<?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>S2306-41022016000200061</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores de riesgo y frecuencia de rerrupturas del ligamento cruzado anterior en adultos]]></article-title>
<article-title xml:lang="en"><![CDATA[Risk factors and frequency in re-ruptures of the anterior cruciate ligament in adults]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velázquez-Rueda]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Ávila]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Serna]]></surname>
<given-names><![CDATA[AG]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-García]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad La Salle Facultad Mexicana de Medicina Hospital Ángeles Mocel]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Ángeles Roma  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad La Salle Hospital Ángeles Pedregal Hospital Ángeles Mocel]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2016</year>
</pub-date>
<volume>30</volume>
<numero>2</numero>
<fpage>61</fpage>
<lpage>66</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022016000200061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022016000200061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022016000200061&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes:  El ligamento cruzado anterior (LCA) participa en la regulación de la cinemática articular de la rodilla, por lo que su ruptura debe repararse lo antes posible. El tratamiento quirúrgico está encaminado a la sustitución del LCA roto por un injerto que lo reemplazará tanto anatómica como biomecánicamente. Sin embargo, se pueden presentar diferentes condiciones que produzcan una rerruptura.  Objetivo: Determinar los factores de riesgo y la frecuencia de las rerrupturas del LCA.  Material y métodos:  Estudio retrospectivo; observamos por tres años los factores de riesgo y la frecuencia de rerruptura del LCA dentro de la población adulta. Se analizaron elementos como la edad, género, antecedentes de trauma, lesiones articulares previas, tipo de reconstrucción previa del LCA, período interquirúrgico, tiempo entre lesión y cirugías y comorbilidades asociadas.  Resultados:  Se obtuvieron 34 pacientes con rerruptura del LCA y 111 reparaciones primarias (145 individuos en total). De las rerrupturas, 31 fueron en hombres con 33 años de edad como promedio, de etiología traumática (85.2%) y con lesiones asociadas (41%).  Conclusiones: Encontramos una relación estadísticamente significativa para presentar rerrupturas del LCA: género masculino, mecanismo traumático asociado, presencia de lesiones condrales aisladas o de lesiones articulares en conjunto.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background:  The anterior cruciate ligament (ACL) takes part in the knee's articular cinematic regulation, which is why its rupture should be repaired as soon as possible. The surgical treatment is targeted to substitute the ruptured ACL with a graft that recreates the anatomical and biomechanical functions. Nevertheless, there are different factors that may produce a second rupture.  Objective: To determine the risk factors and frequency of failure in the ACL reconstruction.  Material and methods: Retrospective study evaluating the frequency and etiology of the failure in the ACL reconstruction in an adult population during a three-year period. Risk factors such as age, gender, trauma background, previous joint injuries, type of the graft previously used, lapse between surgeries, lapse between rupture and surgery and other comorbidities were analyzed.  Results:  We obtained 34 patients with ACL reconstruction failure and 111 with native ACL rupture (145 patients in total). In the ACL reconstruction failure group, 31 were males with an average age of 33 years, produced by a traumatic mechanism (85.2%) and with other associated injuries (41%).  Conclusions:  We found a significant statistical association for graft failure with male patients, traumatic mechanism, isolated cartilage lesions or combined articular injuries.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ligamento cruzado anterior]]></kwd>
<kwd lng="es"><![CDATA[lesión]]></kwd>
<kwd lng="es"><![CDATA[factores de riesgo]]></kwd>
<kwd lng="es"><![CDATA[género]]></kwd>
<kwd lng="en"><![CDATA[Anterior cruciate ligament]]></kwd>
<kwd lng="en"><![CDATA[injury]]></kwd>
<kwd lng="en"><![CDATA[risk factor]]></kwd>
<kwd lng="en"><![CDATA[gender]]></kwd>
</kwd-group>
</article-meta>
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