<?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>S2306-41022024000400226</article-id>
<article-id pub-id-type="doi">10.35366/116308</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Mediciones radiográficas de la orientación del componente acetabular con el método de Widmer en la artroplastía total de cadera. Serie de casos descriptiva]]></article-title>
<article-title xml:lang="en"><![CDATA[Radiographic measurements of acetabular component orientation with Widmer&#8217;s method in total hip arthroplasty. Descriptive case series]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Macías-González]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Alavez]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras-Blancas]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guadalupe-Rojas]]></surname>
<given-names><![CDATA[LE]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Xoco Módulo de Cadera, Pelvis y Acetábulo ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</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>226</fpage>
<lpage>233</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022024000400226&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022024000400226&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022024000400226&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  la artroplastía total de cadera (ATC) es una de las cirugías más realizadas a nivel mundial, con altos porcentajes de satisfacción. La orientación del componente acetabular tiene impacto directo en el riesgo de luxación; recientemente, con el apoyo de la cirugía robótica, el margen de error en la colocación de los implantes ha disminuido; sin embargo, la técnica convencional, incluso sin apoyo fluoroscópico, continúa teniendo resultados satisfactorios dentro de la zona de seguridad.  Material y métodos:  serie de casos retrospectiva, transversal y descriptiva, de pacientes tratados con ATC en Hospital General Xoco entre 2022 y 2024. Se midieron los grados de anteversión e inclinación con el método de Widmer en las radiografías postoperatorias.  Resultados:  se estudiaron las radiografías de 113 pacientes, 80 mujeres y 33 hombres, con edad media de 63.2 ± 13.01 años (IC95%: 60.6-65.4), se obtuvo una inclinación media de 42.2o ± 8.1o (IC95%: 40.7-43.2) y anteversión de 14.3o ± 8.5o (IC95% 12.5-15.4); 76% de la población se encontraba dentro de la zona segura de Lewinnek; por etiología: osteoartrosis 74%, secuelas de displasia 68% y fractura intracapsular 82%; diferencia entre los valores del lado afectado: izquierdo 65%, derecho 83%, de 3.9o y 4.7o/6.4o y 9o en relación con los valores globales de la población.  Conclusión:  en nuestra población sometida a ATC, sin uso de técnica robótica o apoyo de estudios de imagen, se registraron cifras de anteversión e inclinación dentro de los parámetros de seguridad de Lewinnek con un método convencional.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  total hip arthroplasty (THA) is one of the most performed surgeries worldwide, with high satisfaction rates. The orientation of the acetabular component has a direct impact on the risk of dislocation, recently with the support of robotic surgery the margin of error in implant placement has decreased; however, the conventional technique even without fluoroscopic support continues to have satisfactory results within the safety zone.  Material and methods:  retrospective, cross-sectional, descriptive case series of patients treated with THA at Hospital General Xoco between 2022 and 2024. Degrees of anteversion and inclination were measured with Widmer&#8217;s method on postoperative radiographs.  Results:  the radiographs of 113 patients were studied, 80 female and 33 male, with a mean age of 63.2 ± 13.01 years (95% CI: 60.6-65.4), a mean inclination of 42.2o ± 8.1o (95% CI: 40.7-43.2) and anteversion of 14.3o ± 8.5o (95% CI: 12.5-15.4); 76% of the population was within Lewinnek safe zone; by etiology: osteoarthrosis 74%, sequelae of dysplasia 68% and intracapsular fracture 82%; difference between the values of the affected side: left 65%, right 83%, of 3.9o and 4.7o/6.4o and 9o in relation to the overall values of the population.  Conclusion:  in our population undergoing THA, without the use of robotic technique or support of imaging studies, anteversion and inclination Figures were recorded within the Lewinnek safety parameters with a conventional method.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[artroplastía]]></kwd>
<kwd lng="es"><![CDATA[cadera]]></kwd>
<kwd lng="es"><![CDATA[componente acetabular]]></kwd>
<kwd lng="en"><![CDATA[arthroplasty]]></kwd>
<kwd lng="en"><![CDATA[hip]]></kwd>
<kwd lng="en"><![CDATA[acetabular component]]></kwd>
</kwd-group>
</article-meta>
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