<?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>S2306-41022020000100016</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Epidemiología, resultados clínicos y tasa de éxito en cirugía preservadora de cadera en la necrosis avascular de cabeza femoral]]></article-title>
<article-title xml:lang="en"><![CDATA[Epidemiology, clinical results and success rate in hip preservation surgery in avascular osteonecrosis of the femoral head]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinilla-Gracia]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Fernández]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Nogué]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Aznar]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bejarano-Lasunción]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martín-Hernández]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Miguel Servet  ]]></institution>
<addr-line><![CDATA[Zaragoza ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario Miguel Servet  ]]></institution>
<addr-line><![CDATA[Zaragoza ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Universitario Miguel Servet  ]]></institution>
<addr-line><![CDATA[Zaragoza ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Universitario Miguel Servet Servicio Cirugía Ortopédica y Traumatología ]]></institution>
<addr-line><![CDATA[Zaragoza ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2020</year>
</pub-date>
<volume>34</volume>
<numero>1</numero>
<fpage>16</fpage>
<lpage>21</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022020000100016&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022020000100016&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022020000100016&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  La necrosis avascular de cabeza femoral (NACF) es una patología frecuente que en sus inicios es asintomática y se manifiesta de forma insidiosa, por lo que a menudo el diagnóstico se realiza en estadios avanzados, donde la única solución eficaz es la artroplastía total de cadera (ATC). El diagnóstico en fases precoces permitirá utilizar opciones terapéuticas que eviten o retrasen la ATC. Nuestro objetivo es valorar los resultados demográficos, clínicos y la tasa de éxito en nuestro centro de pacientes con diagnóstico de NACF y que han sido subsidiarios de cirugía de preservación de cadera.  Material y métodos:  Estudio clínico unicéntrico, prospectivo, no controlado de pacientes con diagnóstico de NACF entre Enero de 2012 y Septiembre de 2017 con un estadio Steinberg &#8804; IIIA. La técnica quirúrgica utilizada es el forage descompresivo, asociado a relleno con aloinjerto y aspirado de médula ósea.  Resultados:  Se intervinieron 26 caderas con nuestra técnica quirúrgica. La tasa de éxito obtenida es de 61.54%, ya que 10 casos han precisado ATC durante el estudio (38.46%).  Conclusión:  El éxito terapéutico en la NACF está directamente relacionado con el grado de la enfermedad, por lo que es importante el diagnóstico precoz. El forage descompresivo con relleno de aloinjerto que asocia aspirado de médula ósea es una opción a tener en cuenta, ya que en estadios iniciales muestra una elevada tasa de éxito.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Avascular osteonecrosis of the femoral head (ONFH) is a frequent pathology with an insidious and asymptomatic presentation in early stages, so the diagnosis is often made in advanced stages, where the only effective solution is total hip arthroplasty (THA). Diagnosis in early stages will allow the use of therapeutic options that avoid or delay ATC. Our objective is to evaluate the demographic, clinical results and the success rate in our center of patients diagnosed with ONFH and who have been subsidiary of hip preservation surgery.  Material and methods:  Unicentric, prospective, uncontrolled clinical study of patients diagnosed with ONFH between January 2012 and September 2017 with a Steinberg &#8804; IIIA stage. The surgical technique used is decompressive forage, associated with bone allograft and bone marrow aspiration.  Results:  26 hips were operated on with our surgical technique. The success rate obtained is 61.54%, since 10 cases have required THA during the study (38.46%).  Conclusions:  The therapeutic success in ONFH is directly related to the degree of the disease, which is why early diagnosis is important. The decompressive forage with bone allograft that associates bone marrow aspiration is an option to be taken into account, since in early stages it shows a high success rate.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cabeza femoral]]></kwd>
<kwd lng="es"><![CDATA[osteonecrosis]]></kwd>
<kwd lng="es"><![CDATA[tratamiento]]></kwd>
<kwd lng="es"><![CDATA[resultados]]></kwd>
<kwd lng="en"><![CDATA[Femoral head]]></kwd>
<kwd lng="en"><![CDATA[osteonecrosis]]></kwd>
<kwd lng="en"><![CDATA[treatment]]></kwd>
<kwd lng="en"><![CDATA[results]]></kwd>
</kwd-group>
</article-meta>
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