<?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>S2306-41022018000100002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Comportamiento de pacientes con artrosis patelofemoral]]></article-title>
<article-title xml:lang="en"><![CDATA[Behavior of patients with patellofemoral osteoarthritis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-López]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto-Carrasco]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Lorenzo]]></surname>
<given-names><![CDATA[YC]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas Hospital Universitario Manuel Ascunce Domenech ]]></institution>
<addr-line><![CDATA[Camagüey ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Católica de la Santísima Concepción Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Concepción ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Ciencias Médicas Policlínico Universitario Tula Aguilera ]]></institution>
<addr-line><![CDATA[Camagüey ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2018</year>
</pub-date>
<volume>32</volume>
<numero>1</numero>
<fpage>2</fpage>
<lpage>6</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022018000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022018000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022018000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes:  La artrosis patelofemoral es detectada en un gran número de pacientes y es responsable de múltiples síntomas y signos entre los que predomina el dolor, su tratamiento es variado y va desde el conservador hasta el quirúrgico, en el que destaca la vía artroscópica.  Objetivo:  Mostrar el comportamiento de un grupo de pacientes con artrosis patelofemoral.  Material y métodos:  Se realizó un estudio observacional descriptivo en 96 pacientes con el diagnóstico clínico y radiográfico de artrosis patelofemoral desde Enero de 2015 hasta Abril de 2017. La muestra no probabilística e intencionada quedó constituida por 77 pacientes que reunieron los criterios de selección (inclusión y exclusión).  Resultados:  El promedio de edades fue de 52.2 años, predominó el sexo femenino, la rótula derecha y la causa que más se observó fue la primaria. El dolor durante el reposo es una de sus principales manifestaciones. Existe correlación entre la clasificación de Iwano T y Outerbridge RE. Por lo general, existen otros compartimentos afectados de la articulación, la presencia aislada es muy infrecuente y el tratamiento por vía artroscópica es de gran utilidad.  Conclusiones:  La artrosis patelofemoral es frecuente, genera síntomas y signos en un grupo grande de pacientes. La presencia de esta afección por lo regular está asociada a otras lesiones de la articulación y los enfermos pueden ser tratados por vía artroscópica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background:  Patellofemoral osteoarthritis affects a great number of patients complaining chiefly of knee pain, treatment vary from conservative to surgical, especially arthroscopy.  Objective:  The aim of this study was to show the behavior of a group of patients with patellofemoral osteoarthritis.  Material and methods:  A descriptive and transversal study with a level of evidence IV and recommendation grade C in the provincial teaching hospital Manuel Ascunce Domenech in Camaguey city from January 2015 to April 2017 was performed in 96 patients with the diagnosis of patellofemoral osteoarthritis, but 77 of them were selected as a non-probabilistic sample, based on selected criteria.  Results:  Mean age was 52.2 years. Female sex, right patella and primary etiology prevailed. Rest pain was the most common symptom. There is a strong correlation between Iwano T and Outerbridge RE classifications systems. In general, more than one compartment of the knee is affected in patellofemoral osteoarthritis, isolated presentation is rare and treatment by arthroscopy is of great help.  Conclusions:  Patellofemoral osteoarthritis is a common disease, patients usually complain of a great number of symptoms and signs. Patellofemoral osteoarthritis is usually associated to affection of other compartments and patients may be treated by arthroscopy.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Dolor]]></kwd>
<kwd lng="es"><![CDATA[anterior]]></kwd>
<kwd lng="es"><![CDATA[rodilla]]></kwd>
<kwd lng="es"><![CDATA[artrosis]]></kwd>
<kwd lng="es"><![CDATA[patelofemoral]]></kwd>
<kwd lng="en"><![CDATA[Pain]]></kwd>
<kwd lng="en"><![CDATA[anterior]]></kwd>
<kwd lng="en"><![CDATA[knee]]></kwd>
<kwd lng="en"><![CDATA[arthrosis]]></kwd>
<kwd lng="en"><![CDATA[patellofemoral]]></kwd>
</kwd-group>
</article-meta>
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