<?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>S2306-41022018000200088</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Utilización de los vástagos metafisarios «Próxima» DePuy: nuestra experiencia a más de cinco años]]></article-title>
<article-title xml:lang="en"><![CDATA[Use of metaphyseal stems «Proxima» DePuy: our experience to more than five years]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales de Cano]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vergara]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valero]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Clos]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario de Vic Servicio de Cirugía Ortopédica y Traumatología ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario de Vic Servicio de Cirugía Ortopédica y Traumatología ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<volume>32</volume>
<numero>2</numero>
<fpage>88</fpage>
<lpage>92</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022018000200088&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022018000200088&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022018000200088&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La artroplastía total de cadera con los vástagos cortos encaminada a preservar el hueso es una buena opción en pacientes jóvenes a quienes se les prevé futuras cirugías de revisión. También es una buena elección cuando se utilizan cirugías con abordajes miniinvasivos. En este estudio clínico y radiológico hemos evaluado nuestra experiencia en el uso de artroplastía total de cadera con vástagos cortos de anclaje metafisario tipo DePuy Próxima. En total se han intervenido 23 pacientes con una edad media de 50.2 años (rango de 45 a 69 años) en el momento de la cirugía. El seguimiento medio fue de más de cinco años. Hubo un ligero varo del tallo femoral en tres casos, uno de ellos en varo severo. Este último caso presentó dolor continuo en las caras laterales del muslo que aumentó con el tiempo junto con una reacción diafisaria y un aumento en el tallo que requirió cirugía de revisión a los 12 meses postoperatorios. Se requiere un seguimiento más prolongado para analizar los resultados y confirmar la durabilidad de los resultados clínicos observados. Los pacientes fueron evaluados radiológica y clínicamente utilizando el baremo de Merle d&#8217;Aubigné (MD).]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The total hip arthroplasty with short stems to preserve bone is a good choice in young patients that expected future revision surgery, it is also a good choice when we use approaches for minimal invasive surgeries. In this study, we have evaluated, clinically and radiologically, our experience in total hip arthroplasty with the use of short stems and metaphyseal anchorage. In total we have involved 23 patients with a mean age of 50.2 years (range 45 to 69 y/o) at the time of surgery. The median follow-up was greater than five years. There was a slight Varus femoral stem in three cases, one of them in severe varus. The latter presented continuous pain in the lateral aspect of the thigh that increased with time, with a diaphyseal reaction and an increase in radiolucencies around the stem that required revision surgery 12 months postoperative. A longer follow-up is required to analyze the results and confirm the durability of the observed clinical findings. Patients were evaluated radiological and clinically using the scale of Merle d&#8217;Aubigné (MD).]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Vástago corto]]></kwd>
<kwd lng="es"><![CDATA[vástago Próxima DePuy]]></kwd>
<kwd lng="es"><![CDATA[ahorro de hueso]]></kwd>
<kwd lng="es"><![CDATA[artroplastía de cadera]]></kwd>
<kwd lng="en"><![CDATA[Short stem]]></kwd>
<kwd lng="en"><![CDATA[saving of bone]]></kwd>
<kwd lng="en"><![CDATA[hip arthroplasty]]></kwd>
</kwd-group>
</article-meta>
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