<?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>S2306-41022017000300134</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia de datos radiográficos de pinzamiento femoroacetabular en adultos mexicanos]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence of X-ray signs of femoroacetabular impingement in Mexican population]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Ramos]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ávalos-Calderón]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bahena-Peniche]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Xoco  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General Xoco Servicio de Ortopedia Módulo de Cirugía de Cadera y Pelvis]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,IMSS Hospital Regional Núm. 2/UMAA ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>31</volume>
<numero>3</numero>
<fpage>134</fpage>
<lpage>140</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022017000300134&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022017000300134&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022017000300134&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  El pinzamiento femoroacetabular (PFA) se considera actualmente la causa principal de osteoartritis idiopática o primaria de cadera. Nuestro objetivo fue determinar la prevalencia de datos radiográficos de PFA en la población adulta sin patología coxofemoral en un período de seis meses.  Material y métodos:  Estudio analítico, observacional, multicéntrico, ambispectivo y transversal realizado en archivos radiográficos digitales. Se midieron los ángulos de cobertura acetabular, cervicodiafisario, inclinación acetabular y ángulo de Tönnis; el tipo de coxa, índice triangular y deformidad en mango de pistola.  Resultados:  De 212 articulaciones coxofemorales, 49.1% (104/212) correspondieron a hombres y 50.9% (108/212) a mujeres, con edad promedio de 42.81 ± 17.9 años; 21 articulaciones (21/212, 9.9%) presentaron deformidad en mango de pistola más índice triangular positivo para cam. Para determinar el tipo pincer, correlacionamos sobrecobertura acetabular, horizontalización acetabular, ángulo de Tönnis negativo (&lt; 0o) y tipo de coxa profunda y/o protrusio, con una prevalencia de 5.66% de pincer (12/212).  Discusión:  Nuestra población es muy pequeña a pesar de involucrar varias instituciones; la prevalencia del PFA tipo cam predominó en hombres, del lado derecho. El tipo pincer predominó en mujeres, del lado izquierdo. Este estudio está limitado por la amplia variación radiológica de la rotación femoral. Por otro lado, se aportan algunos datos sobre la prevalencia de deformidades de la cadera, previamente no registrada.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background:  Femoroacetabular impingement (FAI) is a suggested diagnosis for pain in the hip in the absence of other apparent causes. It is thought to be a cause of progressive arthrosis of the hip. Our objective was to determine the prevalence of radiographic data of FAI in the adult population without hip pathology over a period of six months.  Material and methods:  Analytical, observational, multicentric, ambispective and transverse study based on digital X-rays analysis. Measurements of the lateral center-edge angle of Wiberg, acetabular inclination, Tönnis angle and the neck shaft angle of the proximal femur were made; a pistol grip deformity of the femoral head, the triangular index and the shape of the coxofemoral joint were also evaluated.  Results:  From a total of 212 hips evaluated, 104 were in males and 108 in females, with an average age of 42.81 years; 21 had a pistol grip deformity and a positive triangular index for cam type. The pincer type was found in 12 hips.  Discussion:  In this multicentric study, the FAI cam type predominated in men on the right side; the pincer type predominated in women on the left side; this is similar to what has been reported in other populations. This study is limited by the wide variation in the femoral rotation; as an advantage, it was randomly carried out and provides some data on the prevalence of deformities of the hip, not previously registered.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Pinzamiento]]></kwd>
<kwd lng="es"><![CDATA[cadera]]></kwd>
<kwd lng="es"><![CDATA[femoroacetabular]]></kwd>
<kwd lng="es"><![CDATA[radiografías]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="en"><![CDATA[Impingement]]></kwd>
<kwd lng="en"><![CDATA[hip]]></kwd>
<kwd lng="en"><![CDATA[femoroacetabular]]></kwd>
<kwd lng="en"><![CDATA[X ray]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></kwd>
</kwd-group>
</article-meta>
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