<?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>0864-215X</journal-id>
<journal-title><![CDATA[Revista Cubana de Ortopedia y Traumatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Ortop Traumatol]]></abbrev-journal-title>
<issn>0864-215X</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-215X2008000100007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Lesiones de la sindesmosis tibioperonea distal: Review article]]></article-title>
<article-title xml:lang="en"><![CDATA[Inuries of the distal tibiofibular syndesmosis: Article de révision]]></article-title>
<article-title xml:lang="fr"><![CDATA[Lésions de la syndesmose tibio-péronière distale]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez López]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Rodríguez]]></surname>
<given-names><![CDATA[Eugenio]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Lorenzo]]></surname>
<given-names><![CDATA[Yenima]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz Infante]]></surname>
<given-names><![CDATA[Arnaldo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Provincial Clínico Quirúrgico Docente Manuel Ascunce Domenech.  ]]></institution>
<addr-line><![CDATA[Camagüey ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2008</year>
</pub-date>
<volume>22</volume>
<numero>1</numero>
<fpage>0</fpage>
<lpage>0</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-215X2008000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-215X2008000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-215X2008000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se realizó una revisión bibliográfica sobre las lesiones traumáticas de la articulación tibioperonea distal. Se recuerda y actualiza sobre aspectos como: anatomía, mecanismo de producción y cuadro clínico. Reciben especial énfasis los estudios imagenológicos y se subraya el uso e interpretación de la radiografía simple. Para terminar esta revisión se exponen las variantes de tratamiento tanto para las lesiones ligamentosas aisladas o asociadas a fractura del tobillo y su manejo posoperatorio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[A bibliographic review on the traumatic injuries of the distal tibiofibular joint was made. Aspects such as anatomy, mechanism of production and clinical picture were reminded and updated. The imaging studies were specially emphasized and the use and interpretation of the simple X-ray was underlined. To conclude this review, the variants of the treatment for isolated ligamentous injuries or for those associated with the ankle fracture, as well as their postoperative management, were exposed.]]></p></abstract>
<abstract abstract-type="short" xml:lang="fr"><p><![CDATA[Une révision de la littérature est faite sur les lésions traumatiques de l'articulation tibio-péronière distale. Des aspects tels que l'anatomie, le mécanisme de production et le tableau clinique de ces lésions sont évoqués et mis à jour. On met l'accent sur les examens d'imagerie et l'usage et l'interprétation de la radiographie simple. Finalement, les différents traitements soit pour les lésions ligamenteuses isolées ou associées soit pour les fractures de la cheville et sa manipulation postopératoire sont exposés.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Articulación tibioperonea distal]]></kwd>
<kwd lng="es"><![CDATA[ligamento tibioperoneo antero-inferior]]></kwd>
<kwd lng="es"><![CDATA[ligamento tibioperoneo póstero-inferior]]></kwd>
<kwd lng="en"><![CDATA[Distal tibiofibular joint]]></kwd>
<kwd lng="en"><![CDATA[anteroinferior tibiofibular ligament]]></kwd>
<kwd lng="en"><![CDATA[posteroinferior tibiofibular ligament]]></kwd>
<kwd lng="fr"><![CDATA[Articulation tibio-péronière distale]]></kwd>
<kwd lng="fr"><![CDATA[ligament tibio-péronier antéro-inférieur]]></kwd>
<kwd lng="fr"><![CDATA[ligament tibio-péronier postéro-inférieur]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <div align="right">       <p><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> <b>TRABAJOS      DE REVISI&Oacute;N</b></font></p>       <p>&nbsp; </p> </div>     <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="4"><b>Lesiones de    la sindesmosis tibioperonea distal </b></font>     <P>&nbsp;     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="3"><b>Inuries of the    distal tibiofibular syndesmosis. Review article</b></font>     <P>&nbsp;     <P><b><font face="Verdana, Arial, Helvetica, sans-serif" size="3">L&eacute;sions    de la syndesmose tibio-p&eacute;roni&egrave;re distale. Article de r&eacute;vision</font></b>     ]]></body>
<body><![CDATA[<P>&nbsp;     <P>&nbsp;     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Alejandro &Aacute;lvarez    L&oacute;pez<SUP>I</SUP>; Eugenio Rodr&iacute;guez Rodr&iacute;guez<SUP>II</SUP>;    Yenima Garc&iacute;a Lorenzo<SUP>III</SUP>; Arnaldo Mu&ntilde;oz Infante<SUP>IV</SUP>    </b></font>     <P>      <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><SUP>&nbsp;&nbsp;I</SUP>    Especialista de II Grado en Ortopedia y Traumatolog&iacute;a. Instructor. Miembro    Asociado de la SICOT. Hospital Provincial Cl&iacute;nico Quir&uacute;rgico &nbsp;&nbsp;&nbsp;&nbsp;Docente    &quot;Manuel Ascunce Domenech&quot;. Camag&uuml;ey. Cuba.     <br>   </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><SUP>&nbsp;II    </SUP>Especialista de II Grado en Ortopedia y Traumatolog&iacute;a. Profesor    Consultante. Hospital Provincial Cl&iacute;nico Quir&uacute;rgico Docente    <br>   &nbsp;&nbsp;&nbsp; &quot;Manuel Ascunce Domenech&quot;. Camag&uuml;ey. Cuba.    <br>   </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><SUP>III</SUP>    Especialista en Medicina General e Integral. Instructor. Hospital Provincial    Cl&iacute;nico Quir&uacute;rgico Docente &quot;Manuel Ascunce Domenech&quot;.    ]]></body>
<body><![CDATA[<br>   &nbsp;&nbsp;&nbsp;&nbsp;Hospital Provincial Cl&iacute;nico Quir&uacute;rgico    Docente &quot;Manuel Ascunce Domenech&quot;. Camag&uuml;ey. Cuba.    <br>   </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><SUP>IV </SUP>Especialista    de I Grado en Ortopedia Y Traumatolog&iacute;a. Instructor. Hospital Provincial    Cl&iacute;nico Quir&uacute;rgico Docente     <br>   &nbsp;&nbsp;&nbsp; &quot;Manuel Ascunce Domenech&quot;. Camag&uuml;ey. Cuba.    </font>      <P>&nbsp;     <P>&nbsp; <hr size="1" noshade>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>RESUMEN </b></font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Se realiz&oacute;    una revisi&oacute;n bibliogr&aacute;fica sobre las lesiones traum&aacute;ticas    de la articulaci&oacute;n tibioperonea distal. Se recuerda y actualiza sobre    aspectos como: anatom&iacute;a, mecanismo de producci&oacute;n y cuadro cl&iacute;nico.    Reciben especial &eacute;nfasis los estudios imagenol&oacute;gicos y se subraya    el uso e interpretaci&oacute;n de la radiograf&iacute;a simple. Para terminar    esta revisi&oacute;n se exponen las variantes de tratamiento tanto para las    lesiones ligamentosas aisladas o asociadas a fractura del tobillo y su manejo    posoperatorio. </font>      <P>      <P><b><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Palabras clave</font></b><font face="Verdana, Arial, Helvetica, sans-serif" size="2">:    Articulaci&oacute;n tibioperonea distal, ligamento tibioperoneo antero-inferior,    ligamento tibioperoneo p&oacute;stero-inferior. </font> <hr size="1" noshade>     ]]></body>
<body><![CDATA[<P><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>ABSTRACT</b></font>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A bibliographic    review on the traumatic injuries of the distal tibiofibular joint was made.    Aspects such as anatomy, mechanism of production and clinical picture were reminded    and updated. The imaging studies were specially emphasized and the use and interpretation    of the simple X-ray was underlined. To conclude this review, the variants of    the treatment for isolated ligamentous injuries or for those associated with    the ankle fracture, as well as their postoperative management, were exposed.        <br>       <br>   <b>Key words</b>: Distal tibiofibular joint, anteroinferior tibiofibular ligament,    posteroinferior tibiofibular ligament. </font></p> <hr size="1" noshade>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>R&Eacute;SUM&Eacute;</b>    <br>       <br>   Une r&eacute;vision de la litt&eacute;rature est faite sur les l&eacute;sions    traumatiques de l'articulation tibio-p&eacute;roni&egrave;re distale. Des aspects    tels que l'anatomie, le m&eacute;canisme de production et le tableau clinique    de ces l&eacute;sions sont &eacute;voqu&eacute;s et mis &agrave; jour. On met    l'accent sur les examens d'imagerie et l'usage et l'interpr&eacute;tation de    la radiographie simple. Finalement, les diff&eacute;rents traitements soit pour    les l&eacute;sions ligamenteuses isol&eacute;es ou associ&eacute;es soit pour    les fractures de la cheville et sa manipulation postop&eacute;ratoire sont expos&eacute;s.    </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Mots cl&eacute;s</b>:    Articulation tibio-p&eacute;roni&egrave;re distale ; ligament tibio-p&eacute;ronier    ant&eacute;ro-inf&eacute;rieur ; ligament tibio-p&eacute;ronier post&eacute;ro-inf&eacute;rieur.    </font></p> <hr size="1" noshade>     <p>&nbsp;</p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<P>      <P>      <P>      <P>      <P>      <P>      <P>      <P>      <P>      <P>      ]]></body>
<body><![CDATA[<P>      <P>      <P><font size="3"><b><font face="Verdana, Arial, Helvetica, sans-serif"> INTRODUCCI&Oacute;N    </font></b></font>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Las lesiones de    la Articulaci&oacute;n Tibioperonea Distal (ATPD) representan aproximadamente    el 1% de las lesiones ligamentosas del tobillo. Su magnitud puede ser de diferentes    grados en dependencia de su mecanismo de producci&oacute;n y su asociaci&oacute;n    o no a fracturas. <SUP>1-3</SUP> </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Para el diagn&oacute;stico    de esta entidad es necesario un alto &iacute;ndice de sospecha, ya que en ocasiones    esta lesi&oacute;n pasa inadvertida y es confundida frecuentemente con el esguince    lateral del tobillo y se convierte entonces, en una causa de dolor cr&oacute;nico    de esta articulaci&oacute;n. <SUP>4-6</SUP> </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El examen imagenol&oacute;gico    basado en la radiograf&iacute;a simple es un importante pilar para el diagn&oacute;stico    de esta lesi&oacute;n. De ah&iacute; la importancia de conocer e interpretar    las radiograf&iacute;as simples de estos enfermos para evitar en la medida de    lo posible, errores diagn&oacute;sticos. <SUP>7,8</SUP> </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Para el tratamiento    de esta entidad es necesario conocer detalladamente, la anatom&iacute;a y el    mecanismo de producci&oacute;n de esta afecci&oacute;n con especial     <BR>   &eacute;nfasis en los elementos estabilizadores primarios y secundarios del    tobillo. Estos son los que determinar&aacute;n el uso o no de fijaci&oacute;n    a trav&eacute;s de la sindesmosis. Como todo proceder quir&uacute;rgico se hace    necesario tener en cuenta algunos detalles imprescindibles para el &eacute;xito.    <SUP>9,8</SUP> </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Debido a la importancia    del tema y las dificultades en su diagn&oacute;stico fue la motivaci&oacute;n    principal para realizar este trabajo en el cual se profundiza en sus aspectos    m&aacute;s importantes. </font>     ]]></body>
<body><![CDATA[<P>    <br>     <P>      <P>      <P>      <P> <b><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Anatom&iacute;a</font></b>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">La ATPD esta unida    por diferentes ligamentos como: el ligamento tibioperoneo antero-inferior (LTPAI),    el ligamento inter&oacute;seo, la membrana inter&oacute;sea, el ligamento tibioperoneo    postero-inferior (LTPPI) y el ligamento transverso inferior (<a href="/img/revistas/ort/v22n1/f010708.gif">fig.    1</a>). <SUP>11,12</SUP> </font>      
<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El LTPAI se origina    en la porci&oacute;n antero-lateral del tub&eacute;rculo de Chapul de la tibia    y se inserta en el tub&eacute;rculo de Wagstaffe del peron&eacute; en su porci&oacute;n    anterior. <SUP>13</SUP> </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El ligamento inter&oacute;seo    representa la porci&oacute;n m&aacute;s gruesa y distal de la membrana inter&oacute;sea    (fig. 1). <SUP>11,13</SUP> </font>      ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El    LTPPI se origina en el tub&eacute;rculo de Volkmann en la porci&oacute;n posterior    de la tibia y se inserta en la regi&oacute;n lateral del maleolo peroneo. <SUP>12,13</SUP>    </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Por otra parte,    el ligamento transverso inferior est&aacute; formado por la parte distal del    LTPAI. <SUP>13</SUP> </font>     <P>    <br>     <P>      <P>      <P><b><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Mecanismo de    producci&oacute;n</font></b><font face="Verdana, Arial, Helvetica, sans-serif" size="2">    </font>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">El mecanismo de    producci&oacute;n de esta entidad es el de rotaci&oacute;n externa del pie en    relaci&oacute;n con la tibia. Las lesiones pueden ser solo ligamentosas o asociadas    a fracturas del tobillo causadas por rotaci&oacute;n externa y pronaci&oacute;n    (Weber tipo C), supinaci&oacute;n y rotaci&oacute;n externa (Weber tipo B) y    fracturas proximales del peron&eacute; (Maisonneuve) (<a href="/img/revistas/ort/v22n1/f020708.gif">fig.    2</a>).<SUP>14-16</SUP> </font>      
<P>    ]]></body>
<body><![CDATA[<br>     <P>      <P>      <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Diagn&oacute;stico    positivo</b> </font>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Antecedentes</i>:<B>    </B>est&aacute;n determinados por la presencia del mecanismo de<B> </B>producci&oacute;n    anteriormente descrito. <SUP>4</SUP> </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Cuadro cl&iacute;nico</i>:<B>    </B>est&aacute; en dependencia de la intensidad del traumatismo<B> </B>y de    la presencia o no de fracturas.<SUP>13</SUP> </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> El paciente, en    caso de lesiones ligamentosas sin fractura, puede acudir con dolor e impotencia    funcional varias horas o d&iacute;as despu&eacute;s del traumatismo. <SUP>4,13</SUP>    </font>     ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">A la inspecci&oacute;n    se observa edema y equimosis en el tobillo que se extiende a la pierna. <SUP>13</SUP>    </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Durante la palpaci&oacute;n    se constata dolor exquisito sobre la sindesmosis afectada. Se debe explorar    la sindesmosis tibioperonea proximal para descartar lesiones de la misma. <SUP>4,13</SUP>    </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Para el diagn&oacute;stico    de esta entidad existen dos pruebas importantes: </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">1- Prueba de compresi&oacute;n:    descrita por <i>Hopkinson</i> y que consiste en la compresi&oacute;n del peron&eacute;    y la tibia en un punto por encima de la parte media de la pierna lo cual produce    la separaci&oacute;n del peron&eacute; y la tibia en su uni&oacute;n distal    lo cual causa dolor, si esta prueba es positiva. <SUP>17</SUP> </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">2- Prueba de rotaci&oacute;n    externa: consiste en estabilizar la pierna con la rodilla en 90&#186; y realizar    rotaci&oacute;n externa del pie, lo cual causa dolor a nivel de la sindesmosis    tibioperonea, si la prueba es positiva. <SUP>4,13</SUP> </font>     <P>    <br>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Imaginolog&iacute;a</b>    </font>      <P>      ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">La radiograf&iacute;a    simple es uno de los ex&aacute;menes m&aacute;s importantes. Se deben realizar    proyecciones en vistas antero-posterior, lateral, de mortaja tibioperonea y    de rotaci&oacute;n externa en estr&eacute;s. <SUP>18-21</SUP> </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Los par&aacute;metros    radiogr&aacute;ficos que indican da&ntilde;o de la mortaja tibioperonea son:    (Tablas <a href="/img/revistas/ort/v22n1/t010708.gif">1</a> y <a href="/img/revistas/ort/v22n1/t020708.gif">2</a>)    (figs. <a href="/img/revistas/ort/v22n1/f030708.gif">3</a> y <a href="/img/revistas/ort/v22n1/f040708.gif">4</a>).</font>      
<P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Las vistas radiogr&aacute;ficas    en estr&eacute;s son &uacute;tiles en caso de da&ntilde;o latente de la sindesmosis    y para establecer la indicaci&oacute;n quir&uacute;rgica. </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Autores como <i>Edwards</i>    y <i>DeLee</i> <SUP>22</SUP> usan estas radiograf&iacute;as tanto para los casos    evidentes como latentes. </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">La Tomograf&iacute;a    Axial Computarizada puede detectar desplazamientos m&iacute;nimos de 2 &oacute;    3 mm los cuales no pueden ser vistos en las radiograf&iacute;as simples. <SUP>19,23</SUP>    </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">La Resonancia Magn&eacute;tica    Nuclear y la Artroscop&iacute;a del tobillo tienen un alto porciento de diagn&oacute;stico    en esta entidad traum&aacute;tica. <SUP>24-26</SUP> </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Antes de adentrarnos    en el tratamiento de esta entidad existen algunos aspectos que se deben de considerar    como son: </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">A) Papel de la    Sindesmosis tibioperonea en la estabilidad: los estudios en cad&aacute;veres    han demostrado que la sindesmosis tibioperonea tiene un papel secundario en    la estabilidad del tobillo, sin embargo el ligamento deltoideo es considerado    el estabilizador principal. Seg&uacute;n <i>Boden</i><SUP>27</SUP> en un estudio    en dos grupos de pacientes, el primero sin secci&oacute;n del ligamento deltoideo,    este autor encontr&oacute; desplazamiento m&iacute;nimo de la sindesmosis a&uacute;n    con secci&oacute;n de la membrana inter&oacute;sea, por otra parte, el otro    grupo mostr&oacute; desplazamiento marcado de la sindesmosis. <SUP>28-30</SUP>    </font>      ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Seg&uacute;n <i>Michelson</i>    y <i>Walkman</i>, <SUP>31</SUP> las fracturas del peron&eacute; 4 cm proximal    a la plataforma de la tibia y una disyunci&oacute;n tibioperonea de hasta 6    cm no altera el movimiento del astr&aacute;galo en la ausencia de da&ntilde;o    del ligamento deltoideo; sin embargo, cuando la lesi&oacute;n de este ligamento    est&aacute; presente ocurre la luxaci&oacute;n del tobillo de 20&#186; a 30&#186;    en flexi&oacute;n plantar. </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Para detectar las    lesiones del ligamento deltoideo es necesario realizar un adecuado examen f&iacute;sico    en busca de edema y equimosis del lado medial del tobillo, adem&aacute;s de    realizar vistas radiogr&aacute;ficas de estr&eacute;s. <SUP>4,28 </SUP></font>     <P>    <br>     <P>      <P>      <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b>Tratamiento</b>    </font>      <P>      ]]></body>
<body><![CDATA[<P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> El objetivo del    tratamiento es restaurar y mantener la relaci&oacute;n normal de la mortaja    tibioperonea hasta su cicatrizaci&oacute;n. </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> El tratamiento    puede ser dividido en dos grupos: </font>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Da&ntilde;o    de la sindesmosis sin fractura</i>:<B> </B>para el tratamiento de esta variedad    es importante utilizar la clasificaci&oacute;n de <i>Edwards</i> y <i>DeLee</i>.    <SUP>22</SUP> </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">En el tipo 1, el    paciente es manejado de forma conservadora mediante reposo, aplicaci&oacute;n    de hielo, elevaci&oacute;n de la extremidad y supresi&oacute;n de la carga de    peso corporal por 2 &oacute; 3 semanas despu&eacute;s de lo cual se le permite    la misma, seg&uacute;n tolerancia al dolor, y se recomienda usar una bota de    marcha. <SUP>4,13</SUP> </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">En las lesiones    tipo 2 en la que ocurre diastasis tibioperonea evidente en la radiograf&iacute;a    inicial, el tratamiento es quir&uacute;rgico mediante la colocaci&oacute;n de    tornillos. <SUP>31</SUP> </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Cuando el cirujano    considera la inestabilidad de menor cuant&iacute;a, se prefiere colocar un tornillo    de 3.5 mm en 3 corticales. Por otra parte, en pacientes con inestabilidad muy    marcada, se prefieren utilizar tornillos de 4.5 mm a trav&eacute;s de 4 corticales.    <SUP>32-34</SUP> </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">En caso de las    lesiones tipo 3, lo recomendado es el tratamiento conservador mediante la utilizaci&oacute;n    de bota de marcha de 4 a 6 semanas. <SUP>35</SUP> </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><i>Da&ntilde;o    de la sindesmosis con fractura</i>:<B> </B>en este caso es necesario restaurar    la longitud del peron&eacute; para evitar la subluxaci&oacute;n del astr&aacute;galo.    Esto puede ser llevado a cabo colocando un tornillo a trav&eacute;s de la placa    utilizada para la fijaci&oacute;n de este. La restauraci&oacute;n de la longitud    del peron&eacute; puede ser realizada de forma directa mediante reducci&oacute;n    abierta y osteos&iacute;ntesis o de forma indirecta en fracturas localizadas    en el tercio medio o superior del peron&eacute;, para garantizar la longitud    y la rotaci&oacute;n del tobillo en el transoperatorio y as&iacute; lograr la    integridad de la l&iacute;nea de Shenton del tobillo. <SUP>36,37</SUP> </font>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">En caso de fracturas    del tercio superior y medio se colocan 2 tornillos y en dependencia del grado    de inestabilidad se fijaran 3 &oacute; 4 corticales. <SUP>33</SUP> </font>     ]]></body>
<body><![CDATA[<P>    <br>     <P>      <P>      <P><b><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Detalles quir&uacute;rgicos    </font></b>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Los tornillos deben    ser colocados paralelos a la articulaci&oacute;n del tobillo en el plano sagital,    ya que si no se realiza de esta forma puede causar acortamiento o alargamiento    del peron&eacute;. El tornillo debe ser colocado 2 cm por encima de la articulaci&oacute;n,    en el plano transverso. El tornillo se debe colocar de 25&#186; a 30&#186; en    direcci&oacute;n oblicua del posterolateral al anteromedial, ya que el peron&eacute;    est&aacute; localizado posterior a la tibia. Durante la inserci&oacute;n del    tornillo o tornillos se debe mantener la reducci&oacute;n de la mortaja mediante    un clan &oacute;seo para impedir la p&eacute;rdida de la misma. El orificio    debe estar centrado en el peron&eacute; para evitar la fractura de este hueso.    Se debe realizar flexi&oacute;n dorsal m&aacute;xima a la hora de colocar los    tornillos, ya que el astr&aacute;galo es m&aacute;s ancho en su porci&oacute;n    anterior que en la posterior. <SUP>38-40</SUP> </font>     <P>    <br>     <P>      ]]></body>
<body><![CDATA[<P><b><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Manejo posoperatorio    </font></b>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Es importante evitar    el apoyo del peso al menos hasta retirar los tornillos a las 12 semanas &#151;para    permitir la cicatrizaci&oacute;n de los ligamentos da&ntilde;ados y evitar la    ruptura del implante. <SUP>13</SUP> </font>     <P>    <br>     <P>      <P><b><font face="Verdana, Arial, Helvetica, sans-serif" size="3">CONCLUSIONES</font></b>     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Las lesiones de    la ATPD pueden pasar inadvertidas para lo cual es necesario un alto &iacute;ndice    de sospecha. La radiograf&iacute;a simple, en nuestra opini&oacute;n, es de    gran importancia para el diagn&oacute;stico de esta entidad. El tratamiento    debe ser oportuno y valorar en cada paso, el n&uacute;mero de corticales incluidos    en la fijaci&oacute;n, adem&aacute;s de tener en cuenta los detalles quir&uacute;rgicos    de este proceder. </font>     <P>    ]]></body>
<body><![CDATA[<br>     <P>      <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><b><font size="3">REFERENCIAS    BILIOGR&Aacute;FICAS </font></b></font>     <P>      <!-- ref --><P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">1. Jones MH, Amendola    A. Syndesmosis sprains of the ankle: a systematic review. Clin Orthop Relat    Res. 2007;455:173-5.    <br>       <!-- ref --><br>   2. Pe&ntilde;a FA, Coetzee JC. Ankle syndesmosis injuries. Foot Ankle Clin.    2006;11(1):35-50.    <br>       ]]></body>
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J Am Acad Orthop    Surg. 1997;5(3):172- 81.    <br>       <!-- ref --><br>   9. Van den Bekerom MP, Lamme B, Hogervorst M, Bolhuis HW. Which ankle fractures    require syndesmotic stabilization? J Foot Ankle Surg. 2007;46(6):456-63.    <br>       <!-- ref --><br>   10. Lin CF, Gross ML, Weinhold P. Ankle syndesmosis injuries: anatomy, biomechanics,    mechanism of injury, and clinical guidelines for diagnosis and intervention.    J Orthop Sports Phys Ther. 2006;36(6):372-84.    <br>       <!-- ref --><br>   11. Ebraheim NA, Taser F, Shafiq Q, Yeasting RA. Anatomical evaluation and clinical    importance of the tibiofibular syndesmosis ligaments. Surg Radiol Anat. 2006;28(2):142-9.    <br>       <!-- ref --><br>   12. Norkus SA, Floyd RT. The anatomy and mechanisms of syndesmotic ankle sprains.    J Athl Train. 2001; 36(1):68-73.    <br>       <!-- ref --><br>   13. Zalavras C, Thordarson D. Ankle Syndesmosis Injury. 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<body><![CDATA[<br>   33. Moore JA, Shank JR, Morgan SJ, Smith WR. Syndesmosis fixation: a comparison    of three and four cortices of screw fixation without hardware removal. Foot    Ankle Int. 2006;27(8):567-72.    <br>       <br>   34. Hansen M, Le L, Wertheimer S, Meyer E, Haut R. Syndesmosis fixation: analysis    of shear stress via axial load on 3,5 mm and 4,5 mm quadricortical syndesmotic    screws. J Foot Ankle Surg. 2006;45(2):65-9.    <br>       <br>   35. Hoiness P, Strmsoe K. Tricortical versus quadricortical syndesmosis fixation    in ankle fractures: a prospective randomized study comparing two methods of    syndesmosis fixation. J Orthop Trauma. 2004;18:331-7.    <br>       <br>   36. Kurketi S, Faraj A, Miles JN. Does position of syndesmosis screw affect    functional and radiological outcome in ankle fractures? Injury. 2005;83:489-92.    <br>       <br>   37. Weening B, Bhandari M. Predictors of functional outcome following trassyndesmotic    screw fixation of ankle fractures. J Orthop Trauma. 2005;19:102-8.    <br>       ]]></body>
<body><![CDATA[<br>   38. McConnell T, Creevy W, Tornetta P. Stress examination of supination external    rotation type fibular fractures. J Bone Joint Surg Am. 2004;86:2171-8.    <br>       <br>   39. Jenkinson RJ, Sanders DW, Mcleod MD, Domonkos A, Lydestadt J. Intraoperative    diagnosis of syndesmosis injuries in external rotation ankle fractures. J Orthop    Trauma. 2005;19(9):604-9.    <br>       <br>   40. McBride A, Chiasson B, Wilhelm A, Donovan F, Ray T, Bacilla P. Syndesmotic    screw placement: a biomechanical analysis. Foot Ankle Int. 1997;18:232-6. </font>     <p></p>     <P>&nbsp;     <P>      <P>      <P>      ]]></body>
<body><![CDATA[<P>      <P>      <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Recibido: 5 de    enero de 2008.     <br>   </font>     <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Aprobado: 3 de    marzo de 2008. </font>     <P>&nbsp;     <P>&nbsp;     <P>      <P><font face="Verdana, Arial, Helvetica, sans-serif" size="2">Dr. <i>Alejandro    &Aacute;lvarez L&oacute;pez</i>. Calle 2da. No 2. Esquina Lanceros. Reparto    La Norma. Camag&uuml;ey. Ciudad 1 Correo electr&oacute;nico<B>: </B><a href="mailto:yenima@finlay.cmw.sld.cu">yenima@finlay.cmw.sld.cu</a>,    </font><font face="Verdana, Arial, Helvetica, sans-serif" size="2"><a href="mailto:tinajon72@yahoo.com">tinajon72@yahoo.com</a>    </font>      ]]></body>
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