<?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>S2306-41022024000400234</article-id>
<article-id pub-id-type="doi">10.35366/116309</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Reemplazo total de rodilla en pacientes menores de 60 años con demanda funcional elevada: resultados funcionales y retorno al deporte después de un promedio de dos años de seguimiento]]></article-title>
<article-title xml:lang="en"><![CDATA[Total knee replacement in patients under 60 years with high functional demand: functional outcomes and return to sports after an average 2-year follow-up]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garbini]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bochatey]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramirez-Sampedro]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tillet]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lopreite]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Británico de Buenos Aires  ]]></institution>
<addr-line><![CDATA[Ciudad Autónoma de Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<volume>38</volume>
<numero>4</numero>
<fpage>234</fpage>
<lpage>238</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022024000400234&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022024000400234&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022024000400234&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  una inquietud frecuente en consultas prequirúrgicas de reemplazo total de rodilla es el regreso al ejercicio. El propósito de este estudio fue analizar resultados funcionales y retorno al deporte en pacientes menores de 60 años posterior a esta cirugía.  Material y métodos:  analizamos retrospectivamente 41 reemplazos totales de rodilla en 36 pacientes deportistas (edad promedio: 53 años [46-60]). Seguimiento promedio de dos años (6 meses-5 años). Diagnósticos: 37 gonartrosis, tres secuelas de artritis reumatoidea, una deformidad extraarticular. Resultados funcionales y radiográficos evaluados mediante Knee Society modificado y High Activity Arthroplasty Score.  Resultados:  mejoría promedio de 31.95 a 91.61 en KSS y promedio de 7.95 a 13.73 en HAAS. Retorno al deporte en 3.5 meses promedio (rango: 2-6 meses). Tres pacientes no retornaron al deporte.  Conclusiones:  consideramos que el retraso de la cirugía en estos pacientes producirá progresión en su patología artrósica y cese de sus actividades deportivas. Esto dificulta la técnica quirúrgica además de disminuir el rendimiento físico del paciente. Analizando la tasa de supervivencia de implantes en pacientes jóvenes, se reporta más de 80% en seguimientos de 25 años.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  a common concern in presurgical medical appointment of total knee replacement medical appointment is return to exercise. The purpose of this study was to analyze functional results and return to sport in patients under 60 years of age after this surgery.  Material and methods:  we retrospectively analyzed 41 total knee replacements in 36 athletic patients (average age: 53 years [46-60]). Average follow-up of two years (6 months-5 years). Diagnoses: 37 osteoarthritis, three sequelae of Rheumatoid Arthritis, 1 extra-articular deformity. Functional and radiographic outcomes assessed using modified Knee Society and High Activity Arthroplasty Scores.  Results:  average improvement from 31.95 to 91.61 in KSS and average from 7.95 to 13.73 in HAAS. Return to sport in 3.5 months average (range 2-6 months). Three patients did not return to sport.  Conclusions:  we consider that delaying surgery in these patients will cause progression in their osteoarthritis pathology and cessation of their sports activities. This makes the surgical technique difficult in addition to reducing the patient&#8217;s physical performance. Analyzing the survival rate of implants in young patients, more than 80% is reported in a 25-year follow-up.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[reemplazo total de rodilla]]></kwd>
<kwd lng="es"><![CDATA[resultados funcionales]]></kwd>
<kwd lng="es"><![CDATA[deporte]]></kwd>
<kwd lng="es"><![CDATA[seguimiento]]></kwd>
<kwd lng="en"><![CDATA[total knee replacement]]></kwd>
<kwd lng="en"><![CDATA[functional results]]></kwd>
<kwd lng="en"><![CDATA[sport]]></kwd>
<kwd lng="en"><![CDATA[follow-up]]></kwd>
</kwd-group>
</article-meta>
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