1 year after transcatheter closure of atrial septal defects using the Amplatzer septal occluder. Pediatr Cardiol 2003; 24(3): 259-62.    </font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>  <font face="Verdana" size="2">      ]]></body>
<body><![CDATA[<br>  </font>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> <b>Correspondencia: </b>Dr. Juan Carlos Gambetta    <br>  Correo electr&oacute;nico:<a href="mailto:juancarlosgambetta@gmail.com%20">juancarlosgambetta@gmail.com </a></font></p>       ]]></body><back>
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