<?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>2306-4102</journal-id>
<journal-title><![CDATA[Acta ortopédica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta ortop. mex]]></abbrev-journal-title>
<issn>2306-4102</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Ortopedia y Traumatología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2306-41022017000200082</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Corporectomía por acceso único posterior con colocación de caja expandible y fijación transpedicular en fracturas toracolumbares]]></article-title>
<article-title xml:lang="en"><![CDATA[Posterior corpectomy, transpedicular fixation and expandable cage placement in thoracolumbar fractures]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[De la Cruz-Álvarez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Canales-Nájera]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hurtado-Padilla]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guevara-Villazón]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ledezma-Ledezma]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital de Traumatología y Ortopedia Lomas Verdes Servicio de Columna ]]></institution>
<addr-line><![CDATA[Naucalpan Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital de Traumatología y Ortopedia Lomas Verdes  ]]></institution>
<addr-line><![CDATA[Naucalpan Estado de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2017</year>
</pub-date>
<volume>31</volume>
<numero>2</numero>
<fpage>82</fpage>
<lpage>85</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022017000200082&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022017000200082&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022017000200082&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo:  Evaluar el resultado de la corporectomía por acceso único posterior con colocación de caja expandible y fijación transpedicular en pacientes con fracturas toracolumbares.  Material y métodos:  Estudio retrospectivo en el que se evaluaron ocho pacientes con fracturas por estallido entre Mayo de 2011 y Mayo de 2014, quienes fueron tratados de manera quirúrgica mediante corporectomía, colocación de caja expandible y fijación transpedicular con abordaje posterior. El estado neurológico fue valorado a través de la escala de ASIA prequirúrgico y postquirúrgico a un año de evolución y se midió la corrección angular de las deformidades.  Resultados:  El estudio comprendió cinco personas de sexo masculino y tres de sexo femenino, con un promedio de edad de 38 años (de 24 a 58 años). Todos los pacientes presentaron fracturas por estallido del cuerpo vertebral, uno de ellos con componente rotacional. A los ocho se les realizó solamente la corporectomía de un nivel vertebral. El tiempo quirúrgico promedio fue de 236 minutos (rango: 195-330 min). El sangrado quirúrgico en promedio fue de 1,731 ml.  Conclusión/Discusión:  Los pacientes que se sometieron a corporectomía por vía posterior mostraron resultados clínicos favorables, sin presentar lesiones neurológicas o lesiones asociadas al procedimiento, por lo que esta técnica puede ser una opción terapéutica al disminuir las complicaciones de una vía anterior o de un doble abordaje.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objective:  The objective is to evaluate the outcome of vertebral corpectomy and placement of an expandable cage in patients with thoracolumbar fractures, using a posterior-only approach.  Material and methods:  A retrospective, case series study in the period from May 2011 to May 2014, in which eight patients with thoracolumbar burst fractures were treated surgically with corpectomy of fractured spinal body, placement of expandable box and fixation with transpedicular system, via posterior-only approach. Neurologic examination was done pre- and postoperatively with the ASIA score in a one year span. The angular deformity correction was also measured.  Results:  The mean age was 38 years (24 to 58 years); five male and three female patients. All the patients had burst fracture, one of them with aggregate rotational component. Only one vertebral level was worked with corpectomy in all patients. Mean surgical time was 236 minutes (195-330 min). Mean surgical bleeding was 1,731 ml.  Conclusion/Discussion:  Patients who underwent posterior approach corpectomy showed favorable clinical results. None presented neurological damage or surgical-related injury. This technique can be a useful option to avoid complications related to anterior vertebral approach or double approach.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Corporectomía]]></kwd>
<kwd lng="es"><![CDATA[vía posterior]]></kwd>
<kwd lng="es"><![CDATA[fracturas vertebrales]]></kwd>
<kwd lng="es"><![CDATA[tratamiento]]></kwd>
<kwd lng="en"><![CDATA[Corpectomy]]></kwd>
<kwd lng="en"><![CDATA[posterior approach]]></kwd>
<kwd lng="en"><![CDATA[vertebral fracture]]></kwd>
<kwd lng="en"><![CDATA[treatment]]></kwd>
</kwd-group>
</article-meta>
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