<?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>S2306-41022022000200079</article-id>
<article-id pub-id-type="doi">10.35366/108121</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[El bloqueo nervioso del plexo lumbar proporciona un mejor manejo analgésico que la infiltración periarticular en artroplastía total primaria de cadera. Ensayo clínico comparativo, prospectivo y simple ciego]]></article-title>
<article-title xml:lang="en"><![CDATA[Lumbar plexus nerve block provides better analgesic management than periarticular infiltration in primary total hip arthroplasty. Comparative, prospective, and single-blind clinical trial]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Iglesias]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gentile]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pioli]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mangupli]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Allende]]></surname>
<given-names><![CDATA[BL]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Allende de Cirugía Reconstructiva de los Miembros Sanatorio Allende Departamento de Reemplazo Articular y Trauma del Miembro Inferior]]></institution>
<addr-line><![CDATA[Córdoba ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>36</volume>
<numero>2</numero>
<fpage>79</fpage>
<lpage>84</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022022000200079&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022022000200079&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022022000200079&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  La artroplastía es una intervención altamente eficaz que mejora de manera significativa la calidad de vida del paciente, alivia los síntomas, restaura la función articular y mejora la movilidad e independencia. El control óptimo del dolor después de la artroplastía total de cadera se ha convertido en un objetivo importante del tratamiento postoperatorio. El propósito de este trabajo es comparar la infiltración periarticular (IPA) y el bloqueo nervioso del plexo lumbar (BNPL) para el manejo del dolor postoperatorio en la artroplastía total de cadera primaria, ya que creemos que la BNPL proporciona mejor manejo analgésico y menor consumo de opioides. Se evaluó el uso de opioides durante la hospitalización y las complicaciones derivadas de cada técnica.  Material y métodos:  Fueron aleatorizados 45 pacientes tratados con artroplastía total de cadera electiva entre Enero de 2019 y Enero de 2020 en dos grupos: IPA o BNPL. Ambos como parte de un régimen analgésico multimodal.  Resultados:  Veintidós en el grupo IPA y 23 en el grupo BNPL. El grupo de bloqueo requirió menos administración de opioides (p = 0.069). La mayoría de los pacientes de ambos grupos reportaron dolor leve/moderado. El grupo de BNPL tuvo menor escala de dolor al realizar fisioterapia. No tuvimos complicaciones derivadas de ninguna de las técnicas analgésicas.  Conclusión:  El BNPL en pacientes sometidos a artroplastía total de cadera proporciona mejor manejo del dolor y una reducción del consumo de opioides en el postoperatorio en comparación con la IPA. La realización de esta técnica no retrasa el inicio de la fisioterapia y no hubo problemas con la recuperación del paciente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Joint replacement is a highly effective intervention that significantly improves the patient&#8217;s quality of life, relieves symptoms, restores joint function, and improves mobility and independence. The optimal pain control after total hip replacement has become an important goal of postoperative management. The purpose of this paper is to compare periarticular infiltration (PAI) and lumbar plexus nerve block (LPNB) for the management of post-operative pain in primary total hip arthroplasty because we believe that LPNB provides better analgesic management and lower opioid consumption. We evaluated the opioid usage during hospitalization and the complications derived from either technique.  Material and methods:  We randomized 45 patients who underwent elective total hip arthroplasty between January 2019 and January 2020. Two groups were evaluated based on the association of PAI or LPNB. Both as part of a multimodal analgesic regimen.  Results:  A total of 45 patients were evaluated (22 PAI group, 23 LPNB group). Block group required less opioid administration (p = 0.069). Most of the patients in both groups reported mild/moderate pain. The LPNB group had lower pain scale with physiotherapy. We did not have complications derived from either technique.  Conclusion:  Lumbar plexus nerve block (LPNB) in patients undergoing total hip arthroplasty provides better pain management and reduced opioid consumption compared to PAI. The performance of this technique does not delay the beginning of physiotherapy and there were not any issues with the patient&#8217;s recovery.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[artroplastía]]></kwd>
<kwd lng="es"><![CDATA[dolor]]></kwd>
<kwd lng="es"><![CDATA[plexo lumbar]]></kwd>
<kwd lng="es"><![CDATA[infiltración periarticular]]></kwd>
<kwd lng="en"><![CDATA[arthroplasty]]></kwd>
<kwd lng="en"><![CDATA[pain]]></kwd>
<kwd lng="en"><![CDATA[lumbar plexus]]></kwd>
<kwd lng="en"><![CDATA[periarticular infiltration]]></kwd>
</kwd-group>
</article-meta>
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